CN1049932A - 电气双层电容器 - Google Patents

电气双层电容器 Download PDF

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CN1049932A
CN1049932A CN90107096A CN90107096A CN1049932A CN 1049932 A CN1049932 A CN 1049932A CN 90107096 A CN90107096 A CN 90107096A CN 90107096 A CN90107096 A CN 90107096A CN 1049932 A CN1049932 A CN 1049932A
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collector body
gasket seal
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electric double
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CN1019712B (zh
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仓林研
上屋善信
诸星博芳
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Isuzu Motors Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/30Stacked capacitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/66Current collectors
    • H01G11/72Current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/74Terminals, e.g. extensions of current collectors
    • H01G11/76Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78Cases; Housings; Encapsulations; Mountings
    • H01G11/80Gaskets; Sealings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G13/00Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
    • H01G13/006Apparatus or processes for applying terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G13/00Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
    • H01G13/06Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00 with provision for removing metal surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/08Housing; Encapsulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13Energy storage using capacitors

Abstract

一种电气双层电容器,它包括多个排列在一个平 面上的相同的电容器单元。各个电容器单元同一侧 的集电体由一块导电薄板做成,在相邻电容器单元之 间的密封垫片两侧表面的中央部分设置绝缘薄膜或 沟道,使该处的集电体与密封垫片不能接合,而在其 它地方,集电体与密封垫片依靠粘接剂或热熔敷的方 法接合起来。这样,通过适当地切除未与密封垫片接 合的集电体,可使多个电容器单元形成所要求的任意 的连接关系。

Description

本发明涉及将多个单元按任意的连接关系连接起来的电气双层电容器。
图4中示出已有的电气双层电容器。图中,1是集电体,2是极化电极,3是隔板,4是密封垫片,C表示该单元。
例如,集电体1可以采用导电橡胶薄膜,密封垫片4可以采用不导电橡胶。另外,隔板3例如可以采用聚丙烯多孔薄片。
极化电极2是将活性碳粉末浸在电解液(例如,稀硫酸)中做成的糊状物质(另外,还知道将活性碳粉末通过烧结做成固体板状,再浸入电解液中后做成的电气双层电容器的极化电极)。
密封垫片4做成筒状,在其内部大致中央部位设置有隔板3,以将其上下隔开。进而,在隔板3的上下部分充填以极化电极2,并设置集电体1,以覆盖极化电极2与密封垫片4。
密封垫片4接合在集电体1与极化电极2上,集电体1与极化电极2的表面接触。上述接合可以用粘接剂,或者通过热熔敷来进行。
这样制成的单元C的耐压在数伏之下,因此,当单元C在必须有更高耐压的场合中使用时,必须将几个单元串联连接起来使用。另外,如果单个单元的容量不够的话,必须将几个单元C并联连接起来使用。
过去,对于将多个单元连接起来的技术提出了几个方案,如将叠合时成为两层部分的集电体做成一层而叠合起来,见特开昭54-97770号公报,利用共用导电板承担和支持相邻单元的极化电极,将单元串联连接起来,见特开昭55-162218号公报,根据预定的连接关系将预定的多个单元做成一个整体,见特开昭59-194417号公报,等等。
但是,在前面的各种技术中,存在下面那样的问题。
首先,如特开昭54-97770号公报那样将单元叠合起来而串联连接成的部件,整体形状高度太大。因此,如果为设置电容器而留出的空间能容纳超高(嵩高)部件的话是行的,但如不是这样的话,就有无法设置电容器的问题。
特开昭55-162218号公报的发明具有这样的问题,随着串联个数的增加,必须要有多块导电板,同时,各单元之间的连接与端子的引出也变得麻烦。
而特开昭59-194417号公报的发明的问题在于,由于单元的连接关系在制造时已经预先确定好,而不能在产品做好之后,结合其用途构成任意的连接关系后使用,并且,零件个数多因而成本高。
本发明以解决上述问题为其课题。
为解决上述课题,本发明为利用简单的作业,将多个单元按任意的连接关系连接起来,并且使之不致超高,采用了下面的手段。
亦即,本发明的电气双层电容器具有多个其集电体由同一薄板制成的单元,并做成单元间的集电体能容易地切割下来。
因为各单元的集电体都由同一薄板制成,所以,根据单元之间集电体的切割方法,能够实现以下种种连接关系。
如果只切割单元一侧的集电体,则相邻单元通过另一侧的集电体串联连接起来。
如果不切割单元之间的集电体,那么,相邻单元并联连接。
如果将相邻单元之间的集电体全部切除,则能够使各个单元从相邻的单元独立开。
适当地选择这些连接,能够由此得到具有所要求的耐压和容量的电气双层电容器。
下面,根据附图详细说明本发明的实施例。
图1  是本发明第一实施例所涉及的电气双层电容器;
图2  是本发明第二实施例所涉及的电气双层电容器;
图3  是本发明第三实施例所涉及的电气双层电容器;
图4  是已有的电气双层电容器;
图5  是第一实施例的立体分解图;
图6  是第一实施例的使用状态图;
图7  是用于说明第三实施例的构造的立体图;
图8  是第三实施例的使用状态图。
图中,1是集电体,1-1至1-3是集电体片,2是极化电极,3是隔板,4是密封垫片,4-1是用于充填极化电极的孔,5是间隙,6是绝缘薄膜,7是沟道,8是标志线,C、C1至C9表示单元。
图1中示出本发明第一实施例所涉及的电气双层电容器。标号与图4中的相对应。此外,6表示绝缘薄膜。
本发明中,通过构成共用的集电体1,构成多个(在图一中为二个)单元C。在将集电体1接合在密封垫片4上的时候,将绝缘薄膜6夹在端部之外的密封垫片4表面的大致中央部位上。进而,在夹有绝缘薄膜6的地方,使集电体1与密封垫片4不接合。
例如,在通过热熔敷(热溶着)进行接合的情况下,绝缘薄膜6采用纸、特氟隆薄片或不会热熔化的塑料薄片等,预先贴在密封垫片4上,再将集电体1放在它的上面进行热熔敷。这样,集电体1与密封垫片4夹着绝缘薄膜6的部分不会热熔敷。
再有,在用粘接剂进行接合的时候,贴在密封垫片4上的绝缘薄膜6的上边不涂粘接剂。藉此,集电体1与密封垫片4夹有绝缘薄膜6的部分仍然不会接合。
另外,在上面的例子中,预先将绝缘薄膜6贴在密封垫片4上,但是,将它贴在集电体1的对应位置上也是可行的。
图5中示出第一实施例的分解立体图。标号对应于图1,4-1是为充填极化电极2而设置在密封垫片4中的充填孔。在集电体1上预定的各个地方贴上绝缘薄膜6,在充填孔4-1中填入极化电极2。虽然这儿极化电极2是糊状物质,但用固体板状的也可以。
象上面那样制造出来的电容器是具有一个单元的厚度的平板,不会超高。另外,最初,各个单元通过共同的集电体1全部并联连接。为了用它做成具有所需要的耐压和容量的电容器,应象下面那样进行。
图6示出第一实施例的使用状态。标号对应于图1,1-1、1-2是集电体片,8是标志线,C1至C4表示单元。为了能在外面了解绝缘薄膜被夹的位置,在集电体1的外面描上标志线8。
将夹有绝缘薄膜6的位置处的集电体1按图示那样切除,另外,如果在切除过程中,沿标志线8切除集电体片1-1、1-2,以及位于集电体片1-1正下方的下侧的集电体(图中未示出),则全部单元C1-C4变成串联连接。跨接在单元之间的集电体1起到单元间连接导线的作用。
另外,如果切去集电体片1-1,而不切除集电体片1-2,则变成单元C1与C2并联,再与单元C3串联。
如果只切去集电体片1-1和集电体片1-1正下方处的下侧的集电体时,单元C-1-C-4成并联连接。
这样,仅仅通过沿标志线8适当地切割集电体1这样的简单作业,就能将单元C任意地串联、并联,做成具有所要求的耐压和容量的电容器。
夹入绝缘薄膜6的理由是为了防止集电体1粘接到密封垫片4上,使得集电体1的切割容易进行。
另外,为了更容易地进行集电体的切除,标志线8也可做成由孔眼组成的线。但是,标志线8仅仅作为切除的标记而设,因此,不是必须的。
图2中示出本发明第二实施例所涉及的电气双层电容器。标号对应于图1,7是沟道。
图2的实施例应该说是图1实施例的变形,不夹入绝缘薄膜6,而代之以在密封垫片4的表面上设置沟道7,两个实施例仅仅在这一点上不同。
在沟道7中,由于仅其深度将集电体1与密封垫片4隔开,因此,能防止位于该部分的集电体1与密封垫片4的接合。
另外,该实施例在密封垫片4的厚度大的时候是可以实现的。
图3中示出本发明第三实施例所涉及的电气双层电容器。标号对应于图1,5是间隙。
该实施例将集电体1做成一个整体,制作多个单元C,在这些单元C之间设置间隙5。因此,整个电容器形状为1个单元厚的平板,所有单元C最初为并联连接。
图7中示出用于说明第三实施例的立体图。为了便于理解内部的构造,描绘了将上边的集电体1翻开的状态。
在密封垫片4中充填极化电极2构成的单元C5、C6等设置成由间隙5隔开。但是,因为各单元的集电体1形成一整块薄板而连接起来,所有单元并联连接。
图8是第三实施例的使用状态图。标号与图3对应,8是标志线,C5-C9是单元。
为了达到与使用时的要求相对应的耐压和容量,适当地切除间隙5位置上的集电体1,将单元串联连接、并联连接或串并联连接。
例如,在将单元C5、C6、C7构成串联连接的时候,只要(1)将单元C5与单元C6的间隙5上边一侧的集电体1象集电体片1-3那样切除;
(2)将单元C6与C7的间隙5下边一侧的集电体1切除;
(3)将单元C5、C6、C7后侧间隙5上下两侧的集电体1切除,就行了。
另外,在第三实施例中,间隙5部分易于弯曲,因此,电容器在曲面板上的安装变得容易了。
如上所述,采用本发明的电气双层电容器可以起到下列效果。
能够得到整体形状不超高、耐压高、容量大的电容器。因此,即使是在狭窄的空间内也能安装。
不需要特别的部件或者麻烦的连接作业,仅仅依靠切除一部分集电体这样的简单作业,就能将单元按所要求的连接关系连接起来。

Claims (1)

1、一种电气双层电容器,其特征在于,它包括多个单元,该多个单元的集电体由同一薄片制成,单元间的集电体做得容易被切除。
CN90107096A 1989-09-02 1990-08-17 电气双层电容器 Expired CN1019712B (zh)

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JP1227779A JPH0666235B2 (ja) 1989-09-02 1989-09-02 電気二重層コンデンサ

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CN100379064C (zh) * 1999-12-06 2008-04-02 阿维科斯公司 超薄电化学储能装置
CN112243529A (zh) * 2018-06-11 2021-01-19 株式会社村田制作所 电容器阵列、复合电子部件、电容器阵列的制造方法以及复合电子部件的制造方法

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EP0416274A2 (en) 1991-03-13
JPH0666235B2 (ja) 1994-08-24
JPH0391224A (ja) 1991-04-16
US5103379A (en) 1992-04-07
DE69007713T2 (de) 1994-11-03
KR910007012A (ko) 1991-04-30
EP0416274A3 (en) 1991-07-24
CA2023631C (en) 1995-08-08
DE69007713D1 (de) 1994-05-05
EP0416274B1 (en) 1994-03-30
CA2023631A1 (en) 1991-03-03
CN1019712B (zh) 1992-12-30

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