⚙️ how
How do batteries convert chemical energy into electricity?
ChemistryTechnology
Quick Answer
Batteries use redox reactions to move electrons through an external circuit. One part of the battery gives up electrons while another part accepts them.
The Full Story
A battery contains two electrodes and an electrolyte that allows ions to move inside the cell. Chemical reactions at the electrodes create a voltage difference, which pushes electrons through the circuit. In rechargeable batteries, such as lithium-ion cells, the reaction can be reversed by applying electricity. This makes batteries useful for phones, cars, and grid storage.
Key Facts
1.Batteries rely on redox reactions
2.Lithium-ion batteries are rechargeable
3.Voltage comes from a chemical difference between electrodes
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"The chemistry that powers your phone"