All-climate all-solid-state batteries enabled by high-entropy amorphous oxyhalide solid electrolytes
Shufeng Song, Wei Xue, Yumei Wang, Zhongting Wang, Yanming Cui, Zhixu Long, Hongyang Shan, Ning Hu, Jingfeng Wang, Fusheng Pan
Abstract
A high-entropy mixed-ion strategy overcomes ASSBs’ temperature limits. The engineered high-entropy amorphous oxyhalide achieves high ionic conductivity (7.1 mS cm −1 ) and enhanced electrochemical stability, enabling all-climate ASSBs.
Topics & Concepts
Amorphous solidMaterials scienceChemical engineeringElectrochemistryElectrolyteIonic conductivityConductivityFast ion conductorInorganic chemistryCatalysisElectrical resistivity and conductivityChemistryIonic liquidAmorphous carbonNanotechnologyIonic bondingElectrodeSolid solutionAdvanced Battery Materials and TechnologiesThermal Expansion and Ionic ConductivityAdvancements in Solid Oxide Fuel Cells