Two dimensional oxygen-vacancy-rich Co3O4 nanosheets with excellent supercapacitor performances

Kun Xiang; Zhicheng Xu; Tingting Qu; Zhengfang Tian; Yu Zhang; Yongzheng Wang; Mingjiang Xie; Xiangke Guo; Weiping Ding; Xuefeng Guo

doi:10.1039/C7CC07515D

Two dimensional oxygen-vacancy-rich Co₃O₄ nanosheets with excellent supercapacitor performances†

Kun Xiang,

^a Zhicheng Xu,^a Tingting Qu,^a Zhengfang Tian,^ab Yu Zhang,^a Yongzheng Wang,^a Mingjiang Xie,^ab Xiangke Guo,^a Weiping Ding

^a and Xuefeng Guo

*^ab

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* Corresponding authors

^a Key Lab of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
E-mail: guoxf@nju.edu.cn

^b Hubei Key Laboratory for Processing and Application of Catalytic Materials, Huanggang Normal University, Huanggang 348000, P. R. China

Abstract

A set of identical Co₃O₄ nanosheets with different oxygen vacancy amounts are rationally designed by varied reduction treatments and comparison of their properties. Remarkably, the oxygen-vacancy-rich Co₃O₄ nanosheets (OVR-Co₃O₄ NSs) exhibit excellent electrochemical performance for their potential use as a promising candidate for the next generation of supercapacitors.

Chemical Communications

Two dimensional oxygen-vacancy-rich Co₃O₄ nanosheets with excellent supercapacitor performances†

Abstract

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Two dimensional oxygen-vacancy-rich Co₃O₄ nanosheets with excellent supercapacitor performances

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Chemical Communications