Electrochemically fabricated NiCu alloy catalysts for hydrogen production in alkaline water electrolysis

被引：81

作者：

Ahn, Sang Hyun ^{[1
]}

Park, Hee-Young ^{[1
]}

Choi, Insoo ^{[1
]}

Yoo, Sung Jong ^{[1
]}

Hwang, Seung Jun ^{[1
]}

Kim, Hyoung-Juhn ^{[1
]}

Cho, EunAe ^{[1
]}

Yoon, Chang Won ^{[1
]}

Park, Hansoo ^{[2
]}

Son, Hyungbin ^{[2
]}

Hernandez, Juan Martin ^{[2
]}

Nam, Suk Woo ^{[1
]}

Lim, Tae-Hoon ^{[1
]}

Kim, Soo-Kil ^{[2
]}

Jang, Jong Hyun ^{[1
]}

机构：

[1] Korea Inst Sci & Technol, Fuel Cell Res Ctr, Seoul 136791, South Korea

[2] Chung Ang Univ, Sch Integrat Engn, Seoul 156756, South Korea

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 31期

关键词：

Alkaline water electrolysis; Hydrogen evolution reaction; Electrodeposition; Nickel copper alloy catalyst; EVOLUTION REACTION; POLYMER-ELECTROLYTE; ELECTROCATALYTIC MATERIALS; BUBBLE EVOLUTION; NICKEL; NANOPARTICLES; PERFORMANCE; COATINGS; BEHAVIOR; TRENDS;

D O I：

10.1016/j.ijhydene.2013.07.103

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：13493 / 13501

页数：9

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