Journal
JOURNAL OF POWER SOURCES
Volume 293, Issue -, Pages 484-491Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.05.104
Keywords
Aluminium air battery; Aluminium anode; Alkaline corrosion; Hydrogen evolution; Electrolyte additives
Funding
- Shanghai Science & Technology Committee Project [11JC1404400]
- Shanghai Energy-Saving Centre of Heat-Exchange-System [12DZ2280300]
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Behaviours of the AA5052 aluminium alloy anode of the alkaline aluminium-air battery are studied by the hydrogen evolution test, the electrochemical measurements and the surface analysis method. The combination of amino-acid and rare earth as electrolyte additives effectively retards the self-corrosion of AA5052 aluminium alloy in 4 M NaOH solution. It shows that the combination of L-cysteine and cerium nitrate has a synergistic effect owing to the formation of a complex film on AA5052 alloy surface. The organic rare-earth complex can decrease the anodic polarisation, suppress the hydrogen evolution and increase the anodic utilization rate. (C) 2015 Elsevier B.V. All rights reserved.
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