A facile, scalable, high stability Lithium metal anode

SusMat

article

Qiang Zhao¹  Xin Chen¹  Wang Hou¹  Beirong Ye¹  Yongqi Zhang²  Xinhui Xia⁴  Jinshu Wang¹ 

[1] School of Materials and Energy, University of Electronic Science and Technology of China;Yangtze Delta Region Institute ,(Huzhou), University of Electronic Science and Technology of China;Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China;State Key Lab of Silicon Materials, Zhejiang University

关键词: Artificial modification layer;    Li metal anode;    LiAlO2-PVDF;    Spin-coating;   

DOI  :  10.1002/sus2.43

学科分类：电力

来源: Wiley

【 摘 要 】

Li has garnered enormous attention for next-generation Li metal batteries owing to its remarkable theoretical capacity. Unfortunately, as an anode, Li suffers from serious safety issues and fast capacity fading due to the formation of Li dendrites, which hinders the practical application of Li anode. Herein, a LiAlO 2 -PVDF composite modification layer is fabricated on the surface of Li metal to enhance its stability and electrochemical performance. Benefitting from the synergetic effects of high Li + conductivity, high Li + transference number, excellent mechanical properties, superior chemical durability, and compactness of the modification layer, the LiAlO 2 -PVDF@Li electrode delivers an ultra-long lifespan and a high capacity retention rate in the LiAlO 2 -PVDF@Li│LiFePO 4 full cell. The proposed strategy provides a new alternative anode for Li metal batteries with high performance and scalable production.

【 授权许可】

CC BY