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Chemical Reacts
The chemical reaction starts when you insert a battery into a device and complete the circuit. A battery produces power through a chemical reaction.
Chemical Reacts
A battery produces power through a chemical reaction.
Chemical Reacts
Most chemical reactions produce energy in the form of heat, but - by confining chemicals inside the container and controlling the resulting reaction with a separator - batteries produce electrical energy.
Device Responds
The electrolyte oxidizes the anode's powdered zinc. The cathode's manganese dioxide/carbon mix reacts with the oxidized zinc to produce electricity.
Device Responds
The collector conducts the electric current out of the battery to an external circuit, such as contact points on a flashlight bulb or a portable CD player.
Voltage Drops
As the battery is used and the zinc (anode) oxidizes, themanganese dioxide (cathode) is reduced.
Voltage Drops
Interaction between the zinc and the electrolyte produces reaction products, which gradually slows the cell's action and lowers its voltage.
Voltsge Drops
At the same time, the available manganese dioxide depletes, becoming less and less active as a cell cathode. There factors combine to cause a gradual drop in battery's "working or operating voltage"