通过对活性炭依次进行Pb(Ⅱ)吸附、PbO沉积、还原分解等处理,制备了nano-Pb(PbO)/活性炭复合材料.采用XRD、EDS、SEM等手段对其进行了物相及微观结构表征,结果发现,纳米级Pb、PbO颗粒均匀地分布在活性炭表面.将该复合材料制备成电极,置于H2SO4溶液中进行电化学性能测试分析,结果表明,nano-Pb(PbO)/活性炭具有较高的析氢过电位、良好的导电性,并能提供一定的氧化还原电流,且非法拉第比容量损失较小.在铅酸电池负极铅膏中添加5wt％的nano-Pb(PbO)/活性炭制备成相应铅炭超级电池,在电池放电至60％荷电状态(SOC)时进行高倍率循环实验,结果发现,其循环寿命相比于普通铅酸蓄电池提高了4～5倍.
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