High-specific-energy batteries with long-lifespan are the development aspiration for energy storage applications.Metal electrodes with high specific capacity and low reduction potential are potential candidates for ne...High-specific-energy batteries with long-lifespan are the development aspiration for energy storage applications.Metal electrodes with high specific capacity and low reduction potential are potential candidates for next-generation high-specific-energy batteries.Nevertheless,the stability of the metal electrode batteries is constantly suffered from the unstable interface issue during the plat-ing/stripping process,such as dendrite formation,dynamic evolution of solid electrolyte interphase,and other accompanied side reactions.To solve these challenges,numerous researches have been intensively studied based on the interfacial engineering of metal electrodes,including electrode configuration optimization,interfacial chemistry regulation and solid-solid interface construc-tion,and the recent progress is elaborately introduced in this paper.Nevertheless,the dendrite issues cannot be entirely prohibited in solid metal electrodes,which motivate the search for potential alternatives.Liquid-metal electrodes with completely reversible structural changes and high mass transfer rate are rendered as an effective approach to solve the dendrite problem.Therefore,the development of liquid metal electrode batteries is reviewed in this paper,in which the interfacial issues are explicated and some commendable achievements are summarized.In the end,the implementation of interfacial engineering and the development roadmap of the metal electrode batteries are prospected.展开更多
基金supported by National Key Research and Development Program of China(2018YFB0905600)grants from the National Natural Science Foundation of China(Grant Nos.52177215,51977097,51861135315,51804128).
文摘High-specific-energy batteries with long-lifespan are the development aspiration for energy storage applications.Metal electrodes with high specific capacity and low reduction potential are potential candidates for next-generation high-specific-energy batteries.Nevertheless,the stability of the metal electrode batteries is constantly suffered from the unstable interface issue during the plat-ing/stripping process,such as dendrite formation,dynamic evolution of solid electrolyte interphase,and other accompanied side reactions.To solve these challenges,numerous researches have been intensively studied based on the interfacial engineering of metal electrodes,including electrode configuration optimization,interfacial chemistry regulation and solid-solid interface construc-tion,and the recent progress is elaborately introduced in this paper.Nevertheless,the dendrite issues cannot be entirely prohibited in solid metal electrodes,which motivate the search for potential alternatives.Liquid-metal electrodes with completely reversible structural changes and high mass transfer rate are rendered as an effective approach to solve the dendrite problem.Therefore,the development of liquid metal electrode batteries is reviewed in this paper,in which the interfacial issues are explicated and some commendable achievements are summarized.In the end,the implementation of interfacial engineering and the development roadmap of the metal electrode batteries are prospected.
