Lithium anode stable in air for low-cost fabrication of a dendrite-free lithium battery

Nature Communications
Xiaowei ShenJohn B Goodenough

Abstract

Lithium metal, the ideal anode material for rechargeable batteries, suffers from the inherent limitations of sensitivity to the humid atmosphere and dendrite growth. Herein, low-cost fabrication of a metallic-lithium anode that is stable in air and plated dendrite-free from an organic-liquid electrolyte solves four key problems that have plagued the development of large-scale Li-ion batteries for storage of electric power. Replacing the low-capacity carbon anode with a safe, dendrite-free lithium anode provides a fast charge while reducing the cost of fabrication of a lithium battery, and increasing the cycle life of a rechargeable cell by eliminating the liquid-electrolyte ethylene-carbonate additive used to form a solid-electrolyte interphase passivation layer on the anode that is unstable during cycling. This solution is accomplished by formation of a hydrophobic solid-electrolyte interphase on a metallic-lithium anode that allows for handling of the treated lithium anode membrane in a standard dry room during cell fabrication.

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Citations

Nov 22, 2019·Frontiers in Chemistry·Yan LiuJian Qin
Dec 15, 2020·Advanced Materials·Zhi Yong WangZi Ping Wu
Jan 27, 2021·ACS Applied Materials & Interfaces·Xiaoguang QiuFangyi Cheng
Apr 21, 2021·Physical Chemistry Chemical Physics : PCCP·Christopher R TangAmy C Marschilok
May 8, 2021·ACS Applied Materials & Interfaces·Dominic Spencer JollyPeter G Bruce
Jul 16, 2021·Journal of the American Chemical Society·Jing LianYongzhu Fu
Jan 1, 2021·ACS Applied Materials & Interfaces·Yikang YuJian Xie
Apr 21, 2020·Journal of the American Chemical Society·Song JinLi-Jun Wan
May 22, 2020·ACS Applied Materials & Interfaces·Zhihong LuoKun Luo
Jan 7, 2021·ACS Applied Materials & Interfaces·Aleksandr AleshinKevin N Wood
Jan 28, 2020·ACS Applied Materials & Interfaces·Tuo KangLiwei Chen

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Methods Mentioned

BETA
scanning electron microscopy
X-ray
optical microscopy
AFM

Software Mentioned

PWSCF
Quantum Espresso

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