Constructing Artificial SEI Layer on Lithiophilic MXene Surface for High-Performance Lithium Metal Anodes.

ABSTRACT: MXene has been found as a good host for lithium (Li) metal anodes because of its high specific surface area, lithiophilicity, good stability with lithium, and the in situ formed LiF protective layer. However, the formation of Li dendrites and dead Li is inevitable during long-term cycle due to the lack of protection at the Li/electrolyte interface. Herein, a stable artificial solid electrolyte interface (SEI) is constructed on the MXene surface by using insulating g-C₃ N₄ layer to regulate homogeneous Li plating/stripping. The 2D/2D MXene/g-C₃ N₄ composite nanosheets can not only guarantee sufficient lithiophilic sites, but also protect the Li metal from continuous corrosion by electrolytes. Thus, the Ti₃ C₂ T_x /g

SUBMITTER: Zhao F 

PROVIDER: S-EPMC8867166 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature