Facile one-step electrodeposition preparation of porous NiMo film as electrocatalyst for hydrogen evolution reaction

Porous NiMo film was prepared by one-step electrodeposition under super gravity field and was used as electrocatalyst for hydrogen evolution reaction (HER). NiMo films possessed three-dimensional porous structure. The thickness of porous layer was up to 180–240 μm. Porous NiMo films with extremely l...

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Bibliographic Details
Published in:International journal of hydrogen energy 2015-02, Vol.40 (5), p.2173-2181
Main Authors: Wang, Mingyong, Wang, Zhi, Yu, Xiangtao, Guo, Zhancheng
Format: Article
Language:English
Subjects:
Catalytic activity
Electrodeposition
Hydrogen evolution reaction
NiMo film
Super gravity field
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Summary:Porous NiMo film was prepared by one-step electrodeposition under super gravity field and was used as electrocatalyst for hydrogen evolution reaction (HER). NiMo films possessed three-dimensional porous structure. The thickness of porous layer was up to 180–240 μm. Porous NiMo films with extremely large real active area exhibited high catalytic activity for HER. The overpotential was very low and only 47 mV at 100 mA cm−2. Meanwhile, porous NiMo films possessed good long-term stability by accelerated degradation studies. Porous NiMo films electrodeposited under super gravity possess extremely high real surface area and exhibit good catalytic activity for hydrogen evolution reaction. [Display omitted] •Porous NiMo films are directly electrodeposited under super gravity field.•Good catalytic activity for HER was exhibited on porous NiMo films.•Porous NiMo films with high thickness possess extremely large real surface area.•Good long-term stability of porous NiMo films was obtained.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2014.12.022