JP3423852B2 - Capacitor device - Google Patents
Capacitor deviceInfo
- Publication number
- JP3423852B2 JP3423852B2 JP02774297A JP2774297A JP3423852B2 JP 3423852 B2 JP3423852 B2 JP 3423852B2 JP 02774297 A JP02774297 A JP 02774297A JP 2774297 A JP2774297 A JP 2774297A JP 3423852 B2 JP3423852 B2 JP 3423852B2
- Authority
- JP
- Japan
- Prior art keywords
- double layer
- electric double
- conductive
- case member
- current collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims description 162
- 239000008151 electrolyte solution Substances 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 22
- 239000011347 resin Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- -1 polyethylene Polymers 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 229920002558 Curdlan Polymers 0.000 description 1
- 239000001879 Curdlan Substances 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 244000126211 Hericium coralloides Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001218 Pullulan Polymers 0.000 description 1
- 239000004373 Pullulan Substances 0.000 description 1
- ULBSHARUBMPIBQ-UHFFFAOYSA-J [F-].[F-].[F-].[F-].C(C)[N+](CC)(CC)CC.[B+3] Chemical compound [F-].[F-].[F-].[F-].C(C)[N+](CC)(CC)CC.[B+3] ULBSHARUBMPIBQ-UHFFFAOYSA-J 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 229940078035 curdlan Drugs 0.000 description 1
- 235000019316 curdlan Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 201000007830 familial atrial fibrillation Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000019423 pullulan Nutrition 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
- H01G11/12—Stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の電気二重層
キャパシタを直列に接続したキャパシタ装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a capacitor device in which a plurality of electric double layer capacitors are connected in series.
【０００２】[0002]
【従来の技術】一般に、固体電極と溶液との異なる２つ
の相が接触する界面では、極めて短い距離を隔てて正負
の電荷が対向して配列して電気二重層が形成され、この
電気二重層に電界を印加したときの静電容量は電極界面
の表面積に比例する。そこで、活性炭のような比表面積
の大きな物質を固体電極として用いることにより、前記
電気二重層をキャパシタとして利用することが知られて
いる。2. Description of the Related Art Generally, at an interface where two different phases of a solid electrode and a solution are in contact with each other, positive and negative charges are arranged opposite to each other at an extremely short distance to form an electric double layer. The capacitance when an electric field is applied to is proportional to the surface area of the electrode interface. Therefore, it is known to use the electric double layer as a capacitor by using a substance having a large specific surface area such as activated carbon as a solid electrode.
【０００３】前記電気二重層を利用するキャパシタとし
て、従来、実開平３−６９２２２号公報に記載されてい
るような電気二重層キャパシタが知られている。図１２
に示すように、前記公報記載の電気二重層キャパシタ３
１は、電解質溶液が含浸されたポリエチレン、ポリプロ
ピレン等からなる長尺の布で構成されるセパレータ３２
を所定長ごとに異なる方向に交互に折り返し、蛇腹状に
された前記セパレータ３２間に複数の板状活性炭電極３
３を配置して積層した構成となっている。前記電気二重
層キャパシタ３１では、前記のように積層された活性炭
電極３３の両側の前記セパレータ３２が折り返されてい
る間から、櫛歯状に形成された突起部３４を備える集電
部材３５ａ，３５ｂを挿入し、セパレータ３２の間で各
集電部材３５ａ，３５ｂの突起部３４を活性炭電極３３
に接続するようになっている。As a capacitor utilizing the electric double layer, an electric double layer capacitor as described in Japanese Utility Model Laid-Open No. 3-69222 is conventionally known. 12
As shown in FIG.
1 is a separator 32 composed of a long cloth made of polyethylene, polypropylene or the like impregnated with an electrolyte solution.
Are alternately folded back in different directions for each predetermined length, and a plurality of plate-like activated carbon electrodes 3 are provided between the separators 32 formed into a bellows shape.
3 is arranged and laminated. In the electric double layer capacitor 31, while the separators 32 on both sides of the activated carbon electrode 33 stacked as described above are folded back, current collecting members 35a, 35b having the protrusions 34 formed in a comb tooth shape. And the protrusions 34 of the current collecting members 35a and 35b are inserted between the separators 32 and the activated carbon electrode 33
It is designed to connect to.
【０００４】このようにすることにより、前記のように
積層された活性炭電極３３が１枚ずつ交互に異なる集電
部材３５ａ，３５ｂに接続されることになり、複数の活
性炭電極３３がセパレータ３２を介して互いに異なる極
が対面するように配置され、電気二重層キャパシタ３１
を小型で大容量にすることができる。By doing so, the activated carbon electrodes 33 stacked as described above are alternately connected to different current collecting members 35a and 35b one by one, and the plurality of activated carbon electrodes 33 form the separator 32. The different poles are arranged so as to face each other via the electric double layer capacitor 31.
Can be small and have a large capacity.
【０００５】しかしながら、前記従来の電気二重層キャ
パシタ３１では、各集電部材３５ａ，３５ｂを挿入する
際に、突起部３４が前記ポリエチレン、ポリプロピレン
等の布からなるセパレータ３２に接触して、これを損傷
する虞れがあり、セパレータ３２の損傷を避けようとす
ると製造方法が煩雑になるという不都合がある。However, in the conventional electric double layer capacitor 31, when the current collecting members 35a and 35b are inserted, the protrusions 34 come into contact with the separator 32 made of a cloth such as polyethylene or polypropylene, and the like. There is a risk of damage, and there is a disadvantage in that the manufacturing method becomes complicated if attempts are made to avoid damage to the separator 32.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、かかる不都
合を解消して、前記電気二重層キャパシタを直列に接続
するときに、内部抵抗が小さく、単位容積当たり高い出
力密度を得ることができるキャパシタ装置を提供するこ
とを目的とする。DISCLOSURE OF THE INVENTION The present invention solves this inconvenience, and when the electric double layer capacitors are connected in series, a capacitor having a small internal resistance and a high output density per unit volume can be obtained. The purpose is to provide a device.
【０００７】[0007]
【０００８】かかる目的を達成するために、本発明のキ
ャパシタ装置は、電解質溶液が含浸され、所定長ごとに
異なる方向に交互に折り返された長尺のセパレータと、
該セパレータ間に該セパレータを介して互いに異なる極
が対面するように積層された複数の電極板とからなり、
各電極板の端部に接続されセパレータ間から引き出され
る可撓性の集電部材を設けると共に、該集電部材を同極
ごとに該電極板に平行な方向で該電極板に対して同じ側
で結束し、結束された集電部材を同極ごとに該電極板の
積層方向の相異なる最外層側に配置した電気二重層キャ
パシタが該電極板の積層方向に複数積層されてなるキャ
パシタ装置であって、該電気二重層キャパシタは、筒状
で上下に開口端部を備える不導電性のケース部材内に、
該ケース部材により該電極板の積層方向に平行な側面を
囲繞されて収容され、該ケース部材は導電板を介して積
層されていて、該ケース部材は、該開口端部に沿ってリ
ブを設け、一のケース部材の該開口端部に沿って設けら
れたリブと、隣接する他のケース部材の該開口端部に沿
って設けられたリブとをクリップ部材により挟持するこ
とにより、積層されたケース部材同士が該導電板を挟持
して相互に結合されており、一の電気二重層キャパシタ
の結束された集電部材は、隣接する他の電気二重層キャ
パシタの異なる極の結束された集電部材と、該導電板を
介して接続されていることを特徴とする。In order to achieve such an object, the capacitor device of the present invention comprises a long separator impregnated with an electrolyte solution and alternately folded back in different directions for each predetermined length,
Consisting of a plurality of electrode plates laminated so that mutually different electrodes face each other through the separator between the separators,
A flexible current collecting member that is connected to the end of each electrode plate and is drawn out from between the separators is provided, and the current collecting members are arranged on the same side with respect to each electrode plate in a direction parallel to the electrode plate. A capacitor device in which a plurality of electric double layer capacitors, which are bundled together and are arranged on different outermost layers in different electrode stacking directions for the same poles, are stacked in the electrode plate stacking direction. Then, the electric double layer capacitor is a tubular, non-conductive case member having upper and lower open ends,
The case member encloses and accommodates a side surface parallel to the stacking direction of the electrode plates, and the case member is stacked via a conductive plate, and the case member has ribs along the opening end. , Laminated by sandwiching a rib provided along the opening end of one case member and a rib provided along the opening end of another adjacent case member with a clip member. The case members are coupled to each other with the conductive plate sandwiched therebetween, and the bundled current collecting member of one electric double layer capacitor is the bundled current collecting member of different poles of another adjacent electric double layer capacitor. It is characterized in that it is connected to a member through the conductive plate.
【０００９】前記電気二重層キャパシタは、各電極板の
端部に接続された可撓性の集電部材を前記セパレータ間
から引き出すことにより、該集電部材が同極ごとに結束
される。従って、前記電気二重層キャパシタは、前記集
電部材を各電極板に接続するために前記セパレータが損
傷される虞れがなく、容易に製造することができる。In the electric double layer capacitor, a flexible current collecting member connected to an end portion of each electrode plate is pulled out from between the separators so that the current collecting members are bundled for each same pole. Therefore, the electric double layer capacitor can be easily manufactured without fear of damaging the separator because the current collecting member is connected to each electrode plate.
【００１０】また、前記集電部材は、同極ごとに前記電
極板に平行な方向で該電極板に対して同じ側で結束さ
れ、結束された集電部材が該電極板の積層方向の相異な
る最外層側に配置される。従って、前記電気二重層キャ
パシタは、それ自体を単セルとして、前記電極板の積層
方向に該単セルを積層することにより、前記相異なる最
外層側に配置されている結束された集電部材を隣り合う
単セル同士で容易に接続することができ、容易に直列に
接続することができる。Further, the current collecting members are bundled on the same side with respect to the electrode plates in a direction parallel to the electrode plates for each same pole, and the bundled current collecting members are arranged in a phase in a laminating direction of the electrode plates. It is arranged on a different outermost layer side. Therefore, the electric double layer capacitor itself is a single cell, and by stacking the single cells in the stacking direction of the electrode plates, the bundled current collecting members arranged on the different outermost layer sides can be formed. Adjacent single cells can be easily connected to each other, and can be easily connected in series.
【００１１】そこで、本発明のキャパシタ装置は、前記
電気二重層キャパシタが該電極板の積層方向に複数積層
されてなる。本発明のキャパシタ装置は、前記電気二重
層キャパシタが、筒状で上下に開口端部を備える不導電
性のケース部材内に、該ケース部材により前記電極板の
積層方向に平行な側面を囲繞されて収容され、該ケース
部材は前記導電板を介して積層されていて、積層された
ケース部材同士が前記導電板を挟持して相互に結合され
ている。前記構成によれば、前記不導電性のケース部材
が前記電気二重層キャパシタを収容する筐体となると共
に、前記導電板が前記筐体の一部、即ち天板または底板
を構成する。従って、単位容積当たりに占める電気二重
層キャパシタの容積が大きくなり、出力密度を増大させ
ることができる。また、前記不導電性のケース部材は、
前記開口端部に沿ってリブを設け、前記導電板を介して
積層されたときに、一のケース部材の前記開口端部に沿
って設けられたリブと、隣接する他のケース部材の前記
開口端部に沿って設けられたリブとをクリップ部材によ
り挟持することにより相互に結合されている。前記ケー
ス部材によれば、所望の数の該ケース部材を前記クリッ
プ部材により容易に相互に結合することができ、前記電
気二重層キャパシタを直列に接続して所望の耐電圧を有
するキャパシタ装置を容易に構成することができる。Therefore, in the capacitor device of the present invention, a plurality of the electric double layer capacitors are laminated in the laminating direction of the electrode plates. In the capacitor device of the present invention, the electric double layer capacitor has a cylindrical, non-conductive case member having upper and lower open ends, and a side surface parallel to the stacking direction of the electrode plates is surrounded by the case member. The case members are stacked via the conductive plate, and the stacked case members are connected to each other with the conductive plate interposed therebetween. According to the above configuration, the non-conductive case member serves as a housing that houses the electric double layer capacitor, and the conductive plate forms a part of the housing, that is, a top plate or a bottom plate. Therefore, the volume of the electric double layer capacitor occupying per unit volume becomes large, and the power density can be increased. In addition, the non-conductive case member,
A rib is provided along the opening end, and when the ribs are stacked via the conductive plate, the rib is provided along the opening end of one case member and the opening of another case member adjacent to the rib. The ribs provided along the ends are sandwiched by clip members and are connected to each other. According to the case member, a desired number of the case members can be easily coupled to each other by the clip member, and the electric double layer capacitors are connected in series to facilitate a capacitor device having a desired withstand voltage. Can be configured to.
【００１２】本発明のキャパシタ装置において、前記複
数の電気二重層キャパシタは、キャパシタ同士の間に前
記セパレータを介して前記電極板に沿って配設された導
電板を介在させて積層され、一の電気二重層キャパシタ
の結束された集電部材は該導電板の一方の端部に接続さ
れ、隣接する他の電気二重層キャパシタの異なる極の結
束された集電部材は、該導電板の他方の端部に接続され
（第１の態様）、或いは一の電気二重層キャパシタの結
束された集電部材が、隣接する他の電気二重層キャパシ
タの異なる極の結束された集電部材と、前記電極板に平
行な方向で該電極板に対して同じ側で該導電板に接続さ
れている（第２の態様）。In the capacitor device of the present invention, the plurality of electric double layer capacitors are laminated by interposing a conductive plate arranged along the electrode plate via the separator between the capacitors. The bound current collecting member of the electric double layer capacitor is connected to one end of the conductive plate, and the bound current collecting members of different poles of the other adjacent electric double layer capacitors are connected to the other end of the conductive plate. The current collecting member connected to an end (first mode), or the bundled current collecting member of one electric double layer capacitor, and the bundled current collecting member of different poles of another adjacent electric double layer capacitor, and the electrode. It is connected to the conductive plate on the same side with respect to the electrode plate in a direction parallel to the plate (second aspect).
【００１３】前記キャパシタ装置によれば、各電気二重
層キャパシタ間に導電板が配設されるので、導電板によ
り該電気二重層キャパシタの形状を保持することができ
る。また、隣接する電気二重層キャパシタの結束された
集電部材が同一の導電板に接続されるので、前記結束さ
れた集電部材同士を接続するための内部抵抗を小さくす
ることができる。According to the above-mentioned capacitor device, since the conductive plates are arranged between the electric double layer capacitors, the shape of the electric double layer capacitors can be held by the conductive plates. In addition, since the bound current collecting members of the adjacent electric double layer capacitors are connected to the same conductive plate, it is possible to reduce the internal resistance for connecting the bound current collecting members.
【００１４】また、前記第２の態様のキャパシタ装置に
よれば、隣接する電気二重層キャパシタの結束された集
電部材が前記電極板に平行な方向で該電極板に対して同
じ側で接続されるので、該接続のための内部抵抗をさら
に小さくすることができる。Further, according to the capacitor device of the second aspect, the bound current collecting members of the adjacent electric double layer capacitors are connected to the electrode plate on the same side in a direction parallel to the electrode plate. Therefore, the internal resistance for the connection can be further reduced.
【００１５】[0015]
【００１６】[0016]
【００１７】[0017]
【００１８】[0018]
【００１９】また、本発明のキャパシタ装置は、前記積
層されたケース部材の前記開口端部を前記導電板を介し
て閉蓋する不導電性の閉蓋部材を備えることを特徴とす
る。本発明のキャパシタ装置は、前記ケース部材を前記
のように積層したときに、該ケース部材の上下の開口端
部を前記閉蓋部材で閉蓋することにより、該ケース部材
と該閉蓋部材とから構成される空間内に前記電気二重層
キャパシタを密封することができる。Further, the capacitor device of the present invention is characterized by comprising a non-conductive lid member for closing the open end portion of the laminated case members via the conductive plate. In the capacitor device according to the present invention, when the case members are stacked as described above, the upper and lower open end portions of the case members are closed by the cover members, so that the case members and the cover members are The electric double layer capacitor can be sealed in a space constituted by
【００２０】前記閉蓋部材は、ソケット部と、該ソケッ
ト部内に設けられ前記導電板に接続される端子とを備え
ることにより、本発明のキャパシタ装置を該ソケット部
を介して外部機器に接続することができる。また、前記
閉蓋部材は、その外縁部に沿ってリブを設け、前記導電
板を介して前記ケース部材の端部を閉蓋するときに、該
リブと、隣接するケース部材の前記開口端部に沿って設
けられたリブとをクリップ部材により挟持することによ
り相互に結合されていることにより、前記ケース部材と
共に本発明のキャパシタ装置を容易に構成することがで
きる。The lid member includes a socket portion and a terminal provided in the socket portion and connected to the conductive plate, so that the capacitor device of the present invention is connected to an external device through the socket portion. be able to. Further, the lid member is provided with a rib along an outer edge portion thereof, and when the end portion of the case member is closed via the conductive plate, the rib and the opening end portion of the case member adjacent to the rib. Since the ribs provided along the above are sandwiched by the clip member to be coupled to each other, the capacitor device of the present invention can be easily configured together with the case member.
【００２１】また、前記不導電性のケース部材は、前記
セパレータに含浸される電解質溶液を導入する導入孔を
備え、該導入孔は該電解質溶液の導入後に閉塞部材によ
り閉塞されることを特徴とする。前記ケース部材によれ
ば、前記のように該ケース部材と前記閉蓋部材とから構
成される空間内に前記電気二重層キャパシタを密封した
後、前記導入孔から前記電解質溶液を導入することがで
きる。また、前記電気二重層キャパシタが密封されたキ
ャパシタ装置の内圧が高くなったときには、前記閉塞部
材が前記導入孔から押し出されることにより、該導入孔
を介してキャパシタ装置の内外が導通され、前記内圧を
解放することができる。Further, the non-conductive case member has an introduction hole for introducing an electrolyte solution with which the separator is impregnated, and the introduction hole is closed by a closing member after the introduction of the electrolyte solution. To do. According to the case member, after the electric double layer capacitor is sealed in the space formed by the case member and the lid member as described above, the electrolyte solution can be introduced from the introduction hole. . Further, when the internal pressure of the capacitor device in which the electric double layer capacitor is sealed becomes high, the closing member is pushed out of the introduction hole, so that the inside and outside of the capacitor device are electrically connected through the introduction hole, and the internal pressure is increased. Can be released.
【００２２】また、本発明のキャパシタ装置は、前記電
気二重層キャパシタが、該電極板の積層方向に複数積層
されてなるキャパシタ装置であって、該電気二重層キャ
パシタは、筒状で上下に開口端部を備える導電性のケー
ス部材と、該ケース部材の内部を横断して該ケース部材
と一体的に形成された導電板とにより画成される空間内
に、該導電板を挟むと共に該ケース部材により該電極板
の積層方向に平行な側面を囲繞されて収容され、該ケー
ス部材は該ケース部材同士の間に配設された絶縁部材を
介して積層されていて、該導電性のケース部材は、該開
口端部に沿ってリブを設け、一のケース部材の前記開口
端部に沿って設けられたリブと、隣接する他のケース部
材の該開口端部に沿って設けられたリブとを絶縁性のク
リップ部材により挟持することにより、積層されたケー
ス部材同士が相互に結合されており、一の電気二重層キ
ャパシタの結束された集電部材は、隣接する他の電気二
重層キャパシタの異なる極の結束された集電部材と、該
導電板を介して接続されていることを特徴とする。The capacitor device of the present invention is a capacitor device in which a plurality of the electric double layer capacitors are stacked in the stacking direction of the electrode plates, and the electric double layer capacitor is cylindrical and has upper and lower openings. The conductive plate is sandwiched in a space defined by a conductive case member having an end portion and a conductive plate formed integrally with the case member so as to traverse the inside of the case member. A side surface of the electrode plate parallel to the stacking direction is surrounded and accommodated by a member, and the case member is stacked via an insulating member disposed between the case members, and the conductive case member Is a rib provided along the opening end, and a rib provided along the opening end of one case member, and a rib provided along the opening end of another adjacent case member. With an insulating clip member By holding the laminated case members, the stacked case members are coupled to each other, and the bundled current collecting member of one electric double layer capacitor is bound to the other poles of another adjacent electric double layer capacitor. It is characterized in that it is connected to an electric member via the conductive plate.
【００２３】前記構成によれば、前記導電性のケース部
材と導電板とが一体的に形成されて前記電気二重層キャ
パシタを収容する筐体となるので、単位容積当たりに占
める電気二重層キャパシタの容積がさらに大きくなり、
出力密度を増大させることができる。According to the above configuration, the conductive case member and the conductive plate are integrally formed to form a housing for housing the electric double layer capacitor, so that the electric double layer capacitor occupied per unit volume The volume is even larger,
The power density can be increased.
【００２４】前記ケース部材によれば、所望の数の該ケ
ース部材を前記クリップ部材により容易に相互に結合す
ることができ、前記電気二重層キャパシタを直列に接続
して所望の耐電圧を有するキャパシタ装置を容易に構成
することができる。According to the case member, a desired number of case members can be easily coupled to each other by the clip member, and the electric double layer capacitors are connected in series to have a desired withstand voltage. The device can be easily configured.
【００２５】また、前記ケース部材によれば、前記のよ
うに積層したときに、該ケース部材の最上層及び最下層
は前記電気二重層キャパシタを備えない空間とすること
により、該最上層及び最下層のケース部材と一体的に構
成された導電板が、キャパシタ装置の天板及び底板にな
る。従って、前記導電性のケース部材により構成される
本発明のキャパシタ装置は、前記最上層及び最下層のケ
ース部材と一体的に構成された導電板に導線を取着する
ことにより、容易に外部機器に接続することができる。Further, according to the case member, the uppermost layer and the lowermost layer of the case member, when laminated as described above, are spaces not provided with the electric double layer capacitor, whereby the uppermost layer and the uppermost layer are formed. The conductive plate integrally formed with the lower case member serves as a top plate and a bottom plate of the capacitor device. Therefore, in the capacitor device of the present invention configured by the conductive case member, the conductive wire is attached to the conductive plate integrally formed with the case members of the uppermost layer and the lowermost layer, so that the external device can be easily mounted. Can be connected to.
【００２６】尚、前記導電性のケース部材を前記のよう
に積層したときには、該ケース部材の最上層及び最下層
において、前記導電板の露出を防止して該導電板を保護
するために、前記不導電性のケース部材に用いられたも
のと同様の不導電性の閉蓋部材を備えることが望まし
い。When the conductive case members are laminated as described above, in order to prevent the conductive plates from being exposed and protect the conductive plates in the uppermost layer and the lowermost layer of the case members, It is desirable to have a non-conductive closure member similar to that used for non-conductive case members.
【００２７】前記導電性のケース部材は、前記セパレー
タに含浸される電解質溶液を導入する導入孔を備え、該
導入孔は該電解質溶液の導入後に閉塞部材により閉塞さ
れることを特徴とする。前記ケース部材によれば、前記
のように前記ケース部材と前記導電板とにより画成され
る空間内に、前記電気二重層キャパシタを密封した後、
前記導入孔から前記電解質溶液を導入することができ
る。また、前記電気二重層キャパシタが密封されたキャ
パシタ装置の内圧が高くなったときには、前記不導電性
のケース部材の場合と同様に、前記閉塞部材が前記導入
孔から押し出されて該導入孔によりキャパシタ装置の内
外を導通させることにより、前記内圧を解放することが
できる。The conductive case member has an introduction hole for introducing the electrolyte solution with which the separator is impregnated, and the introduction hole is closed by a closing member after the introduction of the electrolyte solution. According to the case member, after the electric double layer capacitor is sealed in the space defined by the case member and the conductive plate as described above,
The electrolyte solution can be introduced through the introduction hole. Further, when the internal pressure of the capacitor device in which the electric double layer capacitor is sealed becomes high, the closing member is pushed out of the introduction hole by the introduction hole as in the case of the non-conductive case member. The internal pressure can be released by conducting the inside and outside of the device.
【００２８】[0028]
【発明の実施の形態】次に、添付の図面を参照しながら
本発明の実施の形態についてさらに詳しく説明する。図
１は電気二重層キャパシタの構成を示す説明的断面図で
あり、図２は図１示の電気二重層キャパシタの製造方法
を示す説明的断面図であり、図３は図１示の電気二重層
キャパシタを直列に接続する一例を示す説明的断面図で
ある。BEST MODE FOR CARRYING OUT THE INVENTION Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. 1 is an explanatory sectional view showing the structure of the electric double layer capacitor, FIG. 2 is an explanatory sectional view showing a method of manufacturing the electric double layer capacitor shown in FIG. 1, and FIG. 3 is an electric double layer capacitor shown in FIG. It is explanatory sectional drawing which shows an example which connects a multilayer capacitor in series.
【００２９】また、図４は本発明のキャパシタ装置を構
成する単セルの一構成例を示す斜視図であり、図５は図
４のＶ−Ｖ線断面図、図６は図４のＶＩ−ＶＩ線断面図
であり、図７は本発明のキャパシタ装置の正面図であ
る。FIG. 4 is a perspective view showing one structural example of a single cell constituting the capacitor device of the present invention, FIG. 5 is a sectional view taken along line VV of FIG. 4, and FIG. 6 is VI- of FIG. FIG. 7 is a sectional view taken along line VI, and FIG. 7 is a front view of the capacitor device of the present invention.
【００３０】また、図８は図１示の電気二重層キャパシ
タを直列に接続する他の例を示す説明的断面図であり、
図９及び図１０は図１示の集電部材を結束する方法の他
の例を示す説明的断面図であり、図１１は本発明のキャ
パシタ装置を構成する単セルの他の構成例を示す説明的
断面図である。FIG. 8 is an explanatory sectional view showing another example in which the electric double layer capacitors shown in FIG. 1 are connected in series,
9 and 10 are explanatory cross-sectional views showing another example of the method of binding the current collecting members shown in FIG. 1, and FIG. 11 shows another example of the configuration of the single cell constituting the capacitor device of the present invention. It is an explanatory sectional view.
【００３１】図１に示すように、電気二重層キャパシタ
１は、電解質溶液が含浸された長尺のセパレータ２が所
定長ごとに異なる方向に交互に折り返され、蛇腹状にさ
れたセパレータ２間に該セパレータ２を介して互いに異
なる極が対面するように複数の電極板３が積層されてい
る。各電極板３の端部には、電極板３と略同幅で可撓性
の集電部材４が接続されており、集電部材４は電極板３
の全長に亘って埋設されている。As shown in FIG. 1, in the electric double layer capacitor 1, long separators 2 impregnated with an electrolyte solution are alternately folded back in different directions for each predetermined length, and are formed between bellows-shaped separators 2. A plurality of electrode plates 3 are laminated so that different electrodes face each other via the separator 2. A flexible current collecting member 4 having substantially the same width as that of the electrode plate 3 is connected to an end portion of each electrode plate 3, and the current collecting member 4 serves as the electrode plate 3.
Is buried over the entire length of.
【００３２】各電極板３は前記のように蛇腹状に折り返
されているセパレータ２により一方の端部が包み込まれ
ると共に、セパレータ２に包み込まれていない方の端部
は側面に露出しており、前記集電部材４は該露出してい
る方の端部でセパレータ２間から引き出される。各電極
板３は前記端部が交互に逆側の側面に露出しているの
で、前記集電部材４は同極ごとに電極板３に平行な方向
で電極板３に対して同じ側に引き出されることになる。
この結果、引き出された集電部材４は同極ごとに纏めら
れ、断面視Ｃ字状の結束部材５により結束される。結束
部材５は、それ自体導電性の材料により構成されてい
る。One end of each electrode plate 3 is wrapped by the separator 2 folded back in a bellows shape as described above, and the other end not wrapped by the separator 2 is exposed on the side surface. The current collecting member 4 is pulled out from between the separators 2 at the exposed end. Since the end portions of each electrode plate 3 are alternately exposed on the opposite side surface, the current collecting member 4 is pulled out to the same side with respect to the electrode plate 3 in the direction parallel to the electrode plate 3 for each pole. Will be done.
As a result, the extracted current collecting members 4 are grouped by the same pole and are bound by the binding member 5 having a C-shaped cross section. The bundling member 5 is made of a conductive material itself.
【００３３】尚、前記構成では、セパレータ２は集電部
材４が接続されている方向と平行する方向で前記のよう
に蛇腹状に折り返されているが、集電部材４が接続され
ている方向と直交する方向で蛇腹状に折り返されるよう
にしてもよい。In the above structure, the separator 2 is folded back in a bellows shape in the direction parallel to the direction in which the current collecting member 4 is connected, but in the direction in which the current collecting member 4 is connected. It may be folded back in a bellows shape in a direction perpendicular to the direction.
【００３４】そして、結束部材５による集電部材４の結
束部分６，７は、同極ごとに電極板３の積層方向の相異
なる最外層側に、例えば図１の場合には、結束部分６は
最上層側に、結束部分７は最下層側に配置される。The binding portions 6 and 7 of the current collecting member 4 formed by the binding member 5 are located on different outermost layers in the laminating direction of the electrode plates 3 for each pole, for example, in the case of FIG. Is arranged on the uppermost layer side, and the binding portion 7 is arranged on the lowermost layer side.
【００３５】前記セパレータ２を構成する材料として
は、通常の二次電池に用いられるエステル系、ケトン
系、エーテル系等の有機溶媒に対して不溶性であること
から、ポリエチレン、ポリプロピレン等のポリオレフィ
ン及びそれらの共重合体からなる樹脂、ポリアミド、ポ
リカーボネート、芳香族ポリアミド、フッ素樹脂等のよ
うに通常の濾過膜として市販されている樹脂素材であれ
ば、広く用いることができる。The material forming the separator 2 is insoluble in organic solvents such as ester-based, ketone-based, and ether-based organic solvents used in ordinary secondary batteries. Any resin material that is commercially available as an ordinary filtration membrane, such as a resin made of the above copolymer, polyamide, polycarbonate, aromatic polyamide, or fluororesin, can be widely used.
【００３６】前記ポリエチレン、ポリプロピレン等のポ
リオレフィン及びそれらの共重合体は、耐薬品性に優れ
安価である上、キャパシタとして使用したときにはシャ
ットダウン（熱閉塞）性を備えている点で好ましい。ま
た、前記ポリアミド、ポリカーボネートは、ポリオレフ
ィンより強度が高いので、キャパシタとして使用したと
きに電極圧迫力に対して優れた強度が得られる点で好ま
しい。また、前記芳香族ポリアミド、フッ素樹脂（四フ
ッ化エチレン、フッ化ビニリデン等）は、耐薬品性、耐
熱性に優れ、キャパシタとして使用したときに高温での
乾燥使用に耐えることができる点で好ましい。The above-mentioned polyolefins such as polyethylene and polypropylene and their copolymers are preferable because they have excellent chemical resistance and are inexpensive, and when used as a capacitor, they have a shutdown (heat blocking) property. Further, the polyamide and the polycarbonate have a higher strength than the polyolefin, and therefore, when used as a capacitor, they are preferable in that excellent strength can be obtained against the electrode pressing force. Further, the aromatic polyamide and the fluororesin (tetrafluoroethylene, vinylidene fluoride, etc.) are preferable because they have excellent chemical resistance and heat resistance and can withstand dry use at high temperature when used as a capacitor. .
【００３７】前記セパレータ２は、前記各樹脂素材をキ
ャパシタの用途、種類等に応じ前記特徴を考慮して適宜
選択し、延伸、コーティング、繊維化した多孔性膜とし
て、或いは前記各樹脂素材の複合膜として用いることが
できる。For the separator 2, each resin material is appropriately selected in consideration of the above characteristics in accordance with the use, type, etc. of the capacitor, and is formed as a porous film that is stretched, coated or fiberized, or is a composite of each resin material. It can be used as a membrane.
【００３８】前記各樹脂素材を単一膜として用いる場合
には、いずれも非常に薄膜化することができ、その厚さ
を数μｍにすることができるので、本発明の電気二重層
キャパシタの特徴である高密度充填に適する。また、前
記のように蛇腹状に折り返したときに、折り返し部がし
なやかに屈曲し、この部分での絶縁性を保証することが
できる。When each of the above resin materials is used as a single film, both can be made extremely thin and the thickness can be set to several μm. Therefore, the features of the electric double layer capacitor of the present invention are as follows. Suitable for high density packing. Further, as described above, when folded back in a bellows shape, the folded-back portion flexes flexibly, and the insulating property at this portion can be guaranteed.
【００３９】また、前記各樹脂素材を複合膜として用い
る場合には、電極圧迫力に対してさらに優れた耐久性が
得られ、該複合膜の基材に損傷を受けた場合にも、該基
材に複合される薄膜層で絶縁を保持することができる。Further, when each of the above resin materials is used as a composite film, more excellent durability against electrode pressing force can be obtained, and even when the base material of the composite film is damaged, Insulation can be maintained with a thin film layer that is composited with the material.
【００４０】尚、ポリカーボネートは、プロピレンカー
ボネート（ＰＣ）に対して溶解することがあるので、注
意が必要である。It should be noted that polycarbonate may dissolve in propylene carbonate (PC), so care should be taken.
【００４１】また、前記セパレータ２に含浸される電解
質溶液としては、例えば、アセトニトリル、プロピレン
カーボネート（ＰＣ）、ガンマブチロラクトン（ＧＢ
Ｌ）、ガンマバレロラクトン（ＧＶＬ）等の溶媒に、四
エチルアンモニウム四フッ化ホウ素塩（ＴＥＡＴＦＢ）
を溶解したものが用いられる。前記アセトニトリル、プ
ロピレンカーボネート、ガンマブチロラクトン等の溶媒
は比誘電率が高く、また、電解質の溶解性に優れている
ので、高い導電性を得ることができる。従って、高密度
電極に充填する際に、前記高い導電性により、前記電極
の低抵抗化を図ることができる。また、前記電解質溶液
は、低粘度であることから、前記電極の細部に対し、良
好な浸透性を得ることができる。The electrolyte solution with which the separator 2 is impregnated includes, for example, acetonitrile, propylene carbonate (PC), gamma butyrolactone (GB).
L), gamma valerolactone (GVL), etc., in a solvent such as tetraethylammonium tetrafluoride boron salt (TEATFB)
What melt | dissolved is used. Solvents such as acetonitrile, propylene carbonate, and gamma butyrolactone have a high relative dielectric constant and excellent electrolyte solubility, so that high conductivity can be obtained. Therefore, when the high density electrode is filled, the resistance of the electrode can be reduced due to the high conductivity. In addition, since the electrolyte solution has a low viscosity, it is possible to obtain good permeability to the details of the electrode.
【００４２】前記電解質溶液の濃度は、例えば溶媒とし
てＰＣを用いる場合、ＴＥＡＴＦＢの濃度が高いほど導
電率の向上が見込まれるが、安定した溶解性を得るため
には１モル／リットル程度とすることが好ましい。尚、
前記電解質溶液は１モル／リットル以下の濃度としても
差し支えなく、該電解質溶液の濃度は何ら本発明の電気
二重層キャパシタの特徴を限定するものではない。When PC is used as a solvent, for example, the concentration of the electrolyte solution is expected to improve as the concentration of TEATFB increases, but in order to obtain stable solubility, the concentration should be about 1 mol / liter. Is preferred. still,
The electrolyte solution may have a concentration of 1 mol / liter or less, and the concentration of the electrolyte solution does not limit the characteristics of the electric double layer capacitor of the present invention.
【００４３】前記電極板３は、粉末状、粒状、繊維状等
の活性炭を、ポリテトラフルオロエチレン（ＰＴＦ
Ｅ）、セルロース、プルラン、アラビアゴム、ＰＶＡ、
ＰＶＤＦ、アクリルカードラン、ブルテン等のバインダ
ーと共に混合し、シート状、ベルト状等の形状に成形し
て得られた板状活性炭等により構成される。前記板状活
性炭には、ケッチェンブラック、アセチレンブラック、
黒鉛、金属粉末等を導電剤として適宜混合することがで
きる。The electrode plate 3 is made of polytetrafluoroethylene (PTF) made of powdered, granular or fibrous activated carbon.
E), cellulose, pullulan, gum arabic, PVA,
It is composed of plate-like activated carbon obtained by mixing with a binder such as PVDF, acrylic curdlan, or bulletin and molding it into a sheet-like shape, a belt-like shape or the like. Ketjen black, acetylene black,
Graphite, metal powder or the like can be appropriately mixed as a conductive agent.
【００４４】また、前記電極板３は、繊維状活性炭をク
ロース状にしたものを用いてもよい。前記電極板３は、
繊維状活性炭をクロース状にすることにより、前記電解
質溶液が浸透しやすくなり、低抵抗化を図ることができ
ると共に、結着剤（バインダー）、導電材が不要にな
る。The electrode plate 3 may be made of cloth-like fibrous activated carbon. The electrode plate 3 is
By making the fibrous activated carbon into a cloth shape, the electrolyte solution can easily permeate, lowering the resistance and eliminating the need for a binder and a conductive material.
【００４５】また、繊維状活性炭をクロース状にした電
極板３は、ある程度の弾力性を有するため、セパレータ
２を損傷しにくい。また、パッケージングを行う際にあ
る程度の圧力をかけることができるので、電極板３及び
集電部材４の低抵抗化を図ることができると共に、容量
も増加することができる。Further, since the electrode plate 3 made of cloth-like fibrous activated carbon has elasticity to some extent, the separator 2 is not easily damaged. Further, since a certain amount of pressure can be applied when packaging is performed, the resistance of the electrode plate 3 and the current collecting member 4 can be reduced, and the capacity can be increased.
【００４６】前記活性炭は、ヤシ殻、ピッチ、石油コー
クス、フェノール、おが屑等の原料を炭化処理したの
ち、水蒸気賦活或いはＫＯＨ賦活することにより製造す
ることができる。また、前記繊維状活性炭の原料として
は、クロース状にするときの製造容易性等の点から、フ
ェノール系材料が好ましい。これらの活性炭は、１００
〜３０００ｍ2 ／ｇの比表面積を有する。The activated carbon can be produced by carbonizing raw materials such as coconut shell, pitch, petroleum coke, phenol and sawdust, and then activating steam or KOH. In addition, as a raw material of the fibrous activated carbon, a phenol-based material is preferable from the viewpoint of the ease of manufacturing when making into a cloth shape. These activated carbons are 100
It has a specific surface area of ˜3000 m 2 / g.
【００４７】前記可撓性の集電体４は、厚さ０．１ｍｍ
程度のアルミ箔を用いる。集電体４の材料としては、広
い電圧範囲で動作が可能であり、軽量かつ加工性に優れ
ている点でアルミニウムまたはアルミニウム合金等のア
ルミニウム系金属が好適に用いられる。また、動作電圧
により制約されるが、ニッケル、チタン、銅、鉄等の金
属或いはこれらの合金を用いることができる。The flexible current collector 4 has a thickness of 0.1 mm.
Use a level of aluminum foil. As a material of the current collector 4, an aluminum-based metal such as aluminum or an aluminum alloy is preferably used because it can operate in a wide voltage range, is lightweight, and has excellent workability. Further, although restricted by the operating voltage, a metal such as nickel, titanium, copper, iron or an alloy thereof can be used.
【００４８】電気二重層キャパシタ１は、図２示のよう
に、コイル８から引き出されたセパレータ２上に電極板
３を配置して、セパレータ２を電極板３の先端で該電極
板３側に折り返し、折り返されたセパレータ２上に再び
電極板３を配置するという動作を繰り返すことにより、
容易に製造することができる。In the electric double layer capacitor 1, as shown in FIG. 2, the electrode plate 3 is arranged on the separator 2 pulled out from the coil 8, and the separator 2 is attached to the electrode plate 3 side at the tip of the electrode plate 3. By repeating the operation of folding back and placing the electrode plate 3 again on the folded back separator 2,
It can be easily manufactured.
【００４９】電気二重層キャパシタ１は、前記のように
集電部材４の結束部分６，７が電極板３の積層方向の最
上層側及び最下層側に配置されているので、該電気二重
層キャパシタ１を単セルとして、複数の単セルをさらに
電極板３の積層方向に積層することにより、直列に接続
されたキャパシタ装置を容易に構成することができる。In the electric double layer capacitor 1, since the binding portions 6 and 7 of the collector member 4 are arranged on the uppermost layer side and the lowermost layer side in the stacking direction of the electrode plates 3 as described above, the electric double layer capacitor 1 is formed. By using the capacitor 1 as a single cell and further stacking a plurality of single cells in the stacking direction of the electrode plates 3, a capacitor device connected in series can be easily configured.
【００５０】図３は、同方向に配置された電気二重層キ
ャパシタ１ａ，１ｂを、両者のセパレータ２，２の間に
導電板９を介在させて積層する場合の例を示している。
このとき、電気二重層キャパシタ１ａでは、積層された
電極板３の最下層側に配置された集電部材４の結束部分
７が電気二重層キャパシタ１ａ，１ｂ間に介在する導電
板９の一方の端部に接続され、電気二重層キャパシタ１
ｂでは、積層された電極板３の最上層側に配置された集
電部材４の結束部分６が電気二重層キャパシタ１ａ，１
ｂ間に介在する導電板９の他方の端部に接続される。即
ち、電気二重層キャパシタ１ａの集電部材４の結束部分
７と電気二重層キャパシタ１ｂの集電部材４の結束部分
６とが、両キャパシタ１ａ，１ｂ間に介在する導電板９
を介して接続されている。FIG. 3 shows an example in which electric double layer capacitors 1a and 1b arranged in the same direction are laminated with a conductive plate 9 interposed between the two separators 2 and 2.
At this time, in the electric double layer capacitor 1a, the binding portion 7 of the current collecting member 4 arranged on the lowermost layer side of the stacked electrode plates 3 has one of the conductive plates 9 interposed between the electric double layer capacitors 1a and 1b. Electric double layer capacitor 1 connected to the end
In b, the binding portion 6 of the current collecting member 4 arranged on the uppermost layer side of the laminated electrode plates 3 has the electric double layer capacitors 1a and 1a.
It is connected to the other end of the conductive plate 9 interposed between b. That is, the binding portion 7 of the current collecting member 4 of the electric double layer capacitor 1a and the binding portion 6 of the current collecting member 4 of the electric double layer capacitor 1b are interposed between the capacitors 1a and 1b.
Connected through.
【００５１】前記導電板９は、厚さ０．５ｍｍ程度のア
ルミ板を用いる。導電板９の材料としては、広い電圧範
囲で動作が可能である点でアルミニウムまたはアルミニ
ウム合金が好適に用いられる。また、動作電圧により制
約されるが、ニッケル、チタン、銅、鉄等の金属或いは
これらの合金を用いることができる。The conductive plate 9 is an aluminum plate having a thickness of about 0.5 mm. As the material of the conductive plate 9, aluminum or aluminum alloy is preferably used because it can operate in a wide voltage range. Further, although restricted by the operating voltage, a metal such as nickel, titanium, copper, iron or an alloy thereof can be used.
【００５２】本発明のキャパシタ装置では、複数の電気
二重層キャパシタ１を積層するときには、個々の電気二
重層キャパシタ１を図４乃至図６に示すケース部材１０
に収容する。ケース部材１０は、不導電性樹脂であるポ
リテトラフルオロエチレン（ＰＴＦＥ）により構成され
る。前記ポリテトラフルオロエチレンによれば、ケース
部材１０を射出成形により形成することができ、また成
形時に融着することができる。In the capacitor device of the present invention, when a plurality of electric double layer capacitors 1 are stacked, each electric double layer capacitor 1 is provided with a case member 10 shown in FIGS.
To house. The case member 10 is made of polytetrafluoroethylene (PTFE) which is a non-conductive resin. According to the polytetrafluoroethylene, the case member 10 can be formed by injection molding and can be fused at the time of molding.
【００５３】ケース部材１０は、筒状で上下に開口端部
を備えており、内部に収容された電気二重層キャパシタ
１において前記のように積層された電極板３の積層方向
の側面を囲繞するようになっている。ケース部材１０
は、電気二重層キャパシタ１を収容したときに、その一
方の開口端部（図４示の場合には上端部）にセパレータ
２及び集電部材４の結束部分６が露出し、他方の開口端
部には図５示のように集電部材４の結束部分７が溶接さ
れた導電板９が配置されて、単セル１１を構成するよう
になっている。尚、ケース部材１０の上端面及び下端面
には、図示しないシール部材が嵌着される溝部１２が設
けられている。The case member 10 is cylindrical and has upper and lower open ends, and surrounds the side surface in the stacking direction of the electrode plates 3 stacked as described above in the electric double layer capacitor 1 housed inside. It is like this. Case member 10
When the electric double layer capacitor 1 is housed, the binding portion 6 of the separator 2 and the current collecting member 4 is exposed at one opening end portion (the upper end portion in the case of FIG. 4) of the electric double layer capacitor 1, and the other opening end portion is exposed. As shown in FIG. 5, a conductive plate 9 to which the binding portion 7 of the current collecting member 4 is welded is arranged in the portion to form a unit cell 11. In addition, a groove 12 into which a seal member (not shown) is fitted is provided on the upper end surface and the lower end surface of the case member 10.
【００５４】ケース部材１０の外側面には、上縁部及び
下縁部に沿って形成された横リブ１３ａと、横リブ１３
ａ，１３ａを垂直方向で接続する縦リブ１３ｂ，１３
ｃ，１３ｄとが備えられており、縦リブ１３ｂにはケー
ス部材１０の内面側に連通する連通孔１４が設けられて
いる。On the outer surface of the case member 10, lateral ribs 13a formed along the upper and lower edges and the lateral ribs 13 are formed.
Vertical ribs 13b and 13 for connecting a and 13a in the vertical direction
c, 13d, and the vertical rib 13b is provided with a communication hole 14 communicating with the inner surface side of the case member 10.
【００５５】連通孔１４は、セパレータ２に含浸される
電解質溶液を導入する導入孔であり、電解質溶液導入後
は図６示のボール１５が嵌入される。ボール１５は、Ｐ
ＴＦＥ等、ケース部材１０と同一の樹脂からなり、連通
孔１４を密封して閉塞する閉塞部材である。ボール１５
は、後述のように単セル１１（電気二重層キャパシタ１
が収容されたケース部材１０）を積層して構成されたキ
ャパシタ装置において、該キャパシタ装置の内圧が高く
なったときには連通孔１４から押し出され、連通孔１４
を介して該キャパシタ装置の内外が導通されるようにな
っている。The communication hole 14 is an introduction hole for introducing the electrolyte solution with which the separator 2 is impregnated, and the ball 15 shown in FIG. 6 is inserted after the introduction of the electrolyte solution. Ball 15 is P
The blocking member is made of the same resin as the case member 10 such as TFE and seals and closes the communication hole 14. Ball 15
Is a unit cell 11 (electric double layer capacitor 1
In a capacitor device configured by stacking case members 10) accommodating the same, when the internal pressure of the capacitor device becomes high, the capacitor device is pushed out from the communication hole 14 and the communication hole 14
The inside and outside of the capacitor device are electrically connected via the.
【００５６】本発明のキャパシタ装置１６は、図７に示
すように、複数の単セル１１が電極板３の積層方向と同
方向に積層されることにより形成される。また、キャパ
シタ装置１６では最上層及び最下層にエンドプレート１
７ａ，１７ｂが配置される。As shown in FIG. 7, the capacitor device 16 of the present invention is formed by stacking a plurality of single cells 11 in the same direction as the stacking direction of the electrode plates 3. Further, in the capacitor device 16, the end plates 1 are provided on the uppermost layer and the lowermost layer.
7a and 17b are arranged.
【００５７】エンドプレート１７ａは、ＰＴＦＥ樹脂等
のケース部材１０と同一の樹脂によりケース部材１０の
上端を閉蓋可能な形状に形成され、その下端縁に沿って
ケース部材１０と同様の横リブ１３ａが形成されてい
る。また、エンドプレート１７ａは、その上面の中央部
に、内部に端子１８ａを備えるソケット部１９ａが設け
られている。そして、エンドプレート１７ａは、下端部
に配置された導電板９を介して隣接する単セル１１内に
収容された電気二重層キャパシタ１の集電部材４の結束
部分６（図示せず）に接続されると共に、端子１８ａが
導電板９に接続されている。The end plate 17a is made of the same resin as the case member 10 such as PTFE resin, and has a shape capable of closing the upper end of the case member 10. Along the lower edge of the end plate 17a, a horizontal rib 13a similar to the case member 10 is formed. Are formed. Further, the end plate 17a is provided with a socket portion 19a having a terminal 18a therein at the center of the upper surface thereof. Then, the end plate 17a is connected to the binding portion 6 (not shown) of the current collecting member 4 of the electric double layer capacitor 1 housed in the adjacent single cell 11 via the conductive plate 9 arranged at the lower end. At the same time, the terminal 18a is connected to the conductive plate 9.
【００５８】エンドプレート１７ｂは、ケース部材１０
の下端を閉蓋可能な形状に形成されている以外は、エン
ドプレート１７ａと同様の構成となっており、その上端
縁に沿ってケース部材１０と同様の横リブ１３ａが形成
され、その下面の中央部には内部に端子１８ｂを備える
ソケット部１９ｂが設けられている。そして、エンドプ
レート１７ｂは、端子１８ｂが隣接する単セル１１に配
設された導電板９に接続されるようになっている。The end plate 17b is the case member 10
The end plate 17a has a configuration similar to that of the end plate 17a except that the lower end of the case is formed so as to be capable of closing a lid, and a horizontal rib 13a similar to that of the case member 10 is formed along the upper end edge of the end plate 17a. A socket portion 19b having a terminal 18b therein is provided in the central portion. The end plate 17b is configured such that the terminal 18b is connected to the conductive plate 9 arranged in the adjacent single cell 11.
【００５９】前記のように積層された複数の単セル１１
及びエンドプレート１７ａ，１７ｂが、クリップ部材２
０により互いに結合されることにより、直列に接続され
た複数の電気二重層キャパシタ１が複数のケース部材１
０とエンドプレート１７ａ，１７ｂとにより画成される
空間に密封されキャパシタ装置１６が形成される。A plurality of unit cells 11 stacked as described above
And the end plates 17a and 17b are the clip members 2
The plurality of electric double layer capacitors 1 connected in series by being coupled to each other by 0
0 and the end plates 17a and 17b are sealed in a space to form the capacitor device 16.
【００６０】クリップ部材２０は、図７示のように、断
面視Ｃ字状で弾性を備えており、その開口部に隣接する
単セル１１同士または単セル１１とエンドプレート１７
ａ，１７ｂとの横リブ１３ａ，１３ａが嵌着されたとき
に、前記弾性により横リブ１３ａ，１３ａを挟持する。
クリップ部材２０は、単セル１１の短辺側では縦リブ１
３ｂの両側に２個、単セル１１の長辺側では縦リブ１３
ｃまたは１３ｄの両側に計４個配置される。As shown in FIG. 7, the clip member 20 is C-shaped in cross section and has elasticity, and the single cells 11 adjacent to the opening thereof or the single cells 11 and the end plate 17 are adjacent to each other.
When the lateral ribs 13a, 13a with the a, 17b are fitted, the lateral ribs 13a, 13a are sandwiched by the elasticity.
The clip member 20 has a vertical rib 1 on the short side of the unit cell 11.
Two on both sides of 3b, and vertical ribs 13 on the long side of the unit cell 11.
Four pieces are arranged on both sides of c or 13d.
【００６１】キャパシタ装置１６は、前記のようにして
複数の単セル１１及びエンドプレート１７ａ，１７ｂを
結合したのち、連通孔１４から電解質溶液として、ＴＥ
ＡＴＦＢの１モル／リットル−ＰＣ溶液を導入し、セパ
レータ２に該電解質溶液を含浸させる。そして、前記電
解質溶液導入後、連通孔１４にボール１５を打ち込むこ
とにより密封して、キャパシタ装置１６が完成する。前
記キャパシタ装置１６では、端子１８ａ，１８ｂによ
り、充放電を行うことができる。In the capacitor device 16, after the plurality of unit cells 11 and the end plates 17a and 17b are coupled as described above, TE is used as an electrolyte solution from the communication hole 14.
A 1 mol / liter-PC solution of ATFB is introduced to impregnate the separator 2 with the electrolyte solution. Then, after the introduction of the electrolyte solution, the ball 15 is driven into the communication hole 14 to seal the ball 15 so that the capacitor device 16 is completed. In the capacitor device 16, charging / discharging can be performed by the terminals 18a and 18b.
【００６２】本実施形態では、静電容量１０００Ｆの単
セル１１を１２個直列に接続することにより、静電容量
８３．３Ｆ、内部抵抗７．８６ｍΩのキャパシタ装置１
６が得られた。キャパシタ装置１６は、定格電圧１５〜
３０Ｖ、定格電圧１２５Ａで、２ｋＷ×１０秒、２０ｋ
Ｊの出力が得られた。In this embodiment, 12 unit cells 11 each having an electrostatic capacity of 1000 F are connected in series to obtain a capacitor device 1 having an electrostatic capacity of 83.3 F and an internal resistance of 7.86 mΩ.
6 was obtained. The capacitor device 16 has a rated voltage of 15 to
30V, rated voltage 125A, 2kW × 10 seconds, 20k
The output of J was obtained.
【００６３】本実施態様では、図３示のように、同方向
に配置された電気二重層キャパシタ１ａ，１ｂを、両者
のセパレータ２，２の間に導電板９を介在させて積層し
ているが、図８示のように、電気二重層キャパシタ１
ａ，１ｂを、両者のセパレータ２，２の間に介在される
導電板９に対して線対称になるように配置してもよい。
このようにすると、電気二重層キャパシタ１ａの集電部
材４の結束部分７と、電気二重層キャパシタ１ｂの集電
部材４の結束部分６とが、両キャパシタ１ａ，１ｂ間に
介在する導電板９の同一の側の端部に接続されるので、
両キャパシタ１ａ，１ｂを直列に接続するための内部抵
抗をさらに小さくすることができる。In this embodiment, as shown in FIG. 3, electric double layer capacitors 1a and 1b arranged in the same direction are laminated with a conductive plate 9 interposed between the separators 2 and 2. However, as shown in FIG.
The a and 1b may be arranged in line symmetry with respect to the conductive plate 9 interposed between the two separators 2 and 2.
By doing so, the binding portion 7 of the current collecting member 4 of the electric double layer capacitor 1a and the binding portion 6 of the current collecting member 4 of the electric double layer capacitor 1b intervene between the capacitors 1a and 1b. Since it is connected to the end on the same side of
The internal resistance for connecting both capacitors 1a and 1b in series can be further reduced.
【００６４】[0064]
【００６５】また、本実施態様では、各集電部材４を各
電気二重層キャパシタ１の同極ごとに結束部材５を用い
て結束し、結束部分６，７を結束部材５を介して導電板
９に溶着するようにしているが、図９（ａ）示のよう
に、電気二重層キャパシタ１の同極ごとに各集電部材４
で導電板９を包み込み、クリップ部材５ａを用いて各集
電部材４を導電板９に留めることにより結束するように
してもよい。図９（ａ）示のようにするときには、各集
電部材４を直接導電板９に接触させて結束することがで
きるので、結束部材５を導電板９に溶着する必要がな
い。また、クリップ部材５ａは前記集電部材４を導電板
９に留める弾性を備えるものであれば、それ自体導電性
でなくともよく、ＰＴＦＥ等の樹脂であってもよい。Further, in this embodiment, each current collecting member 4 is bound by the binding member 5 for each pole of each electric double layer capacitor 1, and the binding portions 6 and 7 are bound by the conductive plate. However, as shown in FIG. 9A, each current collecting member 4 is provided for each pole of the electric double layer capacitor 1.
The conductive plate 9 may be wrapped with and the respective current collecting members 4 may be bound by being fastened to the conductive plate 9 using the clip member 5a. In the case of the configuration shown in FIG. 9A, each current collecting member 4 can be brought into direct contact with the conductive plate 9 to be bound, so that it is not necessary to weld the binding member 5 to the conductive plate 9. Further, the clip member 5a may not be conductive itself and may be a resin such as PTFE as long as it has elasticity to hold the current collecting member 4 on the conductive plate 9.
【００６６】また、電気二重層キャパシタ１ａ，１ｂを
両者の間に介在される導電板９に対して線対称になるよ
うに配置するときには、図９（ｂ）に示すように、電気
二重層キャパシタ１ａ，１ｂの相異なる極の各集電部材
４で交互に前記導電板９を包み込み、各集電部材４で包
み込まれた前記導電板９を、内側面の各集電部材４に対
応する位置に凹部５ｂが設けられたケース部材１０ａ，
１０ａの間に挟持するようにしてもよい。図９（ｂ）示
のようにするときには、各集電部材４で包み込まれた前
記導電板９がケース部材１０ａ，１０ａの間に形成され
る凹部５ｂに嵌合された状態となるので、前記結束部材
５を用いることなく、各集電部材４を直接導電板９に接
触させて結束することができる。When the electric double layer capacitors 1a and 1b are arranged in line symmetry with respect to the conductive plate 9 interposed therebetween, as shown in FIG. 9B, the electric double layer capacitors 1a and 1b are arranged. The conductive plates 9 are alternately wrapped by the current collecting members 4 having different poles 1a and 1b, and the conductive plates 9 wrapped by the current collecting members 4 are located at positions corresponding to the current collecting members 4 on the inner surface. A case member 10a having a recess 5b formed in
It may be sandwiched between 10a. 9 (b), the conductive plate 9 wrapped by each current collecting member 4 is fitted in the recess 5b formed between the case members 10a, 10a. Each current collecting member 4 can be brought into direct contact with the conductive plate 9 to be bound without using the binding member 5.
【００６７】また、各集電部材４は、各電気二重層キャ
パシタ１の同極ごとに結束し、図１０示のように、導電
性部材からなる集電プレート２１に溶着し、集電プレー
ト２１をさらに導電板９に溶着するようにしてもよい。Further, each current collecting member 4 is bound to each of the same poles of each electric double layer capacitor 1, and is welded to the current collecting plate 21 made of a conductive member as shown in FIG. May be further welded to the conductive plate 9.
【００６８】さらに、本実施態様では、ケース部材１０
を前記不導電性のＦＥＴＰ等の樹脂により形成している
が、図１１に示すように、筒状で上下に開口端部を備え
るケース部材２２をアルミニウムで形成し、導電板９が
ケース部材２２内を横断して該ケース部材２２と一体的
に形成されるようにしてもよい。ケース部材２２は、上
端縁及び下端縁に沿って形成されている横リブ２３及び
電解質溶液を導入するための連通孔（図示せず）を備え
ている。Further, in this embodiment, the case member 10
11 is made of a resin such as the above-mentioned non-conductive FETP. As shown in FIG. 11, a case member 22 having a tubular shape and having upper and lower open ends is made of aluminum, and the conductive plate 9 is made of the case member 22. It may be formed integrally with the case member 22 across the inside. The case member 22 includes lateral ribs 23 formed along the upper and lower edges and a communication hole (not shown) for introducing the electrolyte solution.
【００６９】前記ケース部材２２によれば、導電板９の
上側に、該導電板９と該ケース部材２２とにより画成さ
れる空間に電気二重層キャパシタ１ａの下半分が収容さ
れ、導電板９の下側に、該導電板９と該ケース部材２２
とにより画成される空間に電気二重層キャパシタ１ｂの
上半分が収容される。そして、電気二重層キャパシタ１
ａの集電部材４の結束部分７と、電気二重層キャパシタ
１ｂの集電部材４の結束部分６とが、導電板９の同一の
側の端部に接続される。According to the case member 22, the lower half of the electric double layer capacitor 1a is accommodated in the space defined by the conductive plate 9 and the case member 22 above the conductive plate 9, and the conductive plate 9 is formed. The conductive plate 9 and the case member 22 on the lower side.
The upper half of electric double layer capacitor 1b is housed in the space defined by. Then, the electric double layer capacitor 1
The bundling portion 7 of the current collecting member 4 of a and the bundling portion 6 of the current collecting member 4 of the electric double layer capacitor 1b are connected to the ends of the conductive plate 9 on the same side.
【００７０】前記ケース部材２２は、それ自体導電性で
あるので、ケース部材２２同士の間にＰＴＦＥ樹脂等の
不導電性材料からなる絶縁部材２４を介在させて積層さ
れる。尚、ケース部材２２に収容される電気二重層キャ
パシタ１ａは、下半分が導電板９の上側に導電板９とケ
ース部材２２とにより画成される空間に収容され、上半
分は隣接するケース部材２２の導電板９の下側に該導電
板９とケース部材２２とにより画成される空間に収容さ
れる。Since the case member 22 is itself conductive, the case members 22 are laminated with the insulating member 24 made of a non-conductive material such as PTFE resin interposed between the case members 22. In the electric double layer capacitor 1a housed in the case member 22, the lower half is housed in the space defined by the conductive plate 9 and the case member 22 above the conductive plate 9, and the upper half is the adjacent case member. 22 is accommodated in the space below the conductive plate 9 defined by the conductive plate 9 and the case member 22.
【００７１】前記のようにして積層されたケース部材２
２は、図７示のキャパシタ装置１６と同様にして、横リ
ブ２３と隣接するケース部材２２の横リブ２３とを絶縁
性のクリップ部材（図示せず）で挟持することにより、
ケース部材２２同士が相互に結合される。Case member 2 laminated as described above
2, by sandwiching the horizontal rib 23 and the horizontal rib 23 of the adjacent case member 22 with an insulating clip member (not shown) in the same manner as the capacitor device 16 shown in FIG.
The case members 22 are coupled to each other.
【００７２】尚、図１１の例では、電気二重層キャパシ
タ１ａ，１ｂを導電板９に対して線対称に配置している
が、図３示のように電気二重層キャパシタ１ａ，１ｂを
同方向に配置するようにしてもよい。In the example of FIG. 11, the electric double layer capacitors 1a and 1b are arranged in line symmetry with respect to the conductive plate 9. However, as shown in FIG. 3, the electric double layer capacitors 1a and 1b are arranged in the same direction. It may be arranged at.
【図１】電気二重層キャパシタの構成を示す説明的断面
図。FIG. 1 is an explanatory cross-sectional view showing the configuration of an electric double layer capacitor.
【図２】図１示の電気二重層キャパシタの製造方法を示
す説明的断面図。2 is an explanatory cross-sectional view showing a method for manufacturing the electric double layer capacitor shown in FIG.
【図３】図１示の電気二重層キャパシタを直列に接続す
る一例を示す説明的断面図。3 is an explanatory sectional view showing an example in which the electric double layer capacitors shown in FIG. 1 are connected in series.
【図４】本発明のキャパシタ装置を構成する単セルの一
構成例を示す斜視図。FIG. 4 is a perspective view showing a configuration example of a single cell constituting the capacitor device of the present invention.
【図５】図４のＶ−Ｖ線断面図。5 is a sectional view taken along line VV of FIG.
【図６】図４のＶＩ−ＶＩ線断面図。6 is a sectional view taken along line VI-VI of FIG.
【図７】本発明のキャパシタ装置の正面図。FIG. 7 is a front view of the capacitor device according to the present invention.
【図８】図１示の電気二重層キャパシタを直列に接続す
る他の例を示す説明的断面図。8 is an explanatory cross-sectional view showing another example in which the electric double layer capacitors shown in FIG. 1 are connected in series.
【図９】図１示の集電部材を結束する方法の他の例を示
す説明的断面図。9 is an explanatory cross-sectional view showing another example of a method of binding the current collecting members shown in FIG.
【図１０】図１示の集電部材を結束する方法のさらに他
の例を示す説明的断面図。10 is an explanatory cross-sectional view showing still another example of the method of binding the current collecting members shown in FIG.
【図１１】本発明のキャパシタ装置を構成する単セルの
他の構成例を示す説明的断面図。FIG. 11 is an explanatory cross-sectional view showing another configuration example of the single cell that constitutes the capacitor device of the present invention.
【図１２】従来の電気二重層キャパシタの構成を示す説
明的断面図。FIG. 12 is an explanatory sectional view showing the structure of a conventional electric double layer capacitor.
１…電気二重層キャパシタ、 ２…セパレータ、 ３…
電極板、 ４…集電部材、 ６，７…結束された集電部
材、 ９…導電板、 １０…不導電性ケース部材、 ２
２…導電性ケース部材、 ２４…絶縁部材。1 ... Electric double layer capacitor, 2 ... Separator, 3 ...
Electrode plate, 4 ... Current collecting member, 6, 7 ... Bound current collecting member, 9 ... Conductive plate, 10 ... Non-conductive case member, 2
2 ... Conductive case member, 24 ... Insulating member.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小林 啓人 埼玉県和光市中央１丁目４番１号 株式 会社本田技術研究所内 (56)参考文献 特開 平７−240347（ＪＰ，Ａ) 特開 平４−154106（ＪＰ，Ａ) 実開 平３−69222（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01G 9/016 H01G 9/155 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Keito Kobayashi 1-4-1 Chuo, Wako-shi, Saitama Inside Honda R & D Co., Ltd. (56) Reference JP-A-7-240347 (JP, A) JP Flat 4-154106 (JP, A) Actual flat 3-69222 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H01G 9/016 H01G 9/155
Claims (9)
る方向に交互に折り返された長尺のセパレータと、該セ
パレータ間に該セパレータを介して互いに異なる極が対
面するように積層された複数の電極板とからなり、各電
極板の端部に接続されセパレータ間から引き出される可
撓性の集電部材を設けると共に、該集電部材を同極ごと
に該電極板に平行な方向で該電極板に対して同じ側で結
束し、結束された集電部材を同極ごとに該電極板の積層
方向の相異なる最外層側に配置した電気二重層キャパシ
タが該電極板の積層方向に複数積層されてなるキャパシ
タ装置であって、 該電気二重層キャパシタは、筒状で上下に開口端部を備
える不導電性のケース部材内に、該ケース部材により該
電極板の積層方向に平行な側面を囲繞されて収容され、
該ケース部材は導電板を介して積層されていて、 該ケース部材は、該開口端部に沿ってリブを設け、一の
ケース部材の該開口端部に沿って設けられたリブと、隣
接する他のケース部材の該開口端部に沿って設けられた
リブとをクリップ部材により挟持することにより、積層
されたケース部材同士が該導電板を挟持して相互に結合
されており、 一の電気二重層キャパシタの結束された集電部材は、隣
接する他の電気二重層キャパシタの異なる極の結束され
た集電部材と、該導電板を介して接続されていることを
特徴とするキャパシタ装置。 1. An electrolyte solution is impregnated, which is different for each predetermined length.
Long separators that are alternately folded back in the direction
Different poles are paired between the parators through the separator.
It consists of multiple electrode plates stacked so that they face each other.
It can be connected to the end of the electrode plate and pulled out from between the separators.
A flexible current collecting member is provided, and the current collecting member is provided with the same pole.
To the electrode plate on the same side in a direction parallel to the electrode plate.
The current collectors that are bundled and bundled are laminated on the electrode plates for each pole.
Electric double layer capacities arranged on the outermost layers in different directions
A plurality of capacitors are stacked in the stacking direction of the electrode plates.
The electric double layer capacitor is a tubular device having open and closed open ends.
Inside the non-conductive case member by the case member.
The side faces parallel to the stacking direction of the electrode plates are enclosed and housed,
The case member is laminated via a conductive plate, the case member is provided with a rib along the opening end,
A rib provided along the opening end of the case member, and
Provided along the opening end of another case member that contacts
By sandwiching the rib and the clip member,
Case members sandwiched by the conductive plates are connected to each other
The current collecting member of the electric double layer capacitor is
The different poles of the other electric double layer capacitors touching are bound together.
Connected to the current collecting member via the conductive plate.
Characteristic capacitor device.
電部材は、前記導電板の一方の端部に接続され、隣接す
る他の電気二重層キャパシタの異なる極の結束された集
電部材は、該導電板の他方の端部に接続されていること
を特徴とする請求項１記載のキャパシタ装置。 2. A united collection of electric double layer capacitors.
The electric member is connected to one end of the conductive plate and is
Bounded assembly of different poles of another electric double layer capacitor
The electric member is connected to the other end of the conductive plate.
The capacitor device according to claim 1, wherein:
電部材は、隣接する他の電気二重層キャパシタの異なる
極の結束された集電部材と、前記電極板に平行な方向で
該電極板に対して同じ側で、前記導電板に接続されてい
ることを特徴とする請求項１ 記載のキャパシタ装置。 3. A united collection of electric double layer capacitors.
The electric member is different from that of the other adjacent electric double layer capacitor.
In a direction parallel to the current collecting member with the bound poles and the electrode plate
Connected to the conductive plate on the same side with respect to the electrode plate
The capacitor device according to claim 1, wherein:
を前記導電板を介して閉蓋する不導電性の閉蓋部材を備
えることを特徴とする請求項１記載のキャパシタ装置。 4. The open end of the laminated case members.
A non-conductive lid member for closing the lid via the conductive plate.
The capacitor device according to claim 1, wherein
ト部内に設けられ前記導電板に接続される端子とを備え
ることを特徴とする請求項４記載のキャパシタ装置。 5. The lid member includes a socket portion and the socket.
A terminal that is provided in the housing and is connected to the conductive plate.
The capacitor device according to claim 4, wherein:
を設け、前記導電板を介して前記ケース部材の端部を閉
蓋するときに、該リブと、隣接するケース部材の前記開
口端部に沿って設けられたリブとをクリップ部材により
挟持することにより相互に結合されていることを特徴と
する請求項４記載のキャパシタ装置。 6. The lid member includes ribs along the outer edge of the lid member.
To close the end of the case member through the conductive plate.
When the lid is closed, the rib and the adjacent case member are opened.
The clip provided with the rib provided along the mouth end
Characterized by being connected to each other by sandwiching
The capacitor device according to claim 4.
ータに含浸される電解質溶液を導入する導入孔を備え、
該導入孔は該電解質溶液の導入後に閉塞部材により閉塞
されることを特徴とする請求項１記載のキャパシタ装
置。 7. The non-conductive case member is the separator.
Equipped with an introduction hole for introducing an electrolyte solution to be impregnated in the data,
The introduction hole is closed by a closing member after the introduction of the electrolyte solution.
The capacitor device according to claim 1, wherein
Place
る方向に交互に折り返された長尺のセパレータと、該セ
パレータ間に該セパレータを介して互いに異なる極が対
面するように積層された複数の電極板とからなり、各電
極板の端部に接続されセパレータ間から引き出される可
撓性の集電部材を設けると共に、該集電部材を同極ごと
に該電極板に平行な方向で該電極板に対して同じ側で結
束し、結束された集電部材を同極ごとに該電極板の積層
方向の相異なる最外層側に配置した電気二重層キャパシ
タが該電極板の積層方向に複数積層されてなるキャパシ
タ装置であって、 該電気二重層キャパシタは、筒状で上下に開口端部を備
える導電性のケース部材と、該ケース部材の内部を横断
して該ケース部材と一体的に形成された導電板とにより
画成される空間内に、該導電板を挟むと共に該ケース部
材により該電極板の積層方向に平行な側面を囲繞されて
収容され、該ケース部材は該ケース部材 同士の間に配設
された絶縁部材を介して積層されていて、 該導電性のケース部材は、該開口端部に沿ってリブを設
け、一のケース部材の前記開口端部に沿って設けられた
リブと、隣接する他のケース部材の該開口端部に沿って
設けられたリブとを絶縁性のクリップ部材により挟持す
ることにより、積層されたケース部材同士が相互に結合
されており、 一の電気二重層キャパシタの結束された集電部材は、隣
接する他の電気二重層キャパシタの異なる極の結束され
た集電部材と、該導電板を介して接続されていることを
特徴とするキャパシタ装置。 8. An electrolyte solution is impregnated, which is different for each predetermined length.
Long separators that are alternately folded back in the direction
Different poles are paired between the parators through the separator.
It consists of multiple electrode plates stacked so that they face each other.
It can be connected to the end of the electrode plate and pulled out from between the separators.
A flexible current collecting member is provided, and the current collecting member is provided with the same pole.
To the electrode plate on the same side in a direction parallel to the electrode plate.
The current collectors that are bundled and bundled are laminated on the electrode plates for each pole.
Electric double layer capacities arranged on the outermost layers in different directions
A plurality of capacitors are stacked in the stacking direction of the electrode plates.
The electric double layer capacitor is a tubular device having open and closed open ends.
And a conductive case member that crosses the inside of the case member.
And a conductive plate integrally formed with the case member
The conductive plate is sandwiched in the defined space and the case portion is formed.
Is surrounded by a side surface parallel to the stacking direction of the electrode plate
Accommodated and the case members are disposed between the case members
The conductive case member is laminated with a rib provided along the opening end.
The first case member is provided along the opening end portion of the case member.
Along the rib and the opening end of another case member adjacent to the rib.
It is sandwiched with the provided rib by an insulating clip member.
By doing so, the case members that are stacked are connected to each other.
The current collecting member of the electric double layer capacitor is
The different poles of the other electric double layer capacitors touching are bound together.
Connected to the current collecting member via the conductive plate.
Characteristic capacitor device.
タに含浸される電解質溶液を導入する導入孔を備え、該
導入孔は該電解質溶液の導入後に閉塞部材により閉塞さ
れることを特徴とする請求項８記載のキャパシタ装置。 9. The conductive case member is the separator.
Equipped with an introduction hole for introducing an electrolyte solution to be impregnated into the battery,
The introduction hole is closed by a closing member after the introduction of the electrolyte solution.
The capacitor device according to claim 8, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02774297A JP3423852B2 (en) | 1996-08-30 | 1997-02-12 | Capacitor device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22967096 | 1996-08-30 | ||
| JP8-229670 | 1996-08-30 | ||
| JP02774297A JP3423852B2 (en) | 1996-08-30 | 1997-02-12 | Capacitor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10125559A JPH10125559A (en) | 1998-05-15 |
| JP3423852B2 true JP3423852B2 (en) | 2003-07-07 |
Family
ID=26365713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02774297A Expired - Fee Related JP3423852B2 (en) | 1996-08-30 | 1997-02-12 | Capacitor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3423852B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8310812B2 (en) | 2009-01-27 | 2012-11-13 | Panasonic Corporation | Electric double layer capacitor having a first terminal having a first joint and a second terminal having a second joint |
| EP3471119A1 (en) * | 2017-10-10 | 2019-04-17 | MacroCaps ApS | Electrode assembly, energy storage device comprising the electrode assembly and a method for producing the electrode assembly |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003257802A (en) * | 2002-03-06 | 2003-09-12 | Meidensha Corp | Method for manufacturing electric double-layer capacitor |
| US7381093B2 (en) | 2005-05-17 | 2008-06-03 | Ykk Corporation | Covered snap-fit terminals for connecting storage cells together |
| KR100923863B1 (en) * | 2007-10-26 | 2009-10-28 | 엘에스엠트론 주식회사 | Energy storing device |
| JP2010016308A (en) * | 2008-07-07 | 2010-01-21 | Sumitomo Heavy Ind Ltd | Energy storage device and manufacturing method thereof |
| JP2010016307A (en) * | 2008-07-07 | 2010-01-21 | Sumitomo Heavy Ind Ltd | Module type energy storage device |
| KR101079400B1 (en) * | 2010-02-02 | 2011-11-02 | 삼성전기주식회사 | Electric double layer capacitor cell, electric double layer capacitor package comprising the same and methods for manufacturing the same |
-
1997
- 1997-02-12 JP JP02774297A patent/JP3423852B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8310812B2 (en) | 2009-01-27 | 2012-11-13 | Panasonic Corporation | Electric double layer capacitor having a first terminal having a first joint and a second terminal having a second joint |
| EP3471119A1 (en) * | 2017-10-10 | 2019-04-17 | MacroCaps ApS | Electrode assembly, energy storage device comprising the electrode assembly and a method for producing the electrode assembly |
| WO2019072781A1 (en) * | 2017-10-10 | 2019-04-18 | Macrocaps Aps | Electrode assembly, energy storage device comprising the electrode assembly and a method for producing the electrode assembly |
| US11302489B2 (en) | 2017-10-10 | 2022-04-12 | Macrocaps Aps | Electrode assembly, energy storage device comprising the electrode assembly and a method for producing the electrode assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10125559A (en) | 1998-05-15 |
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