Pb(PbO)负载对活性炭超级电容性能的影响及其机理

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采用超声浸渍结合还原分解的方法制得了nano-Pb(PbO)/AC复合改性材料.利用XRDSEMEDS、N2吸脱附(BET)、循环伏安(CV)等对铅负载后活性炭材料的微观结构和电化学性能进行了表征.结果显示粒径小于100 nm Pb、PbO颗粒均匀地分布在活性炭表面.负载后活性炭比表面积和孔容稍有减少,孔径分布变化不明显.Pb(PbO)/AC复合改性材料具有良好的导电性,提供了一定的氧化还原电流,在0.1A/g电流密度下非法拉第比容量损失仅6.5%.
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