Lithium Breakthrough Could Charge Batteries in 10 Seconds
A new version of lithium battery technology can either provide a higher storage density than current batteries, or can charge and discharge as fast as a supercapacitor, emptying its entire charge in under 10 seconds.The new battery technology, which is based on the power-centric LiFePO4 chemistry, makes for rapid charge and discharge times, but does not improve energy storage density.
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The new work involves well-understood technology, relying on lithium ions as charge carriers within the battery. But the lithium resides in a material that was designed specifically to allow it to move through the battery quickly, which means charges can be shifted in and out of storage much more rapidly than in traditional formulations of lithium batteries. The net result is a battery that, given the proper electrodes, can perform a complete discharge in under 10 seconds—the sort of performance previously confined to the realm of supercapacitors.
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Labels: batteries, efficiency, inventions
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