Solid-state lithium batteries(SSLBs)with high safety have emerged to meet the increasing energy density demands of electric vehicles,hybrid electric vehicles,and portable electronic devices.However,the dendrite format...Solid-state lithium batteries(SSLBs)with high safety have emerged to meet the increasing energy density demands of electric vehicles,hybrid electric vehicles,and portable electronic devices.However,the dendrite formation,high interfacial resistance,and deleterious interfacial reactions caused by solid-solid contact between electrode and electrolyte have hindered the commercialization of SSLBs.Thus,in this review,the state-of-the-art developments in the rational design of solid-state electrolyte and their progression toward practical applications are reviewed.First,the origin of interface instability and the sluggish charge carrier transportation in solid-solid interface are presented.Second,various strategies toward stabilizing interfacial stability(reducing interfacial resistance,suppressing lithium dendrites,and side reactions)are summarized from the physical and chemical perspective,including building protective layer,constructing 3D and gradient structures,etc.Finally,the remaining challenges and future development trends of solidstate electrolyte are prospected.This review provides a deep insight into solving the interfacial instability issues and promising solutions to enable practical high-energy-density lithium metal batteries.展开更多
基金supported by the National Key R&D Program(2022YFE0206400)the National Natural Science Foundation of China(52202256)+4 种基金the Natural Science Foundation of Jiangsu Province of China(BK20220612)the Science and Technology Development Fund,Macao SAR(0096/2020/A2,0013/2021/AMJ,and 0082/2022/A2)the Opening Project of the Key Laboratory of Jiangsu Province for Silk Engineering,Soochow University(KJS2277)the funds from Jiangsu University“Qinglan Project”the Young Elite Scientists Sponsorship Program of the Jiangsu Association for Science and Technology
文摘Solid-state lithium batteries(SSLBs)with high safety have emerged to meet the increasing energy density demands of electric vehicles,hybrid electric vehicles,and portable electronic devices.However,the dendrite formation,high interfacial resistance,and deleterious interfacial reactions caused by solid-solid contact between electrode and electrolyte have hindered the commercialization of SSLBs.Thus,in this review,the state-of-the-art developments in the rational design of solid-state electrolyte and their progression toward practical applications are reviewed.First,the origin of interface instability and the sluggish charge carrier transportation in solid-solid interface are presented.Second,various strategies toward stabilizing interfacial stability(reducing interfacial resistance,suppressing lithium dendrites,and side reactions)are summarized from the physical and chemical perspective,including building protective layer,constructing 3D and gradient structures,etc.Finally,the remaining challenges and future development trends of solidstate electrolyte are prospected.This review provides a deep insight into solving the interfacial instability issues and promising solutions to enable practical high-energy-density lithium metal batteries.
