期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 578, 期 -, 页码 555-564出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2020.06.041
关键词
Ni-Se-Cu electrocatalyst; Hydrogen evolution reaction; Electrodeposition; Alkaline media
Development of cost-effective and efficient earth-abundant catalysts for hydrogen evolution reaction (HER) is a great challenge. In this study, by one-step potentiostatic electrodeposition, the Ni-Se-Cu electrocatalyst on nickel foam was fabricated as a binder-free HER electrocatalyst. As compared with Ni-Se electrocatalysts, such fabricated Ni-Se-Cu electrocatalyst exhibited prominent electrocatalytic activity to the HER in alkaline electrolyte. This Ni-Se-Cu electrocatalyst exhibits a small overpotential of 136 mV to achieve a current density of 10 mA.cm(-2) and high electrochemical stability. The remarkable HER properties of Ni-Se-Cu electrocatalyst mainly originate from high electronic conductivity induced by Cudoping. This work shows a cheap and simple avenue to develop high efficient non-noble electrochemical electrocatalysts for HER. (C) 2020 Elsevier Inc. All rights reserved.
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