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New ‘lithium-air’ batteries could be 10x more powerful, 5x cheaper

New ‘lithium-air’ batteries could be 10x more powerful, 5x cheaper

November 3, 2015

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The days of electric vehicles that can only travel 80 to 100 miles per charge are numbered. That is, if a study from University of Cambridge is true.

While many factors contribute to the limited range of modern EVs, the main factors that hold back EVs from traveling as far as gasoline-powered vehicles are lithium-ion battery energy density, weight and cost. However, that may change soon, thanks to lithium-oxygen batteries.

Researchers at University of Cambridge in the UK have created a laboratory demonstration of lithium-oxygen, or “lithium-air,” batteries that have around 10 times the energy density of the lithium-ion batteries used in today’s EVs — roughly equivalent to the energy density of gasoline, according to a study in the latest edition of the journal Science.

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