Journal
JOURNAL OF POWER SOURCES
Volume 293, Issue -, Pages 592-598Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.05.113
Keywords
Aluminum alloy; Air battery; Ethanol-water solutions; Self-corrosion
Funding
- Cultivation Research Innovation Ability of Henan University of Science and Technology [2012ZCX017]
- Innovative Research Team (in Science and Technology) in University of Henan Province [2012IRTSTHN008]
- Science and Technology Program of Luoyang [1301001A]
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In this research, the corrosion behavior and the electrochemical performances of Al-0.5Mg-0.1Sn -0.02In (wt.%) alloy have been investigated in 2 M NaCl, 4 M NaOH ethanol-10% water, 4 M NaOH solutions. The results show that the optimal electrochemical properties are obtained in 4 M NaOH ethanol water solutions, and the alloy has higher anodic utilization and lower self-corrosion rate in the solutions compared to 2 M NaCl or 4 M aqueous NaOH. SEM and EIS results of the alloy are in good agreement with corrosion characteristics. By comparison with the electrochemical performance of Zn in 4 M NaOH solutions, the feasibility of using Al-0.5Mg-0.1Sn-0.02In alloy as anode material for a high power density Al air battery in 4 M NaOH ethanol water solutions is demonstrated. (C) 2015 Elsevier B.V. All rights reserved.
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