期刊
CORROSION SCIENCE
卷 53, 期 5, 页码 2035-2040出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2011.01.040
关键词
Magnesium; Galvanostatic; Anodic dissolution
Mg-Ga-Hg alloy is a new material with special electrochemical corrosion properties that make it ideal for use in seawater-activated battery anodes. The effects of microstructure and phase transformation on the electrochemical properties of the Mg - 4.1% Ga - 2.2% Hg alloy were studied and compared with Mg-Al system alloys. The results show that the Mg - 4.1% Ga - 2.2% Hg alloy, when used as an anode, has an appropriate corrosion potential in a half-cell test and superior electrochemical properties in a single cell assembled with CuCl. The Mg3Hg and Mg21Hg5Ga3 phases of the alloy influence its corrosion behaviour and provide a steady corrosion potential during the discharge process. (C) 2011 Elsevier Ltd. All rights reserved.
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