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Alkaline zinc manganese dioxide battery
2012-01-17 11:07:40 admin
Alkaline zinc manganese dioxide battery is developed on the basis of the zinc manganese batteries, zinc manganese battery is improved. Can be divided into alkaline manganese battery (commonly known as alkaline batteries), button type alkaline zinc manganese battery (commonly known as button batteries) and rechargeable alkaline zinc manganese battery.
Alkaline manganese battery is used the high activity of special electrolytic manganese dioxide as cathode active material, Koh aqueous solution as the electrolyte, paste zinc as negative, a battery with inverse pole structure. The shell is a nickel plated steel shell, do not participate in the electrochemical reaction, so it is not easy to leakage. The large current discharge performance and continuous discharge performance, high capacity, low temperature performance, is currently the highest grade alkaline zinc manganese battery products. Usually in the cell type "L" with said. For large current discharge and continuous use of electrical appliances, such as the recording device, a pager, camera, electric toys and so on. According to the mercury content in the cell level, divided into mercury containing batteries, battery and low mercury mercury free battery.
Button batteries by electrolytic manganese dioxide mixed with graphite pressure into a sheet anode, potassium hydroxide aqueous solution as electrolyte, zinc pressure flaky as negative, plus or minus between diaphragm separated. Its battery capacity is small, suitable for small current discharge of micro electrical appliances, such as electronic watches, calculators, etc..
The same charge alkaline zinc manganese batteries and alkaline manganese battery, rechargeable function is adopted to improve the cathode structure, in the cathode doping improved reversibility of manganese dioxide, controlling the amount of zinc cathode active material, the double-layer vibration, prevent the rechargeable battery zinc dendrite penetration, and other measures to achieve. The charging performance of the battery is poor, and the charging and discharging times are about 30 times, which can be used in the field of alkaline manganese batteries.

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