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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：US08980468B2
公开(公告)日：2015-03-17
申请号：US13750425
申请日：2013-01-25
发明人： Yoshinori Yokoyama , Takayuki Hattori , Yasuhiro Yamauchi , Toshiyuki Nohma , Hironori Harada , Toshihiro Takada , Hiroshi Inukai
IPC分类号： H01M2/00 , H01M2/02 , H01M2/08 , H01M2/12 , H01M2/22 , H01M2/26 , H01M2/34 , H01M2/06 , H01M10/04
CPC分类号： H01M2/1229 , H01M2/0217 , H01M2/06 , H01M2/22 , H01M2/263 , H01M2/345 , H01M10/0431
摘要： A current interruption mechanism for prismatic secondary battery includes a tubular conductive member electrically connected to a positive electrode external terminal, an inversion plate, and a positive electrode collector connected to the inversion plate. The positive electrode collector has a first region that is parallel to a sealing body and a second region that is connected to a positive electrode plate. The boundaries between the first and second regions are disposed further outward than the inner surface of the tubular conductive member, and at least one of the edge portions, other than the boundaries between the first region and second region, is located further outward than the inner surface of the tubular portion of the conductive member. The current interruption mechanism is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc.
摘要翻译： 棱柱二次电池的电流中断机构包括电连接到正极外部端子，反转板和连接到反转板的正极集电体的管状导电构件。 正极集电体具有与密封体平行的第一区域和与正极板连接的第二区域。 第一和第二区域之间的边界比管状导电构件的内表面进一步向外设置，除了第一区域和第二区域之间的边界之外，边缘部分中的至少一个位于比内部 导电构件的管状部分的表面。 即使电池由于振动，下落等而受到冲击，电流中断机构也不可能损坏。
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公开(公告)号：US20130196221A1
公开(公告)日：2013-08-01
申请号：US13750639
申请日：2013-01-25
发明人： Takayuki Hattori , Eiji Okutani , Yoshiya Maruyama , Yasuhiro Yamauchi , Hironori Harada , Toshihiro Takada , Hiroshi Inukai
IPC分类号： H01M2/02
CPC分类号： H01M2/0217 , H01M2/34
摘要： A crimped portion of a positive electrode external terminal is crimped on its upper end side to be electrically connected to a positive electrode terminal plate. This crimped portion is welded to the positive electrode terminal plate by applying high energy beams. The negative electrode side has a configuration similar to that of the positive electrode side. The contact area between the positive electrode terminal plate and the crimped portion of the positive electrode external terminal is set smaller than the corresponding contact area on the negative electrode side, and the volume of the crimped portion of the positive electrode external terminal is set larger than that of the corresponding crimped portion on the negative electrode side. Thus, a prismatic secondary battery is provided that shows strong joining strength between the external terminal and the terminal plate, suppressed internal resistance variations, and improved reliability.
摘要翻译： 正极外部端子的压接部分在其上端被压接以与正极端子板电连接。 该卷曲部分通过施加高能束而焊接到正极端子板。 负极侧具有与正极侧相似的构造。 正极端子板和正极外部端子的压接部之间的接触面积被设定为小于负极侧的对应的接触面积，正极外部端子的压接部的体积被设定为大于 在负极侧的相应的压接部分。 因此，提供了一种棱柱二次电池，其显示出外部端子和端子板之间的强耦合强度，内部电阻变化的抑制和可靠性的提高。
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4.发明申请NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND VEHICLE COMPRISING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开非电解电解质二次电池，制造非水电解质二次电池的方法和包含非水电解质二次电池的车辆公开(公告)号：US20130196189A1
公开(公告)日：2013-08-01
申请号：US13750443
申请日：2013-01-25
发明人： Keisuke Minami , Masahiro Iyori , Yoshinori Yokoyama , Toyoki Fujihara , Yasuhiro Yamauchi , Toshiyuki Nohma , Hironori Harada , Toshihiro Takada , Ryuta Morishima
CPC分类号： H01M10/4235 , H01M2/345 , H01M10/04 , H01M10/052 , H01M10/0567 , Y02E60/122 , Y02P70/54 , Y02T10/7011 , Y10T29/49108
摘要： A nonaqueous electrolyte secondary battery includes a current interruption mechanism in at least one of a conductive pathway from the positive electrode sheet to the outside of the outer body and a conductive pathway from the negative electrode sheet to the outside of the outer body. The current interruption mechanism interrupts electric current when the pressure in the outer body exceeds a predetermined value. The nonaqueous electrolyte contains an overcharge inhibitor. The overcharge inhibitor is contained in an amount of 3.0% or more and 4.5% or less with respect to the spatial volume in the outer body in terms of volume ratio. The nonaqueous electrolyte secondary battery has excellent output characteristics in a low temperature condition and can sufficiently ensure reliability even when the battery is overcharged through two-step charging in a low temperature condition.
摘要翻译： 非水电解质二次电池包括从正电极片到外体的外部的导电路径中的至少一个以及从负电极片到外体的外部的导电路径中的电流中断机构。 当外部体内的压力超过预定值时，电流中断机构中断电流。 非水电解质含有过充电抑制剂。 过充电抑制剂相对于体外的体积的空间体积的体积比为3.0％以上4.5％以下。 非水电解质二次电池在低温条件下具有优异的输出特性，并且即使当在低温条件下通过两步充电来对电池进行过充电时也可充分确保可靠性。
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公开(公告)号：US20130196186A1
公开(公告)日：2013-08-01
申请号：US13750425
申请日：2013-01-25
发明人： Yoshinori Yokoyama , Takayuki Hattori , Yasuhiro Yamauchi , Toshiyuki Nohma , Hironori Harada , Toshihiro Takada , Hiroshi Inukai
IPC分类号： H01M2/12
CPC分类号： H01M2/1229 , H01M2/0217 , H01M2/06 , H01M2/22 , H01M2/263 , H01M2/345 , H01M10/0431
摘要： A current interruption mechanism for prismatic secondary battery includes a tubular conductive member electrically connected to a positive electrode external terminal, an inversion plate, and a positive electrode collector connected to the inversion plate. The positive electrode collector has a first region that is parallel to a sealing body and a second region that is connected to a positive electrode plate. The boundaries between the first and second regions are disposed further outward than the inner surface of the tubular conductive member, and at least one of the edge portions, other than the boundaries between the first region and second region, is located further outward than the inner surface of the tubular portion of the conductive member. The current interruption mechanism is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc.
摘要翻译： 棱柱二次电池的电流中断机构包括电连接到正极外部端子，反转板和连接到反转板的正极集电体的管状导电构件。 正极集电体具有与密封体平行的第一区域和与正极板连接的第二区域。 第一和第二区域之间的边界比管状导电构件的内表面进一步向外设置，除了第一区域和第二区域之间的边界之外，边缘部分中的至少一个位于比内部 导电构件的管状部分的表面。 即使电池由于振动，下落等而受到冲击，电流中断机构也不可能损坏。
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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：US08906545B2
公开(公告)日：2014-12-09
申请号：US13750639
申请日：2013-01-25
发明人： Takayuki Hattori , Eiji Okutani , Yoshiya Maruyama , Yasuhiro Yamauchi , Hironori Harada , Toshihiro Takada , Hiroshi Inukai
CPC分类号： H01M2/0217 , H01M2/34
摘要： A crimped portion of a positive electrode external terminal is crimped on its upper end side to be electrically connected to a positive electrode terminal plate. This crimped portion is welded to the positive electrode terminal plate by applying high energy beams. The negative electrode side has a configuration similar to that of the positive electrode side. The contact area between the positive electrode terminal plate and the crimped portion of the positive electrode external terminal is set smaller than the corresponding contact area on the negative electrode side, and the volume of the crimped portion of the positive electrode external terminal is set larger than that of the corresponding crimped portion on the negative electrode side. Thus, a prismatic secondary battery is provided that shows strong joining strength between the external terminal and the terminal plate, suppressed internal resistance variations, and improved reliability.
摘要翻译： 正极外部端子的压接部分在其上端被压接以与正极端子板电连接。 该卷曲部分通过施加高能束而焊接到正极端子板。 负极侧具有与正极侧相似的构造。 正极端子板和正极外部端子的压接部之间的接触面积被设定为小于负极侧的对应的接触面积，正极外部端子的压接部的体积被设定为大于 在负极侧的相应的压接部分。 因此，提供了一种棱柱二次电池，其显示出外部端子和端子板之间的强耦合强度，内部电阻变化的抑制和可靠性的提高。
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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：US20130196187A1
公开(公告)日：2013-08-01
申请号：US13750549
申请日：2013-01-25
IPC分类号： H01M2/12
CPC分类号： H01M2/1229 , H01M2/0217 , H01M2/06 , H01M2/22 , H01M2/263 , H01M2/345 , H01M10/0431
摘要： Disclosed is a prismatic secondary battery in which a second insulating member that has a through-hole is disposed between an inversion plate and a first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plate by a connecting portion. The positive electrode collector has an annular notch portion that encircles the connecting portions connecting with the inversion plate. The product of the thickness t of the thinnest part of the notch portion and the length L of the notch portion is 0.28 to 0.57 mm2. There is thus provided a high-reliability prismatic secondary battery including, between the collector and the external terminals, a current interruption mechanism that is unlikely to be damaged even if high current flows in the battery.
摘要翻译： 公开了一种棱镜二次电池，其中具有通孔的第二绝缘构件设置在反转板和正极集电体的第一区域之间，并且通过该通孔，正极集电体的第一区域是电 通过连接部连接到反转板。 正极集电体具有围绕与反转板连接的连接部的环状的切口部。 切口部的最薄部的厚度t与切口部的长度L的乘积为0.28〜0.57mm 2。 因此，提供了一种高可靠性棱柱二次电池，其在集电体和外部端子之间包括不会在电池中流过高电流的情况下不会损坏的电流中断机构。
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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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