Journal
NEW JOURNAL OF CHEMISTRY
Volume 43, Issue 24, Pages 9652-9657Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9nj01263j
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Funding
- National Natural Science Foundation of China [21403174]
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Developing a robust earth-abundant metal electrocatalyst for the hydrogen evolution reaction (HER) in both alkaline and acidic electrolytes is essential for pursuing the highly-efficient conversion of sustainable energy resources. The Mo-doped NiCu electrode was fabricated as a HER catalyst via a one-step electrodeposition process. The structure and the chemical state of the deposited catalysts were characterized by X-ray power diffraction, scanning electron microscopy and X-ray photoelectron spectroscopy. This Mo-doped NiCu electrode (8 at% Mo-content in solvent) exhibits outstanding electrocatalytic activity for the HER in an alkaline electrolyte as compared to bimetallic NiMo and NiCu catalysts, with a small overpotential of 95 mV at a current density of 10 mA cm(-2) and excellent electrochemistry stability.
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