Boosting hydrogen evolution activity of vanadyl pyrophosphate nanosheets for electrocatalytic overall water splitting

Chaoxiong Zhang; Haoxuan Liu; Jia He; Guangzhi Hu; Haihong Bao; Fang Lü; Longchao Zhuo; Junqiang Ren; Xijun Liu; Jun Luo

doi:10.1039/C9CC04481G

Boosting hydrogen evolution activity of vanadyl pyrophosphate nanosheets for electrocatalytic overall water splitting†

Chaoxiong Zhang,‡^a Haoxuan Liu,

‡^a Jia He,^a Guangzhi Hu,

*^b Haihong Bao,^a Fang Lü,^a Longchao Zhuo,^c Junqiang Ren,^d Xijun Liu

*^a and Jun Luo^a

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* Corresponding authors

^a Center for Electron Microscopy, Institute for New Energy Materials and Low-Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
E-mail: xjliu@tjut.edu.cn

^b School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
E-mail: guangzhihu@ynu.edu.cn

^c School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China

^d State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China

Abstract

Herein, (VO)₂P₂O₇ nanosheets function as a highly-active electrocatalyst for the hydrogen evolution reaction with an ultralow overpotential of 30 mV at 10 mA cm⁻² in basic media, being close to Pt/C. Furthermore, as a bifunctional electrocatalyst, (VO)₂P₂O₇ not only exhibits high activity but also good stability for overall water splitting.

Chemical Communications

Boosting hydrogen evolution activity of vanadyl pyrophosphate nanosheets for electrocatalytic overall water splitting†

Abstract

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