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Open AccessFeature PaperCommunication

Bottom-up Synthesis of Porous NiMo Alloy for Hydrogen Evolution Reaction

1
Institute of Applied Physics, Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan
2
PRESTO, Japan Science and Technology Agency, Saitama 332-0012, Japan
3
Graduate School of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
*
Author to whom correspondence should be addressed.
Metals 2018, 8(2), 83; https://doi.org/10.3390/met8020083
Received: 15 October 2017 / Revised: 22 December 2017 / Accepted: 20 January 2018 / Published: 23 January 2018
(This article belongs to the Special Issue Nanoporous Metals)
Bottom-up synthesis of porous NiMo alloy reduced by NiMoO4 nanofibers was systematically investigated to fabricate non-noble metal porous electrodes for hydrogen production. The different annealing temperatures of NiMoO4 nanofibers under hydrogen atmosphere reveal that the 950 °C annealing temperature is key for producing bicontinuous porous NiMo alloy without oxide phases. The porous NiMo alloy acts as a cathode in electrical water splitting, which demonstrates not only almost identical catalytic activity with commercial Pt/C in 1.0 M KOH solution, but also superb stability for 12 days at an electrode potential of −200 mV vs. reversible hydrogen electrode (RHE). View Full-Text
Keywords: nanoporous; NiMo; non-noble metal catalyst; hydrogen evolution nanoporous; NiMo; non-noble metal catalyst; hydrogen evolution
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MDPI and ACS Style

Hu, K.; Jeong, S.; Wakisaka, M.; Fujita, J.-I.; Ito, Y. Bottom-up Synthesis of Porous NiMo Alloy for Hydrogen Evolution Reaction. Metals 2018, 8, 83.

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