为了减缓铝空气电池中铝阳极的自腐蚀及Cl-的腐蚀,在电解液中添加CeCl3可有效控制铝阳极的腐蚀.采用电化学阻抗谱(EIS),结合铝阳极双层模型,研究了缓蚀剂CeCl3浓度、含有CeCl3电解液的温度、pH值对铝阳极放电性能的影响,确定了铝阳极最佳放电条件:缓蚀剂CeCl3的浓度为500 mg/L,含有CeCl3电解液的温度为30℃,pH值在5~6之间.组装模拟电池进行放电性能测试,放电曲线表明,铝阳极在含有缓蚀剂CeCl3的3.5%NaCl溶液中的放电性能远好于在空白溶液中的性能.
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