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    • 1. 发明申请
    • CELL AND METHOD OF PRODUCING THE SAME
    • 细胞及其制造方法
    • WO9967836A9
    • 2001-02-01
    • PCT/JP9802855
    • 1998-06-25
    • MITSUBISHI ELECTRIC CORPARAGANE JUNKISE MAKIKOYOSHIOKA SYOJIAIHARA SHIGERUTAKEMURA DAIGOSHIOTA HISASHINISHIMURA TAKASHIURUSHIBATA HIROAKI
    • ARAGANE JUNKISE MAKIKOYOSHIOKA SYOJIAIHARA SHIGERUTAKEMURA DAIGOSHIOTA HISASHINISHIMURA TAKASHIURUSHIBATA HIROAKI
    • H01M4/13H01M4/139H01M4/62H01M6/50H01M10/0525H01M10/36H01M10/42H01M2/34H01M4/02H01M10/40
    • H01M10/4235H01M4/13H01M4/139H01M4/621H01M4/624H01M10/0525H01M2200/106
    • A cell developed to solve the problems of a conventional cell that a large short-circuit current flows when the temperature of the cell is raised above 100 DEG C due to internal short circuit, whereby the temperature of the cell is further raised due to heat buildup and a further increased short-circuit current flows, and that when an aluminum-laminated pack is used as a covering material in order to reduce the weight of the cell and to increase the energy density and when an adhesive is used to maintain the contact of the interface between the electrodes and the separator, the adhesive enters the opening portion of the separator and the opening area of the separator and the void diameter are decreased, deteriorating the load factor characteristics of the cell. Specifically a cell provided with an active material layer (6) containing an active material (8) and an electron conductive material (9) in contact with the active material (8), and an electrolyte-holding layer (3) joined to the active material layer (6). The electron conductive material (9) contains an electrically conductive filler and a resin, and has a resistance increasing with temperature. The active material layer (6) is superposed on the electrolyte-holding layer (3) so as to be joined together through heat treatment.
    • 开发了一种电池,用于解决由于内部短路而使电池的温度升高到100℃以上的大的短路电流流过的常规电池的问题,从而由于热积聚而使电池的温度进一步上升 并且进一步增加的短路电流流动,并且当铝层压包装用作覆盖材料以便减小电池的重量并增加电池的能量密度时,并且当使用粘合剂来保持接触时 电极和分离器之间的界面,粘合剂进入分离器的开口部分,并且分离器的开口面积减小,并且细胞的负载因子特性恶化。 具体而言,设置有含有与活性物质(8)接触的活性物质(8)和电子传导性材料(9)的活性物质层(6)的电池和与活性物质接触的电解质保持层(3) 材料层(6)。 电子导电材料(9)含有导电性填料和树脂,并具有随温度而增加的电阻。 将活性物质层(6)重叠在电解质保持层(3)上,通过热处理接合在一起。
    • 10. 发明公开
    • BATTERY
    • BATTERIE
    • EP0969542A4
    • 2005-03-16
    • EP98900705
    • 1998-01-22
    • MITSUBISHI ELECTRIC CORP
    • AIHARA SHIGERUTAKEMURA DAIGOSHIOTA HISASHIARAGANE JUNURUSHIBATA HIROAKIYOSHIDA YASUHIROHAMANO KOUJIMURAI MICHIOINUZUKA TAKAYUKI
    • H01M10/05H01M2/16H01M6/10H01M6/40H01M10/04H01M10/052H01M10/0565H01M10/058H01M10/40H01M6/06H01M6/14H01M6/18H01M10/30
    • H01M10/05H01M2/164H01M2/1646H01M2/1653H01M2/1673H01M2/168H01M6/10H01M6/40H01M10/0436
    • The conventional battery has such a problem that the size of the battery is not able to be reduced, because the battery must use a solid can to maintain the electrical connection between its electrodes. In such a battery in which each electrode is joined to a separator with an adhesive resin, in addition, the adhesive strength between the electrodes and a separator and the characteristics of the battery, particularly, the ion conductivity and internal resistance of the battery act as contradictory to each other. In order to solve these problems, the characteristics of the battery are enhanced by reducing the resistance between electrodes, namely, the internal resistance of the battery, while the insulating function to the electronic conduction between both electrodes and the ion conductivity are compatible with each other and, in addition, the weight, size, and thickness of the battery are reduced while maintaining the adhesive strength between both electrodes, so that the electrodes can be joined firmly to each other. The internal resistance of the battery is reduced by joining the anode and the cathode to each other with an adhesive resin layer provided at least with one filler-containing adhesive resin layer and, in addition, the characteristics of the battery are improved and the adhesive strength between the electrodes is maintained by forming the adhesive resin layer in a porous layer, so that the pores of the resin layer can be filled up with an electrolytic solution and the resin layer can have sufficiently high ion conductivity.
    • 传统电池具有这样的问题,即电池的尺寸不能减小,因为电池必须使用固体罐来维持其电极之间的电连接。 在这样的各电极通过粘合树脂与隔膜接合的电池中,除此之外,电极与隔膜之间的粘合力以及电池的特性,特别是电池的离子传导性和内阻作为 相互矛盾。 为了解决这些问题,通过减小电极之间的电阻即电池的内阻来提高电池的特性,同时对两个电极之间的电子传导的绝缘功能与离子传导性彼此兼容 此外,在保持两个电极之间的粘合强度的同时减小电池的重量,尺寸和厚度,使得电极可以牢固地彼此连接。 通过使用至少具有一个含有填料的粘合树脂层的粘合树脂层将阳极和阴极彼此接合而降低电池的内阻,并且此外电池的特性得到改善并且粘合强度 通过在多孔层中形成粘合树脂层来维持电极之间的连接,从而树脂层的孔可以填充电解液,并且树脂层可以具有足够高的离子传导性。