Preprint Communication Version 2 This version is not peer-reviewed

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

Version 1 : Received: 15 October 2017 / Approved: 16 October 2017 / Online: 16 October 2017 (06:19:27 CEST)
Version 2 : Received: 16 November 2017 / Approved: 16 November 2017 / Online: 16 November 2017 (07:51:47 CET)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Metals 2018, 8, 83
DOI: 10.3390/met8020083

Abstract

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 a key to produce bicontinuous porous NiMo alloy without oxide phases. The porous NiMo alloy as cathodes in electrical water splitting 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 (v.s. RHE).

Subject Areas

nanoporous; NiMo; non-noble metal catalyst; hydrogen evolution

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