Simon Helmer

Publications

Helmer, S.; Morasch, R.; Keilhofer, J.; Gasteiger, H. A.; Suthar, B. / LiC₆ Phase Mobility in Highly Oriented Pyrolytic Graphite / J. Electrochem. Soc., 2025, 172, 050535 (Open Access) - DOI

Friedrich, S; Helmer, S; Reuter, L; Dickmanns, J. L. S.; Durdel, A.; Jossen, A. / Effect of Mechanical Pressure on Rate Capability, Lifetime, and Expansion in Multilayer Pouch Cells with Silicon-Dominant Anodes / J. Electrochem. Soc., 2024 171, 09503 - DOI

Friedrich, S.; Stojecevic, S.; Rapp, P.; Helmer, S.; Bock, M.; Durdel, A.; Gasteiger, H. A. and Jossen, A. / Effect of Mechanical Pressure on Lifetime, Expansion, and Porosity of Silicon-Dominant Anodes in Laboratory Lithium-Ion Cells / J. Electrochem. Soc., 2024, 171, 050540 - DOI

Katzenmeier, L; Helmer, S; Braxmeier, S; Knobbe, E; Bandarenka, A. S. / Properties of the Space Charge Layers Formed in Li-Ion Conducting Glass Ceramics / ACS Applied Materials & Interfaces, 2021 - DOI

Conference Presentations

Helmer, S; Dickmann, J. L. S.; Morasch, R; Gasteiger, H. A. / Investigating the Influence of the Electrical Resistance in Porous Silicon Electrodes using Electrochemical Impedance Spectroscopy, poster presentation, IBA Annual Meeting 2024, Halifax, 2024.

Helmer, S; Morasch, R.; Rapp, P.; Friedrich, S.; Gasteiger, H. A. / Deconvolution of a SoC- and SoH-dependent Contact Resistance in a Multilayer Pouch Cell using Impedance Spectroscopy, oral presentation, 243rd ECS Meeting, Boston, 2023.

Helmer, S; Morasch, R; Gasteiger, H. A.; Suthar, B. / LiC₆ Phase Mobility in Highly Oriented Pyrolytic Graphite (HOPG), oral presentation, 242nd ECS Meeting,
Atlanta, 2022.

Work experience:

3/2019–8/2018: Research Assistant at the Chair of Energy Conversion and Storage (Prof. Bandarenka): Development of a temperature controlled setup for impedance spectroscopy measurement.

5/2018–6/2018: Research Assistant at the Chair of Biomedical Physics (Prof. Pfeiffer): Contrast-enhancing X-ray microscopy materials for soft tissue.

9/2016–4/2018: Student Job in Knowledge Management at Siemens Consulting, Siemens AG.

Education:

8/2018–12/2018: Visiting student at Norwegian University of Science and Technology (NTNU), Trondheim: Research on synthesis and characterisation of nanomaterials.

10/2017–8/2020: M.Sc in Physics, (Applied and Engineering Physics) at TU München (TUM): Specialisation on Energy Storage & Biomedical Physics. Master Thesis: „Investigation of Space-Charge Layer Effects in Solid Ionic Conductors by Impedance Spectroscopy“ (Prof. Dr. Aliaksandr S. Bandarenka, Physics of Energy Conversion and Storage)

10/2014–8/2017: B.Sc. in Physics at TU München (TUM)