期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 42, 期 15, 页码 9914-9921出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.01.191
关键词
CoS; Water splitting; Hydrogen evolution reaction; Carbon cloth; Electrocatalysis
资金
- NSFC [21401066, 21673097, 21371070]
- Jilin Province Science and Technology Development Plan [20150520003JH, 20160101291JC]
- Science and Technology Research Program of Education Department of Jilin Province [410]
The development of efficient and inexpensive water splitting electrocatalysts is essential for the large-scale production of hydrogen. Herein, we show that a novel nanohybrid with CoS nanosheets vertically grown on carbon cloth (CoS/CC) can be used as an efficient self supported hydrogen-evolving cathode for water splitting over a wide pH range. This material affords a current density of 10 mA/cm(2) at a small overpotential of 192 mV and 212 mV in basic and acidic media, respectively, along with a long-term stability for over 50 h. The unique 3D structure constructed by the vertically arranged nanosheets and the intimate contact between the CoS nanosheets and the underlying conductive carbon are believed to be responsible for the excellent catalytic performance. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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