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Samsung working on battery breakthrough for powering cars

Lithium-air promises twice the capacity of today's Li-ion tech

Samsung's central research lab has developed a lithium-air battery prototype that would nearly double the range of electric vehicles.

SEOUL -- Samsung Electronics is developing technology that could give electric-vehicle batteries almost double the capacity of today's mainstream lithium-ion power packs, looking to get a step ahead of Toyota Motor's competing tech.

The South Korean icon is working on a breakthrough in lithium-air cells, regarded in the industry as the holy grail. Samsung's central research lab recently produced a lithium-air battery with a capacity of 520 watt-hours per kilogram.

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