公开(公告)号：US20130308249A1

公开(公告)日：2013-11-21

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: H01G11/22 ,  H01G9/04 ,  H01G9/145

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（母）时，隔膜评价指标​​Ie被定义为Ie = L2 / Re（mum /％），Ie @ 1.0（mum /％）的关系为 满意。

公开(公告)号：US20130157121A1

公开(公告)日：2013-06-20

申请号：US13657282

申请日：2012-10-22

Applicant: Seiko Instruments Inc.

Inventor： Tsuneaki TAMACHI ,  Ryo SATO ,  Shunji WATANABE ,  Maki OKUBO

IPC: H01M2/08

CPC classification number: H01G11/04 ,  H01G11/26 ,  H01G11/34 ,  H01G11/60 ,  H01G11/80 ,  H01G11/82 ,  H01M2/0207 ,  H01M2/026 ,  H01M2/0277 ,  H01M2/0426 ,  H01M2/0469 ,  H01M2/0486 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0585 ,  Y02E60/13

Abstract: A high-quality electrochemical cell is provided that can suppress lowering of charge-discharge efficiency, and that can stably maintain the charge-discharge cycle characteristics over extended time periods. The electrochemical cell includes: a sealing container that includes a base member, and a lid member welded to the base member via a weld layer, the base member and the lid member sealing and defining a storage space in between: and a chargeable and dischargeable electrochemical element housed in the storage space and that includes a positive electrode, a negative electrode, and a separation member impregnated with a nonaqueous electrolytic solution the positive electrode is electrically connected to the base member. The negative electrode is electrically connected to the lid member by being overlaid on the positive electrode via the separation member, and allows cations and/or anions to move between the positive electrode and the negative electrode through the nonaqueous electrolytic solution. The lid member is formed of a metallic material that contains nickel. The negative elect ode has a greater capacitance than the positive electrode,

Abstract translation: 提供了能够抑制充放电效率的降低的高质量的电化学电池，能够在延长的时间内稳定地保持充放电循环特性。 所述电化学电池包括：密封容器，其包括基底构件，以及通过焊接层焊接到所述基底构件上的盖构件，所述基底构件和所述盖构件密封并限定两者之间的储存空间：和可充电和可放电的电化学 容纳在存储空间中的元件，其包括正极，负极和浸渍有非水电解液的分离构件，正极与基座电连接。 负极通过分离部件重叠在正电极上而与盖部件电连接，并且允许阳离子和/或阴离子通过非水电解液在正极和负极之间移动。 盖构件由含有镍的金属材料形成。 负电极具有比正极更大的电容，

公开(公告)号：US20160133894A1

公开(公告)日：2016-05-12

申请号：US14884042

申请日：2015-10-15

Applicant: Seiko Instruments Inc.

Inventor： Takashi ONODERA ,  Ryo SATO ,  Tadahito SUZUKI

IPC: H01M2/10 ,  H01G11/78 ,  H01G11/74 ,  H01M2/20

CPC classification number: H01M2/1061 ,  H01G11/56 ,  H01G11/74 ,  H01G11/78 ,  H01M2/0217 ,  H01M2/06 ,  H01M2/22 ,  H01M2/30 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/058 ,  H01M2220/30 ,  H01M2300/0028 ,  Y02E60/13

Abstract: An electrochemical cell includes at least a base container, a cell which is accommodated in the base container, a plurality of cell leads which are extension portions of the cell, a pad film which is formed of valve metal on a base bottom surface, and a base-embedded wiring (a via wiring) which is connected to the pad film and is formed in a portion between the base bottom surface and a base lower surface, in which at least one of the cell leads and the pad film are fixed to each other through ultrasonic welding, and when a horizontal distance between a welding portion and the base-embedded wiring in the pad film is set to be L, and tolerance relating to an installation position of the base-embedded wiring is set to be a, L≧a×1.3 is established.

Abstract translation: 电化学电池至少包括基底容器，容纳在基底容器中的电池，作为电池的延伸部分的多个电池引线，在基底表面上由阀金属形成的焊盘膜， 基底嵌入布线（通孔布线），其连接到焊盘膜并且形成在基底底表面和基底下表面之间的部分中，其中电池引线和焊盘膜中的至少一个固定到每个 其他通过超声波焊接，并且当焊接部分和焊盘膜中的基底嵌入布线之间的水平距离被设置为L时，并且与基底嵌入式布线的安装位置相关的公差被设置为a，L ≧a×1.3建立。

公开(公告)号：US20140049878A1

公开(公告)日：2014-02-20

申请号：US14062316

申请日：2013-10-24

Applicant: Seiko Instruments Inc.

Inventor： Tsuneaki TAMACHI ,  Ryo SATO ,  Kenji OGATA ,  Isamu SHINODA ,  Shunji WATANABE

IPC: H01G11/80

CPC classification number: H01G11/80 ,  H01G2/103 ,  H01G11/82 ,  H01M2/0217 ,  H01M2/0277 ,  H01M2/0426 ,  H01M2/0486 ,  H01M2/0495 ,  H01M2/08 ,  H01M10/0585 ,  Y02E60/13

Abstract: The electrochemical cell of the present invention is provided with a hermetic container having a base member, a jointing material fixed to the base member, and a lid member welded on the base member via the jointing material, and in which a housing space sealed between the base member and the lid member is defined, and an electrochemical element which is housed inside the housing space and which is available to effect charging and discharging, wherein the lid member is made of stainless steel.

Abstract translation: 本发明的电化学电池具有密封容器，该密封容器具有底座部件，固定在基座部件上的连接材料，以及通过连接材料焊接在基体部件上的盖部件， 基座构件和盖构件被限定，并且电化学元件容纳在容纳空间内并且可用于实现充电和放电，其中盖构件由不锈钢制成。