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    • 2. 发明授权
    • Structure of positive plate of enclosed type battery
    • 封闭式电池正极板结构
    • US4324828A
    • 1982-04-13
    • US157001
    • 1980-06-06
    • Noboru EbatoToshiki KaharaKohki Tamura
    • Noboru EbatoToshiki KaharaKohki Tamura
    • H01M4/36H01M4/06H01M4/08H01M4/00
    • H01M4/08H01M4/06
    • A positive plate composite agent consisting of a mixture of manganese dioxide, carbon powder and polytetrafluoroethylene powder is press-molded at a pressure in the range of 1 to 5 t/cm.sup.2. The resulting molded article is then pulvertized into massive particles having a particle size ranging from 0.03 to 15 mm.sup.3. The massive particles are then press-molded into a positive plate having a predetermined shape at a pressure in the range of 0.2 to 1 t/cm.sup.2.There is thus obtained a positive plate of an enclosed type battery which comprises a portion consisting of the compactly formed massive particles of the positive plate composite agent and a portion consisting of the coarsely formed small particles of the composite agent interposed between the massive particles so as to define paths or voids for the passage of an electrolyte.
    • 将由二氧化锰,碳粉和聚四氟乙烯粉末的混合物组成的正极板复合剂在1至5t / cm 2的压力下进行压模。 然后将所得模制品沥青成粒度范围为0.03至15mm 3的块状颗粒。 然后将块状颗粒在0.2至1t / cm 2的压力下压制成具有预定形状的正极板。 由此获得封闭式电池的正极板,其包括由正极复合材料的紧凑形成的块状颗粒组成的部分和由形成在块状颗粒之间的复合剂的粗略形成的小颗粒组成的部分,以便 以限定用于电解质通过的路径或空隙。