Publication date: 10th April 2024
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 show that it is not only important to find fast ionic conductors, but that fast ionic conduction is paramount within solid state battery composites. Measuring the effective ionic transport in electrode composites provides an avenue to explore transport and stability limitations that in turn provide better criteria for solid state battery performance. These transport limitations will be explored as a function of materials composition, particle sizes as well as temperatures.
By understanding these limitations, we will then explore two approaches to overcome these transport limitations.
Finally, we will show how pressure induces dislocation densities in solid ionic conductors. By increasing the strain and dislocations, the overall ionic transport properties improve extending to solid state battery performance.
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