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    • 2. 发明申请
    • LITHIUM ION CAPACITOR
    • 锂离子电容器
    • US20130208404A1
    • 2013-08-15
    • US13880762
    • 2011-09-09
    • Naoshi YasudaTakashi ChibaKazuyoshi OkadaKuniyasu Hiraiwa
    • Naoshi YasudaTakashi ChibaKazuyoshi OkadaKuniyasu Hiraiwa
    • H01G9/048H01G9/042H01G9/145
    • H01G9/048H01G9/0425H01G9/145H01G11/06H01G11/28H01G11/38H01G11/44Y02E60/13
    • Provided is a lithium ion capacitor that can maintain a high capacity retention rate and suppress an increase in internal resistance even after high-load charging-discharging is repeated many times and that has long service life because the occurrence of a short circuit due to precipitation of lithium on the negative electrode is prevented.The lithium ion capacitor comprises a positive electrode, a negative electrode, and an electrolyte solution, the negative electrode including a current collector and electrode layers that contain a negative electrode active material and are formed on front and back surfaces of the current collector, wherein, in the negative electrode, ratios of deviations of respective thicknesses of the electrode layers formed on the front and back surfaces of the current collector from an average of the thicknesses of the electrode layers to the average is −10 to 10%.
    • 提供一种锂离子电容器,其能够维持高的容量保持率,并且即使在高负荷充电 - 放电重复多次之后也能抑制内部电阻的增加,并且由于发生由于沉淀引起的短路而具有长的使用寿命 防止负极上的锂。 锂离子电容器包括正极,负极和电解质溶液,负极包括集电体和含有负极活性材料并形成在集电体的前表面和后表面上的电极层,其中, 在负极中,形成在集电体的前表面和后表面上的电极层的各自厚度的偏差与电极层的平均厚度的平均值的比率为-10至10%。