期刊
NANO ENERGY
卷 22, 期 -, 页码 111-119出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2016.02.023
关键词
Hydrogen evolution reaction; Catalyst; Ni-Mo; Noble metal free; Electrocatalysis
类别
资金
- National Natural Science Foundation of China (NSFC) [U1201241, 11375020, 51431001, 21206011]
The hydrogen evolution reaction (HER) is of critical importance for sustainable hydrogen production from water electrolysis. In this work, we report a highly efficient and stable noble metal free HER catalyst, which is composed of homogeneously distributed metallic Ni and NiMo4N5 nanocrystals. The biphasic nanocrystalline Ni-Mo-N catalyst shows very low overpotential (53 mV in 0.5 M H2SO4 and 43 mV in 1 M KOH, at current density 20 mA/cm(2)) and good stability for HER in both acidic and alkaline electrolytes, which is a promising low cost alternative for platinum based HER catalysts. (C) 2016 Elsevier Ltd. All rights reserved.
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