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Stories about: cobalt oxide

New Li-ion Battery Stores 30% More Energy Lithium-ion batteries have the bad 'habit' of quickly losing energy storing capacity or even of lighting up on fire when damaged or over-charged. However, Argonne National Laboratory researchers say that they can make these problems go away and increase the storing capacity of Li-ion batteries by up to 30 p... 10 April 2008 11:22 GMT