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Ultrafine platinum–cobalt alloy decorated cobalt nanowire array with superb activity toward alkaline hydrogen evolution

Abstract

It is highly desired to design and develop highly efficient electrocatalysts for alkaline hydrogen evolution reaction. Herein, we report the development of ultrafine PtCo alloy nanoparticles decorated one-dimensional Co nanowire grown on Ti mesh (PtCo–Co/TiM). Owing to its favorable composition and structure, the PtCo–Co/TiM can deliver an ultrahigh current density of 46.5 mA cm–2 at an overpotential of 70 mV in 1.0 M KOH, superior to recently reported Pt-based electrocatalysts. This catalyst also provides excellent long-term electrochemical durability with its catalytic activity being maintained for at least 50 h.

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Publication details

The article was received on 13 Mar 2018, accepted on 07 Jun 2018 and first published on 07 Jun 2018


Article type: Communication
DOI: 10.1039/C8NR02071J
Citation: Nanoscale, 2018, Accepted Manuscript
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    Ultrafine platinum–cobalt alloy decorated cobalt nanowire array with superb activity toward alkaline hydrogen evolution

    Z. Wang, X. Ren, Y. Luo, L. Wang, G. Cui, F. Xie, H. Wang, Y. Xie and X. Sun, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR02071J

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