Performance of Al-1Mg-1Zn-0.1Ga-0.1Sn as anode for Al-air battery

被引：124
作者：
Ma, Jingling [1 ,2 ]
Wen, Jiuba [1 ,2 ]
Gao, Junwei [1 ]
Li, Quanan [1 ]
机构：
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471003, Peoples R China
[2] Henan Univ Sci & Technol, Collaborat Innovat Ctr Nonferrous Met Henan Prov, Luoyang 471003, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2014年 / 129卷
关键词：
Aluminum alloy; Air battery; Potential; Self-corrosion; CORROSION BEHAVIOR; PITTING CORROSION; GRAIN-BOUNDARIES; ZN-AIR; ALUMINUM; GALLIUM; ALLOYS; ELECTRODEPOSITION; DISSOLUTION; INDIUM;
D O I：
10.1016/j.electacta.2014.02.080
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this research, Al air battery based on Al-1Mg-0.1 Ga-0.1 Sn and Al-1Mg-1Zn-0.1Ga-0.1Sn (wt.%) anodes were prepared, the corrosion behavior and the battery performance were investigated in 2 M NaCI, 4 MNaOH and 7 M KOH solutions. The results show that the optimal electrochemical properties are obtained in Al-1Mg-1Zn-0.1Ga-0.1Sn alloy, and compared with in alkaline solutions the alloy has the lower self-corrosion rate in 2 M NaCl. The high anodic utilization during discharge in 2 M NaC1 is partially responsible for the higher Rt, which is well validated by EIS. Al-air battery based on the alloy has higher cell potential in 4 M NaOH. Contrast that with the electrochemical performance of Zn in alkaline solutions, it is feasibility of using the alloy as anode material for Al-air battery in 2 M NaCI and 4 M NaOH solutions. (C) 2014 Elsevier Ltd. All rights reserved.
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收藏
页码：69 / 75
页数：7
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