14.03.2010 12:35 Uhr, Quelle: Engadget

Stanford develops safer lithium-sulfur batteries with four times the charge of lithium-ion cells

Longer battery life is high atop our list of gadget prayers, and the brainiacs at Stanford are one step closer to making our dreams come true with a new lithium-sulfur technology. Half of this trick lies in the silicon nanowire anode that the same team developed back in 2007, whereas the new cathode consists of a similarly commodious lithium sulfide nanostructure. Compared to present lithium-ion batteries, Stanford's design is "significantly safer" and currently achieves 80 percent more capacity, but it's

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