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公开(公告)号：US20230062553A1
公开(公告)日：2023-03-02
申请号：US17760107
申请日：2021-02-19
Inventor： KAZUMICHI SHIMIZU , KAZUTOSHI KOHIRA , SHINYA GESHI
IPC: H01M50/183 , H01M50/107 , H01M50/533 , H01M10/04 , H01M50/152
Abstract: A power storage device includes an electrode group, a case having an opening, and a sealing body. The sealing body includes an annular sealing plate, a terminal cap, and an insulating gasket. The sealing plate includes a first wall portion with a tubular shape and a flange portion extending from one end of the first wall portion outward in a radial direction of the first wall portion. The terminal cap includes a cover portion with a plate shape and a crimp portion connected with a periphery of the cover portion. The cover portion closes an opening of the first wall portion surrounded by another end of the first wall portion. The gasket includes a second wall portion with a tubular shape facing an outer peripheral surface of the first wall portion and an annular base disposed between the cover portion and the another end of the first wall portion. The crimp portion includes a third wall portion with a tubular shape surrounding at least a part of the second wall portion. The third wall portion compress the second wall portion. A peripheral portion of the sealing plate is joined to an opening end portion of the case.
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公开(公告)号：US20200227698A1
公开(公告)日：2020-07-16
申请号：US16638899
申请日：2018-08-21
Inventor： JIRO MURATSU , SHINYA GESHI
Abstract: A battery block includes assembled batteries that are arranged in parallel to each other, and the plurality of assembled batteries are each formed of a plurality of batteries as a unit. Each of the batteries has a positive-electrode terminal and a negative-electrode terminal on one end portion of the battery. The assembled battery includes: the plurality of batteries which are arranged in a row with one end portions of the batteries directed in the same direction; an insulation holder which is arranged on one end portion side of the batteries and holds the batteries; and a positive-electrode bus bar and a negative-electrode bus bar arranged on one end portions of the batteries. The positive-electrode bus bar and the negative-electrode bus bar are respectively held by holding portions which are formed on the insulation holder along a row direction and in parallel to each other.
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公开(公告)号：US20230307749A1
公开(公告)日：2023-09-28
申请号：US18041232
申请日：2021-09-17
Inventor： KAZUMICHI SHIMIZU , TAKESHI NAGAO , SHINYA GESHI
IPC: H01M50/184 , H01M50/152 , H01M50/19 , H01M50/169
CPC classification number: H01M50/184 , H01M50/152 , H01M50/19 , H01M50/169 , H01M10/0587
Abstract: An electricity storage device to be disclosed includes: an electrode assembly including a first electrode and a second electrode; a can accommodating the electrode assembly and including a bottomed tubular shape with an opening provided at one end; and a sealing material joined to the one end of the can to seal the opening. The sealing material includes a first ring that is conductive, a second ring that is conductive and joined to the first ring, a terminal plate that is conductive provided between the first ring and the second ring, and an insulation ring insulating the first ring and the second ring from the terminal plate. An outer peripheral edge of the terminal plate is held between the first ring and the second ring with the insulation ring being put therebetween.
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公开(公告)号：US20220149466A1
公开(公告)日：2022-05-12
申请号：US17498300
申请日：2021-10-11
Inventor： KOTA SHIMIZU , TAKAAKI KASSAI , KAZUMICHI SHIMIZU , SHINYA GESHI
IPC: H01M50/186 , H01M50/60
Abstract: A battery includes a metal battery can that has a tubular portion having an opening edge portion at one end of the tubular portion and a bottom portion closing the other end of the tubular portion; an electrode body that is accommodated in the battery can; an electrolytic solution that fills the battery can; and a sealing member that has an outer peripheral surface disposed to face an inner peripheral surface of the opening edge portion of the tubular portion and seals the opening edge portion, in which a part of the inner peripheral surface of the opening edge portion and a part of the outer peripheral surface of the sealing member are joined by a melting portion, and a preventing portion, which prevents the electrolytic solution from rising toward a position, in which the melting portion is formed, between the inner peripheral surface of the opening edge portion and the outer peripheral surface of the sealing member, is provided on the outer peripheral surface of the sealing member, the preventing portion being closer to the bottom portion than the melting portion is.
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公开(公告)号：US20160181579A1
公开(公告)日：2016-06-23
申请号：US14908801
申请日：2014-10-29
Inventor： SHINYA GESHI , OOSE OKUTANI , HIROSHI TAKASAKI , KATSUJI TSUJIOKA
CPC classification number: H01M2/105 , H01M2/1077 , H01M2/206 , H01M2/26 , H01M2/263 , H01M2/348 , H01M2200/103
Abstract: A battery module includes: a plurality of battery cells held in a case; and a collector plate disposed on one side or the other side of the plurality of battery cells. The collector plate includes connection terminals connected to a collector plate main body so that the plurality of connection terminals are disposed to face an electrode provided in each of the battery cells. In at least one of the electrodes, the plurality of the connection terminals facing the at least one electrode include a first connection terminal welded to the electrode and a second connection terminal not welded to the electrode.
Abstract translation: 电池模块包括：保持在壳体中的多个电池单元; 以及设置在所述多个电池单元的一侧或另一侧的集电板。 集电板包括连接到集电板主体的连接端子，使得多个连接端子设置成面对设置在每个电池单元中的电极。 在至少一个电极中，面向至少一个电极的多个连接端子包括焊接到电极的第一连接端子和未焊接到电极的第二连接端子。
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Patent Agency Ranking
公开(公告)号：US20250023204A1
公开(公告)日：2025-01-16
申请号：US18682092
申请日：2022-09-28
Inventor： KIYOMI KOZUKI , SHINICHI SAKAMOTO , SHINYA GESHI
IPC: H01M50/538 , H01M10/04 , H01M50/107
Abstract: A power storage device includes a first electrode having a first current collector, a second electrode having a second current collector, and a separator interposed between the first electrode and the second electrode. The first electrode, the second electrode, and the separator constitute a wound body having a columnar shape. The power storage device further includes a case having a cylindrical bottomed shape for accommodating the wound body, and a current collection plate electrically connected to the first electrode and the case. The first electrode has an overlapping region overlapping the current collection plate when viewed from a case axial direction and a non-overlapping region not overlapping the current collection plate when viewed from the axial direction. The first electrode and the current collection plate are electrically connected to each other in the overlapping region. The first current collector is provided in at least a part of the non-overlapping region, and has a contact part in contact with the case bottom.
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公开(公告)号：US20230163387A1
公开(公告)日：2023-05-25
申请号：US17906620
申请日：2021-03-26
Inventor： SHINICHI SAKAMOTO , SHINYA GESHI
IPC: H01M50/191 , H01M50/107 , H01M50/188 , H01M50/184 , H01M50/566
CPC classification number: H01M50/191 , H01M50/107 , H01M50/188 , H01M50/184 , H01M50/566
Abstract: A battery includes: a case including a cylindrical part, a bottom part that closes one end part of the cylindrical part, and an opening edge part continuous with the other end part of the cylindrical part; an electrode assembly housed in the cylindrical part; and a sealing body fixed to the opening edge so as to seal an opening of the opening edge part, in which the sealing body including a sealing plate made of a first metal and a terminal member made of a second metal different from the first metal and held by the sealing plate is used. The sealing plate includes a fixing part to which the terminal member is fixed, a peripheral edge part in an annular shape located at a peripheral edge, and a thin part formed between the fixing part and the peripheral edge part. The fixing part includes a protrusion part protruding from an outer surface of the sealing plate, and the protrusion part is bent inward such that a part of the terminal member is sandwiched between the fixing part and the protrusion part.
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公开(公告)号：US20230065382A1
公开(公告)日：2023-03-02
申请号：US17904193
申请日：2021-02-19
Inventor： SHINYA GESHI , YOSHIYUKI OKAMURA
IPC: H01M50/107 , H01M50/186 , H01M50/566
Abstract: An electricity storage device includes: an electrode group including first and second electrodes; a case accommodating the electrode group therein, the case having an opening provided therein; and a sealing body covering the opening of the case. The case includes a tubular part, a curved part connected to one end of the tubular part, and a bottom part closing another end of the tubular part. The curved part includes an opening rim, a crimp part connected to the opening rim, and a groove part connected to the crimp part, the crimp part being located outward from the opening rim along a radial direction of the tubular part, the groove part being recessed to protrude inward in the radial direction of the tubular part and having an annular shape. The sealing body includes: a sealing plate having conductivity; and a gasket having electric insulation, the gasket being compressed between the sealing plate and a portion of the crimp part facing the groove part and between the sealing plate and an inner surface of the groove part. The case is electrically connected to the first electrode. The sealing plate is electrically connected to the second electrode. The opening rim does not contact the gasket.
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公开(公告)号：US20220285775A1
公开(公告)日：2022-09-08
申请号：US17635688
申请日：2020-08-19
Inventor： SHINYA GESHI , HIROTAKA OGINO , CHIFUMI MURAYAMA , HIROSHI TAKASAKI
IPC: H01M50/244 , H01M50/186 , H01M50/213 , H01M50/218 , H01M50/24 , H01M50/242
Abstract: A power storage module includes at least one cylindrical power storage device, and a lower holder that holds a lower end part of the power storage device, wherein at least one concave part is formed on one of a surface of the power storage device facing a holding part and a surface of the holding part facing the power storage device, and at least one convex part fitted in the concave part is formed on the other.
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公开(公告)号：US20240194953A1
公开(公告)日：2024-06-13
申请号：US18552194
申请日：2022-03-23
Inventor： KIYOMI KOZUKI , SHINYA GESHI , SHINICHI SAKAMOTO
IPC: H01M10/0587 , H01G11/26 , H01G11/52 , H01G11/56 , H01G11/66 , H01M4/13 , H01M10/0525 , H01M50/533 , H01M50/536 , H01M50/538 , H01M50/586
CPC classification number: H01M10/0587 , H01G11/26 , H01G11/52 , H01G11/56 , H01G11/66 , H01M4/13 , H01M10/0525 , H01M50/533 , H01M50/536 , H01M50/538 , H01M50/586
Abstract: A power storage device includes: a first electrode including a first current collector having an elongated sheet shape and a first active material layer supported on the first current collector; a second electrode including a second current collector having an elongated sheet shape and a second active material layer supported on the second current collector; a separator interposed between the first electrode and the second electrode; a non-aqueous electrolyte; and a first current collecting plate electrically connected to the first current collector, wherein the first electrode, the second electrode, and the separator constitute a columnar wound body, a first end in a longitudinal direction of the first current collector is a first exposed part not having the first active material layer and protruding from a first end surface of the wound body, a first tab extends from the first exposed part, the first tab covers at least a part of the first exposed part on an inner peripheral side inside the first tab, and the first current collector plate is welded to the first exposed part on an inner peripheral side inside the first tab via the first tab.
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