Institutionen der Universität Bayreuth
Lehrstuhl Ökologische Ressourcentechnologie - Univ.-Prof. Dr.-Ing. Christoph Helbig

Hool, Alessandra ; Helbig, Christoph ; Wierink, Gijsbert:
Challenges and opportunities of the European Critical Raw Materials Act.
In: Mineral Economics. Bd. 37 (2024) . - S. 661-668.
DOI: https://doi.org/10.15495/EPub_UBT_00007275

Gramlich, Alexander ; Helbig, Christoph ; Schmidt, Moritz ; Hagedorn, Wiebke:
A comprehensive design approach to increase the performance of steels under minimal costs and environmental impacts.
In: Sustainable Materials and Technologies. Bd. 41 (2024) . - e01040.
DOI: https://doi.org/10.15495/EPub_UBT_00007911

Hillenbrand, Martin ; Helbig, Christoph ; Marschall, Roland:
Supply risk considerations for photoelectrochemical water splitting materials.
In: Energy & Environmental Science. Bd. 17 (2024) Heft 7 . - S. 2369-2380.
DOI: https://doi.org/10.15495/EPub_UBT_00007591

Erakca, Merve ; Baumann, Manuel ; Helbig, Christoph ; Weil, Marcel:
Systematic review of scale-up methods for prospective Life Cycle Assessment of emerging technologies.
In: Journal of Cleaner Production. Bd. 451 (2024) . - 142161.
DOI: https://doi.org/10.15495/EPub_UBT_00007683

Charpentier Poncelet, Alexandre ; Helbig, Christoph ; Loubet, Philippe ; Beylot, Antoine ; Muller, Stéphanie ; Villeneuve, Jacques ; Laratte, Bertrand ; Thorenz, Andrea ; Tuma, Axel ; Sonnemann, Guido:
Losses and lifetimes of metals in the economy.
In: Nature Sustainability. Bd. 5 (2022) . - S. 717-726.
DOI: https://doi.org/10.1038/s41893-022-00895-8

Charpentier Poncelet, Alexandre ; Loubet, Philippe ; Helbig, Christoph ; Beylot, Antoine ; Muller, Stéphanie ; Villeneuve, Jacques ; Laratte, Bertrand ; Thorenz, Andrea ; Tuma, Axel ; Sonnemann, Guido:
Midpoint and endpoint characterization factors for mineral resource dissipation: methods and application to 6000 data sets.
In: The International Journal of Life Cycle Assessment. Bd. 27 (2022) . - S. 1180-1198.
DOI: https://doi.org/10.15495/EPub_UBT_00006705

Helbig, Christoph ; Kondo, Yasushi ; Nakamura, Shinichiro:
Simultaneously tracing the fate of seven metals at a global level with MaTrace‐multi.
In: Journal of Industrial Ecology. Bd. 26 (2022) Heft 3 . - S. 923-936.
DOI: https://doi.org/10.1111/JIEC.13219

Helbig, Christoph ; Huether, Jonas ; Joachimsthaler, Charlotte ; Lehmann, Christian ; Raatz, Simone ; Thorenz, Andrea ; Faulstich, Martin ; Tuma, Axel:
A terminology for downcycling.
In: Journal of Industrial Ecology. Bd. 26 (2022) Heft 4 . - S. 1164-1174.
DOI: https://doi.org/10.15495/EPub_UBT_00006399

Santillán‐Saldivar, Jair ; Gaugler, Tobias ; Helbig, Christoph ; Rathgeber, Andreas ; Sonnemann, Guido ; Thorenz, Andrea ; Tuma, Axel:
Design of an endpoint indicator for mineral resource supply risks in life cycle sustainability assessment : The case of Li‐ion batteries.
In: Journal of Industrial Ecology. Bd. 25 (2021) Heft 4 . - S. 1051-1062.
DOI: https://doi.org/10.1111/jiec.13094

Charpentier Poncelet, Alexandre ; Helbig, Christoph ; Loubet, Philippe ; Beylot, Antoine ; Muller, Stéphanie ; Villeneuve, Jacques ; Laratte, Bertrand ; Thorenz, Andrea ; Tuma, Axel ; Sonnemann, Guido:
Life cycle impact assessment methods for estimating the impacts of dissipative flows of metals.
In: Journal of Industrial Ecology. Bd. 25 (2021) Heft 5 . - S. 1177-1193.
DOI: https://doi.org/10.1111/JIEC.13136

Helbig, Christoph ; Bruckler, Martin ; Thorenz, Andrea ; Tuma, Axel:
An Overview of Indicator Choice and Normalization in Raw Material Supply Risk Assessments.
In: Resources. Bd. 10 (2021) Heft 8 . - 79.
DOI: https://doi.org/10.3390/resources10080079

Helbig, Christoph ; Schrijvers, Dieuwertje ; Hool, Alessandra:
Selecting and prioritizing material resources by criticality assessments.
In: One Earth. Bd. 4 (2021) Heft 3 . - S. 339-345.
DOI: https://doi.org/10.1016/j.oneear.2021.02.006

Watari, Takuma ; Nansai, Keisuke ; Giurco, Damien ; Nakajima, Kenichi ; McLellan, Benjamin ; Helbig, Christoph:
Global Metal Use Targets in Line with Climate Goals.
In: Environmental Science & Technology. Bd. 54 (2020) Heft 19 . - S. 12476-12483.
DOI: https://doi.org/10.1021/acs.est.0c02471

Sonderegger, Thomas ; Berger, Markus ; Alvarenga, Rodrigo ; Bach, Vanessa ; Cimprich, Alexander ; Dewulf, Jo ; Frischknecht, Rolf ; Guinée, Jeroen ; Helbig, Christoph ; Huppertz, Tom ; Jolliet, Olivier ; Motoshita, Masaharu ; Northey, Stephen ; Rugani, Benedetto ; Schrijvers, Dieuwertje ; Schulze, Rita ; Sonnemann, Guido ; Valero, Alicia ; Weidema, Bo ; Young, Steven B.:
Mineral resources in life cycle impact assessment: part I - a critical review of existing methods.
In: The International Journal of Life Cycle Assessment. Bd. 25 (2020) Heft 4 . - S. 784-797.
DOI: https://doi.org/10.1007/S11367-020-01736-6

Berger, Markus ; Sonderegger, Thomas ; Alvarenga, Rodrigo ; Bach, Vanessa ; Cimprich, Alexander ; Dewulf, Jo ; Frischknecht, Rolf ; Guinée, Jeroen ; Helbig, Christoph ; Huppertz, Tom ; Jolliet, Olivier ; Motoshita, Masaharu ; Northey, Stephen ; Peña, Claudia A. ; Rugani, Benedetto ; Sahnoune, Abdelhadi ; Schrijvers, Dieuwertje ; Schulze, Rita ; Sonnemann, Guido ; Valero, Alicia ; Weidema, Bo ; Young, Steven B.:
Mineral resources in life cycle impact assessment: part II – recommendations on application-dependent use of existing methods and on future method development needs.
In: The International Journal of Life Cycle Assessment. Bd. 25 (2020) Heft 4 . - S. 798-813.
DOI: https://doi.org/10.1007/S11367-020-01737-5

Helbig, Christoph ; Thorenz, Andrea ; Tuma, Axel:
Quantitative assessment of dissipative losses of 18 metals.
In: Resources, Conservation & Recycling. Bd. 153 (2020) . - 104537.
DOI: https://doi.org/10.1016/j.resconrec.2019.104537

Helbig, Christoph ; Bradshaw, Alex M. ; Thorenz, Andrea ; Tuma, Axel:
Supply Risk Considerations for the Elements in Nickel-Based Superalloys.
In: Resources. Bd. 9 (2020) Heft 9 . - 106.
DOI: https://doi.org/10.3390/resources9090106

Helbig, Christoph ; Bradshaw, Alex M. ; Wietschel, Lars ; Thorenz, Andrea ; Tuma, Axel:
Corrigendum to "Supply risks associated with lithium-ion battery materials" J. Clean. Prod. 172 (2018) 274-286.
In: Journal of Cleaner Production. Bd. 221 (2019) . - S. 899-903.
DOI: https://doi.org/10.1016/j.jclepro.2019.03.062

Messmann, Lukas ; Helbig, Christoph ; Thorenz, Andrea ; Tuma, Axel:
Economic and environmental benefits of recovery networks for WEEE in Europe.
In: Journal of Cleaner Production. Bd. 222 (2019) . - S. 655-668.
DOI: https://doi.org/10.1016/j.jclepro.2019.02.244

Cimprich, Alexander ; Bach, Vanessa ; Helbig, Christoph ; Thorenz, Andrea ; Schrijvers, Dieuwertje ; Sonnemann, Guido ; Young, Steven B. ; Sonderegger, Thomas ; Berger, Markus:
Raw material criticality assessment as a complement to environmental life cycle assessment : Examining methods for product‐level supply risk assessment.
In: Journal of Industrial Ecology. Bd. 23 (2019) Heft 5 . - S. 1226-1236.
DOI: https://doi.org/10.1111/jiec.12865

Kolotzek, Christoph ; Helbig, Christoph ; Thorenz, Andrea ; Reller, Armin ; Tuma, Axel:
A company-oriented model for the assessment of raw material supply risks, environmental impact and social implications.
In: Journal of Cleaner Production. Bd. 176 (2018) . - S. 566-580.
DOI: https://doi.org/10.1016/j.jclepro.2017.12.162

Helbig, Christoph ; Bradshaw, Alex M. ; Wietschel, Lars ; Thorenz, Andrea ; Tuma, Axel:
Supply risks associated with lithium-ion battery materials.
In: Journal of Cleaner Production. Bd. 172 (2018) . - S. 274-286.
DOI: https://doi.org/10.1016/j.jclepro.2017.10.122

Hutner, Petra ; Helbig, Christoph ; Stindt, Dennis ; Thorenz, Andrea ; Tuma, Axel:
Transdisciplinary Development of a Life Cycle-Based Approach to Measure and Communicate Waste Prevention Effects in Local Authorities.
In: Journal of Industrial Ecology. Bd. 22 (2018) Heft 5 . - S. 1050-1065.
DOI: https://doi.org/10.1111/jiec.12781

Helbig, Christoph ; Kolotzek, Christoph ; Thorenz, Andrea ; Reller, Armin ; Tuma, Axel ; Schafnitzel, Mario ; Krohns, Stephan:
Benefits of resource strategy for sustainable materials research and development.
In: Sustainable Materials and Technologies. Bd. 12 (2017) . - S. 1-8.
DOI: https://doi.org/10.1016/j.susmat.2017.01.004

Cimprich, Alexander ; Young, Steven B. ; Helbig, Christoph ; Gemechu, Eskinder D. ; Thorenz, Andrea ; Tuma, Axel ; Sonnemann, Guido:
Extension of geopolitical supply risk methodology : Characterization model applied to conventional and electric vehicles.
In: Journal of Cleaner Production. Bd. 162 (2017) . - S. 754-763.
DOI: https://doi.org/10.1016/j.jclepro.2017.06.063

Helbig, Christoph ; Gemechu, Eskinder D. ; Pillain, Baptiste ; Young, Steven B. ; Thorenz, Andrea ; Tuma, Axel ; Sonnemann, Guido:
Extending the geopolitical supply risk indicator : Application of life cycle sustainability assessment to the petrochemical supply chain of polyacrylonitrile-based carbon fibers.
In: Journal of Cleaner Production. Bd. 137 (2016) . - S. 1170-1178.
DOI: https://doi.org/10.1016/j.jclepro.2016.07.214

Helbig, Christoph ; Wietschel, Lars ; Thorenz, Andrea ; Tuma, Axel:
How to evaluate raw material vulnerability : An overview.
In: Resources Policy. Bd. 48 (2016) . - S. 13-24.
DOI: https://doi.org/10.1016/j.resourpol.2016.02.003

Gemechu, Eskinder D. ; Helbig, Christoph ; Sonnemann, Guido ; Thorenz, Andrea ; Tuma, Axel:
Import-based Indicator for the Geopolitical Supply Risk of Raw Materials in Life Cycle Sustainability Assessments.
In: Journal of Industrial Ecology. Bd. 20 (2016) Heft 1 . - S. 154-165.
DOI: https://doi.org/10.1111/jiec.12279

Helbig, Christoph ; Bradshaw, Alex M. ; Kolotzek, Christoph ; Thorenz, Andrea ; Tuma, Axel:
Supply risks associated with CdTe and CIGS thin-film photovoltaics.
In: Applied Energy. Bd. 178 (2016) . - S. 422-433.
DOI: https://doi.org/10.1016/j.apenergy.2016.06.102

Achzet, Benjamin ; Helbig, Christoph:
How to evaluate raw material supply risks : an overview.
In: Resources Policy. Bd. 38 (2013) Heft 4 . - S. 435-447.
DOI: https://doi.org/10.1016/j.resourpol.2013.06.003

Helbig, Christoph ; Hillenbrand, Martin:
Principles of a Circular Economy for Batteries.
In: Passerini, Stefano ; Barelli, Linda ; Baumann, Manuel ; Peters, Jens ; Weil, Marcel (Hrsg.): Emerging Battery Technologies to Boost the Clean Energy Transition. Cost, Sustainability, and Performance Analysis. - Cham : Springer, 2024 . - S. 13-25 . - (The Materials Research Society Series )
DOI: https://doi.org/10.15495/EPub_UBT_00007521

Bensch, Stefan ; Kolotzek, Christoph ; Helbig, Christoph ; Thorenz, Andrea ; Tuma, Axel:
Decision Support System for the Sustainability Assessment of Critical Raw Materials in SMEs.
In: 48th Hawaii International Conference on System Sciences. - Piscataway, NJ : IEEE, 2015 . - S. 846-855
DOI: https://doi.org/10.1109/HICSS.2015.107