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A scalable Al–Ni alloy powder catalyst prepared by metallurgical microstructure control

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Abstract

Scalable and facile synthesis of highly active alkaline hydrogen evolution reaction catalysts was demonstrated by controlling the microstructures of Al–Ni alloys and making porous foam and powder. The microstructures were carefully controlled in the binary alloys and the subsequent selective etching resulted in highly active catalysts, which are comparable to conventional Pt-based catalysts. Large-scale coating of a dealloyed Al–Ni alloy powder was also demonstrated, showing the practical applicability of this method.

Graphical abstract: A scalable Al–Ni alloy powder catalyst prepared by metallurgical microstructure control

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Supplementary files

Article information


Submitted
26 Mar 2020
Accepted
14 May 2020
First published
15 May 2020

J. Mater. Chem. A, 2020, Advance Article
Article type
Communication

A scalable Al–Ni alloy powder catalyst prepared by metallurgical microstructure control

S. W. Im, H. Ahn, D. H. Seo, S. Park, S. Choi, W. Ryu, K. Kim, E. S. Park and K. T. Nam, J. Mater. Chem. A, 2020, Advance Article , DOI: 10.1039/D0TA03391J

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