☆ 4.7 Article

Carbon-coated Co-Mo-P nanosheets supported on carbon cloth as efficient electrocatalyst for Hydrogen Evolution Reaction

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2020)

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Journal

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 45, Issue 1, Pages 544-552

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.10.248

Keywords

Hydrogen evolution reaction; Cobalt-molybdenum-phosphide; Electrocatalyst; Carbon-coated

Categories

Chemistry, Physical Electrochemistry Energy & Fuels

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Exploration of noble-metal-free, highly-efficient and durable catalysts for Hydrogen evolution reaction (HER) remains a challenge. In this work, the development of carbon-coated cobalt-molybdenum-phosphide nanosheets supported on carbon cloth (Co-Mo-P@C) is successfully demonstrated. To obtain a better electrocatalystic performance, the different amount of glucose was added into the reaction system during hydrothermal process. Benefiting from the 2D structure, high electrical conductivity and sufficient active sites, the Co-Mo-P@C contained 0.5 mmol glucose exhibits relatively good catalytic activity for HER with low over poentials at -96 mV and -162 mV @ 10 mA cm(-2) in acidic and alkaline medias respectively and the Tafel slope of 52.9 mV dec(-1) and 34.3 mV dec(-1). Additionally, the catalyst also shows good durability in the both electrolytes. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

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