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    • 1. 发明申请
    • Lithium secondary battery
    • 锂二次电池
    • US20060063063A1
    • 2006-03-23
    • US11230282
    • 2005-09-19
    • Tsutomu MoriWataru ShionoyaShinji OhtsuboKenshin Kitoh
    • Tsutomu MoriWataru ShionoyaShinji OhtsuboKenshin Kitoh
    • H01M2/12
    • H01M2/1252H01M2/18H01M10/0431H01M10/0525H01M10/0585H01M10/0587Y02T10/7011
    • A lithium secondary battery 1 including: an inner electrode member 6 having electrode plates (cathode plate 2, anode plate 3) of a metal foil as a constituting element, and being formed by winding or laminating electrode plates; and a battery case 10 for housing the inner electrode member 6. A gas release channel capable of releasing a gas to the outside of the battery case 10 is formed by deformation of the inner electrode member 6 by a function of a raised inner pressure when the inner pressure of the battery case 10 rises to a predetermined pressure or more due to the gas generated inside the inner electrode member 6. The lithium secondary battery can smoothly release the gas generated inside the inner electrode member without being retained therein before the gas reaches a pressure releasing mechanism; thus, it is superior in safety and has a high energy density.
    • 一种锂二次电池1,其包括:内电极构件6,其具有作为构成元件的金属箔的电极板(阴极板2,阳极板3),并且通过卷绕或层叠电极板形成; 以及用于容纳内部电极构件6的电池壳体10.能够将气体释放到电池壳体10的外部的气体释放通道由内部电极构件6通过升高的内部压力的作用而变形而形成, 电池壳体10的内部压力由于内部电极部件6内部产生的气体而上升到规定的压力以上。锂二次电池可以在气体到达之前平稳地释放内部电极部件内部产生的气体而不会保留在内部电极部件 释压机构; 因此,其安全性高,能量密度高。
    • 4. 发明授权
    • Lithium secondary battery
    • 锂二次电池
    • US06800394B2
    • 2004-10-05
    • US10287606
    • 2002-11-04
    • Kenshin KitohHiroshi Nemoto
    • Kenshin KitohHiroshi Nemoto
    • H01M402
    • H01M10/05H01M4/13H01M6/10H01M10/052H01M10/0525H01M2010/4292Y02E60/122Y02T10/7011Y10T29/49108
    • A lithium secondary battery includes a battery case, an internal electrode body contained in the battery case and including a positive electrode, a negative electrode and a separator made of porous polymer, the positive electrode and the negative electrode are wound or laminated. A working volume ratio of the positive active material and the negative active material obtained by the positive active material weight being divided by the negative active material weight is within the range from 40% to 90% of the theoretical working volume ratio. the lithium secondary battery has high safety as well as high energy density by controlling the working volume of an electrode active material and the dispersion of the distribution of the working volume and in particular is preferably used for a drive motor of an electric vehicle.
    • 锂二次电池包括电池壳体,容纳在电池壳体中的内部电极体,包括正极,负极和由多孔聚合物制成的隔膜,正极和负极被卷绕或层压。 通过正极活性物质重量获得的正极活性物质和负极活性物质的负活性物质重量的工作体积比除以理论工作体积比的40%〜90%的范围。 锂二次电池通过控制电极活性材料的工作体积和工作体积分布的分散而具有高安全性和高能量密度,特别优选用于电动车辆的驱动电动机。
    • 5. 发明授权
    • Lithium secondary battery for use in electric vehicle
    • 用于电动车辆的锂二次电池
    • US06479186B1
    • 2002-11-12
    • US09389767
    • 1999-09-02
    • Hiroshi NemotoKenshin Kitoh
    • Hiroshi NemotoKenshin Kitoh
    • H01M232
    • H01M10/0525H01M4/505H01M4/587H01M6/10H01M10/0587H01M2004/021H01M2010/4292Y02E60/122Y02T10/7011Y10T307/625
    • A lithium secondary battery for use in electric vehicle, includes: a battery case, and an electricity-generating body including a positive electrode, a negative electrode, and a separator, the positive and the negative electrode being wound or laminated via the separator so that the positive electrode and negative electrode are not brought into direct contact with each other. Each single battery has a ratio (X/E) of battery output X (W) and battery energy E (Wh), of 2 to 36 or a product (R×E) of battery internal resistance R (m&OHgr;) and battery energy E (Wh), of 50 to 900 (m&OHgr;·Wh). The lithium secondary battery is used in an electric vehicle as combined batteries formed by connecting a required number of the single batteries in series. The lithium secondary battery is designed so as to have a particular ratio of battery output and battery energy or a particular product of battery internal resistance and battery energy and thereby is capable of exhibiting performances necessary for electric vehicle, such as acceleration and the like when used as combined batteries obtained by connecting a required number of single batteries in series.
    • 一种用于电动车辆的锂二次电池,包括:电池壳体和包括正极,负极和隔板的发电体,正极和负极通过隔膜缠绕或层压,使得 正极和负极不会彼此直接接触。 每个单个电池具有2至36的电池输出X(W)和电池能量E(Wh)的比率(X / E)或电池内部电阻R(mOMEGA)的乘积(RxE)和电池能量E(Wh ),为50〜900(mOMEGA.Wh)。 锂二次电池在电动车辆中用作通过串联连接所需数量的单个电池形成的组合电池。 锂二次电池被设计成具有电池输出和电池能量的特定比例或电池内部电阻和电池能量的特定产品,并且因此能够显示电动车辆所需的性能,例如当使用加速度等时 作为通过连接所需数量的单个电池串联获得的组合电池。
    • 7. 发明授权
    • Electrolyte-solution filling method and battery structure of lithium secondary battery
    • 锂二次电池电解液填充方法及电池结构
    • US06387561B1
    • 2002-05-14
    • US09415164
    • 1999-10-08
    • Hiroshi NemotoKenshin KitohAkio Enomoto
    • Hiroshi NemotoKenshin KitohAkio Enomoto
    • H01M238
    • H01M2/361H01M10/052
    • Provided are a method for filling an electrolyte solution and a battery structure of a lithium secondary battery comprising an internal electrode body formed by winding a positive electrode, and a negative electrode, with a separator sandwiched therebetween around the outer periphery of a core, and an electrolyte solution to impregnate said internal electrode body; said method being excellent in productivity, and battery performance as well, and being characterized by an easy filling of an electrode solution, with minimization of excessive electrode solution in the battery, by virtue of the provision of an electrolyte solution injection opening in a specific position, through which the electrolyte solution is injected and extracting efficiently by using a nozzle for injection and/or extraction of electrolyte solution.
    • 提供了一种填充电解质溶液的方法和锂二次电池的电池结构,该锂二次电池包括通过卷绕正极形成的内部电极体和负极,围绕芯的外周夹着隔板, 电解质溶液浸渍所述内部电极体; 所述方法生产率优异,电池性能也很好,其特征在于通过在特定位置设置电解质溶液注入口,容易地填充电极溶液,使电池中过量的电极溶液最小化 通过使用注射和/或提取电解质溶液的喷嘴有效地注入和提取电解质溶液。
    • 9. 发明授权
    • Lithium secondary battery and assembled structure of lithium secondary batteries
    • 锂二次电池和锂二次电池组装结构
    • US07175936B2
    • 2007-02-13
    • US10260746
    • 2002-09-30
    • Kenji KawamuraKenshin Kitoh
    • Kenji KawamuraKenshin Kitoh
    • H01M2/30H01M10/36
    • H01M10/0431H01M2/022H01M2/0469H01M2/06H01M2/1235H01M2/202H01M2/30H01M2/305H01M10/052Y02T10/7011
    • A lithium secondary battery 10 is provided with an inner electrode body 1 comprising a positive electrode plate and a negative electrode plate respectively made up of at least one metal foil 6 wound or laminated; said inner electrode body being impregnated with a non-aqueous electrolyte, current collector members 5A and 5B for leading a current out of this inner electrode body 1, a battery case 11 with both ends left open; said battery case housing the inner electrode body 1, and two caps 13 provided with internal terminals 14A and 14B thereon; said caps being used to seal the inner electrode body 1 at both open ends of the battery 11. By adopting such a configuration that positive and negative external terminals are placed on one end of a battery collectively, protrusions of the battery are so reduced that the collective coupling of batteries becomes easier.
    • 锂二次电池10设置有分别由至少一个卷绕或层叠的金属箔6构成的正极板和负极板的内部电极体1; 所述内电极体浸渍有非水电解质,用于使电流从该内电极体1引出的集电体5A,5B,两端左开放的电池壳体11; 所述电池壳体容纳内电极体1,以及两个盖13,其上设置有内部端子14A和14B; 所述盖用于在电池11的两个开口端处密封内部电极体1.通过采用这样的结构,即将正极和负极外部端子一体地放置在电池的一端,电池的突起如此减小, 电池的集体耦合变得更加容易。