Lithium-air batteries, which could give electric cars the same range as gasoline ones, are a step closer to becoming practical. Researchers at Yale and MIT have found a way to alleviate two of the batteries’ biggest problems—their inefficiency and inability to be recharged many times.
The researchers developed a nanostructured membrane that reduces the energy needed to recharge the battery, making it more efficient. The advance also allowed an experimental version of the battery to be recharged 60 times without losing storage capacity— roughly double the number of times as previous versions of the battery. (Electric car batteries should last roughly 1,000 recharge cycles.)
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