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    • 8. 发明授权
    • Method for making a nickel positive electrode for an alkaline battery
    • 碱性电池用镍正极的制造方法
    • US4000005A
    • 1976-12-28
    • US647624
    • 1976-01-08
    • James McBreen
    • James McBreen
    • H01M4/04H01M4/32H01M4/38
    • H01M4/0404H01M4/04H01M4/0416H01M4/043H01M4/32Y10T29/49114
    • A nickel alkaline storage battery electrode made by vacuum impregnating a porous conductive support with a coagulum of nickel hydroxide, cobalt hydroxide and graphite particles entrained in a three dimensional, reticulated, open-celled polyvinylidene fluoride binder, and thereafter compressing and drying the impregnated support. The coagulum is formed by mechanically suspending the hydroxide and graphite particles in a medium which is not a solvent for the polyvinylidene fluoride in a separate operation dissolving the polyvinylidene fluoride in a solvent which is only slowly soluble in the suspension medium for the particles, and thereafter adding the polyvinylidene fluoride solution to, and intimately mixing it with, the suspension such that the polyvinylidene fluoride slowly precipitates and coagulates substantially uniformly throughout the solution-suspension mixture and entrains the particles therein as coagulation proceeds.
    • 一种镍碱性蓄电池电极,其通过真空浸渍多孔导电性支撑体,将氢氧化镍,氢氧化钴和石墨颗粒的凝结物夹带在三维网状的开孔聚偏二氟乙烯粘合剂中,然后压缩并干燥浸渍的载体。 凝结物通过将氢氧化物和石墨颗粒机械地悬浮在不是聚偏二氟乙烯的溶剂的介质中,以单独的操作将聚偏二氟乙烯溶解在仅缓慢溶于颗粒的悬浮介质中的溶剂中而形成,之后 将聚偏二氟乙烯溶液加入悬浮液中并与之充分混合,使得聚偏二氟乙烯缓慢沉淀并在整个溶液悬浮混合物中基本上均匀地凝结,并随着凝结进行而将颗粒夹带在其中。