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9V Zinc Chloride Battery

20.00 18.00

zinc-carbon battery is a dry cell primary battery that delivers about 1.5 volts of direct current from the electrochemical reaction between zinc and manganese dioxide. A carbon rod collects the current from the manganese dioxide electrode, giving the name to the cell.

Description

9V Zinc Chloride Battery

zinc-carbon battery is a dry cell primary battery that delivers about 1.5 volts of direct current from the electrochemical reaction between zinc and manganese dioxide. A carbon rod collects the current from the manganese dioxide electrode, giving the name to the cell. A dry cell is usually of a zinc can which also serves as the anode with a negative potential, while the inert carbon rod is the positive cathode. General purpose batteries may use an aqueous paste of ammonium chloride as an electrolyte, possibly mixed with some zinc chloride solution. Heavy duty types use a paste primarily composed of zinc chloride.

Zinc-carbon batteries were the first commercial dry batteries to use the technology of the wet Leclanché cell to manufacture. They made flashlights and other portable devices possible because the battery can function in any orientation. They are still used in low drains or intermittent use devices such as remote controls, flashlights, clocks or transistor radios. Zinc-carbon dry cells are single-use primary cells.

9V Zinc Chloride Battery

The zinc chloride cell is an improvement on the original zinc–carbon cell, using purer chemicals and giving a longer service life and steadier voltage output. These cells are usually marketable as heavy-dutyextra-heavy-duty, or even super-heavy-duty batteries, and offer about twice the service life of general purpose zinc-carbon cells, or up to four times in continuous-use or high-drain applications.

Zinc-carbon cells have a short shelf life of ammonium chloride attack the zinc. The zinc container becomes thinner by the continuous use because zinc metal is oxidized to zinc ions. When the zinc case thins enough, zinc chloride begins to leak out of the battery. The old dry cell is not leak proof and becomes very sticky as the paste leaks through the holes in the zinc case.

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