Journal
CHEMICAL COMMUNICATIONS
Volume 54, Issue 43, Pages 5462-5465Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc02568a
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Funding
- National Natural Science Foundation of China [21575137]
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Alkaline water splitting offers a simple method for the mass production of hydrogen but suffers from the sluggish kinetics of the anodic oxygen evolution reaction (OER). Here, we report on the development of an Fe-doped NiCr2O4 nanoparticle film on Ni foam (Fe-NiCr2O4/NF) as a non-noble-metal OER electrocatalyst with superior catalytic activity at alkaline pH. Such Fe-NiCr2O4/NF demands overpotentials as low as 228 and 318 mV to drive current densities of 20 and 500 mA cm(-2), respectively, in 1.0 M KOH. Notably, it also shows strong long-term electrochemical durability with its activity being retained for at least 60 h.
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