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    Electrochemical cell
    1.
    发明授权
    Electrochemical cell 有权
    电化学电池

    公开(公告)号：US08964357B2

    公开(公告)日：2015-02-24

    申请号：US13834213

    申请日：2013-03-15

    Applicant: Seiko Instruments Inc.

    Inventor： Tsuneaki Tamachi ,  Ryo Sato ,  Kazumi Tanaka ,  Kensuke Tahara ,  Tadahito Suzuki ,  Akira Sato

    IPC: H01G9/00 ,  H01G11/52 ,  H01G9/02 ,  H01M6/04 ,  H01G11/22 ,  H01G9/04 ,  H01G9/145 ,  H01M2/16 ,  H01M4/62 ,  H01M10/04

    CPC classification number: H01G11/22 ,  H01G9/02 ,  H01G9/04 ,  H01G9/145 ,  H01G11/52 ,  H01M2/1613 ,  H01M4/625 ,  H01M10/04 ,  Y02E60/13

    Abstract: An electric double layer capacitor with a low resistance value is disclosed. The electric double layer capacitor includes an electrochemical device in the inside of a housing container and capable of achieving charge and discharge via external terminals, wherein the electrochemical device includes a pair of electrodes, a separator disposed between the pair of electrodes, and an electrolytic solution with which the pair of electrodes and the separator are impregnated; when a volume between the pair of electrodes is designated as Ve, and a volume of a void in an inter-electrode part of the separator disposed between the pair of electrodes is designated as Se, an inter-electrode part void ratio Re is defined as Re=Se/Ve×100 (%); and when a thickness of the inter-electrode part is designated as L2 (μm), and a separator evaluation index Ie is defined as Ie=L2/Re (μm/%), a relation of Ie≦1.0 (μm/%) is satisfied.

    Abstract translation: 公开了具有低电阻值的双电层电容器。 双电层电容器包括在容纳容器内部的电化学装置，能够通过外部端子实现充放电，其中电化学装置包括一对电极，设置在一对电极之间的隔板和电解液 一对电极和隔板被浸渍; 当一对电极之间的体积被指定为Ve，并且设置在一对电极之间的隔膜的电极间部分中的空隙体积被指定为Se时，电极间空隙率Re被定义为 Re = Se / Ve×100（％）; 并且当电极间部分的厚度被指定为L2（μm），隔膜评价指数Ie被定义为Ie = L2 / Re（μm/％）时，Ie＆lt; nlE; 1.0（μm/％）的关系为 满意。

    Electrochemical cell
    2.
    发明授权
    Electrochemical cell 有权

    公开(公告)号：US10249904B2

    公开(公告)日：2019-04-02

    申请号：US15417992

    申请日：2017-01-27

    Applicant: Seiko Instruments Inc. ,  OHARA INC.

    Inventor： Shunji Watanabe ,  Tsuneaki Tamachi ,  Yoshimi Kanno ,  Kazumi Tanaka ,  Kazuhito Ogasa ,  Ryohei Sato

    IPC: H01M4/02 ,  H01M10/0562 ,  H01M2/30 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M2/10 ,  H01M2/22 ,  H01M2/26 ,  H01M10/04 ,  H01M10/052

    Abstract: The present invention provides an electrochemical cell including: an electrode body; an exterior packaging body in which a plurality of substrates including a first substrate formed from a ceramic material are stacked in the first direction, and a cavity in which the electrode body is accommodated is formed; a first electrode connection wiring that is formed in the exterior packaging body and connects a first electrode layer and an external substrate to each other; and a second electrode connection wiring that is forming in the exterior packaging body and connects a second electrode layer and the external substrate to each other. At least the first electrode connection wiring is formed in the first substrate, and an attachment portion, to which a fastening member configured to mount at least the first electrode connection wiring to the external substrate is attached, is formed in the first substrate.

    ELECTROCHEMICAL CELL
    3.
    发明申请
    ELECTROCHEMICAL CELL 有权

    公开(公告)号：US20210104710A1

    公开(公告)日：2021-04-08

    申请号：US17034691

    申请日：2020-09-28

    Applicant: Seiko Instruments Inc.

    Inventor： Shunji WATANABE ,  Kazumi Tanaka ,  Nagayuki Kimura ,  Tsuneaki Tamachi

    IPC: H01M2/02 ,  H01M2/08 ,  H01G9/048 ,  H01G9/10

    Abstract: An electrochemical cell includes an electrode body that has a plurality of electrodes stacked on each other in a direction of a battery axis O, and an exterior body that has a first laminate member and a second laminate member, and that internally accommodates the electrode body. The exterior body includes an accommodation portion that internally accommodates the electrode body, and a sealing portion in which the first laminate member and the second laminate member are joined to each other in a state where the first laminate member and the second laminate member overlap each other so as to seal an inside of the accommodation portion. The accommodation portion includes a top wall portion and a bottom wall portion which face each other with the electrode body interposed therebetween in the direction of the battery axis, and a cylindrical peripheral wall portion which surrounds the electrode body from an outer side in a radial direction. The sealing portion is formed into a cylindrical shape which is bent along the peripheral wall portion and surrounds the peripheral wall portion over an entire periphery from the outer side in the radial direction, and is in contact with the peripheral wall portion from the outer side in the radial direction.

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