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reginae'
reginae' asks:
Q:

how do batteries produce electricity?

In Topics: Science fair
> 60 days ago

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Expert

greenprof2
Mar 29, 2012
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What the Expert Says:

Batteries contain chemicals that react to produce a current of electrons.
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Additional Answers (1)

TaraLawful
TaraLawful writes:
Usually they don't even produce it, only store and release it. For instance, home PV system needs batteries to store energy and supply you with energy once in the evening. If you are talking about smaller batteries for remote controller, those simply contain chemicals that react and generate small amount of energy. Here is a nice post about energy efficiency:

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