Abstract
Aluminum is attracting interest due to the good application prospect as anode for metal-air batteries in alkaline solutions. In this paper, the corrosion behavior and electrochemical properties of industrial aluminum alloy are investigated using hydrogen collection method, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) in 4 M NaOH and 4 M KOH. Battery performances are tested by constant current discharge at different current densities. The results show 8011 Al alloy has better electrochemical properties, discharge energy and power density. Considering the cost and performance, 8011 Al alloy is one of the most promising low-cost and high performance Al anode for Al-air batteries.
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