期刊
CORROSION SCIENCE
卷 50, 期 12, 页码 3475-3479出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2008.09.001
关键词
Aluminum; Polymer; SEM; XRD; Alkaline corrosion
资金
- USM [60352771]
Various concentrations of potassium hydroxide (KOH) solution electrolytes were gelled with a hydroponics gelling agent and used in aluminum-air (Al-air) cells. An aluminum plate and a single air-cathode were used as the anode and cathode, respectively. The cells were discharged at a constant current density of 0.08, 0.80 and 1.60 mA/cm(2). The 0.6 M KOH concentration gave the highest capacity and power density of 105.0 mA h/g and 5.5 mW/cm(2), respectively. The capacity of the fabricated cell decreased when the KOH concentration went beyond 0.6 M. The corrosion of Al to Al(OH)(3) as shown by the structural and surface morphology observations was the main factor for the failure of the cells. (C) 2008 Elsevier Ltd. All rights reserved.
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