期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 38, 期 31, 页码 13493-13501出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2013.07.103
关键词
Alkaline water electrolysis; Hydrogen evolution reaction; Electrodeposition; Nickel copper alloy catalyst
资金
- Korea Research Council of Fundamental Science & Technology (KRCF), Republic of Korea [Seed-10-2]
- COE (Center of Excellence) program and Institutional Program of the Korea Institute of Science and Technology [2E22873-12-020]
- Korea CCS RD Center (KCRC)
- Korea government (Ministry of Science, ICT & Future Planning) [2013038315]
- National Research Council of Science & Technology (NST), Republic of Korea [SEED-10-2, Seed-10-2] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
NiCu alloy catalysts for alkaline water electrolysis were prepared by an electrodeposition method varying the alloy composition. When the deposition potential became more positive, the bulk and surface Cu content in NiCu alloys as well as the catalyst particle size gradually increased, which were confirmed by various spectroscopic and electrochemical techniques. The surface coverage of the catalysts was found to be a function of the deposition potential, as well. The catalytic activities of the prepared NiCu alloys to hydrogen evolution reaction (HER) were investigated with cyclic voltammetry in a 6.0 M KOH electrolyte at 298 K, and the mass activities of NiCu alloys were correlated with bulk and surface Cu contents to investigate the Cu alloying effect. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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