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Issue 6, 2019
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Formation of unexpectedly active Ni–Fe oxygen evolution electrocatalysts by physically mixing Ni and Fe oxyhydroxides

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Abstract

We present an unusual, yet facile, strategy towards formation of physically mixed Ni–Fe(OxHy) oxygen evolution electrocatalysts. We use in situ X-ray absorption and UV-vis spectroscopy, and high-resolution imaging to demonstrate that physical contact between two inferior Ni(OH)2 and Fe(OOH) catalysts self-assemble into atomically intermixed Ni–Fe catalysts with unexpectedly high activity.

Graphical abstract: Formation of unexpectedly active Ni–Fe oxygen evolution electrocatalysts by physically mixing Ni and Fe oxyhydroxides

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Supplementary files

Article information


Submitted
07 Aug 2018
Accepted
12 Dec 2018
First published
12 Dec 2018

This article is Open Access

Chem. Commun., 2019,55, 818-821
Article type
Communication

Formation of unexpectedly active Ni–Fe oxygen evolution electrocatalysts by physically mixing Ni and Fe oxyhydroxides

M. Görlin, P. Chernev, P. Paciok, C. Tai, J. Ferreira de Araújo, T. Reier, M. Heggen, R. Dunin-Borkowski, P. Strasser and H. Dau, Chem. Commun., 2019, 55, 818
DOI: 10.1039/C8CC06410E

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