Electrodeposited Ni dendrites with high activity and durability for hydrogen evolution reaction in alkaline water electrolysis

被引：165

作者：

Ahn, Sang Hyun ^{[1
,3
]}

Hwang, Seung Jun ^{[1
]}

Yoo, Sung Jong ^{[1
]}

Choi, Insoo ^{[3
]}

Kim, Hyoung-Juhn ^{[1
]}

Jang, Jong Hyun ^{[1
]}

Nam, Suk Woo ^{[1
]}

Lim, Tae-Hoon ^{[1
]}

Lim, Taeho ^{[3
]}

Kim, Soo-Kil ^{[1
,2
]}

Kim, Jae Jeong ^{[3
]}

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

[3] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151744, South Korea

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 30期

基金：

新加坡国家研究基金会;

关键词：

IRREVERSIBLY ADSORBED BISMUTH; OXYGEN REDUCTION; PLATINUM NANOPARTICLES; PT-CO; ADSORPTION; CATALYSTS; SURFACES; ELECTROCATALYSTS; NI(111); METALS;

D O I：

10.1039/c2jm31439h

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：

Different shapes of various nickel structures, including dendrite, particle and film are fabricated by electrodeposition under various conditions. The shape of nickel structures is definitely dependent on the deposition potential, leading to different electrochemical surface area and edge facets. The nickel particle which has a polycrystalline center and edge is obtained at high negative potential. On the other hand, the nickel dendrite deposited by relatively low negative potential exhibits large electrochemical surface area and a particularly active facet for hydrogen evolution reaction (HER) in alkaline water electrolysis. In fact the nickel dendrite shows the highest catalytic activity and stability for HER among the various nickel structures.

引用

页码：15153 / 15159

页数：7

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