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New Advances with the Lithium-Air Battery (Science-Daily)

Researchers at the University of Cambridge have made new developments in increasing the future viability of a lithium-air battery and have developed a lab-based demonstrator of a lithium-oxygen battery which has higher capacity, increased energy efficiency and improved stability over previous attempts. Their demonstrator relies on a highly porous, ‘fluffy’ carbon electrode made from graphene (comprising one-atom-thick sheets of carbon atoms), and additives that alter the chemical reactions at work in the battery, making it more stable and more efficient.   Lithium-air, batteries have been touted as the ‘ultimate’ battery due to their theoretical energy density, which is ten times that of a lithium-ion battery. Such a high energy density would be comparable to that of gasoline — and would enable an electric car with a battery that is a fifth the cost and a fifth the weight of those currently on the market to drive from London to Edinburgh on a single charge.  Though practical technology remains at least a decade away that such advances are possible is promising.

Attribution: Read More: http://www.sciencedaily.com

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