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1. 发明申请

WO2012067758A1 EXTENDED LIFE CAPACITORS 审中-公开
标题翻译：延长寿命电容
公开(公告)号：WO2012067758A1
公开(公告)日：2012-05-24
申请号：PCT/US2011/057288
申请日：2011-10-21
申请人： EVANS CAPACITOR COMPANY , EVANS, David, A. , REARDON, Jeffrey, N. , ZAWACKI, David, I.
发明人： EVANS, David, A. , REARDON, Jeffrey, N. , ZAWACKI, David, I.
IPC分类号： H01M6/04
CPC分类号： H01G9/022 , H01G9/035 , H01G11/54 , H01G11/62 , Y02E60/13
摘要： Capacitors employing liquid or gel electrolytes have their useful lifetime significantly extended by including, in the electrolyte, a binary mixture of transition metal ion species. Each species has at least two distinct oxidation states when dissolved in the electrolyte. The interaction of the mixture of ion species reduces the potential of the cathode and maintains the potential of the cathode below the hydrogen potential to prevent the reduction of hydrogen ions and the formation of hydrogen. The binary mixture of transition metal species reduces the cathode potential by oxidation of the transition metal species at the anode and reduction of the transition metal species at the cathode. Thus, the rate of decrease in capacitance, increase in equivalent series resistance, and swelling of the capacitor are suppressed. In addition, the ratio of capacitor aging to the quantity of charge passed by the capacitor is decreased by at least a factor of two as compared to previous known extended life capacitors.
摘要翻译：使用液体或凝胶电解质的电容器通过在电解质中包括过渡金属离子种类的二元混合物而具有显着延长的其使用寿命。当溶解在电解质中时，每种物质具有至少两种不同的氧化态。离子物质混合物的相互作用降低了阴极的电位，并且使阴极的电位维持在氢电势以下，以防止氢离子的还原和氢的形成。过渡金属物质的二元混合物通过阳极处的过渡金属物质的氧化和阴极处的过渡金属物质的还原来降低阴极电势。因此，抑制了电容的减小率，等效串联电阻的增加和电容器的膨胀。此外，与先前已知的延长寿命电容器相比，电容器老化与通过电容器的电荷量的比率减少至少两倍。

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