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    • 6. 发明专利
    • Method for manufacture of cadmium electrode
    • 镉电极的制造方法
    • JPS59186261A
    • 1984-10-23
    • JP6242783
    • 1983-04-08
    • Matsushita Electric Ind Co Ltd
    • IWAKI TSUTOMUKAWANO HIROSHI
    • H01M4/44H01M4/30H01M4/62
    • H01M4/30
    • PURPOSE:To obtain a non-sintered cadmium electrode providing characteristics close to a sintered cadmium electrode under severe operating conditions while still reserving ease of manufacture, by using the active material mixture of one or both cadmium oxide and cadmium hydroxide and a specific amount of nickel powder. CONSTITUTION:An active material mixture of 70-50pts.wt., for the equivalent of cadmium oxide, of one or both of cadmium oxide and cadmium hydroxide and 30-50pts.wt. of nickel powder is spread over a core member and pressed together. As the active material, cadmium oxide having a larger apparent density and being easy for filling is more preferable, but cadmium hydroxide or mixture of both can also be used. As the nickel powder, carbonyl nickel is preferable, and as the core member, punching metal, expanded metal, net, or the like is used. As the bonding agent, hydrophilic material with low electrical resistivity such as carboxyl methyl cellulose or polyvinyl alcohol is preferable.
    • 目的:通过使用氧化镉和氢氧化镉之间的一种或两种的活性物质混合物和特定量的镍,以获得在苛刻的操作条件下提供接近烧结镉电极的特性的非烧结镉电极,同时仍然保持制造的容易性 粉末。 构成:氧化镉和氢氧化镉中的一种或两种为30-50pts.wt。的等效氧化镉为70-50pts.wt。的活性物质混合物。 的镍粉分散在核心部件上并压在一起。 作为活性物质,更优选具有较大表观密度和易于填充的氧化镉,但也可以使用氢氧化镉或二者的混合物。 作为镍粉末,优选为羰基镍,作为芯材,使用冲孔金属,多孔金属网等。 作为粘合剂,优选羧基甲基纤维素或聚乙烯醇等低电阻率的亲水性材料。