// PD Dr. rer. nat. Thomas Waldmann

Research Departments

Accumulators Materials Research (ECM)

Contact

+49 731 9530-212

Career

04/2024: Habilitation as private lecturer, ZSW / University of Ulm

Since 09/2022: Team Leader Post-Mortem Analyses and Ageing Mechanisms, Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW), Ulm & Principal Investigator (PI) Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU)

Since 01/2018: Team leader Post-Mortem analysis and aging mechanisms, Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg (ZSW), Dr. Wohlfahrt-Mehrens’ group, Ulm

08/2011: up to 12/2017: Scientist / project manager, Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg (ZSW), Dr. Wohlfahrt-Mehrens’ group, Ulm

09/2007 up to 08/2011: Phd student, Institute of Surface Chemistry and Catalysis, Prof. Behm, Ulm University

Fields of activity

Lithium-ion batteries, Sodium-ion batteries, aging mechanisms, Post-Mortem analysis, material characterization, Lithium deposition, Lithium plating, SEI growth, method development, anode potentials, 3-electrode full cells, reference electrode, accelerated rate calorimetry (ARC) tests, DSC/TG/MS, operando temperature measurements in Li-ion cells, cell modification, improvement of life-time, improvement of safety, influence of operating parameters or battery ageing, 2nd life ageing, fast charging.

Selection of Publications

  • 'Evaluation of commercial 18650 and 26700 sodium-ion cells and comparison with well-established lithium-ion cells', K. Bischof, V. Marangon, M. Kasper, A. Aracil Regalado, M. Wohlfahrt-Mehrens, M. Hölzle, D. Bresser, T. Waldmann, J. Power Sources Advances 27 (2024) 100148, https://doi.org/10.1016/j.powera.2024.100148
  • 'Direct observation of internal short circuits by lithium dendrites in cross-sectional lithium-ion in situ full cells', C. Hogrefe , T. Waldmann, M. Hölzle, M. Wohlfahrt-Mehrens, J. Power Sources 556 (2023) 232391.
  • https://doi.org/10.1016/j.jpowsour.2022.232391
  • 'Li plating as unwanted side reaction in commercial Li-ion cells – A review', T. Waldmann, B.-I. Hogg, M. Wohlfahrt-Mehrens, J. Power Sources 384 (2018) 107, 10.1016/j.jpowsour.2018.02.063
  • 'Review — Post-Mortem Analysis of Aged Lithium-Ion Batteries: Disassembly Methodology and Physico-Chemical Analysis Techniques', T. Waldmann, A. Iturrondobeitia, M. Kasper, N. Ghanbari, F. Aguesse, E. Bekaert, L. Daniel, S. Genies, I. Jimenez Gordon, M.W. Löble, E. De Vito, M. Wohlfahrt-Mehrens, J. Electrochem. Soc. 163, A2149-A2164, 2016.  http://dx.doi.org/10.1149/2.1211609jes
  • 'Detection of Li Deposition by Glow Discharge Optical Emission Spectroscopy in Post-Mortem Analysis', N. Ghanbari, T. Waldmann, M. Kasper, P. Axmann, M. Wohlfahrt-Mehrens, ECS Electrochem. Lett. 4 (9), A100-A102, 2015. http://dx.doi.org/10.1149/2.0041509eel
  • Electrochemical, Post-Mortem, and ARC Analysis of Li-Ion Cell Safety in Second-Life Applications', T. Waldmann, J.B. Quinn, K. Richter, M. Kasper, A. Tost, A. Klein, M. Wohlfahrt-Mehrens, Electrochim. Acta 230 (2017) 454, 10.1149/2.0961713jes
  • ''Temperature dependent ageing mechanisms in Lithium-ion batteries–A Post-Mortem study', T. Waldmann, M. Wilka, M. Kasper, M. Fleischhammer, M. Wohlfahrt-Mehrens, J. Power Sources 262, 129-135, 2014.http://dx.doi.org/10.1016/j.jpowsour.2014.03.112

Publication list

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