Soft, elastic, ion-conductive polymer layer neutralizes micro-cracks inside sulfide all-solid-state batteries under minimal operating pressures

https://www.eurekalert.org/news-releases/1134817

"heavy, complex mechanical clamping rigs pressurize/ stabilize solid-state cells preventing brittle sulfide solid electrolyte from cracking/ delaminating during cycling, overcome using polymer binder exhibiting exceptional lithium-ion conductivity/ deformation alongside electrodes, seamlessly absorbing mechanical stress under ultra-low operational pressures... highly stable, lightweight solid-state EV batteries with significantly higher energy densities"