Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 21    No. 9    September 2011

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Preparation of porous Mg electrode by electrodeposition
ZHENG Wei-wei1, XU Qiang1, DING Fei2, ZHANG Jing2, LIU Xing-jiang1, 2

1. School of Chemistry Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Tianjin Institute of Power Sources, Tianjin 300381, China

Abstract:In order to obtain a porous Mg electrode with a stable skeleton, organic Mg fuel cell (OMFC), the electrochemical behavior of Mg deposition on Cu and Ni metallic substrates in 1 mol/L EtMgBr/THF solution was investigated by SEM, EDS and electrochemical methods. The experimental results show that Mg can be electrodeposited on both substrates, as a continuous layer on a Cu substrate. Accordingly, an approach for producing a porous Mg electrode with a stable skeleton of OMFC was proposed by means of electrodeposition of Mg on a foamed Ni substrate with a layer of Cu pre-plating. The discharge performance of this porous Mg electrode of OMFC is superior to that of a planar Mg electrode.


Key words: magnesium electrodeposition; porous electrode; organic electrolyte; discharge performance

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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