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    • 74. 发明申请
    • 高速充放電可能な二次電池の設計方法及びその二次電池
    • 用于设计快速充电/放电的二次电池容量和二次电池的方法
    • WO2004047213A1
    • 2004-06-03
    • PCT/JP2002/012173
    • 2002-11-21
    • 伊藤忠商事株式会社仁科 辰夫立花 和宏清水 達夫橋本 善三
    • 仁科 辰夫立花 和宏清水 達夫橋本 善三
    • H01M10/40
    • H01M10/44H01M4/02H01M2004/021
    • A method for designing a secondary cell capable of being quickly charged/discharged. The method for designing a secondary cell capable of being quickly charged/discharged and comprising a positive electrode structure in which a positive electrode layer containing a positive electrode active material adheres to a positive electrode collector, a negative electrode structure, and a nonaqueous electrolyte interposed between the electrode structures. The method is characterized in that the designing is so conducted that formula 1: eta/(msigmaRQ)>=1 is satisfied where eta (V) is the overvoltage allowable to be applied to the electrodes, m (g/cm ) is the amount of positive electrode active material per unit area adhering to the positive electrode collector, R (h ) is the C rate, Q (Ah/g) is the theoretical capacity of the positive electrode active material, and sigma (ohmcm ) is the contact resistance between the positive electrode collector and the positive electrode layer. A secondary cell capable being quickly charged/discharged is also disclosed.
    • 一种用于设计能够快速充电/放电的二次电池的方法。 用于设计能够快速充电/放电的二次电池的方法,包括正极结构,其中包含正极活性物质的正极层粘附于正极集电体,负极结构和介于其间的非水电解质 电极结构。 该方法的特征在于,设计如此进行,其中,η(V)是允许施加到电极的过电压,m(g / cm 2),公式1:eta /(msigmaRQ)> = 1 是附着在正极集电体上的每单位面积的正极活性物质的量,R(h -1)为C率,Q(Ah / g)为正极活性物质的理论容量,σ (ohmcm 2)是正极集电体和正极层之间的接触电阻。 还公开了能快速充电/放电的二次电池。
    • 77. 发明申请
    • ELECTROCHEMICAL BUNDLE AND METHOD FOR MAKING SAME
    • 电化学组合物及其制备方法
    • WO2003094258A2
    • 2003-11-13
    • PCT/CA2003/000646
    • 2003-04-30
    • AVESTOR LIMITED PARTNERSHIP
    • LALIBERTE, RichardBEAUCHAMP, JacquesCYR, NicolasCARRIER, Félix
    • H01M
    • H01M4/02H01M2/26H01M2/266H01M6/12H01M6/46H01M10/0413H01M10/0436Y10T29/49108
    • The invention provides an EC bundle having a plurality of cells. In turn, each cell respectively comprises: a pair of sheet-like electrodes; electrolyte interposed between the electrodes; and a sheet-like current collecting element. The sheet-like current collecting element, which includes a pair of generally opposite main faces, projects from at least one of the sheet-like electrodes and is electrically connected thereto. Moreover, the plurality of cells are arranged into a stack such that their respective sheet-like current collecting elements are in a side-by-side relationship with their main faces generally facing one another. The EC bundle further comprises a current collecting terminal featuring apart relationship which define a recess which receives the sheet-like current collecting elements and which establishes an electrical connection with them. The arms of the current collecting terminal overlap at least a portion of a main face of one of the sheet-like current collecting elements.
    • 本发明提供了具有多个单元的EC束。 反过来,每个电池分别包括:一对片状电极; 介于电极之间的电解质; 和片状集电元件。 包括一对大致相对的主面的片状集流元件从至少一个片状电极突出并与其电连接。 此外,多个单元被布置成堆叠,使得它们各自的片状集电元件与它们的主面大体上彼此面对并排关系。 EC束还包括具有分开关系的集电端子,其限定了容纳片状集流元件并与其形成电连接的凹部。 集电端子的臂与片状集电元件之一的主面的至少一部分重叠。