Keggin-type polyoxometalate-based crown ether complex for lithium–sulfur batteries

Guang Yang; Yuchao Wu; Zengxiang Lv; Xinyuan Jiang; Jianhang Shi; Yuzhen Zhang; Ming Chen; Lubin Ni; Guowang Diao; Yongge Wei

doi:10.1039/D2CC05904E

Keggin-type polyoxometalate-based crown ether complex for lithium–sulfur batteries†

Guang Yang,‡^a Yuchao Wu,‡^a Zengxiang Lv,^a Xinyuan Jiang,^a Jianhang Shi,^a Yuzhen Zhang,^c Ming Chen,

^a Lubin Ni,

*^a Guowang Diao

*^a and Yongge Wei

*^b

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* Corresponding authors

^a School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, People's Republic of China
E-mail: lbni@yzu.edu.cn, gwdiao@yzu.edu.cn

^b Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
E-mail: yonggewei@tsinghua.edu.cn

^c School of Chemistry and Chemical Engineering, Guangxi Minzu University, No. 158, Daxue West Road, Nanning, Guangxi 530006, China

Abstract

A novel supramolecular complex Li₃Cl[(HPW₁₂O₄₀)(H₂₄C₁₂O₆)₃(CH₃CN)₂] {CR-PW₁₂} was confirmed first to apply as a sulfur host in lithium–sulfur batteries. The {CR-PW₁₂}@S cathode exhibits a reversible capacity of 1120 mA h g⁻¹ at 1.0 C and excellent cycle stability.

This article is part of the themed collection: Host-Guest Chemistry

Chemical Communications

Keggin-type polyoxometalate-based crown ether complex for lithium–sulfur batteries†

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Keggin-type polyoxometalate-based crown ether complex for lithium–sulfur batteries

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