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Enhancement of alkaline water splitting activity by Co–P coating on a copper oxide nanowire

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Abstract

Hydrogen is the most attractive source of energy in the 21st century. However, high-efficiency mass production of hydrogen still faces many challenges. Although electrochemical water splitting is an ideal way to produce hydrogen, it requires low-cost and efficient electrocatalysts. In this work, a hybrid shell/core Co–P/CuO nanowire array was fabricated by Co–P film electrodeposition on a CuO nanowire array. Because of the synergy between Co–P and CuO nanowire arrays, Co–P/CuO shows remarkable activity toward the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER). This bifunctional electrocatalyst achieving 20 mA cm−2 requires a cell voltage of only 1.645 V, and has superb long-term electrochemical stability and high faradaic efficiency.

Graphical abstract: Enhancement of alkaline water splitting activity by Co–P coating on a copper oxide nanowire

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Publication details

The article was received on 06 Nov 2018, accepted on 29 Nov 2018 and first published on 30 Nov 2018


Article type: Paper
DOI: 10.1039/C8DT04419H
Citation: Dalton Trans., 2019, Advance Article
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    Enhancement of alkaline water splitting activity by Co–P coating on a copper oxide nanowire

    B. Chang, Y. Yang, Z. Ye and S. Liu, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C8DT04419H

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