Button-type alkaline battery
专利汇可以提供Button-type alkaline battery专利检索，专利查询，专利分析的服务。并且PURPOSE:To increase the liquid absorbing speed of a negative active material, and improve the preservation characteristic of an alkaline battery by using a sodium salt of carboxymethylcellulose having a mean molecular weight of 210,000-420,000 as a thickner for the negative zinc electrode of the battery. CONSTITUTION:After a sealing plate also working as a negative terminal, and a nylon gasket are coupled together, a given amount of mixture, which is prepared by mixing 100pts.wt% of an amalogamated zinc with a combined ratio of mercury to zinc of 11% with 3pts.wt% of CMC used as a thickner, is weighed and packed into the above sealing plate. Next, an alkaline electrolyte is poured onto the mixture packed into the above sealing plate so as to make CMC contaied in the mixture to be gelled. On the other hand, a positive part is constituted by installing positive mixture principally consisting of manganese dioxide into a positive case. After that, thus constituted positive part is combined with an electrolyte holding member made of nylon, a separator consisting of a cellophane and a polyethylene layer, and the above sealing plate, thereby constituting a battery. According to the test result, no liquid leakage was recognized in the battery of the above constitution both right after the assembly and after the preservation. In contrast, among conventional batteries, 7 out of 20 batteries had liquid leakage even right after the assembly.，下面是Button-type alkaline battery专利的具体信息内容。
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