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dsscer

新虫 (小有名气)

[求助] 关于二氧化钛超级电容器的测试窗口选择的问题

各位大牛,我刚刚接触超级电容器这个课题,看文献大部分TiO2的测试窗口在0—0.8V或者-0.3—0.6V之类的,而我做的电极(在FTO导电玻璃上面做的),测试时采用铂片为对电极,Hg/HgCl(饱和KCl)为参比电极,2mol/L Li2SO4为电解液的三电极体系,测试窗口-0.3—0.6V性能比较差,电流密度为0.002mA/cm2时面积比电容为0.03mF/cm2。当窗口换为-1.2— -0.2V充放电流密度为0.3mA/cm2时,比电容为8.4mF/cm2。这是为什么?后面的数据能用吗?求指导!
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cslglgf

新虫 (著名写手)

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2楼2017-11-21 03:36:29
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