期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 5, 页码 3354-3364出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.10.212
关键词
Transition metal dihalides; Transition metal phosphides (TMPs); Bimetallic electrocatalysts; Water splitting
资金
- National Natural Science Foundation of China [21363021, 51302222, 21965032]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT15R56]
The study successfully developed a series of bimetallic Fe-Co chalcogenophosphates as efficient water electrolysis catalysts, demonstrating high stability and Faraday efficiency.
Fabrication of multicomponent materials is the most effective strategy to develop high-performance multifunctional catalysts. In this work, a series of bimetallic Fe-Co chalcogenophosphates were facilely prepared and used as bifunctional water electrolysis catalysts. The results have shown that the obtained catalysts showed high performances for hydrogen and oxygen evolution reactions, and overall water splitting. For the optimum catalyst, only 260 and 365 mV of overpotential for HER and OER, and 1.59 V of cell voltage for water splitting was needed respectively in 1 M KOH when 10 mA cm(-2) of current density was reached. High stability and Faraday efficiency were also obtained, and the obtained results confirm that the catalyst is competitive in application in water electrolysis. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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