Stanford breakthrough might triple battery life

#Energy

A picture taken on October 12, 2011 in the French western city of Rennes shows a Samsung phone, a Blackberry phone and an Iphone 4. AFP PHOTO / DAMIEN MEYER Annoyed by how often your cellphone needs recharging? Stanford researchers say they've made a major step toward the "holy grail" of energy storage - a pure lithium battery.

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