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Carbon cloth supported cobalt phosphide as multifunctional catalysts for efficient overall water splitting and zinc-air batteries

Abstract

Excellent performance and multifunctional electrocatalysts are of great importance for the development of renewable energy. Here, a multifunctional carbon cloth supported cobalt phosphide (CoP@CC) electrocatalyst was synthesized via a simple electrochemical deposition followed a subsequent phosphorization. This self-standing CoP@CC presents superior HER performance in both acid and alkaline media and excellent OER activity in alkaline environment. When applied as both anode and cathode catalyst to overall water splitting, CoP@CC only required a low cell voltage of 1.68 V to drive a current density of 10 mA•cm-2, making this catalyst a potential candidate in industrial application. Moreover, inspired by its satisfying ORR activity, CoP@CC was first used as the air-electrode in zinc-air batteries, which outputed an open-circuit potential of 0.6 V and a power density of ~30 mW•cm-2.

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Publication details

The article was received on 14 Sep 2017, accepted on 14 Nov 2017 and first published on 14 Nov 2017


Article type: Paper
DOI: 10.1039/C7NR06859J
Citation: Nanoscale, 2017, Accepted Manuscript
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    Carbon cloth supported cobalt phosphide as multifunctional catalysts for efficient overall water splitting and zinc-air batteries

    Y. Cheng, F. Liao, W. Shen, L. Liu, B. Jiang, Y. Li and M. Shao, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR06859J

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