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Faculties > Faculty of Engineering Science > Chair Electrochemical Process Engineering > Chair Electrochemical Process Engineering - Univ.-Prof. Dr. Christina Roth

University of Bayreuth (50748)
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  - Faculty of Engineering Science (6200)
    - Chair Electrochemical Process Engineering (253)
      - Chair Electrochemical Process Engineering - Univ.-Prof. Dr. Christina Roth (161)

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Number of items at this level: 161.

2022

Ferreira da Silva, Pollyana ; Ferreira Gomes Lobo, Bruna ; Silva Lobo, Carlos Manuel ; Carmo, Marcelo ; Roth, Christina ; Colnago, Luiz Alberto:
Composite Graphite–Epoxy Electrodes for In Situ Electrochemistry Coupling with High Resolution NMR.
In: ACS Omega. Vol. 7 (2022) Issue 6 . - pp. 4991-5000.
DOI: https://doi.org/10.1021/acsomega.1c05823

Hoffmann, Hendrik ; Paulisch, Melanie Cornelia ; Gebhard, Marcus ; Osiewacz, Jens ; Kutter, Maximilian ; Hilger, André ; Arlt, Tobias ; Kardjilov, Nikolay ; Ellendorff, Barbara ; Beckmann, Felix ; Markötter, Henning ; Luik, Marius ; Turek, Thomas ; Manke, Ingo ; Roth, Christina:
Development of a Modular Operando Cell for X-ray Imaging of Strongly Absorbing Silver-Based Gas Diffusion Electrodes.
In: Journal of the Electrochemical Society. Vol. 169 (2022) Issue 4 . - No. 044508.
DOI: https://doi.org/10.1149/1945-7111/ac6220

Benedikt, Peter ; Stoeckel, Daniela ; Scherer, Torsten ; Kübel, Christian ; Roth, Christina ; Melke, Julia:
Impact of catalyst support morphology on 3D electrode structure and polymer electrolyte membrane fuel cell performance.
In: Electrochemical Science Advances. (2022) . - No. e2100121.
DOI: https://doi.org/10.1002/elsa.202100121

Rautenberg, Max ; Gernhard, Marius ; Radnik, Jörg ; Witt, Julia ; Roth, Christina ; Emmerling, Franziska:
Mechanochemical Synthesis of Fluorine-Containing Co-Doped Zeolitic Imidazolate Frameworks for Producing Electrocatalysts.
In: Frontiers in Chemistry. Vol. 10 (2022) .
DOI: https://doi.org/10.3389/fchem.2022.840758

Mitre, Cirlei Igreja Nascimento ; Ferreira Gomes Lobo, Bruna ; Paris, Elaine ; Silva Lobo, Carlos Manuel ; Roth, Christina ; Colnago, Luiz Alberto:
Use of Time Domain Nuclear Magnetic Resonance Relaxometry to Monitor the Effect of Magnetic Field on the Copper Corrosion Rate in Real Time.
In: Magnetochemistry. Vol. 8 (2022) Issue 4 . - No. 40.
DOI: https://doi.org/10.3390/magnetochemistry8040040

2021

Tichter, Tim ; Andrae, Dirk ; Roth, Christina:
Analytical solutions for the diffusive mass transfer at cylindrical and hollow-cylindrical electrodes with reflective and transmissive boundary conditions.
In: Journal of Electroanalytical Chemistry. Vol. 897 (2021) . - No. 115565.
DOI: https://doi.org/10.1016/j.jelechem.2021.115565

Loukrakpam, Rameshwori ; Ferreira Gomes Lobo, Bruna ; Kottakkat, Tintula ; Roth, Christina:
A bird's eye perspective of the measurement of oxygen reduction reaction in gas diffusion electrode half-cell set-ups for Pt electrocatalysts in acidic media.
In: Journal of Physics: Materials. Vol. 4 (2021) Issue 4 . - No. 044004.
DOI: https://doi.org/10.1088/2515-7639/ac0319

Tichter, Tim ; Schneider, Jonathan ; Roth, Christina:
Convolutive modeling of cyclic voltammetry, AC-voltammetry, sine wave voltammetry and impedance spectroscopy with interfacial CPE behaviour and uncompensated ohmic resistances : A Unified Theory.
In: Electrochimica Acta. Vol. 393 (2021) . - No. 139006.
DOI: https://doi.org/10.1016/j.electacta.2021.139006

Böttcher, Tim ; Stojkovikj, Sasho ; Khadke, Prashant ; Kunz, Ulrike ; Mayer, Matthew T. ; Roth, Christina ; Ensinger, Wolfgang ; Muench, Falk:
Electrodeposition of palladium-dotted nickel nanowire networks as a robust self-supported methanol electrooxidation catalyst.
In: Journal of Materials Science. Vol. 56 (2021) . - pp. 12620-12633.
DOI: https://doi.org/10.1007/s10853-021-06088-6

Simon, Christopher ; Zander, Judith ; Kottakkat, Tintula ; Weiss, Morten ; Timm, Jana ; Roth, Christina ; Marschall, Roland:
Fast Microwave Synthesis of Phase-Pure Ni₂FeS₄ Thiospinel Nanosheets for Application in Electrochemical CO₂ Reduction.
In: ACS Applied Energy Materials. Vol. 4 (2021) Issue 9 . - pp. 8702-8708.
DOI: https://doi.org/10.1021/acsaem.1c01341

Maleki, Mahboubeh ; Tichter, Tim ; El-Nagar, Gumaa A. ; Lauermann, Iver ; Roth, Christina:
Hybrid Electrospun Nanofibers as Electrocatalyst for Vanadium Redox Flow Batteries : Theory and Experiment.
In: ChemElectroChem. Vol. 8 (2021) Issue 1 . - pp. 218-226.
DOI: https://doi.org/10.1002/celc.202001380

Schutjajew, Konstantin ; Tichter, Tim ; Schneider, Jonathan ; Antonietti, Markus ; Roth, Christina ; Oschatz, Martin:
Insights into the sodiation mechanism of hard carbon-like materials from electrochemical impedance spectroscopy.
In: Physical Chemistry Chemical Physics. Vol. 23 (2021) Issue 19 . - pp. 11488-11500.
DOI: https://doi.org/10.1039/D1CP00610J

Schnucklake, Maike ; Cheng, Ming ; Maleki, Mahboubeh ; Roth, Christina:
A mini-review on decorating, templating of commercial and electrospinning of new porous carbon electrodes for vanadium redox flow batteries.
In: Journal of Physics: Materials. Vol. 4 (2021) Issue 3 . - No. 032007.
DOI: https://doi.org/10.1088/2515-7639/abf1a9

Paulisch, Melanie Cornelia ; Gebhard, Marcus ; Franzen, David ; Hilger, André ; Osenberg, Markus ; Marathe, Shashidhara ; Rau, Christoph ; Ellendorff, Barbara ; Turek, Thomas ; Roth, Christina ; Manke, Ingo:
Operando Synchrotron Imaging of Electrolyte Distribution in Silver-Based Gas Diffusion Electrodes During Oxygen Reduction Reaction in Highly Alkaline Media.
In: ACS Applied Energy Materials. Vol. 4 (2021) Issue 8 . - pp. 7497-7503.
DOI: https://doi.org/10.1021/acsaem.1c01524

Müllner, Sebastian ; Held, Tilo ; Schmidt-Rodenkirchen, Achim ; Gerdes, Thorsten ; Roth, Christina:
Reactive Spray Drying as a One-Step Synthesis Approach towards Si/rGO Anode Materials for Lithium-Ion Batteries.
In: Journal of the Electrochemical Society. Vol. 168 (2021) Issue 12 . - No. 120545.
DOI: https://doi.org/10.1149/1945-7111/ac429d

Khadke, Prashant ; Tichter, Tim ; Boettcher, Tim ; Muench, Falk ; Ensinger, Wolfgang ; Roth, Christina:
A simple and effective method for the accurate extraction of kinetic parameters using differential Tafel plots.
In: Scientific Reports. Vol. 11 (2021) Issue 1 . - No. 8974.
DOI: https://doi.org/10.1038/s41598-021-87951-z

Rietsch, Philipp ; Zeyat, Mohammad ; Hübner, Oskar ; Hoffmann, Katrin ; Kutter, Maximilian ; Paskin, Alice ; Uhlig, Julian ; Lentz, Dieter ; Resch-Genger, Ute ; Eigler, Siegfried:
Substitution Pattern-Controlled Fluorescence Lifetimes of Fluoranthene Dyes.
In: The Journal of Physical Chemistry B. Vol. 125 (2021) Issue 4 . - pp. 1207-1213.
DOI: https://doi.org/10.1021/acs.jpcb.0c08851

Herrmann, Elke ; Dingenouts, Nico ; Roth, Christina ; Scheiba, Frieder ; Ehrenberg, Helmut:
Systematic Characterization of Degraded Anion Exchange Membranes Retrieved from Vanadium Redox Flow Battery Field Tests.
In: Membranes. Vol. 11 (2021) Issue 7 . - No. 469.
DOI: https://doi.org/10.3390/membranes11070469

2020

Benders, Stefan ; Gomes, Bruna Ferreira ; Carmo, Marcelo ; Colnago, Luiz Alberto ; Blümich, Bernhard:
In-situ MRI velocimetry of the magnetohydrodynamic effect in electrochemical cells.
In: Journal of Magnetic Resonance. Vol. 312 (March 2020) . - No. 106692.
DOI: https://doi.org/10.1016/j.jmr.2020.106692

Fink, Michael F. ; Eckhardt, Julia ; Khadke, Prashant ; Gerdes, Thorsten ; Roth, Christina:
Bifunctional α‐MnO₂ and Co₃O₄ Catalyst for Oxygen Electrocatalysis in Alkaline Solution.
In: ChemElectroChem. Vol. 7 (2020) Issue 23 . - pp. 4822-4836.
DOI: https://doi.org/10.15495/EPub_UBT_00005277

Schneider, Jonathan ; Tichter, Tim ; Khadke, Prashant ; Zeis, Roswitha ; Roth, Christina:
Deconvolution of electrochemical impedance data for the monitoring of electrode degradation in VRFB.
In: Electrochimica Acta. Vol. 336 (2020) . - No. 135510.
DOI: https://doi.org/10.1016/j.electacta.2019.135510

Maleki, Mahboubeh ; El-Nagar, Gumaa A. ; Bernsmeier, Denis ; Schneider, Jonathan ; Roth, Christina:
Fabrication of an efficient vanadium redox flow battery electrode using a free-standing carbon-loaded electrospun nanofibrous composite.
In: Scientific Reports. Vol. 10 (2020) Issue 1 . - No. 11153.
DOI: https://doi.org/10.1038/s41598-020-67906-6

Abouserie, Ahed ; El-Nagar, Gumaa A. ; Heyne, Benjamin ; Günter, Christina ; Schilde, Uwe ; Mayer, Matthew T. ; Stojkovikj, Sasho ; Roth, Christina ; Taubert, Andreas:
Facile Synthesis of Hierarchical CuS and CuCo₂S₄ Structures from an Ionic Liquid Precursor for Electrocatalysis Applications.
In: ACS Applied Materials & Interfaces. Vol. 12 (2020) Issue 47 . - pp. 52560-52570.
DOI: https://doi.org/10.1021/acsami.0c13927

Tichter, Tim ; Schneider, Jonathan ; Roth, Christina:
Finite Heterogeneous Rate Constants for the Electrochemical Oxidation of VO²⁺ at Glassy Carbon Electrodes.
In: Frontiers in Energy Research. Vol. 8 (2020) . - No. 155.
DOI: https://doi.org/10.3389/fenrg.2020.00155

Gebhard, Marcus ; Tichter, Tim ; Franzen, David ; Paulisch, Melanie C. ; Schutjajew, Konstantin ; Turek, Thomas ; Manke, Ingo ; Roth, Christina:
Improvement of Oxygen-Depolarized Cathodes in Highly Alkaline Media by Electrospinning of Poly(vinylidene fluoride) Barrier Layers.
In: ChemElectroChem. Vol. 7 (2020) Issue 3 . - pp. 830-837.
DOI: https://doi.org/10.1002/celc.201902115

Gebhard, Marcus ; Tichter, Tim ; Schneider, Jonathan ; Mayer, Jacob ; Hilger, André ; Osenberg, Markus ; Rahn, Mirko ; Manke, Ingo ; Roth, Christina:
On the stability of bismuth in modified carbon felt electrodes for vanadium redox flow batteries : An in-operando X-ray computed tomography study.
In: Journal of Power Sources. Vol. 478 (2020) . - No. 228695.
DOI: https://doi.org/10.1016/j.jpowsour.2020.228695

Schnucklake, Maike ; Kaßner, Lysann ; Mehring, Michael ; Roth, Christina:
Porous carbon–carbon composite electrodes for vanadium redox flow batteries synthesized by twin polymerization.
In: RSC Advances. Vol. 10 (2020) Issue 68 . - pp. 41926-41935.
DOI: https://doi.org/10.1039/d0ra07741k

Delikaya, Öznur ; Bevilacqua, Nico ; Eifert, László ; Kunz, Ulrike ; Zeis, Roswitha ; Roth, Christina:
Porous electrospun carbon nanofibers network as an integrated electrode@gas diffusion layer for high temperature polymer electrolyte membrane fuel cells.
In: Electrochimica Acta. Vol. 345 (2020) . - No. 136192.
DOI: https://doi.org/10.1016/j.electacta.2020.136192

Tichter, Tim ; Andrae, Dirk ; Schneider, Jonathan ; Gebhard, Marcus ; Hilger, André ; Manke, Ingo ; Roth, Christina:
Real-space simulation of cyclic voltammetry in carbon felt electrodes by combining micro X-ray CT data, digital simulation and convolutive modeling.
In: Electrochimica Acta. Vol. 353 (2020) . - No. 136487.
DOI: https://doi.org/10.1016/j.electacta.2020.136487

Tichter, Tim ; Schneider, Jonathan ; Nguyen Viet, Duc ; Diaz Duque, Alvaro ; Roth, Christina:
Rotating ring-disc electrode measurements for the quantitative electrokinetic investigation of the V³⁺-reduction at modified carbon electrodes.
In: Journal of Electroanalytical Chemistry. Vol. 859 (2020) . - No. 113843.
DOI: https://doi.org/10.1016/j.jelechem.2020.113843

Tichter, Tim ; Schneider, Jonathan ; Andrae, Dirk ; Gebhard, Marcus ; Roth, Christina:
Universal Algorithm for Simulating and Evaluating Cyclic Voltammetry at Macroporous Electrodes by Considering Random Arrays of Microelectrodes.
In: ChemPhysChem. Vol. 21 (2020) Issue 5 . - pp. 428-441.
DOI: https://doi.org/10.1002/cphc.201901113

Gebhard, Marcus ; Schnucklake, Maike ; Hilger, André ; Röhe, Maximilian ; Osenberg, Markus ; Krewer, Ulrike ; Manke, Ingo ; Roth, Christina:
X‐Ray‐Computed Radiography and Tomography Study of Electrolyte Invasion and Distribution inside Pristine and Heat‐Treated Carbon Felts for Redox Flow Batteries.
In: Energy Technology. Vol. 8 (2020) Issue 3 . - No. 1901214.
DOI: https://doi.org/10.1002/ente.201901214

2019

Fetyan, Abdulmonem ; El-Nagar, Gumaa A. ; Lauermann, Iver ; Schnucklake, Maike ; Schneider, Jonathan ; Roth, Christina:
Detrimental role of hydrogen evolution and its temperature-dependent impact on the performance of vanadium redox flow batteries.
In: Journal of Energy Chemistry. Vol. 32 (May 2019) . - pp. 57-62.
DOI: https://doi.org/10.1016/j.jechem.2018.06.010

da Silva, Pollyana Ferreira ; Gomes, Bruna Ferreira ; Lobo, Carlos Manuel Silva ; Queiroz Junior, Luiz Henrique Keng ; Danieli, Ernesto ; Carmo, Marcelo ; Blümich, Bernhard ; Colnago, Luiz Alberto:
Electrochemical NMR spectroscopy : Electrode construction and magnetic sample stirring.
In: Microchemical Journal. Vol. 146 (May 2019) . - pp. 658-663.
DOI: https://doi.org/10.1016/j.microc.2019.01.010

Lobo, Carlos Manuel Silva ; Gomes, Bruna Ferreira ; Bouzouma, Hajar ; Danieli, Ernesto ; Blümich, Bernhard ; Colnago, Luiz Alberto:
Improving in operando low field NMR copper electrodeposition analyses using inductively coupled coils.
In: Electrochimica Acta. Vol. 298 (March 2019) . - pp. 844-851.
DOI: https://doi.org/10.1016/j.electacta.2018.12.076

Akhmetova, Irina ; Beyer, Sebastian ; Schutjajew, Konstantin ; Tichter, Tim ; Wilke, Manuel ; Prinz, Carsten ; Martins, Inês C. B. ; Al-Sabbagh, Dominik ; Roth, Christina ; Emmerling, Franziska:
Cadmium benzylphosphonates : the close relationship between structure and properties.
In: CrystEngComm. Vol. 21 (2019) Issue 39 . - pp. 5958-5964.
DOI: https://doi.org/10.1039/c9ce00776h

Fetyan, Abdulmonem ; Schneider, Jonathan ; Schnucklake, Maike ; El-Nagar, Gumaa A. ; Banerjee, Rupak ; Bevilacqua, Nico ; Zeis, Roswitha ; Roth, Christina:
Comparison of Electrospun Carbon−Carbon Composite and Commercial Felt for Their Activity and Electrolyte Utilization in Vanadium Redox Flow Batteries.
In: ChemElectroChem. Vol. 6 (2019) Issue 1 . - pp. 130-135.
DOI: https://doi.org/10.1002/celc.201801128

Muench, Falk ; El-Nagar, Gumaa A. ; Tichter, Tim ; Zintler, Alexander ; Kunz, Ulrike ; Molina-Luna, Leopoldo ; Sikolenko, Vadim ; Pasquini, Chiara ; Lauermann, Iver ; Roth, Christina:
Conformal Solution Deposition of Pt-Pd Titania Nanocomposite Coatings for Light-Assisted Formic Acid Electro-Oxidation.
In: ACS Applied Materials & Interfaces. Vol. 11 (2019) Issue 46 . - pp. 43081-43092.
DOI: https://doi.org/10.1021/acsami.9b12783

Schneider, Jonathan ; Bulczak, Eduard ; El-Nagar, Gumaa A. ; Gebhard, Marcus ; Kubella, Paul ; Schnucklake, Maike ; Fetyan, Abdulmonem ; Derr, Igor ; Roth, Christina:
Degradation Phenomena of Bismuth-Modified Felt Electrodes in VRFB Studied by Electrochemical Impedance Spectroscopy.
In: Batteries. Vol. 5 (2019) Issue 1 . - No. 16.
DOI: https://doi.org/10.3390/batteries5010016

Gebhard, Marcus ; Paulisch, Melanie ; Hilger, André ; Franzen, David ; Ellendorff, Barbara ; Turek, Thomas ; Manke, Ingo ; Roth, Christina:
Design of an In-Operando Cell for X-Ray and Neutron Imaging of Oxygen-Depolarized Cathodes in Chlor-Alkali Electrolysis.
In: Materials. Vol. 12 (2019) Issue 8 . - No. 1275.
DOI: https://doi.org/10.3390/ma12081275

Schutjajew, Konstantin ; Yan, Runyu ; Antonietti, Markus ; Roth, Christina ; Oschatz, Martin:
Effects of Carbon Pore Size on the Contribution of Ionic Liquid Electrolyte Phase Transitions to Energy Storage in Supercapacitors.
In: Frontiers in Materials. Vol. 6 (2019) . - No. 65.
DOI: https://doi.org/10.3389/fmats.2019.00065

Kottakkat, Tintula ; Klingan, Katharina ; Jiang, Shan ; Jovanov, Zarko P. ; Davies, Veronica H. ; El-Nagar, Gumaa A. ; Dau, Holger ; Roth, Christina:
Electrodeposited AgCu Foam Catalysts for Enhanced Reduction of CO₂ to CO.
In: ACS Applied Materials & Interfaces. Vol. 11 (2019) Issue 16 . - pp. 14734-14744.
DOI: https://doi.org/10.1021/acsami.8b22071

Mierdel, Konstantin ; Jess, Andreas ; Gerdes, Thorsten ; Schmidt, Achim ; Hintzer, Klaus:
Energy and Resource Efficient Production of Fluoroalkenes in High Temperature Microreactors.
In: ChemEngineering. Vol. 3 (2019) Issue 4 . - No. 77.
DOI: https://doi.org/10.3390/chemengineering3040077

Wächtler, Maria ; González, Leticia ; Dietzek, Benjamin ; Turchanin, Andrey ; Roth, Christina:
Functional materials : making the world go round.
In: Physical Chemistry Chemical Physics. Vol. 21 (2019) Issue 18 . - pp. 8988-8991.
DOI: https://doi.org/10.1039/c9cp90120e

Gomes, Bruna Ferreira ; Lobo, Carlos Manuel Silva ; Colnago, Luiz Alberto:
Monitoring Electrochemical Reactions in Situ with Low Field NMR : A Mini-Review.
In: Applied Sciences. Vol. 9 (2019) Issue 3 . - p. 498.
DOI: https://doi.org/10.3390/app9030498

Paulisch, Melanie Cornelia ; Gebhard, Marcus ; Franzen, David ; Hilger, André ; Osenberg, Markus ; Kardjilov, Nikolay ; Ellendorff, Barbara ; Turek, Thomas ; Roth, Christina ; Manke, Ingo:
Operando Laboratory X-Ray Imaging of Silver-Based Gas Diffusion Electrodes during Oxygen Reduction Reaction in Highly Alkaline Media.
In: Materials. Vol. 12 (2019) Issue 17 . - No. 2686.
DOI: https://doi.org/10.3390/ma12172686

Delikaya, Öznur ; Zeyat, Mohammad ; Lentz, Dieter ; Roth, Christina:
Organic Additives to Improve Catalyst Performance for High‐Temperature Polymer Electrolyte Membrane Fuel Cells.
In: ChemElectroChem. Vol. 6 (2019) Issue 15 . - pp. 3892-3900.
DOI: https://doi.org/10.1002/celc.201900251

El-Nagar, Gumaa A. ; Delikaya, Öznur ; Lauermann, Iver ; Roth, Christina:
Platinum Nanostructure Tailoring for Fuel Cell Applications Using Levitated Water Droplets as Green Chemical Reactors.
In: ACS Applied Materials & Interfaces. Vol. 11 (2019) Issue 25 . - pp. 22398-22407.
DOI: https://doi.org/10.1021/acsami.9b05156

Schnucklake, Maike ; Eifert, László ; Schneider, Jonathan ; Zeis, Roswitha ; Roth, Christina:
Porous N- and S-doped carbon–carbon composite electrodes by soft-templating for redox flow batteries.
In: Beilstein Journal of Nanotechnology. Vol. 10 (2019) . - pp. 1131-1139.
DOI: https://doi.org/10.3762/bjnano.10.113

Sarhan, Radwan M. ; El-Nagar, Gumaa A. ; Abouserie, Ahed ; Roth, Christina:
Silver–Iron Hierarchical Microflowers for Highly Efficient H₂O₂ Nonenzymatic Amperometric Detection.
In: ACS Sustainable Chemistry & Engineering. Vol. 7 (2019) Issue 4 . - pp. 4335-4342.
DOI: https://doi.org/10.1021/acssuschemeng.8b06182

Dixon, D. ; Schoekel, A. ; Roth, Christina:
Spatially resolved quantification of ruthenium oxide phase in a direct methanol fuel cell operated under normal and fuel starved conditions.
In: Electrochimica Acta. Vol. 298 (2019) . - pp. 52-58.
DOI: https://doi.org/10.1016/j.electacta.2018.12.073

Gomes, Bruna Ferreira ; Holzhäuser, Fabian Joschka ; Silva Lobo, Carlos Manuel ; da Silva, Pollyana Ferreira ; Danieli, Ernesto ; Carmo, Marcelo ; Colnago, Luiz Alberto ; Palkovits, Stefan ; Palkovits, Regina ; Blümich, Bernhard:
Sustainable Electrocoupling of the Biogenic Valeric Acid under in Situ Low-Field Nuclear Magnetic Resonance Conditions.
In: ACS Sustainable Chemistry & Engineering. Vol. 7 (2019) Issue 22 . - pp. 18288-18296.
DOI: https://doi.org/10.1021/acssuschemeng.9b02768

El-Nagar, Gumaa A. ; Muench, Falk ; Roth, Christina:
Tailored dendritic platinum nanostructures as a robust and efficient direct formic acid fuel cell anode.
In: New Journal of Chemistry. Vol. 43 (2019) Issue 10 . - pp. 4100-4105.
DOI: https://doi.org/10.1039/c8nj06172f

Tichter, Tim ; Andrae, Dirk ; Mayer, Jacob ; Schneider, Jonathan ; Gebhard, Marcus ; Roth, Christina:
Theory of cyclic voltammetry in random arrays of cylindrical microelectrodes applied to carbon felt electrodes for vanadium redox flow batteries.
In: Physical Chemistry Chemical Physics. Vol. 21 (2019) Issue 18 . - pp. 9061-9068.
DOI: https://doi.org/10.1039/C9CP00548J

2018

Kayarkatte, Manoj Krishna ; Delikaya, Öznur ; Roth, Christina:
Polyacrylic acid-Nafion composites as stable catalyst support in PEM fuel cell electrodes.
In: Materials Today : Communications. Vol. 16 (September 2018) . - pp. 8-13.
DOI: https://doi.org/10.1016/j.mtcomm.2018.02.003

Melke, Julia ; Dixon, Ditty ; Riekehr, Lars ; Benker, Nathalie ; Langner, Joachim ; Lentz, Claudia ; Sezen, Hikmet ; Nefedov, Alexei ; Wöll, Christof ; Ehrenberg, Helmut ; Roth, Christina:
Surfactant modified platinum based fuel cell cathode studied by X-ray absorption spectroscopy.
In: Journal of Catalysis. Vol. 364 (August 2018) . - pp. 282-290.
DOI: https://doi.org/10.1016/j.jcat.2018.05.024

Fetyan, Abdulmonem ; El-Nagar, Gumaa A. ; Derr, Igor ; Kubella, Paul ; Dau, Holger ; Roth, Christina:
A neodymium oxide nanoparticle-doped carbon felt as promising electrode for vanadium redox flow batteries.
In: Electrochimica Acta. Vol. 268 (April 2018) . - pp. 59-65.
DOI: https://doi.org/10.1016/j.electacta.2018.02.104

Bachtin, Krystyna ; Kramer, Dominik ; Chakravadhanula, V. S. Kiran ; Mu, Xiaoke ; Trouillet, Vanessa ; Kaus, Maximilian ; Indris, Sylvio ; Ehrenberg, Helmut ; Roth, Christina:
Activation and degradation of electrospun LiFePO₄ battery cathodes.
In: Journal of Power Sources. Vol. 396 (2018) . - pp. 386-394.
DOI: https://doi.org/10.1016/j.jpowsour.2018.06.051

Cheng, Chong ; Li, Shuang ; Xia, Yi ; Ma, Lang ; Nie, Chuanxiong ; Roth, Christina ; Thomas, Arne ; Haag, Rainer:
Atomic Fe-Nₓ Coupled Open-Mesoporous Carbon Nanofibers for Efficient and Bioadaptable Oxygen Electrode in Mg-Air Batteries.
In: Advanced Materials. Vol. 30 (2018) Issue 40 . - No. 1802669.
DOI: https://doi.org/10.1002/adma.201802669

El-Nagar, Gumaa A. ; Lauermann, Iver ; Sarhan, Radwan M. ; Roth, Christina:
Hierarchically structured iron-doped silver (Ag–Fe) lotus flowers for an efficient oxygen reduction reaction.
In: Nanoscale. Vol. 10 (2018) Issue 15 . - pp. 7304-7310.
DOI: https://doi.org/10.1039/C8NR00020D

Klingan, Katharina ; Kottakkat, Tintula ; Jovanov, Zarko P. ; Jiang, Shan ; Pasquini, Chiara ; Scholten, Fabian ; Kubella, Paul ; Bergmann, Arno ; Roldan Cuenya, Beatriz ; Roth, Christina ; Dau, Holger:
Reactivity Determinants in Electrodeposited Cu Foams for Electrochemical CO2 Reduction.
In: ChemSusChem. Vol. 11 (2018) Issue 19 . - pp. 3449-3459.
DOI: https://doi.org/10.1002/cssc.201801582

Haupt, Axel ; Keller, Lisa-Marie ; Kutter, Maximilian ; Lentz, Dieter:
Selective Synthesis of Perfluoroalkylated Corannulenes and Investigation of their Structural, Dynamic and Electrochemical Behavior.
In: Chemistry : a European Journal. Vol. 24 (2018) Issue 42 . - pp. 10756-10765.
DOI: https://doi.org/10.1002/chem.201801021

Akhmetova, Irina ; Schutjajew, Konstantin ; Wilke, Manuel ; Buzanich, Ana ; Rademann, Klaus ; Roth, Christina ; Emmerling, Franziska:
Synthesis, characterization and in situ monitoring of the mechanochemical reaction process of two manganese(II)-phosphonates with N-containing ligands.
In: Journal of Materials Science. Vol. 53 (2018) Issue 19 . - pp. 13390-13399.
DOI: https://doi.org/10.1007/s10853-018-2608-6

2017

Gomes, Bruna Ferreira ; da Silva, Pollyana Ferreira ; Lobo, Carlos Manuel Silva ; Santos, Maiara da Silva ; Colnago, Luiz Alberto:
Strong magnetoelectrolysis effect during electrochemical reaction monitored in situ by high-resolution NMR spectroscopy.
In: Analytica Chimica Acta. Vol. 983 (August 2017) . - pp. 91-95.
DOI: https://doi.org/10.1016/j.aca.2017.06.008

El-Nagar, Gumaa A. ; Derr, Igor ; Fetyan, Abdulmonem ; Roth, Christina:
One-pot synthesis of a high performance chitosan-nickel oxyhydroxide nanocomposite for glucose fuel cell and electro-sensing applications.
In: Applied Catalysis B: Environmental. Vol. 204 (May 2017) . - pp. 185-199.
DOI: https://doi.org/10.1016/j.apcatb.2016.11.031

El-Nagar, Gumaa A. ; Derr, Igor ; Kottakkat, Tintula ; Roth, Christina:
Auspicious Metal-Doped-Cu2O/Cu Dendrite (M=Ni, Co, Fe) Catalysts for Direct Alkaline Fuel Cells: Effect of Dopants.
In: ECS Transactions. Vol. 80 (2017) Issue 8 . - pp. 1013-1022.
DOI: https://doi.org/10.1149/08008.1013ecst

Lentz, Claudia ; Jand, Sara Panahian ; Melke, Julia ; Roth, Christina ; Kaghazchi, Payam:
DRIFTS study of CO adsorption on Pt nanoparticles supported by DFT calculations.
In: Journal of Molecular Catalysis A: Chemical. Vol. 426 (2017) . - pp. 1-9.
DOI: https://doi.org/10.1016/j.molcata.2016.10.002

El-Nagar, Gumaa A. ; Sarhan, Radwan M. ; Abouserie, Ahed ; Maticiuc, Natalia ; Bargheer, Matias ; Lauermann, Iver ; Roth, Christina:
Efficient 3D-Silver Flower-like Microstructures for Non-Enzymatic Hydrogen Peroxide (H₂O₂) Amperometric Detection.
In: Scientific Reports. Vol. 7 (2017) . - No. 12181.
DOI: https://doi.org/10.1038/s41598-017-11965-9

El-Nagar, Gumaa A. ; Hassan, Mohamed A. ; Lauermann, Iver ; Roth, Christina:
Efficient Direct Formic Acid Fuel Cells (DFAFCs) Anode Derived from Seafood waste : Migration Mechanism.
In: Scientific Reports. Vol. 7 (2017) . - No. 17818.
DOI: https://doi.org/10.1038/s41598-017-17978-8

Derr, Igor ; Fetyan, Abdulmonem ; Schutjajew, Konstantin ; Roth, Christina:
Electrochemical analysis of the performance loss in all vanadium redox flow batteries using different cut-off voltages.
In: Electrochimica Acta. Vol. 224 (2017) . - pp. 9-16.
DOI: https://doi.org/10.1016/j.electacta.2016.12.043

Derr, Igor ; Przyrembel, Daniel ; Schweer, Jakob ; Fetyan, Abdulmonem ; Langner, Joachim ; Melke, Julia ; Weinelt, Martin ; Roth, Christina:
Electroless chemical aging of carbon felt electrodes for the all-vanadium redox flow battery (VRFB) investigated by Electrochemical Impedance and X-ray Photoelectron Spectroscopy.
In: Electrochimica Acta. Vol. 246 (2017) . - pp. 783-793.
DOI: https://doi.org/10.1016/j.electacta.2017.06.050

El-Nagar, Gumaa A. ; Roth, Christina:
Enhanced electrooxidation of glucose at nano-chitosan–NiOOH modified GC electrode : fuel blends and hydrocarbon impurities.
In: Physical Chemistry Chemical Physics. Vol. 19 (2017) Issue 3 . - pp. 2537-2548.
DOI: https://doi.org/10.1039/C6CP08360A

Muench, Falk ; Sun, Luwan ; Kottakkat, Tintula ; Antoni, Markus ; Schaefer, Sandra ; Kunz, Ulrike ; Molina-Luna, Leopoldo ; Duerrschnabel, Michael ; Kleebe, Hans-Joachim ; Ayata, Sevda ; Roth, Christina ; Ensinger, Wolfgang:
Free-Standing Networks of Core-Shell Metal and Metal Oxide Nanotubes for Glucose Sensing.
In: ACS Applied Materials & Interfaces. Vol. 9 (2017) Issue 1 . - pp. 771-781.
DOI: https://doi.org/10.1021/acsami.6b13979

Kayarkatte, Manoj Krishna ; Delikaya, Öznur ; Roth, Christina:
Freestanding Catalyst Layers : A Novel Electrode Fabrication Technique for PEM Fuel Cells via Electrospinning.
In: ChemElectroChem. Vol. 4 (2017) Issue 2 . - pp. 404-411.
DOI: https://doi.org/10.1002/celc.201600530

Shi, Yuan ; Hausherr, Jan-Marcel ; Hoffmann, Hendrik ; Koch, Dietmar:
Inspection of geometry influence and fiber orientation to characteristic value for short fiber reinforced ceramic matrix composite under bending load.
In: Journal of the European Ceramic Society. Vol. 37 (2017) Issue 4 . - pp. 1291-1303.
DOI: https://doi.org/10.1016/j.jeurceramsoc.2016.11.042

El-Nagar, Gumaa A. ; Hassan, Mohamed A. ; Fetyan, Abdulmonem ; Kayarkatte, Manoj Krishna ; Lauermann, Iver ; Roth, Christina:
A promising N-doped carbon-metal oxide hybrid electrocatalyst derived from crustacean's shells : Oxygen reduction and oxygen evolution.
In: Applied Catalysis B: Environmental. Vol. 214 (2017) . - pp. 137-147.
DOI: https://doi.org/10.1016/j.apcatb.2017.05.030

Schnucklake, Maike ; Kuecken, Sophie ; Fetyan, Abdulmonem ; Schmidt, Johannes ; Thomas, Arne ; Roth, Christina:
Salt-templated porous carbon–carbon composite electrodes for application in vanadium redox flow batteries.
In: Journal of Materials Chemistry A. Vol. 5 (2017) Issue 48 . - pp. 25193-25199.
DOI: https://doi.org/10.1039/C7TA07759A

2016

Derr, Igor ; Bruns, Michael ; Langner, Joachim ; Fetyan, Abdulmonem ; Melke, Julia ; Roth, Christina:
Degradation of all-vanadium redox flow batteries (VRFB) investigated by electrochemical impedance and X-ray photoelectron spectroscopy. Part 2: Electrochemical degradation.
In: Journal of Power Sources. Vol. 325 (September 2016) . - pp. 351-359.
DOI: https://doi.org/10.1016/j.jpowsour.2016.06.040

Brieger, Claudia ; Melke, Julia ; van der Bosch, Nils ; Reinholz, Uwe ; Riesemeier, Heinrich ; Guilherme Buzanich, Ana ; Kayarkatte, Manoj Krishna ; Derr, Igor ; Schökel, Alexander ; Roth, Christina:
A combined in-situ XAS–DRIFTS study unraveling adsorbate induced changes on the Pt nanoparticle structure.
In: Journal of Catalysis. Vol. 339 (July 2016) . - pp. 57-67.
DOI: https://doi.org/10.1016/j.jcat.2016.03.034

Langner, Joachim ; Bruns, Michael ; Dixon, Ditty ; Nefedov, Alexei A. ; Wöll, Christof ; Scheiba, Frieder ; Ehrenberg, Helmut ; Roth, Christina ; Melke, Julia:
Surface properties and graphitization of polyacrylonitrile based fiber electrodes affecting the negative half-cell reaction in vanadium redox flow batteries.
In: Journal of Power Sources. Vol. 321 (July 2016) . - pp. 210-218.
DOI: https://doi.org/10.1016/j.jpowsour.2016.04.128

Gomes, Bruna Ferreira ; Burato, Juliana Soares da Silva ; Lobo, Carlos Manuel Silva ; Colnago, Luiz Alberto:
Use of the Relaxometry Technique for Quantification of Paramagnetic Ions in Aqueous Solutions and a Comparison with Other Analytical Methods.
In: International Journal of Analytical Chemistry. Vol. 8 (May 2016) . - No. 8256437..
DOI: https://doi.org/10.1155/2016/8256437

Burow, Daniel ; Sergeeva, Kseniya ; Calles, Simon ; Schorb, Klaus ; Börger, Alexander ; Roth, Christina ; Heitjans, Paul:
Inhomogeneous degradation of graphite anodes in automotive lithium ion batteries under low-temperature pulse cycling conditions.
In: Journal of Power Sources. Vol. 307 (March 2016) . - pp. 806-814.
DOI: https://doi.org/10.1016/j.jpowsour.2016.01.033

Schoekel, Alexander ; Melke, Julia ; Bruns, Michael ; Wippermann, Klaus ; Kuppler, Frank ; Roth, Christina:
Quantitative study of ruthenium cross-over in direct methanol fuel cells during early operation hours.
In: Journal of Power Sources. Vol. 301 (January 2016) . - pp. 210-218.
DOI: https://doi.org/10.1016/j.jpowsour.2015.09.119

Bachtin, Krystyna ; Kaus, Maximilian ; Pfaffmann, Lukas ; Indris, Sylvio ; Knapp, Michael ; Roth, Christina ; Ehrenberg, Helmut:
Comparison of electrospun and conventional LiFePO4/C composite cathodes for Li-ion batteries.
In: Materials Science and Engineering B. Vol. 213 (2016) . - pp. 98-104.
DOI: https://doi.org/10.1016/j.mseb.2016.04.006

El-Nagar, Gumaa A. ; Roth, Christina:
Impurity-Induced Electrocatalysis : Unpredicted Enhancement Effect of Ammonia Impurity Towards Formic Acid Electro-Oxidation.
In: ChemistrySelect. Vol. 1 (2016) Issue 18 . - pp. 5706-5711.
DOI: https://doi.org/10.1002/slct.201601149

Melke, Julia ; Peter, Benedikt ; Habereder, Anja ; Ziegler, Juergen ; Fasel, Claudia ; Nefedov, Alexei ; Sezen, Hikmet ; Wöll, Christof ; Ehrenberg, Helmut ; Roth, Christina:
Metal–Support Interactions of Platinum Nanoparticles Decorated N-Doped Carbon Nanofibers for the Oxygen Reduction Reaction.
In: ACS Applied Materials & Interfaces. Vol. 8 (2016) Issue 1 . - pp. 82-90.
DOI: https://doi.org/10.1021/acsami.5b06225

2015

Gomes, Bruna Ferreira ; Nunes, Luiza Maria Silva ; Lobo, Carlos Manuel Silva ; Carvalho, A. S. ; Cabeca, Luís Fernando ; Colnago, Luiz Alberto:
In situ analysis of copper electrodeposition reaction using unilateral NMR sensor.
In: Journal of Magnetic Resonance. Vol. 261 (December 2015) . - pp. 83-86.
DOI: https://doi.org/10.1016/j.jmr.2015.09.018

Cobra, Paulo Falco ; Gomes, Bruna Ferreira ; Mitre, Cirlei Igreja Nascimento ; Barbosa, Lucio Leonel ; Marconcini, Lucinéia Vizzotto ; Colnago, Luiz Alberto:
Measuring the solubility product constant of paramagnetic cations using time-domain nuclear magnetic resonance relaxometry.
In: Microchemical Journal. Vol. 121 (July 2015) . - pp. 14-17.
DOI: https://doi.org/10.1016/j.microc.2015.02.002

Roth, Christina ; Shao-Horn, Yang ; Myers, Deborah ; Inukai, Junji:
Batteries and Fuel Cells : Leading the Way to a Cleaner and Brighter Future.
In: ChemElectroChem. Vol. 2 (2015) Issue 10 . - pp. 1408-1409.
DOI: https://doi.org/10.1002/celc.201500385

Brieger, Claudia ; Melke, Julia ; Kaghazchi, Payam ; Roth, Christina:
CO Adsorption on Platinum Nanoparticles : the Importance of Size Distribution Studied with in-Situ DRIFTS and DFT Calculations.
In: ECS Transactions. Vol. 69 (2015) Issue 17 . - pp. 249-253.
DOI: https://doi.org/10.1149/06917.0249ecst

Fetyan, Abdulmonem ; Derr, Igor ; Kayarkatte, Manoj Krishna ; Langner, Joachim ; Bernsmeier, Denis ; Kraehnert, Ralph ; Roth, Christina:
Electrospun Carbon Nanofibers as Alternative Electrode Materials for Vanadium Redox Flow Batteries.
In: ChemElectroChem. Vol. 2 (2015) Issue 12 . - pp. 2055-2060.
DOI: https://doi.org/10.1002/celc.201500284

Kleiner, Karin ; Dixon, Ditty ; Jakes, Peter ; Melke, Julia ; Yavuz, Murat ; Roth, Christina ; Nikolowski, Kristian ; Liebau, Verena ; Ehrenberg, Helmut:
Fatigue of LiNi0.8Co0.15Al0.05O2 in commercial Li ion batteries.
In: Journal of Power Sources. Vol. 273 (2015) . - pp. 70-82.
DOI: https://doi.org/10.1016/j.jpowsour.2014.08.133

Caldwell, Keegan M. ; Kaserer, Sebastian ; Roth, Christina ; Ramaker, David E.:
Following Adsorbate Coverage on Anodes of High-Temperature Polymer Electrolyte Membrane Fuel Cells in the Presence of CO and H2O by using In Operando X-ray Absorption Spectroscopy.
In: ChemElectroChem. Vol. 2 (2015) Issue 10 . - pp. 1502-1509.
DOI: https://doi.org/10.1002/celc.201500228

Ramaker, David E. ; Roth, Christina:
Nature of the Intermediate Binding Sites in Hydrogen Oxidation/Evolution over Pt in Alkaline and Acidic Media.
In: ChemElectroChem. Vol. 2 (2015) Issue 10 . - pp. 1582-1594.
DOI: https://doi.org/10.1002/celc.201500111

Roth, Christina ; Kaserer, Sebastian ; Brieger, Claudia ; Caldwell, Keegan M. ; Melke, Julia ; Ramaker, David E.:
The Power of in-Situ Studies : How X-ray Absorption Spectroscopy Can Help to Develop PEMFC Catalysts with Increased Activity and Stability.
In: ECS Transactions. Vol. 69 (2015) Issue 17 . - pp. 147-156.
DOI: https://doi.org/10.1149/06917.0147ecst

Silva, Adny H. ; Locatelli, Claudriana ; Filho, Ubirajara P. R. ; Gomes, Bruna Ferreira ; de Carvalho Júnior, Rui M. ; de Gois, Jefferson S. ; Borges, Daniel L. G. ; Creczynski-Pasa, Tânia B.:
Visceral fat increase and signals of inflammation in adipose tissue after administration of titanium dioxide nanoparticles in mice.
In: Toxicology and Industrial Health. Vol. 33 (2015) Issue 2 . - pp. 147-158.
DOI: https://doi.org/10.1177/0748233715613224

2014

Melke, Julia ; Jakes, Peter ; Langner, Joachim ; Riekehr, Lars ; Kunz, Ulrike ; Zhao-Karger, Zhirong ; Nefedov, Alexei ; Sezen, Hikmet ; Wöll, Christof ; Ehrenberg, Helmut ; Roth, Christina:
Carbon materials for the positive electrode in all-vanadium redox flow batteries.
In: Carbon. Vol. 78 (2014) . - pp. 220-230.
DOI: https://doi.org/10.1016/j.carbon.2014.06.075

Langner, Joachim ; Melke, Julia ; Ehrenberg, Helmut ; Roth, Christina:
Determination of Overpotentials in All Vanadium Redox Flow Batteries.
In: ECS Transactions. Vol. 58 (2014) Issue 37 . - pp. 1-7.
DOI: https://doi.org/10.1149/05837.0001ecst

Ramaker, D. E. ; Korovina, A. ; Croze, Virginie ; Melke, J. ; Roth, Christina:
Following ORR intermediates adsorbed on a Pt cathode catalyst during break-in of a PEM fuel cell by in operando X-ray absorption spectroscopy.
In: Physical Chemistry Chemical Physics. Vol. 16 (2014) Issue 27 . - pp. 13645-13653.
DOI: https://doi.org/10.1039/C4CP00192C

Muench, Falk ; Seidl, Tim ; Rauber, Markus ; Peter, Benedikt ; Brötz, Joachim ; Krause, Markus ; Trautmann, Christina ; Roth, Christina ; Katusic, Stipan ; Ensinger, Wolfgang:
Hierarchically porous carbon membranes containing designed nanochannel architectures obtained by pyrolysis of ion-track etched polyimide.
In: Materials Chemistry and Physics. Vol. 148 (2014) Issue 3 . - pp. 846-853.
DOI: https://doi.org/10.1016/j.matchemphys.2014.09.001

Roth, Christina ; Bleith, Peter ; Schwöbel, Christoph A. ; Kaserer, Sebastian ; Eichler, Jens:
Importance of Fuel Cell Tests for Stability Assessment : Suitability of Titanium Diboride as an Alternative Support Material.
In: Energies. Vol. 7 (2014) Issue 6 . - pp. 3642-3652.
DOI: https://doi.org/10.3390/en7063642

Gomes, Bruna Ferreira ; Nunes, Luiza Maria Silva ; Lobo, Carlos Manuel Silva ; Cabeca, Luís Fernando ; Colnago, Luiz Alberto:
In Situ Study of the Magnetoelectrolysis Phenomenon during Copper Electrodeposition Using Time Domain NMR Relaxometry.
In: Analytical Chemistry. Vol. 86 (2014) Issue 19 . - pp. 9391-9393.
DOI: https://doi.org/10.1021/ac502361q

Peter, B. ; Melke, J. ; Muench, F. ; Ensinger, Wolfgang ; Roth, Christina:
Stable platinum nanostructures on nitrogen-doped carbon obtained by high-temperature synthesis for use in PEMFC.
In: Journal of Applied Electrochemistry. Vol. 44 (2014) Issue 5 . - pp. 573-580.
DOI: https://doi.org/10.1007/s10800-014-0664-4

Froelich, Konstantin ; Rauner, Helmut ; Scheiba, Frieder ; Roth, Christina ; Ehrenberg, Helmut:
Welding of Nafion® – The influence of time, temperature and pressure.
In: Journal of Power Sources. Vol. 267 (2014) . - pp. 260-268.
DOI: https://doi.org/10.1016/j.jpowsour.2014.05.026

2013

Kaserer, Sebastian ; Caldwell, Keegan M. ; Ramaker, David E. ; Roth, Christina:
Analyzing the Influence of H3PO4 as Catalyst Poison in High Temperature PEM Fuel Cells Using in-operando X-ray Absorption Spectroscopy.
In: The Journal of Physical Chemistry C. Vol. 117 (2013) Issue 12 . - pp. 6210-6217.
DOI: https://doi.org/10.1021/jp311924q

Kaserer, Sebastian ; Rakousky, Christoph ; Melke, Julia ; Roth, Christina:
Design of a reference electrode for high-temperature PEM fuel cells.
In: Journal of Applied Electrochemistry. Vol. 43 (2013) Issue 11 . - pp. 1069-1078.
DOI: https://doi.org/10.1007/s10800-013-0567-9

Muench, Falk ; Oezaslan, Mehtap ; Rauber, Markus ; Kaserer, Sebastian ; Fuchs, Anne ; Mankel, Eric ; Brötz, Joachim ; Strasser, Peter ; Roth, Christina ; Ensinger, Wolfgang:
Electroless synthesis of nanostructured nickel and nickel–boron tubes and their performance as unsupported ethanol electrooxidation catalysts.
In: Journal of Power Sources. Vol. 222 (2013) . - pp. 243-252.
DOI: https://doi.org/10.1016/j.jpowsour.2012.08.067

Dixon, D. ; Melke, J. ; Botros, M. ; Rathore, J. ; Ehrenberg, Helmut ; Roth, Christina:
Increase of catalyst utilization in polymer electrolyte membrane fuel cells by shape-selected Pt nanoparticles.
In: International Journal of Hydrogen Energy. Vol. 38 (2013) Issue 30 . - pp. 13393-13398.
DOI: https://doi.org/10.1016/j.ijhydene.2013.07.110

2012

Melke, J. ; Schoekel, A. ; Gerteisen, D. ; Dixon, D. ; Ettingshausen, F. ; Cremers, Carsten ; Roth, Christina ; Ramaker, D. E.:
Electrooxidation of Ethanol on Pt. An in Situ and Time-Resolved XANES Study.
In: The Journal of Physical Chemistry C. Vol. 116 (2012) Issue 4 . - pp. 2838-2849.
DOI: https://doi.org/10.1021/jp206295h

Muench, Falk ; Neetzel, Cornelia ; Kaserer, Sebastian ; Brötz, Joachim ; Jaud, Jean-Christophe ; Zhao-Karger, Zhirong ; Lauterbach, Stefan ; Kleebe, Hans-Joachim ; Roth, Christina ; Ensinger, Wolfgang:
Fabrication of porous rhodium nanotube catalysts by electroless plating.
In: Journal of Materials Chemistry. Vol. 22 (2012) Issue 25 . - pp. 12784-12791.
DOI: https://doi.org/10.1039/C2JM31110K

Nuss, H. ; Roth, Christina:
Festkörperchemie 2011.
In: Nachrichten aus der Chemie. Vol. 60 (2012) Issue 3 . - pp. 251-264.
DOI: https://doi.org/10.1002/nadc.201290118

Wolz, André ; Zils, Susanne ; Ruch, David ; Kotov, Nicholas ; Roth, Christina ; Michel, Marc:
Incorporation of Indium Tin Oxide Nanoparticles in PEMFC Electrodes.
In: Advanced Energy Materials. Vol. 2 (2012) Issue 5 . - pp. 569-574.
DOI: https://doi.org/10.1002/aenm.201100711

Dixon, Ditty ; Habereder, Anja ; Farmand, Maryam ; Kaserer, Sebastian ; Roth, Christina ; Ramaker, David E.:
Space Resolved, in Operando X-ray Absorption Spectroscopy : Investigations on Both the Anode and Cathode in a Direct Methanol Fuel Cell.
In: The Journal of Physical Chemistry C. Vol. 116 (2012) Issue 13 . - pp. 7587-7595.
DOI: https://doi.org/10.1021/jp211321u

Butsch, Hanno ; Roth, Christina ; Ritzinger, Dietrich ; Hoogers, Gregor ; Bock, Achim:
Spatially Resolved Contact Pressure and Contact Resistance Measurements at the Gas Diffusion Layer : A Tool for PEM Fuel Cell Development.
In: Journal of the Electrochemical Society. Vol. 159 (2012) Issue 6 . - B709-B713.
DOI: https://doi.org/10.1149/2.054206jes

2011

Dixon, D. ; Wippermann, K. ; Mergel, J. ; Schoekel, A. ; Zils, S. ; Roth, Christina:
Degradation effects at the methanol inlet, outlet and center region of a stack MEA operated in DMFC.
In: Journal of Power Sources. Vol. 196 (2011) Issue 13 . - pp. 5538-5545.
DOI: https://doi.org/10.1016/j.jpowsour.2011.02.007

Ettingshausen, Frank ; Kleemann, J. ; Marcu, A. ; Toth, G. ; Fuess, H. ; Roth, Christina:
Dissolution and Migration of Platinum in PEMFCs Investigated for Start/Stop Cycling and High Potential Degradation.
In: Fuel Cells. Vol. 11 (2011) Issue 2 . - pp. 238-245.
DOI: https://doi.org/10.1002/fuce.201000051

Soehn, M. ; Zils, S. ; Nicoloso, N. ; Roth, Christina:
Effective debundling of carbon nanotubes and simultaneous synthesis of Pt nanoparticles by Nafion® induced emulsions.
In: Journal of Power Sources. Vol. 196 (2011) Issue 15 . - pp. 6079-6084.
DOI: https://doi.org/10.1016/j.jpowsour.2011.03.067

Muench, Falk ; Kaserer, Sebastian ; Kunz, Ulrike ; Svoboda, Ingrid ; Brötz, J. ; Lauterbach, Stefan ; Kleebe, Hans-Joachim ; Roth, Christina ; Ensinger, Wolfgang:
Electroless synthesis of platinum and platinum–ruthenium nanotubes and their application in methanol oxidation.
In: Journal of Materials Chemistry. Vol. 21 (2011) Issue 17 . - pp. 6286-6291.
DOI: https://doi.org/10.1039/c0jm03522j

Rauber, Markus ; Alber, Ina ; Müller, Sven ; Neumann, Reinhard ; Picht, Oliver ; Roth, Christina ; Schökel, Alexander ; Toimil-Molares, Maria Eugenia ; Ensinger, Wolfgang:
Highly-Ordered Supportless Three-Dimensional Nanowire Networks with Tunable Complexity and Interwire Connectivity for Device Integration.
In: Nano Letters. Vol. 11 (2011) Issue 6 . - pp. 2304-2310.
DOI: https://doi.org/10.1021/nl2005516

Suffner, Jens ; Kaserer, Sebastian ; Hahn, Horst ; Roth, Christina ; Ettingshausen, Frank:
Sb-Doped SnO2 Hollow Spheres Offering Micro- and Nanoporosity in Fuel Cell Electrode Structures.
In: Advanced Energy Materials. Vol. 1 (2011) Issue 4 . - pp. 648-654.
DOI: https://doi.org/10.1002/aenm.201100077

2010

Zils, S. ; Timpel, M. ; Arlt, T. ; Wolz, A. ; Manke, I. ; Roth, Christina:
3D Visualisation of PEMFC Electrode Structures Using FIB Nanotomography.
In: Fuel Cells. Vol. 10 (2010) Issue 6 . - pp. 966-972.
DOI: https://doi.org/10.1002/fuce.201000133

Michel, M. ; Bour, J. ; Petersen, J. ; Arnoult, C. ; Ettingshausen, F. ; Roth, Christina ; Ruch, D.:
Atmospheric Plasma Deposition : A New Pathway in the Design of Conducting Polymer-Based Anodes for Hydrogen Fuel Cells.
In: Fuel Cells. Vol. 10 (2010) Issue 6 . - pp. 932-937.
DOI: https://doi.org/10.1002/fuce.201000050

Dixon, Ditty ; Schröder, Alexander ; Schökel, Alexander ; Söhn, Matthias ; Manke, Ingo ; Kardjilov, Nikolay ; Sanders, Tilman ; Loos, Volker ; Hoogers, Gregor ; Wippermann, Klaus ; Stolten, Detlef ; Roth, Christina:
Design of In-Situ Experimentation for the Study of Fuel Cells with X-rays and Neutrons.
In: Materials Testing. Vol. 52 (2010) Issue 10 . - pp. 725-735.
DOI: https://doi.org/10.3139/120.110180

Sevjidsuren, G. ; Zils, S. ; Kaserer, S. ; Wolz, A. ; Ettingshausen, F. ; Dixon, D. ; Schoekel, A. ; Roth, Christina ; Altantsog, P. ; Sangaa, D. ; Ganzorig, Ch.:
Effect of Different Support Morphologies and Pt Particle Sizes in Electrocatalysts for Fuel Cell Applications.
In: Journal of Nanomaterials. Vol. 2010 (2010) . - No. 852786.
DOI: https://doi.org/10.1155/2010/852786

Melke, Julia ; Schoekel, Alexander ; Dixon, Ditty ; Cremers, Carsten ; Ramaker, David E. ; Roth, Christina:
Ethanol Oxidation on Carbon-Supported Pt, PtRu, and PtSn Catalysts Studied by Operando X-ray Absorption Spectroscopy.
In: The Journal of Physical Chemistry C. Vol. 114 (2010) Issue 13 . - pp. 5914-5925.
DOI: https://doi.org/10.1021/jp909342w

Arras, Jürgen ; Paki, Elisabeth ; Roth, Christina ; Radnik, Jörg ; Lucas, Martin ; Claus, Peter:
How a Supported Metal Is Influenced by an Ionic Liquid : In-Depth Characterization of SCILL-Type Palladium Catalysts and Their Hydrogen Adsorption.
In: The Journal of Physical Chemistry C. Vol. 114 (2010) Issue 23 . - pp. 10520-10526.
DOI: https://doi.org/10.1021/jp1016196

Scheiba, Frieder ; Kunz, Ulrike ; Butsch, Hanno ; Zils, Susanne ; Fuess, Hartmut ; Roth, Christina:
Imaging the Electrode-GDL Interface by a Modified Wood's Intrusion Process.
In: ECS Transactions. Vol. 28 (2010) Issue 27 . - pp. 85-92.
DOI: https://doi.org/10.1149/1.3496616

Zils, Susanne ; Wolz, André ; Michel, Marc ; Roth, Christina:
Structured Multilayer Electrodes without Nafion for Polymer Electrolyte Membrane Fuel Cells.
In: ECS Transactions. Vol. 28 (2010) Issue 8 . - pp. 33-42.
DOI: https://doi.org/10.1149/1.3490680

Wolz, André ; Zils, Susanne ; Michel, Marc ; Roth, Christina:
Structured multilayered electrodes of proton/electron conducting polymer for polymer electrolyte membrane fuel cells assembled by spray coating.
In: Journal of Power Sources. Vol. 195 (2010) Issue 24 . - pp. 8162-8167.
DOI: https://doi.org/10.1016/j.jpowsour.2010.06.087

Croze, Virginie ; Ettingshausen, Frank ; Melke, Julia ; Soehn, Matthias ; Stuermer, Dominic ; Roth, Christina:
The use of in situ X-ray absorption spectroscopy in applied fuel cell research.
In: Journal of Applied Electrochemistry. Vol. 40 (2010) Issue 5 . - pp. 877-883.
DOI: https://doi.org/10.1007/s10800-009-9919-x

2009

Ettingshausen, Frank ; Weidner, André ; Zils, Susanne ; Wolz, André ; Suffner, Jens ; Michel, Marc ; Roth, Christina:
Alternative Support Materials for Fuel Cell Catalysts.
In: ECS Transactions. Vol. 25 (2009) Issue 1 . - pp. 1883-1892.
DOI: https://doi.org/10.1149/1.3210743

Carmo, Marcelo ; Roepke, Thorsten ; Roth, Christina ; dos Santos, Amilton M. ; Poco, Joao G. R. ; Linardi, Marcelo:
A novel electrocatalyst support with proton conductive properties for polymer electrolyte membrane fuel cell applications.
In: Journal of Power Sources. Vol. 191 (2009) Issue 2 . - pp. 330-337.
DOI: https://doi.org/10.1016/j.jpowsour.2009.01.086

Ettingshausen, Frank ; Kleemann, J. ; Michel, Marc ; Quintus, M. ; Fuess, Hartmut ; Roth, Christina:
Spatially resolved degradation effects in membrane-electrode-assemblies of vehicle aged polymer electrolyte membrane fuel cell stacks.
In: Journal of Power Sources. Vol. 194 (2009) Issue 2 . - pp. 899-907.
DOI: https://doi.org/10.1016/j.jpowsour.2009.06.003

Carmo, Marcelo ; Roepke, Thorsten ; Scheiba, Frieder ; Roth, Christina ; Moeller, Stephan ; Fuess, Hartmut ; Poco, Joao G.R. ; Linardi, Marcelo:
The use of a dynamic hydrogen electrode as an electrochemical tool to evaluate plasma activated carbon as electrocatalyst support for direct methanol fuel cell.
In: Materials Research Bulletin. Vol. 44 (2009) Issue 1 . - pp. 51-56.
DOI: https://doi.org/10.1016/j.materresbull.2008.04.007

2008

Roth, Christina ; Benker, Nathalie ; Theissmann, Ralf ; Nichols, Richard J. ; Schiffrin, David J.:
Bifunctional Electrocatalysis in Pt−Ru Nanoparticle Systems.
In: Langmuir. Vol. 24 (2008) Issue 5 . - pp. 2191-2199.
DOI: https://doi.org/10.1021/la7015929

Steffan, Martin ; Klasovsky, Florian ; Arras, Jürgen ; Roth, Christina ; Radnik, Jörg ; Hofmeister, Herbert ; Claus, Peter:
Carbon-Carbon Double BondversusCarbonyl Group Hydrogenation: Controlling the Intramolecular Selectivity with Polyaniline-Supported Platinum Catalysts.
In: Advanced Synthesis & Catalysis. Vol. 350 (2008) Issue 9 . - pp. 1337-1348.
DOI: https://doi.org/10.1002/adsc.200800035

Klasovsky, Florian ; Hohmeyer, Jens ; Brückner, Angelika ; Bonifer, Marcus ; Arras, Jürgen ; Steffan, Martin ; Lucas, Martin ; Radnik, Jörg ; Roth, Christina ; Claus, Peter:
Catalytic and Mechanistic Investigation of Polyaniline Supported PtO2 Nanoparticles : A Combined in situ/operando EPR, DRIFTS, and EXAFS Study.
In: The Journal of Physical Chemistry C. Vol. 112 (2008) Issue 49 . - pp. 19555-19559.
DOI: https://doi.org/10.1021/jp805970e

dos Santos, Antonio Rodolfo ; Carmo, Marcelo ; Oliveira-Neto, Almir ; Spinacé, Estevam V. ; Rocha Poço, João G. ; Roth, Christina ; Fuess, Hartmut ; Linardi, Marcelo:
Electrochemical and impedance spectroscopy studies in H₂/O₂ and methanol/O₂ proton exchange membrane fuel cells.
In: Ionics. Vol. 14 (2008) Issue 1 . - pp. 43-51.
DOI: https://doi.org/10.1007/s11581-007-0133-8

Scheiba, Frieder ; Benker, Nathalie ; Kunz, Ulrike ; Roth, Christina ; Fuess, Hartmut:
Electron microscopy techniques for the analysis of the polymer electrolyte distribution in proton exchange membrane fuel cells.
In: Journal of Power Sources. Vol. 177 (2008) Issue 2 . - pp. 273-280.
DOI: https://doi.org/10.1016/j.jpowsour.2007.11.085

Michel, Marc ; Ettingshausen, Frank ; Scheiba, Frieder ; Wolz, André ; Roth, Christina:
Using layer-by-layer assembly of polyaniline fibers in the fast preparation of high performance fuel cell nanostructured membrane electrodes.
In: Physical Chemistry Chemical Physics. Vol. 10 (2008) Issue 25 . - pp. 3796-3801.
DOI: https://doi.org/10.1039/B802813N

2007

Roth, Christina ; Benker, Nathalie ; Mazurek, Marian ; Scheiba, Frieder ; Fuess, Hartmut:
Pt-Ru fuel cell catalysts subjected to H₂, CO, N₂ and air atmosphere : An X-ray absorption study.
In: Applied Catalysis A: General. Vol. 319 (March 2007) . - pp. 81-90.
DOI: https://doi.org/10.1016/j.apcata.2006.11.018

Scott, Frances J. ; Roth, Christina ; Ramaker, David E.:
Kinetics of CO Poisoning in Simulated Reformate and Effect of Ru Island Morphology on PtRu Fuel Cell Catalysts As Determined by Operando X-ray Absorption Near Edge Spectroscopy.
In: The Journal of Physical Chemistry C. Vol. 111 (2007) Issue 30 . - pp. 11403-11413.
DOI: https://doi.org/10.1021/jp072698+

Roth, Christina ; Benker, Nathalie ; Zils, Susanne ; Chenitz, Régis ; Issanin, Alexander ; Fuess, Hartmut:
The Oxidation Behaviour of Ruthenium in the Presence of Platinum and its Effect on the Electrocatalytic Activity of Pt-Ru Fuel Cell Catalysts.
In: Zeitschrift für Physikalische Chemie : International Journal of Research in Physical Chemistry and Chemical Physics. Vol. 221 (2007) Issue 11/12 . - pp. 1549-1567.
DOI: https://doi.org/10.1524/zpch.2007.221.11-12.1549

2006

Mazurek, Marian ; Benker, Nathalie ; Roth, Christina ; Buhrmester, Thorsten ; Fuess, Hartmut:
Electrochemical impedance and x-ray absorption spectroscopy (EXAFS) as in-situ methods to study the PEMFC anode.
In: Fuel Cells. Vol. 6 (2006) Issue 1 . - pp. 16-20.
DOI: https://doi.org/10.1002/fuce.200500095

Cao, Lin ; Scheiba, Frieder ; Roth, Christina ; Schweiger, Franz ; Cremers, Carsten ; Stimming, Ulrich ; Fuess, Hartmut ; Chen, Liquan ; Zhu, Wentao ; Qiu, Xinping:
Novel Nanocomposite Pt/RuO₂⋅xH₂O/Carbon Nanotube Catalysts for Direct Methanol Fuel Cells.
In: Angewandte Chemie International Edition. Vol. 45 (2006) Issue 32 . - pp. 5315-5319.
DOI: https://doi.org/10.1002/anie.200601301

Scholz, Manuel ; Scheiba, Frieder ; Cao, Lin ; Schafranek, Robert ; Roth, Christina ; Cremers, Carsten ; Qiu, Xinping ; Stimming, Ulrich ; Fuess, Hartmut:
On the suitability of hydrous ruthenium oxide supports to enhance intrinisic proton conductivity in direct methanol anodes.
In: Fuel Cells. Vol. 6 (2006) Issue 6 . - pp. 439-446.
DOI: https://doi.org/10.1002/fuce.200500238

Mazurek, Marian ; Benker, Nathalie ; Roth, Christina ; Fuess, Hartmut:
Structural and electrochemical investigation of binary mixtures of carbon-supported Pt and Ru catalysts for PEM fuel cells.
In: Fuel Cells. Vol. 6 (2006) Issue 3/4 . - pp. 208-213.

Benker, Nathalie ; Roth, Christina ; Mazurek, Marian ; Fuess, Hartmut:
Synthesis and characterisation of ternary Pt/Ru/Mo catalysts for the anode of the PEM fuel cell.
In: Journal of New Materials for Electrochemical Systems. Vol. 9 (2006) Issue 2 . - pp. 121-126.

2005

Martz, N. ; Roth, Christina ; Fuess, H.:
Characterization of different Pt/Metal/Complex catalysts as anode catalysts for the PEM fuel cell.
In: Journal of Applied Electrochemistry. Vol. 35 (2005) Issue 1 . - pp. 85-90.
DOI: https://doi.org/10.1007/s10800-004-4059-9

Roth, Christina ; Benker, Nathalie ; Buhrmester, Thorsten ; Mazurek, Marian ; Loster, Matthias ; Fuess, Hartmut ; Koningsberger, Diederik C. ; Ramaker, David E.:
Determination of O[H] and CO Coverage and Adsorption Sites on PtRu Electrodes in an Operating PEM Fuel Cell.
In: Journal of the American Chemical Society. Vol. 127 (2005) Issue 42 . - pp. 14607-14615.
DOI: https://doi.org/10.1021/ja050139f

Roth, Christina ; Benker, Nathalie ; Mazurek, Marian ; Scheiba, Frieder ; Fuess, Hartmut:
Development of an In-Situ Cell for X-ray Absorption Measurements During Fuel Cell Operation.
In: Advanced Engineering Materials. Vol. 7 (2005) Issue 10 . - pp. 952-956.
DOI: https://doi.org/10.1002/adem.200500122

Roth, Christina ; Papworth, Adam J. ; Hussain, Irshad ; Nichols, Richard J. ; Schiffrin, David J.:
A Pt/Ru nanoparticulate system to study the bifunctional mechanism of electrocatalysis.
In: Journal of Electroanalytical Chemistry. Vol. 581 (2005) Issue 1 . - pp. 79-85.
DOI: https://doi.org/10.1016/j.jelechem.2005.04.014

2004

Roth, Christina ; Martz, Nathalie ; Fuess, Hartmut:
Challenges in the structural characterization of nanodispersed catalytic materials.
In: Journal of New Materials for Electrochemical Systems. Vol. 7 (2004) Issue 2 . - pp. 117-123.

Roth, Christina ; Hussain, I. ; Bayati, M. ; Nichols, R. J. ; Schiffrin, David J.:
Fullerene-linked Pt nanoparticle assemblies.
In: Chemical Communications. (2004) Issue 13 . - pp. 1532-1533.
DOI: https://doi.org/10.1039/B404257C

Roth, Christina ; Martz, Nathalie ; Morlang, Alexander ; Theissmann, Ralf ; Fuess, Hartmut:
X-ray absorption studies on alloy formation in different carbon-supported Pt-Ru electrocatalysts.
In: Physical Chemistry Chemical Physics. Vol. 6 (2004) Issue 13 . - pp. 3557-3562.
DOI: https://doi.org/10.1039/B400763H

Roth, Christina ; Martz, N. ; Fuess, H.:
An X-ray diffraction and transmission electron microscopy study of Pt–Ru fuel cell catalysts before and after operation.
In: Journal of Applied Electrochemistry. Vol. 34 (2004) Issue 3 . - pp. 345-348.
DOI: https://doi.org/10.1023/B:JACH.0000015674.49162.3f

2003

Franco, E. G. ; Aricó, E. ; Linardi, M. ; Roth, Christina ; Martz, N. ; Fuess, Hartmut:
Synthesis and Characterization of Eletrocatalyst Powders for Application in PEM Fuel Cells.
In: Materials Science Forum. Vol. 416-418 (2003) . - pp. 4-10.
DOI: https://doi.org/10.4028/www.scientific.net/MSF.416-418.4

2002

Roth, Christina ; Martz, N. ; Hahn, F. ; Léger, J.-M. ; Lamy, C. ; Fuess, H.:
Characterization of Differently Synthesized Pt-Ru Fuel Cell Catalysts by Cyclic Voltammetry, FTIR Spectroscopy, and in Single Cells.
In: Journal of the Electrochemical Society. Vol. 149 (2002) Issue 11 . - S. E433-E439.
DOI: https://doi.org/10.1149/1.1511191

Roth, Christina ; Martz, Nathalie ; Buhrmester, Thorsten ; Scherer, Joachim ; Fuess, Hartmut:
In-situ XAFS fuel cell measurements of a carbon-supported Pt–Ru anode electrocatalyst in hydrogen and direct methanol operation.
In: Physical Chemistry Chemical Physics. Vol. 4 (2002) Issue 15 . - pp. 3555-3557.
DOI: https://doi.org/10.1039/B204293B

2001

Roth, Christina ; Martz, Nathalie ; Fuess, Hartmut:
Characterization of different Pt–Ru catalysts by X-ray diffraction and transmission electron microscopy.
In: Physical Chemistry Chemical Physics. Vol. 3 (2001) Issue 3 . - pp. 315-319.
DOI: https://doi.org/10.1039/B004887I

Roth, Christina ; Goetz, M. ; Fuess, H.:
Synthesis and characterization of carbon-supported Pt-Ru-WOx catalysts by spectroscopic and diffraction methods.
In: Journal of Applied Electrochemistry. Vol. 31 (2001) Issue 7 . - pp. 793-798.
DOI: https://doi.org/10.1023/A:1017585901064

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Institutions of the University of BayreuthFaculties > Faculty of Engineering Science > Chair Electrochemical Process Engineering > Chair Electrochemical Process Engineering - Univ.-Prof. Dr. Christina Roth