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Question:

Solar cells and the difference between ordinary batteries. Why is the solar cell is converted into electrical energy, zinc battery is what is converted into chemical energy

Solar cells and the difference between ordinary batteries. Why is the solar cell is converted into electrical energy, zinc battery is what is converted into chemical energy

Answer:

Solar cells do not need to consume chemical substances, as long as there is sunshine will be electricity; ordinary battery must be a chemical reaction will be generated. Solar cells in the absence of time can not power, ordinary battery without this limit.
The so-called chemical energy, in fact, is "chemical potential". Can be released through the oxidation-reduction reaction of energy, into other energy. This is the release of chemical energy.
Ordinary batteries have a certain life, can not be stored for too long, or the power will slowly run out of solar cells do not exist chemical failure, can be long-term preservation.

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