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1.发明授权公开(公告)号：US10026950B2
公开(公告)日：2018-07-17
申请号：US14969953
申请日：2015-12-15
发明人： Yoshinori Yokoyama , Naoya Tada , Yasuhiro Yamauchi , Toshihiro Takada , Hiroshi Inukai , Yasushi Tsuchida , Takashi Tokunaga , Akira Kiyama
摘要： A prismatic secondary battery of one configuration has a current disconnection mechanism, and a distance from a first conductive member to a second conductive member along a surface of a first insulation member and passing an outer periphery of the first insulation member is greater than or equal to 2.4 mm. At least one of the first insulation member and a second insulation member is formed from a material having a weight reduction percentage of 100% in thermo gravimetric measurement under conditions of a measurement temperature of 25° C.-600° C., a temperature increase rate of 5° C.±0.5° C./min, a measurement atmosphere of inert gas flow, and an amount of measurement sample of 10 mg±5 mg.
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公开(公告)号：US08980469B2
公开(公告)日：2015-03-17
申请号：US13750616
申请日：2013-01-25
发明人： Eiji Okutani , Yoshinori Yokoyama , Yasuhiro Yamauchi , Toshiyuki Nohma , Hironori Harada , Toshihiro Takada , Hiroshi Inukai , Akira Kiyama , Ryuta Morishima
CPC分类号： H01M2/0217 , H01M2/34
摘要： A high-reliability prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock is provided. The prismatic secondary battery includes a second insulating member having a first through-hole, the second insulating member being arranged between a first region of a positive electrode collector and an inversion plate. The first region of the positive electrode collector and the inversion plate are electrically connected to each other through the first through-hole. The second insulating member has a plurality of fixing pawl portions. The fixing pawl portions are hooked and fixed to a fixing portion formed on the outer surface side of the conductive member.
摘要翻译： 提供具有电流中断机构的高可靠性棱柱二次电池，即使电池受到冲击也不会损坏。 棱柱二次电池包括具有第一通孔的第二绝缘构件，第二绝缘构件设置在正极集电体的第一区域和反转板之间。 正极集电体和反转板的第一区域通过第一贯通孔电连接。 第二绝缘构件具有多个固定爪部。 固定棘爪部钩挂并固定在形成在导电构件的外表面侧上的固定部分上。
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公开(公告)号：US09397372B2
公开(公告)日：2016-07-19
申请号：US13749882
申请日：2013-01-25
发明人： Takuichi Arai , Toshihiro Takada , Hiroshi Inukai , Hironori Harada , Akira Kiyama , Ryuta Morishima , Naoya Nakanishi , Yasuhiro Yamauchi , Yoshinori Yokoyama
IPC分类号： H01M10/42 , H01M2/06 , H01M2/34 , H01M2/26 , H01M10/04 , H01M10/0525 , H01M10/0587
CPC分类号： H01M10/4235 , H01M2/06 , H01M2/263 , H01M2/345 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： Provided is a sealed battery with improved safety and reliability in which no spark discharge or voltage recovery occurs after a current interrupt mechanism has been actuated. A sealed battery 10 includes a current interrupt mechanism 40: having an inversion plate 50 and a collector 60. The collector 60 and the inversion plate 50 are electrically and mechanically joined in the easily breakable section 61 and the inversion section 51, the easily breakable section 61 is broken and displaced together with the inversion section 51 by the displacement of the inversion section 51, and the electric connection of the collector 60 and the inversion plate 50 is interrupted. The distance between the collector 60 and the easily breakable section 61 after the displacement is within a range of 0.3 mm to 1.5 mm.
摘要翻译： 提供了一种具有改进的安全性和可靠性的密封电池，其中在电流中断机构被致动之后不发生火花放电或电压恢复。 密封电池10包括具有反转板50和集电器60的电流中断机构40.集电体60和反转板50电连接和机械地接合在易断裂部分61和反转部分51中，易断裂部分 61通过反转部51的位移与反转部51一起断开和位移，并且集电体60和反转板50的电连接被中断。 集电体60与容易断裂部61的位移之间的距离在0.3mm〜1.5mm的范围内。
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公开(公告)号：US20130196220A1
公开(公告)日：2013-08-01
申请号：US13750616
申请日：2013-01-25
发明人： Eiji Okutani , Yoshinori Yokoyama , Yasuhiro Yamauchi , Toshiyuki Nohma , Hironori Harada , Toshihiro Takada , Hiroshi Inukai , Akira Kiyama , Ryuta Morishima
IPC分类号： H01M2/02
CPC分类号： H01M2/0217 , H01M2/34
摘要： A high-reliability prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock is provided. The prismatic secondary battery includes a second insulating member having a first through-hole, the second insulating member being arranged between a first region of a positive electrode collector and an inversion plate. The first region of the positive electrode collector and the inversion plate are electrically connected to each other through the first through-hole. The second insulating member has a plurality of fixing pawl portions. The fixing pawl portions are hooked and fixed to a fixing portion formed on the outer surface side of the conductive member.
摘要翻译： 提供具有电流中断机构的高可靠性棱柱二次电池，即使电池受到冲击也不会损坏。 棱柱二次电池包括具有第一通孔的第二绝缘构件，第二绝缘构件设置在正极集电体的第一区域和反转板之间。 正极集电体和反转板的第一区域通过第一贯通孔电连接。 第二绝缘构件具有多个固定爪部。 固定棘爪部钩挂并固定在形成在导电构件的外表面侧上的固定部分上。
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公开(公告)号：US20220059876A1
公开(公告)日：2022-02-24
申请号：US17376956
申请日：2021-07-15
发明人： Sho Ando , Akira Kiyama , Masaki Kato , Koshiro Yoneda , Kensaku Miyazawa , Kunimitsu Yamamoto
IPC分类号： H01M10/0585 , H01M10/0525
摘要： An all-solid-state battery includes a solid electrode body including a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, and a laminate film that stores the solid electrode body. The laminate film has a fragile part with respect to a needle-like foreign substance. The strength of the fragile part is lower than the strength of a part of the laminate film other than the fragile part.
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公开(公告)号：US11799139B2
公开(公告)日：2023-10-24
申请号：US15967677
申请日：2018-05-01
发明人： Takayuki Hojo , Akira Kiyama
IPC分类号： H01M10/42 , H01M10/48 , H01G9/008 , H01G9/14 , H01G9/08 , H01G11/14 , H01G11/74 , H01G11/78 , H01M50/581 , H01M50/562 , H01M50/55 , H01M50/553 , H01M10/0525 , H01M10/0587
CPC分类号： H01M10/4285 , H01G9/008 , H01G9/08 , H01G9/14 , H01G11/14 , H01G11/74 , H01G11/78 , H01M10/48 , H01M10/482 , H01M50/55 , H01M50/553 , H01M50/562 , H01M50/581 , H01M10/0525 , H01M10/0587 , H01M2200/10
摘要： A method for generating smoke in a cell pack by which a very small amount of smoke can be generated from a specific single unit cell among unit cells constituting the cell pack. The method causes smoke generation in a cell pack in which unit cells are connected and which includes a positive electrode output terminal for electrically connecting the positive electrode terminal of the unit cell and an external device, and a negative electrode output terminal for electrically connecting the negative electrode terminal of the unit cell and an external device. By attaching a heating means to the negative electrode output terminal, the electrode body of a specific single unit cell is heated through the negative electrode output terminal to which the heating means is attached. As a result, it is possible to cause the generation of a small amount of smoke from the specific single unit cell.
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