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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。

    Nonaqueous electrolyte secondary battery
    3.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号：US09368763B2

    公开(公告)日：2016-06-14

    申请号：US14599231

    申请日：2015-01-16

    Applicant: Seiko Instruments Inc.

    Inventor： Ken Miura ,  Takumi Sawayama ,  Tadahito Suzuki ,  Akira Mitsuzuka ,  Tomomi Kobayashi

    IPC: H01M2/08 ,  H01M2/02 ,  H01M2/04 ,  H01M4/485 ,  H01M4/50 ,  H01M10/0569 ,  H01M2/16 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/42

    CPC classification number: H01M2/0222 ,  H01M2/0413 ,  H01M2/08 ,  H01M2/1613 ,  H01M4/131 ,  H01M4/485 ,  H01M4/502 ,  H01M4/505 ,  H01M10/0427 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2010/4292 ,  H01M2220/30 ,  H01M2300/004 ,  Y02E60/122

    Abstract: Provided is a nonaqueous electrolyte secondary battery including a bottomed cylindrical positive electrode casing and a negative electrode casing which is fixed to an opening of the positive electrode casing through a gasket. The opening of the positive electrode casing is caulked to the negative electrode casing side to seal the accommodation space. A shortest distance L1 between a caulking tip end and the negative electrode casing in the opening of the positive electrode casing is equal to or less than 70% of an average sheet thickness of the positive electrode casing, a shortest distance L2 between a tip end of the negative electrode casing and the positive electrode casing is equal to or less than 60% of the average sheet thickness of the positive electrode casing, and a distance L3 between the tip end of the negative electrode casing and the bottom of the positive electrode casing is equal to or less than 110% of the average sheet thickness of the positive electrode casing.

    Abstract translation: 提供一种非水电解质二次电池，其包括通过垫圈固定到正电极壳体的开口的有底圆柱形正极壳体和负极壳体。 将正极壳体的开口填充到负极壳体侧以密封容纳空间。 正极壳体的开口部中的铆接末端和负极壳体之间的最短距离L1等于或小于正极壳体的平均片材厚度的70％，最小距离L2在正极壳体的顶端之间的最短距离L2 负极壳体和正极壳体的长度等于或小于正极壳体的平均片材厚度的60％，负极壳体的前端与正极壳体的底部之间的距离L3为 等于或小于正极壳体的平均片材厚度的110％。

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