Electrochemical synthesis of hexagonal closed pack nickel: A hydrogen storage material

被引：12

作者：

Lahiri, Abhishek ^{[1
]}

Das, Rupak ^{[1
]}

Reddy, Ramana G. ^{[1
]}

机构：

[1] Univ Alabama, Dept Met & Mat Engn, Tuscaloosa, AL 35487 USA

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 06期

关键词：

Hydrogen storage; Nickel; Ionic liquid; Electrolysis;

D O I：

10.1016/j.jpowsour.2009.09.037

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：

An in Situ hydrogen generation and storage technique is demonstrated during the electrodeposition of hexagonal closed pack (HCP) nickel from NiCl2-1-ethyl-3-methylimidazolium chloride (NiCl2-EmimCl) and NiCl2 6H(2)O-1-ethyl-3-methylimidazolium chloride (NiCl2 6H(2)O-EmimCl) melts. During electrolysis. the dissolution of hydrogen in nickel takes place due to the electrolysis of water This results in the production of HCP nickel. The hydrogen content of the electrodeposited nickel from NiCl2-EmimCl was found to be 1.2 wt.% Thermal analysis showed that the phase transformation from HCP nickel to FCC occurred at 462(-)C, releasing hydrogen in the process. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1688 / 1690

页数：3

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