Technical University of Munich
Chair of Technical Electrochemistry (Prof. Gasteiger)
Lichtenbergstr. 4
85748 Garching b. München
Batteries, Electrolyzers & Fuel Cells
We focus on the development of active materials as well as on the design of electrodes for electrochemical cells.
For lithium-ion batteries, commercially available as well as novel active materials are synthesized and evaluated regarding typical degradation processes such as gas evolution, volume change, particle cracking, and resistance build-up. Furthermore, fundamental investigations towards the development of all-solid-state batteries are performed.
In the field of polymer electrolyte membrane (PEM) fuel cells and PEM electrolyzers, we work on catalyst development, stability testing under harsh degradation protocols, and the optimization of cell components (membrane electrode assemblies, diffusion media, and bipolar plates).
Via the development and application of ex-situ, in-situ, and operando diagnostics, we aim to gain new insights into performance limitations and the aging mechanisms of electro-chemical cells for energy storage & conversion applications (see research overview).
Journal of the Electrochemical Society
Abstract: Interfacial degradation processes in lithium-ion and sodium-ion batteries frequently result in gas formation, making online electrochemical mass spectrometry (OEMS) a powerful tool to gain mechanistic…
Journal of the Electrochemical Society
Abstract: Highlights Inductive effects in large cells mask high-frequency features, resulting in R hf , app . Method corrects inductive artifacts to estimate true high-frequency resistance. Contact resistance…
Journal of the Electrochemical Society
Abstract: Load cycling compromises the durability of proton exchange membrane fuel cells (PEMFCs), leading to a loss of the electrochemically active surface area (ECSA) of platinum in the cathode electrode.…
Journal of the Electrochemical Society
Abstract: At several occurrences in the published paper, the voltage cycling conditions were stated erroneously as "H2/air at 80 °C/100% RH"instead of the correct "H2/N2 at 80 °C/95% RH."Any voltage cycling…
Journal of the Electrochemical Society
Abstract: Unlike in the case of single-cell proton exchange membrane fuel cells (PEMFCs), implementing voltage-controlled in situ diagnostics in PEMFC stack tests is challenging, as the single cell voltage…
ACS Applied Materials and Interfaces
Abstract: Polymer electrolyte fuel cells are paramount for future emission-free mobility. One of the vital challenges for prospering commercialization of PEFCs is water management in the cells. A microporous…
Journal of the Electrochemical Society
Abstract: To meet the cycle life requirements and to guarantee the safe operation of lithium-ion batteries, the upper cutoff potential of cathode active materials based on mixed transition metal layered oxides…
Journal of the Electrochemical Society
Abstract: To improve mass transport limitations in proton exchange membrane fuel cells (PEMFCs), a detailed analysis of the gas diffusion layer structure can aid to understand the transport processes of oxygen…
Journal of the Electrochemical Society
Abstract: An understanding of the GDL properties is crucial for high-current-density operation of proton exchange membrane fuel cells (PEMFCs). The parameters porosity ( ϵ ) and tortuosity ( τ ) directly link…
Journal of the Electrochemical Society
Abstract: Determining the solid diffusion coefficient of lithium in graphite anode active materials for lithium-ion batteries is challenging due to the complex intercalation dynamics, the structural complexity,…
| Title | Dates | Duration | Type | Lecturer (assistant) |
|---|---|---|---|---|
| Current results of battery and fuel cell research |
|
2 | SE | |
| Experimental Methods in Physical Chemistry 1 (CH3061) |
|
7 | PR | |
| Experimental Methods in Physical Chemistry 2 (CH3061) |
|
7 | PR | |
| Fundamental Electrochemistry (CH3065) |
|
4 | VI | |
| Laboratory Course in Electrochemistry (CH3279) |
|
4 | PR | |
| Lecture Series: Colloquium on Physical and Theoretical Chemistry |
|
2 | KO | |
| Research Internship Physical Chemistry (CH3062) |
|
14 | PR |