Solid-state electrolytes(SSEs)are recognized as attractive candidates to real-ize safe and high-energy-density lithium metal batteries(LMBs).However,the practical application of SSEs still faces challenges such as ins...Solid-state electrolytes(SSEs)are recognized as attractive candidates to real-ize safe and high-energy-density lithium metal batteries(LMBs).However,the practical application of SSEs still faces challenges such as insufficient room-temperature ionic conductivity,unsatisfactory mechanical properties,and large internal resistance.Extensive research efforts have been made to explore new electrochemistry and technologies to address those challenges.Among them,the construction of order-structured SSEs has emerged as a promising strategy.The anisotropic behavior induced by the orientation offers SSEs with desired properties targeting specific functions,and therefore the rational design of the order-structured SSE provides an alternative solution to achieve an ideal SSE.This review discusses the structure-property correlation of SSEs,and then sum-marizes the design strategies to construct order-structured SSEs.Finally,the current challenges and possible future research directions for order-structured SSEs for scalable high-energy-density LMBs are presented.展开更多
基金The authors thank the financial support of Natural Science Foundation of China(grant number:52002138).
文摘Solid-state electrolytes(SSEs)are recognized as attractive candidates to real-ize safe and high-energy-density lithium metal batteries(LMBs).However,the practical application of SSEs still faces challenges such as insufficient room-temperature ionic conductivity,unsatisfactory mechanical properties,and large internal resistance.Extensive research efforts have been made to explore new electrochemistry and technologies to address those challenges.Among them,the construction of order-structured SSEs has emerged as a promising strategy.The anisotropic behavior induced by the orientation offers SSEs with desired properties targeting specific functions,and therefore the rational design of the order-structured SSE provides an alternative solution to achieve an ideal SSE.This review discusses the structure-property correlation of SSEs,and then sum-marizes the design strategies to construct order-structured SSEs.Finally,the current challenges and possible future research directions for order-structured SSEs for scalable high-energy-density LMBs are presented.
