Jacob Otabil Bonsu

1 Introduction Innate safety and the potential for high energy density make all-solid-state batteries (ASSBs) a promising alternative to conventional Li-ion batteries for energy-demanding applications. While remarkable progress has been made over the past years, several pressing challenges remain toward enabling prolonged cycling stability, high power characteristics, scalable processibility and manufacturing, and low-pressure operation, amongst others.

1 Introduction Improved safety and the potential for high energy density and extended lifespan have inspired tremendous research and commercial interests in ASSLBs.[1, 2] The difference from conventional Li-ion batteries stems from the use of inorganic SEs with superionic single Li-ion conductivity, high thermal stability, and excellent mechanical properties.[3] Hence, the efficacy of solid-state batteries predominantly hinges upon the optimal functioning of SEs and their ability to...