期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 39, 期 30, 页码 16806-16811出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.08.099
关键词
Cobalt phosphide nanoparticles film; Carbon cloth; Low-temperature phosphidation; Hydrogen evolution cathode; Water splitting
资金
- National Natural Science Foundation of China [21175129]
- National Basic Research Program of China [2011CB935800]
In this communication, cobalt phosphide nanoparticles film was developed on carbon cloth (CoP NPs/CC) through low-temperature phosphidation of its corresponding Co NPs/CC precursor. When directly used as a cathode for electrochemical hydrogen evolution in strongly acidic solutions, the CoP NPs/CC electrode exhibits high performance with a low onset overpotential of 33 mV, a Tafel slope of 70 mV dec(-1) and a Faradaic efficiency of nearly 100%. This catalyst maintain its catalytic activity for at least 30 h and only needs overpotentials of 48 and 190 mV to attain current densities of 10 and 100 mA cm(-2), respectively. Copyright (c) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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