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dt1105605

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[求助] 求助 超电电解液用KOH 电极材料为氢氧化钴 为什么充放电性能与电解液浓度不成正比?

用三电极体系,用1M KOH时电极测得的比电容最好,但随着KOH浓度的增加,比电容却下降了,而且后来在大于4.5摩尔的时候,小电流充电就充不上去了。想问问各位大侠们这是为什么?这个问题困扰我很久了,照里说随着KOH浓度的提高,电导率是增强的,可是为什么充不上去电呢?为什么比容会下降呢?
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