New Battery Could Keep Phones Charged for Five Days

New Battery Could Keep Phones Charged for Five Days
(AP Photo/Pavel Golovkin)

A new lithium-sulphur battery with an ultra-high capacity could lead to drastically cheaper electric cars and grid energy storage.

Mahdokht Shaibani at Monash University in Melbourne, Australia, and her colleagues have developed a battery with a capacity five times higher than that of lithium-ion batteries. The battery maintains an efficiency of 99 per cent for more than 200 cycles, and a smartphone-sized version would be able to keep a phone charged for five days.

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