The electrochemical behaviors of Mg, Mg-Li-Al-Ce and Mg-Li-Al-Ce-Y in sodium chloride solution

被引：54
作者：
Lv, Yanzhuo [1 ]
Xu, Yan [2 ]
Cao, Dianxue [1 ]
机构：
[1] Harbin Engn Univ, Key Lab Supertight Mat & Surface Technol, Minist Educ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[2] Harbin Engn Univ, Engn Training Ctr, Harbin 150001, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 20期
基金：
黑龙江省自然科学基金;
关键词：
Magnesium; Magnesium-lithium-aluminum-cerium; Magnesium-lithium-aluminum-cerium-yttrium; Anode; Magnesium-hydrogen peroxide semi-fuel cells; SEMI-FUEL CELL; NICKEL FOAM CATHODE; CATHOLYTE; PERFORMANCE; ANODE; ZN;
D O I：
10.1016/j.jpowsour.2011.06.001
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 electrochemical performances of magnesium, magnesium-lithium-aluminum-cerium and magnesium-lithium-aluminum-cerium-yttrium as the anode of magnesium-hydrogen peroxide semi-fuel cells have been studied by methods of potentiodynamic, potentiostatic and electrochemical impedence measurements. The surface morphologies of magnesium and its alloys have been examined by scanning electron microscopy (SEM). It has been found that magnesium-lithium-aluminum-cerium and magnesium-lithium-aluminum-cerium-yttrium electrodes are less corrosion resistant than that of magnesium electrode in 0.7 mol L-1 NaCl solution and the corrosion current density decreases with the following order: magnesium < magnesium-lithium-aluminum-cerium-yttrium < magnesium-lithium-aluminum-cerium. The magnesium-lithium-aluminum-cerium-yttrium anode is more active than magnesium-lithium-aluminum-cerium and magnesium. The magnesium-hydrogen peroxide semi-fuel cell with magnesium-lithium-aluminum-cerium-yttrium anode shows better performance than that with Mg-Li-Al-Ce and Mg. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：8809 / 8814
页数：6
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