Electrochemical codeposition of magnesium and nickel alloy for hydrogen storage

被引：2

作者：

Lu Dong-sheng ^{[1
,2
]}

Li Wei-shan ^{[1
,3
]}

机构：

[1] S China Normal Univ, Dept Chem, Guangzhou 510006, Guangdong, Peoples R China

[2] S China Univ Technol, Inst Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China

[3] Guangdong Univ, Key Lab Electrochem Technol Energy Storage & Powe, Guangzhou 510006, Guangdong, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 117卷 / 2-3期

关键词：

Mg-Ni alloys; Electrochemical codeposition; Electrochemical properties; NI-MH BATTERIES; MG-NI; AMORPHOUS MGNI; THIN-FILMS; TI; CRYSTALLIZATION; ELECTRODES; SUBSTITUTION; BEHAVIOR;

D O I：

10.1016/j.matchemphys.2009.06.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnesium and nickel alloy was prepared electrochemically in dimethylsulfoxide (DMSO) solution. Its structure, composition and property for hydrogen storage were studied by SEM, ICP, XRD, and charge and discharge test. It is found that codeposition of magnesium and nickel can take place at the potentials from -2.0 to -3.2V (vs. Ag/Ag+) in 0.15 M LiClO4+DMSO solution containing MgCl2 and NiCl2. The surface morphology and the hydrogen storage capacity of the prepared alloy are influenced by the deposition potential. The alloy prepared at -2.4V (vs. Ag/Ag+) is mainly composed of Mg2Ni phase and shows its best electrochemical capacity of 361.8 mAh g(-1), corresponding to a hydrogen storage capacity of 1.35 wt.%. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：395 / 398

页数：4

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