公开(公告)号：US07998360B2

公开(公告)日：2011-08-16

申请号：US12088696

申请日：2006-09-29

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Masashi Ozawa

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Masashi Ozawa

IPC分类号： H01G9/04

CPC分类号： H01G9/035 ,  H01G9/145

摘要： Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor.An electrolyte for electrolytic capacitor, which comprises: (A) a tetrafluoroaluminate ion, and (B) at least one compound selected from the group consisting of: (1) at least one compound selected from the group consisting of a phthalimide, a quinoline, a dioxime, a nitrophenol and an amino group-containing aromatic carboxylic acid; (2) at least one compound selected from the group consisting of an aluminum complex, a boric acid ester and a silicic acid ester; (3) at least one compound selected from the group consisting of a monocyclic quinone compound and a bicyclic quinone compound; (4) a tricyclic or higher polycyclic quinone compound; and (5) at least one compound selected from a heteropoly acid and a salt thereof, an electrolyte for electrolytic capacitor containing a tetrafluoroaluminate ion, which has a self-potential of −0.95 V or more with respect to aluminum in the electrolyte, relative to an I3−/I− reference electrode, and an electrolytic capacitor using the same.

摘要翻译： 提供了含有四氟铝酸盐离子的电解质，其优点在于可以防止电解质在电解电容器中从阴极和阳极泄漏。 1.一种电解电容器用电解质，其特征在于：（A）四氟铝酸盐离子，（B）至少一种选自下述的化合物：（1）至少一种选自邻苯二甲酰亚胺，喹啉， 二肟，硝基苯酚和含氨基的芳族羧酸; （2）至少一种选自铝络合物，硼酸酯和硅酸酯的化合物; （3）至少一种选自单环醌化合物和双环醌化合物的化合物; （4）三环或更高级多环醌化合物; 和（5）选自杂多酸及其盐中的至少一种化合物，含有四氟铝酸盐离子的电解电容器用电解质，相对于电解液中的铝，其自身电位为-0.95V以上 I3- / I-参比电极和使用该电极的电解电容器。

公开(公告)号：US07436651B2

公开(公告)日：2008-10-14

申请号：US11474351

申请日：2006-06-26

申请人： Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Takeshi Fujino ,  Byoungju Lee

发明人： Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Takeshi Fujino ,  Byoungju Lee

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。

公开(公告)号：US20070188979A1

公开(公告)日：2007-08-16

申请号：US11733936

申请日：2007-04-11

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

IPC分类号： H01G9/04 ,  H01G9/145

CPC分类号： H01G9/028 ,  H01G9/035 ,  H01G9/145 ,  H01G11/58 ,  Y02E60/13 ,  Y10T29/417

摘要： There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.

摘要翻译： 提供一种铝电解电容器，其包含阳极，包含铝的阴极和含有含氟阴离子的鎓盐的电解液，其中所述电解液的水浓度为1重量％以下，或者其中所述阴极具有 通过X射线光电子能谱（XPS）分析通过铝电解电容器中的阴极表面在125℃加热50小时的方法测量的74.0至75.8eV的Al2p光谱峰顶。 一种电解电容器用电解液，其含有四环四氟铝酸四烷基酯和溶剂，并含有0.6重量％以下的特定杂质化合物，以及使用该电解液的电解电容器。 以及有利地用于铝电解电容器中的四氟铝酸有机鎓的制备方法。

公开(公告)号：US07227738B2

公开(公告)日：2007-06-05

申请号：US10533234

申请日：2003-10-31

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

IPC分类号： H01G9/00 ,  H01G9/02

CPC分类号： H01G9/028 ,  H01G9/035 ,  H01G9/145 ,  H01G11/58 ,  Y02E60/13 ,  Y10T29/417

摘要： There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.

公开(公告)号：US20090034160A1

公开(公告)日：2009-02-05

申请号：US12088696

申请日：2006-09-29

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Masashi Ozawa

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Masashi Ozawa

IPC分类号： H01G9/035

CPC分类号： H01G9/035 ,  H01G9/145

摘要： Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor.An electrolyte for electrolytic capacitor, which comprises: (A) a tetrafluoroaluminate ion, and (B) at least one compound selected from the group consisting of: (1) at least one compound selected from the group consisting of a phthalimide, a quinoline, a dioxime, a nitrophenol and an amino group-containing aromatic carboxylic acid; (2) at least one compound selected from the group consisting of an aluminum complex, a boric acid ester and a silicic acid ester; (3) at least one compound selected from the group consisting of a monocyclic quinone compound and a bicyclic quinone compound; (4) a tricyclic or higher polycyclic quinone compound; and (5) at least one compound selected from a heteropoly acid and a salt thereof, an electrolyte for electrolytic capacitor containing a tetrafluoroaluminate ion, which has a self-potential of −0.95 V or more with respect to aluminum in the electrolyte, relative to an I3−/I− reference electrode, and an electrolytic capacitor using the same.

摘要翻译： 提供了含有四氟铝酸盐离子的电解质，其优点在于可以防止电解质在电解电容器中从阴极和阳极泄漏。 1.一种电解电容器用电解质，其特征在于：（A）四氟铝酸盐离子，（B）至少一种选自下述的化合物：（1）至少一种选自邻苯二甲酰亚胺，喹啉， 二肟，硝基苯酚和含氨基的芳族羧酸; （2）至少一种选自铝络合物，硼酸酯和硅酸酯的化合物; （3）至少一种选自单环醌化合物和双环醌化合物的化合物; （4）三环或更高级多环醌化合物; 和（5）选自杂多酸及其盐中的至少一种化合物，含有四氟铝酸盐离子的电解电容器用电解质，相对于电解液中的铝，其自身电位为-0.95V以上 I3- / I-参比电极和使用该电极的电解电容器。

公开(公告)号：US07397651B2

公开(公告)日：2008-07-08

申请号：US11733838

申请日：2007-04-11

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

IPC分类号： H01G9/00 ,  H01G9/02

CPC分类号： H01G9/028 ,  H01G9/035 ,  H01G9/145 ,  H01G11/58 ,  Y02E60/13 ,  Y10T29/417

摘要： There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.

摘要翻译： 提供一种铝电解电容器，其包含阳极，包含铝的阴极和含有含氟阴离子的鎓盐的电解液，其中所述电解液的水浓度为1重量％以下，或者其中所述阴极具有 通过X射线光电子能谱（XPS）分析通过铝电解电容器中的阴极表面在125℃加热50小时的方法测量的74.0至75.8eV的Al2p光谱峰顶。 一种电解电容器用电解液，其含有四环四氟铝酸四烷基酯和溶剂，并含有0.6重量％以下的特定杂质化合物，以及使用该电解液的电解电容器。 以及有利地用于铝电解电容器中的四氟铝酸有机鎓的制备方法。

公开(公告)号：US07391603B2

公开(公告)日：2008-06-24

申请号：US11435292

申请日：2006-05-17

申请人： Takeshi Fujino ,  Byoungju Lee ,  Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Daisuke Noda

发明人： Takeshi Fujino ,  Byoungju Lee ,  Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Daisuke Noda

IPC分类号： H01G9/00 ,  H01G9/02

CPC分类号： H01G9/155 ,  H01G9/038 ,  H01G11/60 ,  Y02E60/13

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％。

公开(公告)号：US07295424B2

公开(公告)日：2007-11-13

申请号：US11733936

申请日：2007-04-11

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

IPC分类号： H01G9/04 ,  H01G9/145

CPC分类号： H01G9/028 ,  H01G9/035 ,  H01G9/145 ,  H01G11/58 ,  Y02E60/13 ,  Y10T29/417

摘要： There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously used in an aluminum electrolytic capacitor.

摘要翻译： 提供一种铝电解电容器，其包含阳极，包含铝的阴极和含有含氟阴离子的鎓盐的电解液，其中所述电解液的水浓度为1重量％以下，或者其中所述阴极具有 通过X射线光电子能谱（XPS）分析通过铝电解电容器中的阴极表面在125℃加热50小时的方法测量的74.0至75.8eV的Al2p光谱峰顶。 一种电解电容器用电解液，其含有四环四氟铝酸四烷基酯和溶剂，并含有0.6重量％以下的特定杂质化合物，以及使用该电解液的电解电容器。 以及有利地用于铝电解电容器中的四氟铝酸有机鎓的制备方法。

公开(公告)号：US20060007629A1

公开(公告)日：2006-01-12

申请号：US10533234

申请日：2003-10-31

申请人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

发明人： Masayuki Takeda ,  Hiroo Miyauchi ,  Makoto Ue

IPC分类号： H01G4/34

CPC分类号： H01G9/028 ,  H01G9/035 ,  H01G9/145 ,  H01G11/58 ,  Y02E60/13 ,  Y10T29/417

摘要： There are provided an aluminum electrolytic capacitor comprising an anode, a cathode comprising aluminum and an electrolytic solution containing an onium salt of fluorine-containing anion, wherein the electrolytic solution has a water concentration of 1% by weight or less, or wherein the cathode has a peak top of Al2p spectrum of 74.0 to 75.8 eV as measured by a method in which the surface of the cathode in the aluminum electrolytic capacitor heated at 125° C. for 50 hours is analyzed by X-ray photoelectron spectroscopy (XPS); an electrolytic solution for electrolytic capacitor comprising a quaternary cyclic amidinium tetrafluoroaluminate and a solvent and containing specific impurity compounds in a total amount of 0.6% by weight or less, and an electrolytic capacitor using the electrolytic solution; and a method for preparing an organic onium tetrafluoroaluminate which is advantageously m used in an aluminum electrolytic capacitor.

摘要翻译： 提供一种铝电解电容器，其包含阳极，包含铝的阴极和含有含氟阴离子的鎓盐的电解液，其中所述电解液的水浓度为1重量％以下，或者其中所述阴极具有 通过X射线光电子能谱（XPS）分析通过铝电解电容器中的阴极表面在125℃加热50小时的方法测量的74.0至75.8eV的Al2p光谱峰顶。 一种电解电容器用电解液，其含有四环四氟铝酸四烷基酯和溶剂，并含有0.6重量％以下的特定杂质化合物，以及使用该电解液的电解电容器。 以及有利地用于铝电解电容器中的四氟铝酸有机鎓的制备方法。

公开(公告)号：US20070002522A1

公开(公告)日：2007-01-04

申请号：US11474351

申请日：2006-06-26

申请人： Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Takeshi Fujino ,  Byoungju Lee

发明人： Masayuki Takeda ,  Hideo Nagaoka ,  Hiroo Miyauchi ,  Takeshi Fujino ,  Byoungju Lee

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。