Tungsten Carbide–Nitride on Graphene Nanoplatelets as a Durable Hydrogen Evolution Electrocatalyst
ChemSusChem2014Vol. 7(9), pp. 2414–2418
Citations Over TimeTop 10% of 2014 papers
Wei‐Fu Chen, Jonathan Schneider, Kotaro Sasaki, Chiu‐Hui Wang, Jacob Schneider, Shilpa Iyer, S. Venkatakrishna Iyer, Yimei Zhu, James T. Muckerman, Etsuko Fujita
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.
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