Tungsten Carbide–Nitride on Graphene Nanoplatelets as a Durable Hydrogen Evolution Electrocatalyst

Wei Fu Chen; Jonathan M. Schneider; Kotaro Sasaki; Chiu Hui Wang; Jacob Schneider; Shilpa Iyer; Shweta Iyer; Yimei Zhu; James T. Muckerman; Etsuko Fujita

doi:10.1002/cssc.201402454

Tungsten Carbide–Nitride on Graphene Nanoplatelets as a Durable Hydrogen Evolution Electrocatalyst

Wei Fu Chen, Jonathan M. Schneider, Kotaro Sasaki, Chiu Hui Wang, Jacob Schneider, Shilpa Iyer, Shweta Iyer, Yimei Zhu, James T. Muckerman, Etsuko Fujita

Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

66 Citations (Scopus)

Abstract

Alternatives to platinum-based catalysts are required to sustainably produce hydrogen from water at low overpotentials. Progress has been made in utilizing tungsten carbide-based catalysts, however, their performance is currently limited by the density and reactivity of active sites, and insufficient stability in acidic electrolytes. We report highly active graphene nanoplatelet-supported tungsten carbide–nitride nanocomposites prepared via an in situ solid-state approach. This nanocomposite catalyzes the hydrogen evolution reaction with very low overpotential and is stable operating for at least 300 h in harsh acidic conditions. The synthetic approach offers a great advantage in terms of structural control and kinetics improvement.

Original language	English
Pages (from-to)	2414-2418
Number of pages	5
Journal	ChemSusChem
Volume	7
Issue number	9
DOIs	https://doi.org/10.1002/cssc.201402454
Publication status	Published - Sep 2014

Keywords

carbides
electrochemistry
graphene
hydrogen evolution
nitrides

ASJC Scopus subject areas

Environmental Chemistry
Chemical Engineering(all)
Materials Science(all)
Energy(all)

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Tungsten Carbide–Nitride on Graphene Nanoplatelets as a Durable Hydrogen Evolution Electrocatalyst. / Chen, Wei Fu; Schneider, Jonathan M.; Sasaki, Kotaro; Wang, Chiu Hui; Schneider, Jacob; Iyer, Shilpa; Iyer, Shweta; Zhu, Yimei; Muckerman, James T.; Fujita, Etsuko.

In: ChemSusChem, Vol. 7, No. 9, 09.2014, p. 2414-2418.

Research output: Contribution to journal › Article › peer-review

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