A nickel molecular electro-catalyst for generating hydrogen from acetic acid or water

被引：75

作者：

Cao, Jie-Ping ^{[1
]}

Fang, Ting ^{[1
]}

Fu, Ling-Zhi ^{[1
]}

Zhou, Ling-Ling ^{[1
]}

Zhan, Shuzhong ^{[1
]}

机构：

[1] S China Univ Technol, Coll Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 21期

基金：

美国国家科学基金会;

关键词：

Nickel(II)-complex; Molecular electro-catalyst; Hydrogen evolution; ACTIVE-SITE; DINUCLEAR PALLADIUM(I); ACTIVATION; CHEMISTRY; MODELS; IRON; H-2;

D O I：

10.1016/j.ijhydene.2014.05.082

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：

The reaction of 2,3-bis(2-hydroxybenzylideneimino)-2,3-butenedinitrile (H2L) and Ni(CH3CO2)(2)center dot 2H(2)O affords a nickel(II) complex [NIL] 1, a new molecular electrocatalyst, which has been determined by X-ray crystallography. Electrochemical studies show that complex 1 can catalyze hydrogen evolution from acetic acid or from water. Turnover frequency (TOP) reaches a maximum of 193 (in DMF) and 574 (in buffer, pH 6) moles of hydrogen per mole of catalyst per hour, respectively. Sustained proton reduction catalysis occurs at glassy carbon (GC) electrode to give H-2 over a 42 h electrolysis period and no observable decomposition of the catalyst. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：10980 / 10986

页数：7

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