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New lithium-air battery survives hundreds of cycles

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#1 TheSentinel


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Posted 24 March 2018 - 06:35 PM

New lithium-air battery survives hundreds of cycles
Reaction with CO₂ gives lithium a protective coat that holds up to oxygen.

John Timmer - Mar 22, 2018 6:23 pm UTC

Batteries supply electrons by undergoing reversible chemical reactions. That has meant that all the reactants have to be inside the battery, which adds to its weight and volume. Lithium-air batteries could potentially change that situation. At one electrode, they have pure lithium metal rather than a lithium-containing chemical. At the other, the lithium reacts with oxygen in the air. When the battery is charged, this reaction is reversed, and the oxygen is returned to our atmosphere.

See the whole information on that at: