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Developing high safety Li-metal anodes for future high-energy Li-metal batteries: strategies and perspectives

Dai‐Huo Liu, Zhengyu Bai, Matthew Li, Aiping Yu, Dan Luo, Wenwen Liu, Lin Yang, Jun Biao Lu et al.

Chemical Society Reviews, 2020

492 citations

Abstract

battery systems. However, the notorious Li-dendrite growth problem results in serious safety concerns for any energy storage application. Through a recent combination of interface-based science, nanotechnology-based solutions and characterization methods, the LMA is now primed for a technological boom. In this review, the recent emerging strategies and perspectives on LMAs are summarized, following which the current huge evolution in interfacial chemistry regulation, optimizing electrolyte components, designing a rational 'host' for lithium metal, optimizing "solid-state electrolytes" and other emerging strategies for developing high-safety LMAs is highlighted. Furthermore, several state-of-the-art in situ/operando synchrotron-based X-ray techniques for high safety LMB research are introduced. With the further development of LMAs in the future, subsequent application in high energy LMBs is to be expected.

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