In–Li Counter Electrodes in Solid‐State Batteries – A Comparative Approach on Kinetics, Microstructure, and Chemomechanics
Abstract: A key challenge for solid‐state batteries is the fabrication of high‐capacity cathodes with high area loading and good rate performance. To reliably quantify the performance of high‐capacity cathodes, electrochemically stable, and high‐rate counter electrodes are essential. Otherwise, a three‐electrode setup is required. In–Li alloy electrodes are used for years in a kind of standard approach, since these seem to offer stable operation. In this comparative study, seven preparation methods for In–Li electrodes are examined, determining their suitability for cathode testing. The microstructure of a planar (i.e., foil) and a particle‐based (i.e., composite) anode configuration is analyzed in more detail. Their rate‐dependent electrode performance as well as electrochemical and chemomechanical reversibility in full‐cell configuration are analyzed. The combined results demonstrate the limitations of In–Li electrodes for high‐capacity testing, especially at high rates, while confirming their suitability for simple lab‐scale testing. Preparation significantly influences the electrode microstructure and kinetics, consequently impacting the performance benchmarks of cathodes. These findings underscore both the challenges involved in applying In–Li counter electrodes and the resulting limited comparability of results from different laboratories.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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In–Li Counter Electrodes in Solid‐State Batteries – A Comparative Approach on Kinetics, Microstructure, and Chemomechanics ; day:13 ; month:11 ; year:2024 ; extent:14
Advanced energy materials ; (13.11.2024) (gesamt 14)
- Creator
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Alt, Christoph D.
Keuntje, Sören
Schneider, Inga L.
Westphal, Johannes
Minnmann, Philip
Eckhardt, Janis Kevin
Peppler, Klaus
Janek, Jürgen
- DOI
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10.1002/aenm.202404055
- URN
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urn:nbn:de:101:1-2411131402390.100586009895
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:28 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Alt, Christoph D.
- Keuntje, Sören
- Schneider, Inga L.
- Westphal, Johannes
- Minnmann, Philip
- Eckhardt, Janis Kevin
- Peppler, Klaus
- Janek, Jürgen
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Diffusion and segregation of iron in the electrode system Pt(O 2)/YSZ
Emerging Halide Solid Electrolytes for Sodium Solid‐State Batteries: Structure, Conductivity, Paradigm of Applications
Study of electrochemical interface processes by locally resolving photoelectron spectroscopy and microscopy
In Situ Transmission Electron Microscopy Investigation of All Solid-state Sodium Batteries
Overcoming Anode Instability in Solid‐State Batteries through Control of the Lithium Metal Microstructure
Improved Cycling Performance of High‐Nickel NMC by Dry Powder Coating with Nanostructured Fumed Al 2 O 3 , TiO 2 , and ZrO 2 : A Comparison
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