Institutionen der Universität Bayreuth
Lehrstuhl Systemtechnik elektrischer Energiespeicher - Univ.-Prof. Dr. Jan Philipp Schmidt

Günther, Jonas ; Wycisk, Dominik ; Siva Dev, Rabin ; Fill, Alexander ; Birke, Kai Peter ; Moos, Ralf ; Schmidt, Jan Philipp ; Oldenburger, Marc:
Determination of the Solid State Diffusion Coefficient of Li-ion Battery Single-Phase Materials Using Thin Model Electrodes.
In: Journal of the Electrochemical Society. Bd. 172 (2025) Heft 3 . - 030525.
DOI: https://doi.org/10.1149/1945-7111/adbfc5

Hofmann, Tobias ; Hamar, Jacob ; Mager, Bastian ; Erhard, Simon ; Schmidt, Jan Philipp:
Physics-constrained transfer learning: Open-circuit voltage curve reconstruction and degradation mode estimation of lithium-ion batteries.
In: Energy and AI. Bd. 20 (2025) . - 100493.
DOI: https://doi.org/10.1016/j.egyai.2025.100493

Maradesa, Adeleke ; Py, Baptiste ; Huang, Jake ; Lu, Yang ; Iurilli, Pietro ; Mrozinski, Aleksander ; Law, Ho Mei ; Wang, Yuhao ; Wang, Zilong ; Li, Jingwei ; Xu, Shengjun ; Meyer, Quentin ; Liu, Jiapeng ; Brivio, Claudio ; Gavrilyuk, Alexander ; Kobayashi, Kiyoshi ; Bertei, Antonio ; Williams, Nicholas J. ; Zhao, Chuan ; Danzer, Michael A. ; Zic, Mark ; Wu, Phillip ; Yrjänä, Ville ; Pereverzyev, Sergei ; Chen, Yuhui ; Weber, André ; Kalinin, Sergei V. ; Schmidt, Jan Philipp ; Tsur, Yoed ; Boukamp, Bernard A. ; Zhang, Qiang ; Gaberšček, Miran ; O’Hayre, Ryan ; Ciucci, Francesco:
Advancing electrochemical impedance analysis through innovations in the distribution of relaxation times method.
In: Joule. Bd. 8 (2024) Heft 7 . - S. 1958-1981.
DOI: https://doi.org/10.1016/j.joule.2024.05.008

Hofmann, Tobias ; Li, Jiahao ; Hamar, Jacob ; Erhard, Simon ; Schmidt, Jan Philipp:
The ΔQ-method : State of health and degradation mode estimation for lithium-ion batteries using a mechanistic model with relaxed voltage points.
In: Journal of Power Sources. Bd. 596 (2024) . - 234107.
DOI: https://doi.org/10.1016/j.jpowsour.2024.234107

Plank, Christian ; Rüther, Tom ; Jahn, Leonard ; Schamel, Maximilian ; Schmidt, Jan Philipp ; Ciucci, Francesco ; Danzer, Michael A.:
A review on the distribution of relaxation times analysis : A powerful tool for process identification of electrochemical systems.
In: Journal of Power Sources. Bd. 594 (2024) . - 233845.
DOI: https://doi.org/10.1016/j.jpowsour.2023.233845

Hofmann, Tobias ; Hamar, Jacob ; Mager, Bastian ; Erhard, Simon ; Schmidt, Jan Philipp:
Transfer learning from synthetic data for open-circuit voltage curve reconstruction and state of health estimation of lithium-ion batteries from partial charging segments.
In: Energy and AI. Bd. 17 (2024) . - 100382.
DOI: https://doi.org/10.1016/j.egyai.2024.100382

Schmitt, Julius ; Kraft, Benjamin ; Schmidt, Jan Philipp ; Meir, Betina ; Elian, Klaus ; Ensling, David ; Keser, Goran ; Jossen, Andreas:
Measurement of gas pressure inside large-format prismatic lithium-ion cells during operation and cycle aging.
In: Journal of Power Sources. Bd. 478 (2020) . - 228661.
DOI: https://doi.org/10.1016/j.jpowsour.2020.228661

Tatara, Ryoichi ; Karayaylali, Pinar ; Yu, Yang ; Zhang, Yirui ; Giordano, Livia ; Maglia, Filippo ; Jung, Roland ; Schmidt, Jan Philipp ; Lund, Isaac ; Shao-Horn, Yang:
The Effect of Electrode-Electrolyte Interface on the Electrochemical Impedance Spectra for Positive Electrode in Li-Ion Battery.
In: Journal of the Electrochemical Society. Bd. 166 (2019) Heft 3 . - A5090-A5098.
DOI: https://doi.org/10.1149/2.0121903JES

Seifert, Jonas ; Schmidt, Jan Philipp:
A Novel Impedance-based Method for Structural Monitoring of Automotive Lithium-Ion Battery Packs.
In: Chang, Fu-Kuo ; Güemes, Alfredo ; Kopsaftopoulos, Fotis (Hrsg.): Structural Health Monitoring 2019 : enabling intelligent life-cycle health management for Industry Internet of Things (IIOT). - Lancaster, USA : DEStech Publications, 2019
DOI: https://doi.org/10.12783/shm2019/32212

Antonopoulos, Byron K. ; Maglia, Filippo ; Schmidt-Stein, Felix ; Schmidt, Jan Philipp ; Hoster, Harry E.:
Formation of the Solid Electrolyte Interphase at Constant Potentials : a Model Study on Highly Oriented Pyrolytic Graphite.
In: Batteries & Supercaps. Bd. 1 (2018) Heft 3 . - S. 96.
DOI: https://doi.org/10.1002/batt.201800064

Schmidt, Jan Philipp ; Hammerschmidt, Thomas:
Impedanzsensorik für Batteriezellen in Elektro-Fahrzeugen.
In: Tille, Thomas (Hrsg.): Automobil-Sensorik 2 : Systeme, Technologien und Applikationen. - Berlin ; Heidelberg : Springer Vieweg, 2018 . - S. 99-126
DOI: https://doi.org/10.1007/978-3-662-56310-6_5

Schmidt, Jan Philipp ; Dandl, Sonia ; Gentschev, Ann-Christin ; Elian, Klaus ; Rose, Matthias:
Integrierte Zell-Sensorik in Lithium-Ionen-Akkus für Elektro- und Hybridfahrzeuge.
In: Tille, Thomas (Hrsg.): Automobil-Sensorik : ausgewählte Sensorprinzipien und deren automobile Anwendung. - Berlin ; Heidelberg : Springer Vieweg, 2016 . - S. 21-44
DOI: https://doi.org/10.1007/978-3-662-48944-4_1

Schmidt, Jan Philipp ; Ivers-Tiffée, Ellen:
Pulse-fitting : A novel method for the evaluation of pulse measurements, demonstrated for the low frequency behavior of lithium-ion cells.
In: Journal of Power Sources. Bd. 315 (2016) . - S. 316-323.
DOI: https://doi.org/10.1016/J.JPOWSOUR.2016.03.026

Schmidt, Jan Philipp ; Weber, André ; Ivers-Tiffée, Ellen:
A novel and fast method of characterizing the self-discharge behavior of lithium-ion cells using a pulse-measurement technique.
In: Journal of Power Sources. Bd. 274 (2015) . - S. 1231-1238.
DOI: https://doi.org/10.1016/J.JPOWSOUR.2014.10.163

Stiaszny, Barbara ; Ziegler, Jörg C. ; Krauß, Elke E. ; Schmidt, Jan Philipp ; Ivers-Tiffée, Ellen:
Electrochemical characterization and post-mortem analysis of aged LiMn₂O₄–Li(Ni₀.₅Mn₀.₃Co₀.₂)O₂/graphite lithium ion batteries. Part I. Cycle aging.
In: Journal of Power Sources. Bd. 251 (2014) . - S. 439-450.
DOI: https://doi.org/10.1016/j.jpowsour.2013.11.080

Stiaszny, Barbara ; Ziegler, Jörg C. ; Krauß, Elke E. ; Zhang, Mengjia ; Schmidt, Jan Philipp ; Ivers-Tiffée, Ellen:
Electrochemical characterization and post-mortem analysis of aged LiMn₂O₄–NMC/graphite lithium ion batteries. Part II. Calendar aging.
In: Journal of Power Sources. Bd. 258 (2014) . - S. 61-75.
DOI: https://doi.org/10.1016/j.jpowsour.2014.02.019

Schmidt, Jan Philipp ; Weber, André ; Ivers-Tiffée, Ellen:
A novel and precise measuring method for the entropy of lithium-ion cells : ΔS via electrothermal impedance spectroscopy.
In: Electrochimica Acta. Bd. 137 (2014) . - S. 311-319.
DOI: https://doi.org/10.1016/j.electacta.2014.05.153

Klotz, Dino ; Schmidt, Jan Philipp ; Weber, André ; Ivers-Tiffée, Ellen:
Performance model for large area solid oxide fuel cells.
In: Journal of Power Sources. Bd. 259 (2014) . - S. 65-75.
DOI: https://doi.org/10.1016/j.jpowsour.2014.02.028

Schmidt, Jan Philipp ; Tran, Hai Yen ; Richter, Jan ; Ivers-Tiffée, Ellen ; Wohlfahrt-Mehrens, Margret:
Analysis and prediction of the open circuit potential of lithium-ion cells.
In: Journal of Power Sources. Bd. 239 (2013) . - S. 696-704.
DOI: https://doi.org/10.1016/j.jpowsour.2012.11.101

Schmidt, Jan Philipp ; Berg, Philipp ; Schönleber, Michael ; Weber, André ; Ivers-Tiffée, Ellen:
The distribution of relaxation times as basis for generalized time-domain models for Li-ion batteries.
In: Journal of Power Sources. Bd. 221 (2013) . - S. 70-77.
DOI: https://doi.org/10.1016/j.jpowsour.2012.07.100

Schmidt, Jan Philipp ; Arnold, Stefan ; Loges, André ; Werner, Daniel ; Wetzel, Thomas ; Ivers-Tiffée, Ellen:
Measurement of the internal cell temperature via impedance : Evaluation and application of a new method.
In: Journal of Power Sources. Bd. 243 (2013) . - S. 110-117.
DOI: https://doi.org/10.1016/j.jpowsour.2013.06.013

Illig, Jörg ; Schmidt, Jan Philipp ; Weiss, Michael ; Weber, André ; Ivers-Tiffée, Ellen:
Understanding the impedance spectrum of 18650 LiFePO₄-cells.
In: Journal of Power Sources. Bd. 239 (2013) . - S. 670-679.
DOI: https://doi.org/10.1016/j.jpowsour.2012.12.020

Schmidt, Jan Philipp:
Verfahren zur Charakterisierung und Modellierung von Lithium-Ionen Zellen.
Karlsruhe : KIT Scientific Publishing , 2013 . - (Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie ; 25 )
( Dissertation, 2013 , Karlsruhe Institut für Technologie; Fakultät für Elektrotechnik und Informationstechnik; Institut für Werkstoffe der Elektrotechnik (IWE))
DOI: https://doi.org/10.5445/KSP/1000036622

Schmidt, Jan Philipp ; Richter, Jan ; Klotz, Dino ; Ivers-Tiffée, Ellen:
Beneficial Use of a Virtual Reference Electrode for the Determination of SOC Dependent Half Cell Potentials.
In: ECS Transactions. Bd. 41 (2012) Heft 14 . - S. 1-8.
DOI: https://doi.org/10.1149/1.3684800

Klotz, Dino ; Schmidt, Jan Philipp ; Kromp, Alexander ; Weber, André ; Ivers-Tiffée, Ellen:
The Distribution of Relaxation Times as Beneficial Tool for Equivalent Circuit Modeling of Fuel Cells and Batteries.
In: ECS Transactions. Bd. 41 (2012) Heft 28 . - S. 25-33.
DOI: https://doi.org/10.1149/1.3692958

Illig, Jörg ; Ender, Moses ; Chrobak, Thorsten ; Schmidt, Jan Philipp ; Klotz, Dino ; Ivers-Tiffée, Ellen:
Separation of Charge Transfer and Contact Resistance in LiFePO₄-Cathodes by Impedance Modeling.
In: Journal of the Electrochemical Society. Bd. 159 (2012) Heft 7 . - A952-A960.
DOI: https://doi.org/10.1149/2.030207jes

Schmidt, Jan Philipp ; Manka, Daniel ; Klotz, Dino ; Ivers-Tiffée, Ellen:
Investigation of the thermal properties of a Li-ion pouch-cell by electrothermal impedance spectroscopy.
In: Journal of Power Sources. Bd. 196 (2011) Heft 19 . - S. 8140-8146.
DOI: https://doi.org/10.1016/j.jpowsour.2011.05.047

Klotz, Dino ; Schönleber, Michael ; Schmidt, Jan Philipp ; Ivers-Tiffée, Ellen:
New approach for the calculation of impedance spectra out of time domain data.
In: Electrochimica Acta. Bd. 56 (2011) Heft 24 . - S. 8763-8769.
DOI: https://doi.org/10.1016/j.electacta.2011.07.096

Schmidt, Jan Philipp ; Chrobak, Thorsten ; Ender, Moses ; Illig, Jörg ; Klotz, Dino ; Ivers-Tiffée, Ellen:
Studies on LiFePO₄ as cathode material using impedance spectroscopy.
In: Journal of Power Sources. Bd. 196 (2011) Heft 12 . - S. 5342-5348.
DOI: https://doi.org/10.1016/j.jpowsour.2010.09.121

Illig, Jörg ; Chrobak, Thorsten ; Ender, Moses ; Schmidt, Jan Philipp ; Klotz, Dino ; Ivers-Tiffée, Ellen:
Studies on LiFePO₄ as Cathode Material in Li-Ion Batteries.
In: ECS Transactions. Bd. 28 (2010) Heft 30 . - S. 3-17.
DOI: https://doi.org/10.1149/1.3505456