Interfaces within batteries,such as the widely studied solid electrolyte interface(SEI),profoundly influence battery performance.Among these interfaces,the solid-solid interface between electrode materials and current...Interfaces within batteries,such as the widely studied solid electrolyte interface(SEI),profoundly influence battery performance.Among these interfaces,the solid-solid interface between electrode materials and current collectors is crucial to battery performance but has received less discussion and attention.This review highlights the latest research advancements on the solid-solid interface between lithium metal(the next-generation anode)and current collectors(typically copper),focusing on factors affecting the Li-current collector interface and improvement strategies from perspectives of current collector substrate(lithiophilicity,crystal facets,mechanical properties,and topological structure),electrolyte chemistry,current density,stacking pressure,SEI,electric field and temperature,and provides a future directions and opportunities on this topic.展开更多
基金the support of the National Science Foundation(No.CBET-2143677).
文摘Interfaces within batteries,such as the widely studied solid electrolyte interface(SEI),profoundly influence battery performance.Among these interfaces,the solid-solid interface between electrode materials and current collectors is crucial to battery performance but has received less discussion and attention.This review highlights the latest research advancements on the solid-solid interface between lithium metal(the next-generation anode)and current collectors(typically copper),focusing on factors affecting the Li-current collector interface and improvement strategies from perspectives of current collector substrate(lithiophilicity,crystal facets,mechanical properties,and topological structure),electrolyte chemistry,current density,stacking pressure,SEI,electric field and temperature,and provides a future directions and opportunities on this topic.