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New nanolithia cathodes may address technical drawbacks of Li-air batteries; scalable, cheap and safer Li-air battery system

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Conventional lithium-air batteries draw in oxygen from the outside air to drive a chemical reaction with the battery’s lithium during the discharging cycle, and this oxygen is then released again to the atmosphere during the reverse reaction in the charging cycle. volts to 0.24 —Zhu et al.

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Cambridge researchers take new approach to overcome challenges to Li-O2 batteries; laboratory demonstrator

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volt, and impressive rechargeability. While the results, reported in the journal Science , are promising, the researchers caution that a practical lithium-air battery still remains at least a decade away. This battery cycles via LiOH formation, not Li 2 O 2 , and is able to tolerate large quantities of water.

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