Artificial Protection Film on Lithium Metal Anode toward Long-Cycle-Life Lithium-Oxygen Batteries.

Liu, Qing-Chao; Xu, Ji-Jing; Yuan, Shuang; Chang, Zhi-Wen; Xu, Dan; Yin, Yan-Bin; Li, Lin; Zhong, Hai-Xia et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

An artificial while very stable solid electrolyte interphase film is formed on lithium metal using an electrochemical strategy. When this protected Li anode is first used in a Li-O2 battery, the film formed on the anode can effectively suppress the parasitic reactions on the Li anode/electrolyte interface and significantly enhance the cycling stability of the Li-O2 battery.