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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
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Mechanofusion-derived cathode composite microstructures with scalable mixed conducting matrix coatings for solid
Maximilian Kissel1, Finn Frankenberg2, Thomas Demuth3
1Institute of Physical Chemistry & Center for Materials Research, Justus-Liebig-Universität Gießen, Gießen, Germany.
Nature Communications
|April 3, 2026
Summary
A scalable dry mixing process creates optimized solid-state battery composite cathodes. This method tailors coatings for enhanced performance, achieving stable cycling with 100 mAh/g capacity.
Area of Science:
- Materials Science
- Electrochemistry
- Chemical Engineering
Background:
- Solid-state batteries require high-performance composite cathodes for successful implementation.
- Optimizing microstructure in composite cathodes for large-scale fabrication is a significant challenge.
Purpose of the Study:
- To develop a scalable high-intensity dry mixing process for creating tailored functional coatings on single-crystalline LiNi0.82Mn0.07Co0.11O2.
- To investigate the coating of LiNi0.82Mn0.07Co0.11O2 with Li3InCl6 and optimize process parameters using discrete element method simulations.
Main Methods:
- Utilized a scalable high-intensity dry mixing process (mechanofusion) for coating.
- Employed discrete element method simulations to link process parameters with morphological properties.
- Incorporated carbon black into thick matrix coatings to create mixed conducting matrices.
Main Results:
- Successfully produced nanometer-thin covering coatings and thick matrix coatings.
- Developed well-performing mixed conducting matrices usable as composite cathodes without further treatment.
- Achieved stable cycling with a specific capacity of 100 mAh/g at a 1 C-rate.
Conclusions:
- The developed dry mixing process offers guidelines for optimizing cathode composite fabrication.
- Optimized carbon black content is crucial for balancing cathode active material utilization, cell kinetics, and chemo-mechanics.
- The process enables the production of high-performance composite cathodes for solid-state batteries.
