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Batteries are devices for energy conversion and storage, which convert chemical or physical energy into electrical energy through reactions. According to the different energy conversion of batteries, they may be divided into chemical batteries and physical batteries.
Chemical batteries or chemical power sources are devices that convert chemical energy into electrical energy. It is composed of two different components of electrochemically active electrolytes, positive and negative. It uses a chemical substance that can provide a medium for conduction as an electrolyte. When connected to an external carrier, it converts its internal chemical energy to supply electrical energy.
A physical battery is a device that converts physical energy into electrical energy.
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