Electrodeposition of nickel–phosphorus nanoparticles film as a Janus electrocatalyst for electro-splitting of water

Nickel–phosphorus nanoparticles film on copper foam (Ni–P/CF) was prepared by electrodeposition. This electrocatalyst shows high catalytic activity and durability toward both hydrogen and oxygen evolution reactions in basic electrolytes. The results show that Ni–P/CF can deliver a current density of...

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Bibliographic Details
Published in:Journal of power sources 2015-12, Vol.299, p.342-346
Main Authors: Liu, Qian, Gu, Shuang, Li, Chang Ming
Format: Article
Language:English
Subjects:
Electrocatalyst
Hydrogen evolution reaction
Nickel–phosphorus
Oxygen evolution reaction
Water splitting
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Summary:Nickel–phosphorus nanoparticles film on copper foam (Ni–P/CF) was prepared by electrodeposition. This electrocatalyst shows high catalytic activity and durability toward both hydrogen and oxygen evolution reactions in basic electrolytes. The results show that Ni–P/CF can deliver a current density of 10 mA cm−2 at an overpotential of 98 mV for hydrogen production and 325 mV for oxygen generating. A two-electrode water electrolyzer using Ni–P/CF as cathode and anode produces 10 mA cm−2 at a cell voltage of 1.68 V with high stability. •Ni–P/CF can act as bifunctional HER and OER electrocatalyst in basic electrolytes.•Ni–P/CF exhibits high catalytic activity towards both HER and OER.•Ni–P/CF can achieve 10 mA cm−2 water-splitting current at a cell voltage of 1.68 V.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2015.09.027