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    • 2. 发明专利
    • Battery
    • 电池
    • JP2011049066A
    • 2011-03-10
    • JP2009197194
    • 2009-08-27
    • Toshiba Corp株式会社東芝
    • SHINODA TATSUYAASAMI YOSHIAKIISHII HIDEYUKIKASHIWAZAKI NAGANORIMATSUI TSUTOMUKURATA YASUTAKE
    • H01M2/34H01M2/26H01M10/04H01M10/0587
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To improve volumetric efficiency of a battery having a structure which insulates an electrode group, a current collector tab, and a lead from an outer package can. SOLUTION: The battery includes a positive electrode current collector tab 12a consisting of a positive electrode current collector spirally protruded from one of end face of a flat shape electrode group 2, a negative electrode current collector tab 13a consisting of a negative electrode current collector spirally protruded from the other end face of the electrode group, an outer package can 1 in which the electrode group is housed, a lid 9 having a positive electrode terminal 10 and a negative electrode terminal 11, an insulating tape 5 for insulating the outermost periphery of the electrode group, a first insulating cover 6 made of resin molding of a shape which covers a positive electrode lead and a portion opposed to the inner face of the outer package can in the positive electrode current collector tab, and a second insulating cover 7 made of resin molding of a shape which covers a negative electrode lead and a portion opposed to the inner face of the outer package can in the negative electrode current collector tab. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提高具有使来自外包装罐的电极组,集电片和引线绝缘的结构的电池的体积效率。 解决方案:电池包括由从扁平形电极组2的端面中的一个螺旋地突出的正电极集流片12a,由负极电流组成的负极集电片13a组成的正极集电片12a 集电体从电极组的另一个端面螺旋地突出,容纳电极组的外包装罐1,具有正极端子10和负极端子11的盖9,绝缘带5,绝缘带5 电极组的周边,在正极集电片中形成由覆盖正极引线的形状和与外部封装体的内表面相对的部分的形状的树脂成型制成的第一绝缘盖6和第二绝缘盖 7由覆盖负极引线的形状和与外部封装的内表面相对的部分的树脂成型制成 电极集电极。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Battery
    • 电池
    • JP2012174411A
    • 2012-09-10
    • JP2011033438
    • 2011-02-18
    • Toshiba Corp株式会社東芝
    • ISHII HARUYOSHIKASHIWAZAKI EIKIKIKUMA YUICHIASAMI YOSHIAKIMATSUI TSUTOMUSUZUKI MASAMIKURATA YASUTAKE
    • H01M10/04H01M2/26H01M10/0587
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a battery with high productivity and a high output characteristic.SOLUTION: According to an embodiment, a battery comprises a group of electrodes, plural positive electrode tabs, and plural negative electrode tabs. The group of electrodes has a structure such that a positive electrode and a negative electrode are wound into a flat spiral shape via a separator. The plural positive electrode tabs are electrically connected to the positive electrode. The plural negative electrode tabs are electrically connected to the negative electrode. At least ones of the positive electrode tabs and the negative electrode tabs vary each tab interval at an identical pitch, and project from one or both of the group of the electrodes. Also, the group of the electrodes satisfies a following formula (1): bm-2a
    • 要解决的问题:提供高生产率和高输出特性的电池。 解决方案:根据一个实施例,电池包括一组电极,多个正极片和多个负电极片。 该组电极具有使正极和负极经由隔膜卷绕成扁平螺旋状的结构。 多个正极片与正极电连接。 多个负电极片与负极电连接。 正极片和负电极片中的至少一个以相同的间距改变每个突片间隔,并且从电极组中的一个或两个突出。 此外,电极组满足下式(1):bm 2 -2a <0。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Nonaqueous electrolyte battery
    • 非电解电解质电池
    • JP2008226555A
    • 2008-09-25
    • JP2007060585
    • 2007-03-09
    • Toshiba Corp株式会社東芝
    • MATSUI TSUTOMUASAMI YOSHIAKI
    • H01M4/13H01M10/0587
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery in which weaving in an electrode group is reduced wherein a positive electrode and a negative electrode are wound around via a separator.
      SOLUTION: This is the nonaqueous electrolyte battery equipped with the electrode group 2 in which the positive electrode current collector and the positive electrode 3 including a positive electrode active material containing layer 8 except at least both end parts 7a, 7b of the side of the long side, and the negative electrode 4 including a negative electrode current collector, and a negative electrode active material containing layer 12 formed in the negative electrode current collector except at least both end parts 11a, 11b on the side of the long side are wound around via the separator 5. This is the nonaqueous electrolyte battery in which the positive electrode 3 and the negative electrode 4 are curved toward the outer peripheral side of the electrode group so that a cross-sectional face of a short side direction comes to have a curved shape.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种非水电解质电池,其中电极组中的编织被减少,其中正极和负极通过隔膜缠绕。 解决方案:这是配备有电极组2的非水电解质电池,其中正极集电体和正极3包括正极活性材料含有层8,除了侧面的至少两个端部7a,7b之外 和包含负极集电体的负极4和形成在负极集电体中的负极活性物质含有层12,除了长边侧的至少两个端部11a,11b之外,均为 这是非水电解质电池,其中正电极3和负电极4朝向电极组的外周侧弯曲,使得短边方向的横截面面具有 弯曲的形状。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Cell terminal structure, connection structure between cell terminals, and cell terminal manufacturing method
    • 细胞终端结构,细胞终端之间的连接结构和细胞终端制造方法
    • JP2009087707A
    • 2009-04-23
    • JP2007255498
    • 2007-09-28
    • Toshiba Corp株式会社東芝
    • KAKUCHI TAKEOMAKINO YOSHINOBUOZAKI TAMONMURO EIKOTATEBAYASHI YOSHINAOKOSUGI SHINICHIROSHIIHARA KATSUNORIEKUSA TAKASHIASAMI YOSHIAKIMATSUI TSUTOMUTOGASHI NORIHITOKANETSUNA TSUTOMU
    • H01M2/30H01M2/04H01M2/20H01M2/26
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To enable to easily carry out laser butt welding between an end face of a cell terminal and a protruded face of an outer package can and jointing of a connecting bar between cell terminals, as well as improve its joint reliability. SOLUTION: The cell terminal 14 is made by forming at least one terminal in a rectangular parallelepiped block, and jointing it with one face of an outer package can 12 forming a box-like cell. The connecting structure between the cell terminals connects between a plurality of cell terminals 14 with a connecting bar 18 with holes formed larger than tips of the cell terminals 14. Further, in the cell terminal manufacturing method, at least one terminal is formed in a block, and in forming cell terminals in the outer package can by connecting the terminals to the outer package can of the box-like cell, a cap body of the outer package can and the terminals are jointed, then, a lead plate housed in the outer package can and the cap body are jointed. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了能够容易地在电池端子的端面与外包装罐的突出面之间进行激光对接焊接,并且在电池端子之间连接连接杆,以及改善其接头 可靠性。 解决方案:电池端子14通过在长方体块中形成至少一个端子,并将其与形成盒状电池的外包装罐12的一个面接合而制成。 电池端子之间的连接结构在多个电池单元端子14之间连接有具有大于电池端子14的尖端的孔的连接杆18.此外,在电池端子制造方法中,至少一个端子形成为块 ,并且通过将端子连接到盒状电池的外包装罐,在外包装盒中形成电池端子,外包装罐的盖体和端子接合,然后容纳在外壳中的引线板 包装罐和盖体接合。 版权所有(C)2009,JPO&INPIT