Achieving Uniform Li Plating/Stripping at Ultrahigh Currents and Capacities by Optimizing 3D Nucleation Sites and Li₂ Se-Enriched SEI.

ABSTRACT: Lithium (Li) has garnered considerable attention as an alternative anodes of next-generation high-performance batteries owing to its prominent theoretical specific capacity. However, the commercialization of Li metal anodes (LMAs) is significantly compromised by non-uniform Li deposition and inferior electrolyte-anode interfaces, particularly at high currents and capacities. Herein, a hierarchical three-dimentional structure with CoSe₂ -nanoparticle-anchored nitrogen-doped carbon nanoflake arrays is developed on a carbon fiber cloth (CoSe₂ -NC@CFC) to regulate the Li nucleation/plating process and stabilize the electrolyte-anode interface. Owing to the enhanced lithiophilicity endowed by CoSe₂ -NC, in situ-formed Li₂ Se and Co nanoparticles durin

SUBMITTER: Cao J 

PROVIDER: S-EPMC8948610 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature