Lithium(Li)metal anodes are considered to be one of the most superior anodes due to their high energy density and lowest electrochemical potential.However,the formation of Li dendrites,uneven deposition,and infinite r...Lithium(Li)metal anodes are considered to be one of the most superior anodes due to their high energy density and lowest electrochemical potential.However,the formation of Li dendrites,uneven deposition,and infinite relative dimension change hinder their popularity.In this work,three-dimensional(3D)graphene composite silver nanoparticles(GO-Ag NPs)were proposed as the Li hosts.The graphene–silver–lithium(GAL)composite anode prepared via the thermal infusion strategy of Li ions effectively inhibits the formation of Li dendrites and the infinite relative dimension change to achieve long-term cycling stability.The modified lithiophilic nature of the GAL composite anode was achieved through the decoration of silver nanoparticles,effectively reducing the nucleation barrier of Li ions and inducing their uniform deposition.展开更多
基金supported by the Natural Science Foundation of Shandong Province(ZR2018LE003).
文摘Lithium(Li)metal anodes are considered to be one of the most superior anodes due to their high energy density and lowest electrochemical potential.However,the formation of Li dendrites,uneven deposition,and infinite relative dimension change hinder their popularity.In this work,three-dimensional(3D)graphene composite silver nanoparticles(GO-Ag NPs)were proposed as the Li hosts.The graphene–silver–lithium(GAL)composite anode prepared via the thermal infusion strategy of Li ions effectively inhibits the formation of Li dendrites and the infinite relative dimension change to achieve long-term cycling stability.The modified lithiophilic nature of the GAL composite anode was achieved through the decoration of silver nanoparticles,effectively reducing the nucleation barrier of Li ions and inducing their uniform deposition.
