Phosphazene-derived stable and robust artificial SEI for protecting lithium anodes of Li–O2 batteries

Wen-Long Bai; Zhen Zhang; Xin Chen; Qiang Zhang; Zhi-Xin Xu; Guang-Yao Zhai; Xiu Lin; Xin Liu; Tsegaye Tadesse Tsega; Chuan Zhao; Kai-Xue Wang; Jie-Sheng Chen

doi:10.1039/D0CC05303A

Phosphazene-derived stable and robust artificial SEI for protecting lithium anodes of Li–O₂ batteries†

Wen-Long Bai,

^a Zhen Zhang,^a Xin Chen,^a Qiang Zhang,^a Zhi-Xin Xu,^a Guang-Yao Zhai,^a Xiu Lin,^a Xin Liu,^a Tsegaye Tadesse Tsega,^a Chuan Zhao,

^b Kai-Xue Wang

*^a and Jie-Sheng Chen

^a

Author affiliations

* Corresponding authors

^a Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Frontiers Science Centre for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
E-mail: k.wang@sjtu.edu.cn

^b School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia

Abstract

A stable artificial solid electrolyte interphase (ASEI) containing Phosphazene and perfluoroalkoxy groups was designed to protect Li anodes. The ASEI with high ionic conductivity and mechanical robustness successfully suppressed the growth of Li dendrites, significantly enhancing the electrochemical performance of the Li–O₂ batteries.

Chemical Communications

Phosphazene-derived stable and robust artificial SEI for protecting lithium anodes of Li–O₂ batteries†

Abstract

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Phosphazene-derived stable and robust artificial SEI for protecting lithium anodes of Li–O₂ batteries

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Chemical Communications