Electric double layer capacitor and electrolytic solution therefor
    1.
    发明申请
    Electric double layer capacitor and electrolytic solution therefor 失效
    双电层电容器及其电解液

    公开(公告)号:US20070002522A1

    公开(公告)日:2007-01-04

    申请号:US11474351

    申请日:2006-06-26

    IPC分类号: H01G9/00

    CPC分类号: H01G9/038 H01G11/62 Y02E60/13

    摘要: The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material, useful in manufacturing high-capacitance capacitors and which has an electrolytic solution containing chain carbonate and/or cyclic carbonate. Even if the electric double layer capacitor is used under high-temperature and high-voltage conditions, chain carbonate and/or cyclic carbonate is prevented from being degraded and the amount of generated gas is slight. The electric double layer capacitor has high initial performance and energy density and the performance of the electric double layer capacitor is maintained high. The electrolytic solution contains a quaternary ammonium salt except for a quaternary ammonium salt containing a carbon atom being bonded to the quaternary nitrogen atom and being bonded to other nitrogen atom than the quaternary nitrogen atom, chain carbonate and/or cyclic carbonate, and a solvent containing a carboxylic ester which contains five or more carbon atoms and which has two or more carboxylic ester bonds.

    摘要翻译: 本发明提供一种双电层电容器,其具有由石墨材料制成的由活性炭制成的电极,其可用于制造大容量电容器,并且具有含有链状碳酸酯和/或环状碳酸酯的电解液。 即使在高温高压条件下使用双电层电容器,也可以防止链状碳酸酯和/或环状碳酸酯的劣化,并且产生的气体量稍微。 双电层电容器具有高的初始性能和能量密度,双电层电容器的性能保持较高。 该电解液含有季铵盐,除了含有与季氮原子结合的碳原子并且与季氮原子,链碳酸酯和/或环状碳酸酯结合的其它氮原子的季铵盐,以及含有 含有五个或更多个碳原子并且具有两个或更多个羧酸酯键的羧酸酯。

    Electric double layer capacitor and electrolytic solution therefor
    2.
    发明申请
    Electric double layer capacitor and electrolytic solution therefor 失效
    双电层电容器及其电解液

    公开(公告)号:US20060262485A1

    公开(公告)日:2006-11-23

    申请号:US11435292

    申请日:2006-05-17

    IPC分类号: H01G9/00

    摘要: In an electric double layer capacitor and electrolytic solution, decomposition of at least one of an open-chain carbonate and a cyclic carbonate can be controlled under high temperature conditions, initial performance and maintained ratio of capacitance are superior, and energy density is high, when graphitized alkali-activated carbon is used as an electrode material and at least one of an open-chain carbonate and a cyclic carbonate is used in an organic electrolytic solution. The electric double layer capacitor includes electrodes containing alkali-activated carbon including graphitized carbon material, and an organic electrolytic solution in which a supporting salt is dissolved in solvent including aromatic carboxylate and at least one of an open-chain carbonate and a cyclic carbonate, in which the content of the aromatic carboxylate is not more than 50 weight % relative to the total weight of the solvent.

    摘要翻译: 在双电层电容器和电解液中,可以在高温条件下控制开链碳酸酯和环状碳酸酯中的至少一种的分解,初始性能和电容的保持率优异,能量密度高时, 石墨化碱活性炭用作电极材料,有机电解液中使用开链碳酸酯和环状碳酸酯中的至少一种。 双电层电容器包括含有石墨化碳材料的碱活性炭的电极和其中支持盐溶解在包括芳族羧酸盐和至少一种开链碳酸酯和环状碳酸酯的溶剂中的有机电解液, 其中芳族羧酸酯的含量相对于溶剂的总重量不超过50重量%。

    Electric double layer capacitor and electrolytic solution therefor
    4.
    发明授权
    Electric double layer capacitor and electrolytic solution therefor 失效
    双电层电容器及其电解液

    公开(公告)号:US07436651B2

    公开(公告)日:2008-10-14

    申请号:US11474351

    申请日:2006-06-26

    IPC分类号: H01G9/00

    CPC分类号: H01G9/038 H01G11/62 Y02E60/13

    摘要: The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material, useful in manufacturing high-capacitance capacitors and which has an electrolytic solution containing chain carbonate and/or cyclic carbonate. Even if the electric double layer capacitor is used under high-temperature and high-voltage conditions, chain carbonate and/or cyclic carbonate is prevented from being degraded and the amount of generated gas is slight. The electric double layer capacitor has high initial performance and energy density and the performance of the electric double layer capacitor is maintained high. The electrolytic solution contains a quaternary ammonium salt except for a quaternary ammonium salt containing a carbon atom being bonded to the quaternary nitrogen atom and being bonded to other nitrogen atom than the quaternary nitrogen atom, chain carbonate and/or cyclic carbonate, and a solvent containing a carboxylic ester which contains five or more carbon atoms and which has two or more carboxylic ester bonds.

    摘要翻译: 本发明提供一种双电层电容器,其具有由石墨材料制成的由活性炭制成的电极,其可用于制造大容量电容器,并且具有含有链状碳酸酯和/或环状碳酸酯的电解液。 即使在高温高压条件下使用双电层电容器,也可以防止链状碳酸酯和/或环状碳酸酯的劣化,并且产生的气体量稍微。 双电层电容器具有高的初始性能和能量密度,双电层电容器的性能保持较高。 该电解液含有季铵盐,除了含有与季氮原子结合的碳原子并且与季氮原子,链碳酸酯和/或环状碳酸酯结合的其它氮原子的季铵盐,以及含有 含有五个或更多个碳原子并且具有两个或更多个羧酸酯键的羧酸酯。

    Electric double layer capacitor and electrolytic solution therefor
    6.
    发明授权
    Electric double layer capacitor and electrolytic solution therefor 失效
    双电层电容器及其电解液

    公开(公告)号:US07391603B2

    公开(公告)日:2008-06-24

    申请号:US11435292

    申请日:2006-05-17

    IPC分类号: H01G9/00 H01G9/02

    摘要: In an electric double layer capacitor and electrolytic solution, decomposition of at least one of an open-chain carbonate and a cyclic carbonate can be controlled under high temperature conditions, initial performance and maintained ratio of capacitance are superior, and energy density is high, when graphitized alkali-activated carbon is used as an electrode material and at least one of an open-chain carbonate and a cyclic carbonate is used in an organic electrolytic solution. The electric double layer capacitor includes electrodes containing alkali-activated carbon including graphitized carbon material, and an organic electrolytic solution in which a supporting salt is dissolved in solvent including aromatic carboxylate and at least one of an open-chain carbonate and a cyclic carbonate, in which the content of the aromatic carboxylate is not more than 50 weight % relative to the total weight of the solvent.

    摘要翻译: 在双电层电容器和电解液中,可以在高温条件下控制开链碳酸酯和环状碳酸酯中的至少一种的分解,初始性能和电容的保持率优异,能量密度高时, 石墨化碱活性炭用作电极材料,有机电解液中使用开链碳酸酯和环状碳酸酯中的至少一种。 双电层电容器包括含有石墨化碳材料的碱活性炭的电极和其中支持盐溶解在包括芳族羧酸盐和至少一种开链碳酸酯和环状碳酸酯的溶剂中的有机电解液, 其中芳族羧酸酯的含量相对于溶剂的总重量不超过50重量%。

    Electric double layer capacitor
    7.
    发明授权
    Electric double layer capacitor 失效
    双电层电容器

    公开(公告)号:US07224574B2

    公开(公告)日:2007-05-29

    申请号:US11373258

    申请日:2006-03-13

    IPC分类号: H01G9/00

    摘要: An electric double layer capacitor in which gas generation due to decomposition of a solvent of an electrolyte solution in the capacitor is reduced and performance maintaining ratio is superior, is provided by a method which is different from a method of adding additives to the electrolyte solution. The electric double layer capacitor has activated carbon polarizing electrodes and a non-water-based solvent, and a positive electrode of the activated carbon polarizing electrodes contains an antacid agent.

    摘要翻译: 通过与电解质溶液中添加添加剂的方法不同的方法,提供了电容器中由于电解质溶液的溶剂分解而产生气体而保持性能优异的双电层电容器。 双电层电容器具有活性碳极化电极和非水性溶剂,活性碳极化电极的正极含有抗酸剂。

    Electric double layer capacitor
    8.
    发明申请
    Electric double layer capacitor 失效
    双电层电容器

    公开(公告)号:US20060209493A1

    公开(公告)日:2006-09-21

    申请号:US11373258

    申请日:2006-03-13

    IPC分类号: H01G4/228

    摘要: An electric double layer capacitor in which gas generation due to decomposition of a solvent of an electrolyte solution in the capacitor is reduced and performance maintaining ratio is superior, is provided by a method which is different from a method of adding additives to the electrolyte solution. The electric double layer capacitor has activated carbon polarizing electrodes and a non-water-based solvent, and a positive electrode of the activated carbon polarizing electrodes contains an antacid agent.

    摘要翻译: 通过与向电解液中添加添加剂的方法不同的方法,提供了电容器中由于电解质溶液的溶剂分解而产生气体而保持性能优异的电双层电容器。 双电层电容器具有活性碳极化电极和非水性溶剂,活性碳极化电极的正极含有抗酸剂。