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公开(公告)号：US20080060189A1
公开(公告)日：2008-03-13
申请号：US11896972
申请日：2007-09-07
申请人： Takao Daidoji , Tomokazu Kumeuchi , Koichi Zama
发明人： Takao Daidoji , Tomokazu Kumeuchi , Koichi Zama
IPC分类号： H01M10/38
CPC分类号： H01M2/266 , H01M2/021 , H01M2/0212 , H01M2/30 , H01M10/0413 , H01M10/0436 , H01M10/0525 , H01M10/0585 , Y10T29/49108
摘要： A method for production of a stacked battery having a plurality of positive electrode current collection tabs and a plurality of negative electrode current collection tabs drawn out from a stacked member formed by laying positive electrodes and negative electrodes alternately one on the other with separators interposed between them and bonded respectively to a positive lead terminal and a negative lead terminal comprises a step of determining in advance a simultaneously bondable number, or the number of positive electrode current collection tabs and the number of negative electrode current collection tabs that can be laid one on the other and collectively bonded, and bonding conditions for bonding them and a step of forming groups of current collection tabs, each group being formed by laying a number of current collection tabs not exceeding the simultaneously bondable number one on the other, displacing the bonding positions of the groups of positive electrode current collection tabs or those of negative electrode current collection tabs relative to each other in the direction of drawing out the positive electrode current collection tabs or the negative electrode current collection tabs, whichever appropriate, or in a direction perpendicular to the direction on the surface of the positive lead terminal or the negative lead terminal, whichever appropriate, and collectively bonding the positive electrode current collection tabs or the negative electrode current collection tabs of each group under the bonding conditions.
摘要翻译： 一种堆叠电池的制造方法，其具有多个正极集电片和多个负极集电片，所述多个负电极集电片从由叠置构件引出的多个负电极集电片，所述叠层构件通过以间隔开的方式交替地放置正电极和负电极而形成 并且分别粘合到正引线端子和负引线端子包括预先确定同时可接合数量，或正电极集电接头的数量以及可以铺设在其上的负极集电接头的数量的步骤 其他和共同结合的接合条件，以及用于接合它们的接合条件和形成集电片组的步骤，每组通过将多个不超过同时可接合数量的电流收集片放置在另一个上而形成， 正极集电片组o 在阴极电流收集片的相对方向上拉出正电极集电片或负电极集电片，以适当的方式或垂直于正极的表面上的方向的方向 端子或负极引线端子，以适当的方式，并且在接合条件下共同接合每个组的正极集电片或负极集电片。
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公开(公告)号：US08491673B2
公开(公告)日：2013-07-23
申请号：US11896972
申请日：2007-09-07
申请人： Takao Daidoji , Tomokazu Kumeuchi , Koichi Zama
发明人： Takao Daidoji , Tomokazu Kumeuchi , Koichi Zama
CPC分类号： H01M2/266 , H01M2/021 , H01M2/0212 , H01M2/30 , H01M10/0413 , H01M10/0436 , H01M10/0525 , H01M10/0585 , Y10T29/49108
摘要： A method for production of a stacked battery having a step of determining in advance a simultaneously bondable number of electrode current collection tabs and a step of forming groups of current collection tabs, and a step of displacing the bonding positions of the groups of positive electrode current collection tabs or those of negative electrode current collection tabs relative to each other in the direction of drawing out the positive electrode current collection tabs or the negative electrode current collection tabs, or in the direction perpendicular to the direction and collectively bonding the positive electrode current collection tabs or the negative electrode current collection tabs, of each group under the bonding conditions.
摘要翻译： 一种用于生产堆叠电池的方法，其具有预先确定电极集电片的同时可接合数量的步骤和形成集电片组的步骤，以及使正极电流组的接合位置移位的步骤 收集标签或阴极电流收集片的方向，在拉出正电极集电片或负电极集电片的方向上，或者在垂直于该方向的方向上并且共同地结合正极集电体 接头或负极电流收集片，在接合条件下。
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公开(公告)号：US20120177975A1
公开(公告)日：2012-07-12
申请号：US13395063
申请日：2009-09-10
申请人： Hiroshi Yageta , Tomokazu Kumeuchi , Takao Daidoji
发明人： Hiroshi Yageta , Tomokazu Kumeuchi , Takao Daidoji
CPC分类号： H01M2/1673 , H01M2/18 , H01M2/347 , H01M4/13 , H01M10/0413 , H01M10/0418 , H01M10/0459 , H01M10/052 , H01M10/0583 , Y02T10/7011 , Y10T29/49108
摘要： A stacked battery includes a square battery element in which a tabular positive electrode, a separator and a tabular negative electrode are laminated, wherein: one side of the battery element is a terminal connection section pulled-out surface, which is provided on both the positive and negative electrodes and where a plate-like positive-electrode terminal connection section and a plate-like negative-electrode terminal connection are both pulled out; projection surfaces, which are generated by vertically projecting the positive-electrode terminal connection section and the negative-electrode terminal connection section onto surfaces extending from the positive and negative electrodes, do not cross each other; a surface of the positive electrode and a surface of the negative electrode, which are facing each other, are different in area; each electrode is disposed so that an entire projection portion, which is generated by projecting the small-area electrode onto a surface of a large-area electrode that faces the small-area electrode, is positioned on the large-area electrode; on a separator, a bumping section is provided to limit movements of positive and negative electrodes as a positive-electrode end surface and a negative-electrode end surface hit the bumping section; and as for the bumping section, separators are joined by a crease or joining section of adjacent separators among separators disposed on electrode surfaces.
摘要翻译： 堆叠式电池包括层叠有平板状的正极，隔板和平板状的负极的正方形电池元件，其中：电池元件的一侧是端子连接部拉出面，其设置在正极 和负极，并且其中板状正极端子连接部分和板状负极端子连接都被拉出; 通过将正极端子连接部和负极端子连接部垂直地突出到从正极和负极延伸的表面上而产生的投影表面不会彼此交叉; 面对的正极的表面和负极的表面的面积不同; 每个电极被设置成使得通过将小面积电极投影到面对小面积电极的大面积电极的表面上而产生的整个突起部分位于大面积电极上; 在分离器上设置有凸起部，以限制作为正极端面的正极和负极的移动，负极端面撞击凸起部; 并且对于凸起部分，隔离件通过设置在电极表面上的隔板之间的相邻隔板的折痕或接合部分连接。
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公开(公告)号：US08617731B2
公开(公告)日：2013-12-31
申请号：US11674807
申请日：2007-02-14
申请人： Tomokazu Kumeuchi , Takao Daidoji , Isao Tochihara
发明人： Tomokazu Kumeuchi , Takao Daidoji , Isao Tochihara
CPC分类号： H01M2/12 , H01M2/0257 , H01M2/08 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/058 , Y02T10/7011
摘要： The invention provides a closed type battery comprising a battery element covered with a covering film and a heat fusion seal portion formed by heat fusion on a periphery of the covering film, wherein the cleaving strength upon an internal pressure rise of a seal portion positioned between a positive electrode terminal and a negative electrode terminal is larger than that of any other seal portion, and a safety valve adapted to release pressure upon a battery's internal pressure rise is located at a portion other than said inter-terminal seal portion. The invention also provides an assembled battery wherein a plurality of closed type batteries are stacked one upon another while a safety valve adapted to release pressure upon an increase in the internal pressure of the battery is located at a position in no contact with the covering film surface of an adjoining battery.
摘要翻译： 本发明提供了一种封闭式电池，其包括覆盖有覆盖膜的电池元件和通过在所述覆盖膜的周边上的热熔融形成的热熔接密封部，其中，位于所述覆盖膜之间的密封部的内部压力上升时的断裂强度 正极端子和负极端子大于任何其它密封部分，并且适于在电池内部压力上升时释放压力的安全阀位于除了所述端子间密封部分之外的部分。 本发明还提供了一种组合电池，其中多个封闭型电池彼此堆叠，同时适于在电池内部压力增加时释放压力的安全阀位于与覆盖膜表面不接触的位置 的相邻电池。
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公开(公告)号：US08586219B2
公开(公告)日：2013-11-19
申请号：US11674807
申请日：2007-02-14
申请人： Tomokazu Kumeuchi , Takao Daidoji , Isao Tochihara
发明人： Tomokazu Kumeuchi , Takao Daidoji , Isao Tochihara
摘要： The invention provides a closed type battery comprising a battery element covered with a covering film and a heat fusion seal portion formed by heat fusion on a periphery of the covering film, wherein the cleaving strength upon an internal pressure rise of a seal portion positioned between a positive electrode terminal and a negative electrode terminal is larger than that of any other seal portion, and a safety valve adapted to release pressure upon a battery's internal pressure rise is located at a portion other than said inter-terminal seal portion. The invention also provides an assembled battery wherein a plurality of closed type batteries are stacked one upon another while a safety valve adapted to release pressure upon an increase in the internal pressure of the battery is located at a position in no contact with the covering film surface of an adjoining battery.
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公开(公告)号：US20110293996A1
公开(公告)日：2011-12-01
申请号：US13147955
申请日：2009-05-20
申请人： Takao Daidoji , Isao Tochihara , Yuuki Hori , Koichi Zama
发明人： Takao Daidoji , Isao Tochihara , Yuuki Hori , Koichi Zama
CPC分类号： H01M10/04 , H01M2/22 , H01M4/70 , H01M10/0413 , H01M10/0585 , Y10T29/4911
摘要： In a stacked secondary battery, positive electrodes 5 and negative electrodes 4, which are formed by integrally forming a positive electrode collector tab 57 and a negative electrode collector tab 47 on a metal foil positive electrode collector 51 and a metal foil negative electrode collector 41, respectively, are stacked together with separators 6 disposed in-between. The separator 6 is also disposed between the opposing parts 8 of the positive electrode collector tab and the negative electrode collector tab. A positive electrode lead 17 and a negative electrode lead 15, connected to the positive electrode collector tab and the negative electrode collector tab, respectively, extend out from the same end surface of the stack of the positive electrodes 5 and the negative electrodes 4 and are drawn out from an outer casing 3.
摘要翻译： 在叠层二次电池中，通过在金属箔正极集电体51和金属箔负极集电体41上一体地形成正极集电体片57和负极集电体片47而形成的正极5和负极4， 分别与设置在其间的隔板6堆叠在一起。 分离器6也设置在正极集电片和相对的负极集电片之间。 分别与正极集电片和负极集电片连接的正极引线17和负极引线15从正极5和负极4的堆叠的同一端面延伸出来，并且分别为 从外壳3拉出。
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公开(公告)号：US20110195298A1
公开(公告)日：2011-08-11
申请号：US13062641
申请日：2009-09-07
申请人： Takao Daidoji , Koichi Zama
发明人： Takao Daidoji , Koichi Zama
CPC分类号： H01M10/0525 , H01M2/0207 , H01M2/0212 , H01M2/0275 , H01M2/06 , H01M2/08 , H01M2/1673 , H01M2/18 , H01M2/30 , H01M10/0436 , H01M10/0585 , Y02T10/7011
摘要： A stacked secondary battery having desirable characteristics against overcharging is provided.In the stacked secondary battery, either of a planar positive electrode or a planar negative electrode is contained in a pouch-shaped separator oriented such that the direction in which a positive lead terminal or a negative lead terminal is drawn out is aligned with a machine direction of the separator; a synthetic resin film is applied to the pouch-shaped separator across an edge of a joint area on both sides of the separator, the synthetic resin film having an adhesion strength higher than the stress caused by thermal contraction of the separator and having a softening point higher than that of the separator; and the positive electrode or the negative electrode that is contained in the pouch-shaped separator is stacked with a counter electrode that is not contained in the separator in an opposed manner to form a stacked battery element, which in turn is sealed in a film-like casing.
摘要翻译： 提供了具有对过充电的期望特性的堆叠二次电池。 在堆叠的二次电池中，平面正极或平面负极中的任一个包含在取向为使得引线端子或负引线端子的方向与机器方向对齐的袋形隔板中 的分离器 将合成树脂膜通过分隔件两侧的接合区域的边缘施加到袋形隔板上，合成树脂膜的粘合强度高于由隔膜的热收缩引起的应力并具有软化点 高于分离器; 并且包含在袋状隔板中的正极或负极以相反的方式堆叠在不包含在隔膜中的对电极，以形成堆叠的电池元件，该堆叠电池元件又被密封在膜 - 像套管。
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公开(公告)号：US09786896B2
公开(公告)日：2017-10-10
申请号：US14241928
申请日：2012-08-31
申请人： Takao Daidoji
发明人： Takao Daidoji
IPC分类号： H01M2/26 , H01M10/052 , H01M10/0585 , H01M2/06 , H01M10/04
CPC分类号： H01M2/26 , H01M2/06 , H01M10/0431 , H01M10/052 , H01M10/0585
摘要： A lithium-ion secondary battery includes: an electrode body in which a positive electrode and a negative electrode are stacked or wound through a separator; a plurality of positive electrode tabs drawn from the electrode body; a plurality of negative electrode tabs drawn from the electrode body; a joint portion between the positive electrode tabs and a positive electrode lead tab; and a joint portion between the negative electrode tabs and a negative electrode lead tab. Apart of a metal plate is disposed on a surface of the positive electrode tab or positive electrode lead tab in the joint portion and on a surface of the negative electrode tab or negative electrode lead tab in the joint portion and joined integrally thereto, and a remaining part of the metal plate is wound around the joint portions.
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公开(公告)号：US20110195300A1
公开(公告)日：2011-08-11
申请号：US13123401
申请日：2009-10-19
申请人： Takao Daidoji , Tsuyoshi Inose
发明人： Takao Daidoji , Tsuyoshi Inose
CPC分类号： H01M10/0525 , H01M2/0262 , H01M2/0275 , H01M2/0287 , H01M2/1653 , H01M2/18 , H01M2/30 , H01M4/505 , H01M4/587 , H01M10/0585
摘要： A stacked lithium ion secondary battery is characterized in that: a positive terminal is taken out from positive electrodes of a battery element stack in which the positive electrodes and negative electrodes are stacked via separators; a negative terminal is taken out from the negative electrodes; the battery element stack, except the taken-out portions of the positive and negative terminals, is covered with a porous plastic film; and an opening of the battery element stack covered with the porous plastic film is sealed with a film-like covering material.
摘要翻译： 堆叠式锂离子二次电池的特征在于：从通过分离器堆叠正极和负极的电池元件堆叠的正极取出正极端子; 从负极取出负极端子; 除了正极和负极端子的取出部分之外，电池元件堆叠被多孔塑料膜覆盖; 用多孔塑料膜覆盖的电池元件叠层的开口用膜状覆盖材料密封。
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公开(公告)号：US20140295233A1
公开(公告)日：2014-10-02
申请号：US14241928
申请日：2012-08-31
申请人： Takao Daidoji
发明人： Takao Daidoji
CPC分类号： H01M2/26 , H01M2/06 , H01M10/0431 , H01M10/052 , H01M10/0585
摘要： A lithium-ion secondary battery includes: an electrode body in which a positive electrode and a negative electrode are stacked or wound through a separator; a plurality of positive electrode tabs drawn from the electrode body; a plurality of negative electrode tabs drawn from the electrode body; a joint portion between the positive electrode tabs and a positive electrode lead tab; and a joint portion between the negative electrode tabs and a negative electrode lead tab. Apart of a metal plate is disposed on a surface of the positive electrode tab or positive electrode lead tab in the joint portion and on a surface of the negative electrode tab or negative electrode lead tab in the joint portion and joined integrally thereto, and a remaining part of the metal plate is wound around the joint portions.
摘要翻译： 锂离子二次电池包括：正极和负极通过隔板堆叠或卷绕的电极体; 从所述电极体拉出的多个正极片; 从电极体拉出的多个负电极接头; 正极片和正极引线片之间的接合部分; 以及负极片和负极引线片之间的接合部。 除了金属板之外，在接合部中的正极片或正极引线片的表面设置接合部的负极片或负极引线片的表面，并且与其一体地连接， 金属板的一部分缠绕在接合部分上。
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