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    PRISMATIC SECONDARY BATTERY
    21.
    发明申请
    PRISMATIC SECONDARY BATTERY 有权
    专用二次电池

    公开(公告)号：US20140242440A1

    公开(公告)日：2014-08-28

    申请号：US14192338

    申请日：2014-02-27

    Applicant: SANYO Electric Co., Ltd.

    Inventor： Masakazu Yamada ,  Takayuki Hattori ,  Yohei Muroya ,  Yasuhiro Yamauchi

    IPC: H01M2/22 ,  H01M2/30 ,  H01M10/04

    CPC classification number: H01M2/305 ,  H01M2/0217 ,  H01M2/06 ,  H01M10/0431 ,  H01M2220/20

    Abstract: There is provided a prismatic secondary battery having high reliability and including a connecting part, wherein a terminal member and an external conduction member are connected by a swaged part and a welded part. The terminal member includes a flange, a first connecting part formed on a first surface side of the flange, and a second connecting part formed on a second surface side of the flange. The flange and the second connecting part are disposed on a battery exterior side than a sealing body. The first connecting part penetrates a through-hole formed in the sealing body. The second connecting part penetrates a through-hole formed in an external conduction member. The second connecting part includes a tip part swaged on the external conduction member. An abutting part of a tip of the swaged part of the second connecting part and a protruding part of the external conduction member is weld-connected.

    Abstract translation: 提供了一种具有高可靠性且包括连接部分的棱柱形二次电池，其中端子部件和外部导电部件通过模锻部分和焊接部分连接。 端子构件包括凸缘，形成在凸缘的第一表面侧上的第一连接部和形成在凸缘的第二表面侧上的第二连接部。 凸缘和第二连接部分设置在比密封体的电池外侧。 第一连接部穿透形成在密封体中的通孔。 第二连接部穿透形成在外部导电部件中的通孔。 第二连接部分包括在外部导电部件上挤压的尖端部分。 第二连接部的型锻部的前端的抵接部和外部导通部的突出部被焊接。

    Secondary battery and battery pack including the same
    24.
    发明授权
    Secondary battery and battery pack including the same 有权

    公开(公告)号：US11342639B2

    公开(公告)日：2022-05-24

    申请号：US16217774

    申请日：2018-12-12

    Applicant: SANYO Electric Co., Ltd. ,  Panasonic Corporation

    Inventor： Yohei Muroya ,  Ryoichi Wakimoto ,  Hiroyuki Inoue ,  Keisuke Shimizu

    IPC: H01M50/572 ,  H01M50/578 ,  H01M50/155 ,  H01M50/543 ,  H01M10/0525 ,  H01M50/15 ,  H01M50/528

    Abstract: A secondary battery includes an electrode body that includes a positive electrode plate and a negative electrode plate; an outer body that houses the electrode body; a sealing plate that is made of metal and seals an opening of the outer body; and a positive electrode terminal that is electrically connected to the positive electrode plate. At least part of the positive electrode terminal is disposed on the battery outer side with respect to the sealing plate. An external insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. The conduction path between the positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. An electrically insulating, heat-resistant layer is disposed between the positive electrode terminal and the sealing plate.

    SECONDARY BATTERY
    26.
    发明申请
    SECONDARY BATTERY 审中-公开

    公开(公告)号：US20200274189A1

    公开(公告)日：2020-08-27

    申请号：US16733631

    申请日：2020-01-03

    Applicant: SANYO Electric Co., Ltd.

    Inventor： Yohei Muroya ,  Hiroshi Takabayashi ,  Tomokazu Yamanaka

    IPC: H01M10/058 ,  H01M10/04 ,  H01M2/26

    Abstract: A positive electrode terminal is inserted into a current-collector through hole formed, in a positive electrode current collector and riveted in a spot-faced hole formed in the positive electrode current collector. A protrusion is formed on a bottom surface of the spot-faced hole so as to extend around the current-collector through hole, and a riveted portion of the positive electrode terminal covers the protrusion. The riveted portion of the positive electrode terminal is weld-connected to an edge of the spot-faced hole.

    SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME
    27.
    发明申请
    SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME 审中-公开

    公开(公告)号：US20190273277A1

    公开(公告)日：2019-09-05

    申请号：US16255019

    申请日：2019-01-23

    Applicant: SANYO Electric Co., Ltd.

    Inventor： Ryoichi Wakimoto ,  Yohei Muroya ,  Hiroyuki Yamada

    IPC: H01M10/04 ,  H01M2/10 ,  H01M2/34 ,  H01M2/20 ,  H01M10/0525

    Abstract: Provided are a secondary battery and a battery pack including the secondary battery. A sealing plate has a positive electrode terminal attachment hole. A positive electrode terminal penetrates the positive electrode terminal attachment hole. An external conductive member is connected to a portion of the positive electrode terminal located on the battery outer side with respect to the sealing plate. The conduction path between a positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. A first insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. A second insulating member having higher thermal resistance than the first insulating member is disposed between the external conductive member and the sealing plate.

    SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
    28.
    发明申请
    SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME 审中-公开

    公开(公告)号：US20190103596A1

    公开(公告)日：2019-04-04

    申请号：US16142454

    申请日：2018-09-26

    Applicant: SANYO Electric Co., Ltd.

    Inventor： Yohei Muroya ,  Hiroyuki Inoue

    IPC: H01M2/26 ,  H01M2/08 ,  H01M2/06

    Abstract: A secondary battery includes an electrode body that includes a positive-electrode sheet and a negative-electrode sheet, a prismatic exterior body that accommodates the electrode body, a metallic sealing plate that seals an opening of the prismatic exterior body, and a positive-electrode current collector that is electrically connected to the positive-electrode sheet and the sealing plate. The positive-electrode current collector includes a base that faces the sealing plate and a lead that is disposed on an end portion of the base. A projection is formed on the sealing plate. The projection is fitted in a connection opening that is formed in the base. The projection and the base are welded to each other.

    PRISMATIC SECONDARY BATTERY, AND ASSEMBLED BATTERY AND VEHICLE INCLUDING THE SAME
    29.
    发明申请
    PRISMATIC SECONDARY BATTERY, AND ASSEMBLED BATTERY AND VEHICLE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20180351139A1

    公开(公告)日：2018-12-06

    申请号：US15991094

    申请日：2018-05-29

    Applicant: SANYO ELECTRIC CO., LTD.

    Inventor： Yohei Muroya ,  Kazuki Takeno ,  Mitsuhiro Okada

    IPC: H01M2/02 ,  H01M2/30 ,  H01M10/05 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M4/133 ,  H01M4/66

    Abstract: A prismatic secondary battery includes an electrode body including a positive-electrode sheet and a negative-electrode sheet, a prismatic exterior body that accommodates the electrode body, a sealing plate that seals an opening of the prismatic exterior body, and a negative terminal electrically connected to the negative-electrode sheet. The prismatic secondary battery is arranged such that the sealing plate extends in the vertical direction during use of the prismatic secondary battery. The positive-electrode sheet is electrically connected to the sealing plate. The sealing plate has a recessed portion on an outer surface and a terminal insertion hole formed in the recessed portion. The negative terminal is inserted in the terminal insertion hole. An outer insulating member is disposed between the negative terminal and the sealing plate. The sealing plate has a first groove extending to an end of the recessed portion in the longitudinal direction of the sealing plate.

    SQUARE SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME
    30.
    发明申请
    SQUARE SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME 审中-公开

    公开(公告)号：US20180175334A1

    公开(公告)日：2018-06-21

    申请号：US15814742

    申请日：2017-11-16

    Applicant: SANYO ELECTRIC CO., LTD.

    Inventor： Yohei Muroya ,  Shinichirou Yoshida ,  Hiroshi Maesono

    IPC: H01M2/04 ,  H01M2/02

    CPC classification number: H01M2/0408 ,  H01M2/021 ,  H01M2/043 ,  H01M2/0473 ,  H01M2/22 ,  H01M2/26 ,  H01M2/263 ,  H01M2/305 ,  H01M2220/20

    Abstract: A square secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate, a square outer package housing the electrode body, a metal sealing plate sealing an opening of the square outer package, and a positive electrode collector electrically connected to the positive electrode plate and the sealing plate. The positive electrode collector includes a base portion disposed to oppose the sealing plate, and a lead portion extending from an edge portion of the base portion towards the electrode body. In a short direction of the sealing plate, a boundary between the base portion and the lead portion is positioned on a first side with respect to a center of the sealing plate, and a connection between the sealing plate and the base portion of the positive electrode collector is offset to a second side with respect to the center of the sealing plate.

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