Cerium vanadate hollow sphere-mediated polysulfide immobilization and conversion toward lithium–sulfur batteries

Xiang Wu; Jingshuai Xiao; Xuyang Cai; Jiazhuang Chen; Xiao Sun; Tengfei Yang; Yanxia Liu; Xiang Li; Yan Song; Chaozheng He

doi:10.1039/D5CC06753G

Cerium vanadate hollow sphere-mediated polysulfide immobilization and conversion toward lithium–sulfur batteries

Xiang Wu,^a Jingshuai Xiao,^a Xuyang Cai,^a Jiazhuang Chen,^a Xiao Sun,^a Tengfei Yang,^a Yanxia Liu,^b Xiang Li,

^a Yan Song

*^a and Chaozheng He

*^a

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* Corresponding authors

^a Shaanxi Key Laboratory of Optoelectronic Functional Materials and Devices, School of Materials Science and Chemical Engineering, Xi’an Technological University, Xi’an, China
E-mail: songyan@xatu.edu.cn, hecz2019@xatu.edu.cn

^b Institute of Science and Technology for New Energy, Xi’an Technological University, Xi’an 710021, China

Abstract

Cerium vanadate (CeVO₄) hollow spheres with abundant active sites and exceptional electrocatalytic activity effectively trap polysulfides and enhance the solid–liquid conversion kinetics. Accordingly, the designed CeVO₄ as a multifunctional sulfur host boosts lithium–sulfur batteries to deliver high reversible capacity and excellent cycling stability.

Chemical Communications

Cerium vanadate hollow sphere-mediated polysulfide immobilization and conversion toward lithium–sulfur batteries

Abstract

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