Interfaces and scaling relations in solid-state batteries
Wolfgang Zeier a
a University of Muenster, Schlossplatz, 2, Münster, Germany
Materials for Sustainable Development Conference (MATSUS)
Proceedings of Materials for Sustainable Development Conference (MAT-SUS) (NFM22)
#BATTERIES - Solid State Batteries: Advances and challenges on materials, processing and characterization
Barcelona, Spain, 2022 October 24th - 28th
Organizers: Alex Morata, Albert Tarancón and Ainara Aguadero
Invited Speaker, Wolfgang Zeier, presentation 169
DOI: https://doi.org/10.29363/nanoge.nfm.2022.169
Publication date: 11th July 2022

The advent of solid-state batteries has spawned a recent increase in interest in lithium conducting solid electrolytes. However, many open questions remain when trying to optimize electrolytes and understand solid state battery chemistries.

In this presentation, we will explore the current focus of halide-based ionic conductors in solid state batteries and discuss stability limitations in solid state battery cells at the anode as well as the cathode composites.

In a second part, we show the influence of Si type anode materials on the effective transport and behavior of solid-state batteries

Finally, we will discuss that it is not only important to find fast ionic conductors but that for an effective thermal battery management the thermal transport properties of solid ionic conductors need to be explored and understood. Here we will show the diffusive thermal transport nature of solid electrolytes and their different scaling relations that put in question the assumption of Bruggeman transport in solid state batteries.

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