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May 16, 2025 · Battery, in electricity and electrochemistry, any of a class of devices that convert chemical energy directly into electrical energy. Although the term battery, in strict usage, …

Batteries are a collection of one or more cells whose chemical reactions create a flow of electrons in a circuit. All batteries are made up of three basic components: an anode (the '-' side), a …

Feb 13, 2024 · What is a battery? A battery is a self-contained, chemical power pack that can produce a limited amount of electrical energy wherever it's needed.

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Batteries use chemistry, in the form of chemical potential, to store energy, just like many other everyday energy sources. For example, logs and oxygen both store energy in their chemical …

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