为了考察铝空气电池电解液pH值对其阴阳极电化学性能的影响,利用极化曲线、电化学阻抗谱、恒流放电曲线测量等方法对铝合金阳极和空气电极在3.5%NaCl溶液中的电化学行为进行了研究。结果显示:随pH值升高,铝合金的腐蚀速度先降低后升高;铝合金恒流放电1200s后,电极电位从低到高的pH值依次为3,11,5,7,9;当溶液pH=11时,空气电极表现出较好的极化性能和恒流放电性能。
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