期刊
JOURNAL OF POWER SOURCES
卷 366, 期 -, 页码 193-199出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2017.09.018
关键词
Electrochemical water splitting; Bifunctional catalyst; Nanoparticles
资金
- National Natural Science Foundation of China [21301069]
- Natural Science Foundation of Shandong Province [ZR20128Q004]
- Science Foundation for Post Doctorate Research from the University of Jinan [XBH1516]
- Shandong Province
- UJN
Development of low-cost, highly active bifunctional catalyst for efficient overall water splitting based on earth-abundant metals is still a great challenging task. In this work, we report a NiFe-Se/C composite nanorod as efficient non-precious-metal electrochemical catalyst derived from direct selenylation of a mixed Ni/Fe metal-organic framework. The as-obtained catalyst requires low overpotential to drive 10 mA cm(-2) for HER (160 mV) and OER (240 mV) in 1.0 M KOH, respectively, and its catalytic activity is maintained for at least 20 h. Moreover, water electrolysis using this catalyst achieves high water splitting current density of 10 mA cm(-2) at cell voltage of 1.68 V. (C) 2017 Elsevier B.V. All rights reserved.
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