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    • 9. 发明公开
    • Nonaqueous-electrolyte secondary battery
    • 非水电解质二次电池
    • EP2804233A1
    • 2014-11-19
    • EP14002490.2
    • 1999-10-20
    • Sony Corporation
    • Hatta, KazuhitoHatazawa, TsuyonobuHara, Tomitaro
    • H01M2/02H01M2/08
    • H01M2/0275H01M2/0207H01M2/0277H01M2/0287H01M6/181H01M10/05H01M10/0525H01M2300/0085
    • A nonaqueous-electrolyte battery which is capable of preventing introduction of water and deterioration in the capacity thereof is disclosed. The nonaqueous-electrolyte battery according to the present invention incorporates a case constituted by laminated films; and a unit cell which is accommodated in the case and having a structure that the peripheries of the case is sealed with heat, wherein when an assumption is made that the quantity of water capable of penetrating a heat-weld resin layer which is the innermost layer of the case having a thickness of T (µm) is R (g/m 2 ·day), the cross sectional area of resin in a heat-sealed portion is S (cm 2 ), an average width of the heat-sealed portion is W (cm) and the capacity of the unit cell is C (Wh), the following relationship is satisfied: (T X R X S)/(W X C) ≤ 0.96 µg/Wh·day. When the foregoing structure is employed, water introducing rate can be reduced to 350 µg/year or lower per capacity (Wh).
    • 公开了一种能够防止水分进入和其容量劣化的非水电解质电池。 根据本发明的非水电解质电池包含由层压膜构成的壳体; 以及单元电池,收纳在所述壳体内,具有将所述壳体的周围用热进行密封的结构,在假定能够浸透作为最内层的热熔接树脂层的水的量 在厚度T(μm)的情况下为R(g / m 2·天),热密封部的树脂的截面积为S(cm 2),热密封部的平均宽度为W (cm),晶胞的容量为C(Wh)时,满足以下关系:(TXRXS)/(WXC)≤0.96μg/ Wh·日。 当采用上述结构时,可以将水引入速率降低至每个容量350μg/年或更低(Wh)。
    • 10. 发明公开
    • Solid electrolyte battery and production method thereof
    • Festelektrolytbatterie和Verfahren zur Herstellung
    • EP1132988A3
    • 2004-08-04
    • EP01105173.7
    • 2001-03-02
    • SONY CORPORATION
    • Endo, TakahiroKezuka, KoichiroHatazawa, Tsuyonobu
    • H01M10/40H01M2/02
    • H01M10/058H01M2/0212H01M4/64H01M4/70H01M10/0436H01M10/052H01M10/0525H01M10/0565H01M10/0585H01M2010/4292Y10T29/4911Y10T29/49114
    • Disclosed is a solid electrolyte battery (1) including: a first electrode (2) including a first collector (2a), and a first active material layer (2b) formed on one surface of the first collector with an outer peripheral edge portion of the first collector remaining as a collector exposed portion (2c); a second electrode (3) including a second collector (3a) and second active material layers (3b) formed on both surfaces of the second collector; and a solid electrolyte (6) interposed between the first electrode (2) and the second electrode (3); wherein the second electrode (3) is held in the first electrode (2) in such a manner that the first active material layer (2b) is opposed to each of the second active material layers (3b) via the solid electrolyte (6), and is sealed in the first electrode by joining the collector exposed portion (2c) of the first electrode to each other. This battery is allowed to be further thinned and reduced in weight, to be improved in energy density per weight and energy density per volume, and to be enhanced in air-tightness.
    • 公开了一种固体电解质电池(1),包括:包括第一集电体(2a)的第一电极(2)和形成在第一集电体的一个表面上的第一有源材料层(2b),其外周边缘部分 第一收集器作为收集器暴露部分(2c)保留; 包括形成在所述第二集电体的两个表面上的第二集电体(3a)和第二活性物质层(3b)的第二电极(3) 和介于所述第一电极(2)和所述第二电极(3)之间的固体电解质(6)。 其中所述第二电极(3)以使得所述第一活性物质层(2b)经由所述固体电解质(6)与所述第二活性物质层(3b)相对的方式保持在所述第一电极(2)中, 并且通过将第一电极的集电体露出部分(2c)彼此接合而密封在第一电极中。 允许该电池进一步减薄并减轻重量,以提高每体积的每重量能量密度和能量密度,并且增强气密性。