Thursday, February 14, 2013

battery breakthrough

nanotechnology now reports a breakthrough in battery technology at usc. energy storage technology is the achilles heel of plans to roll out renewables faster and in more applications. there is major evolution and in 5 years storage may no longer be a choke point:

Cheap, strong lithium-ion battery developed at USC. New design uses silicon nanoparticles to improve capacity and recharge more quickly.

The new batteries—which could be used in anything from cell phones to hybrid cars—hold three times as much energy as comparable graphite-based designs and recharge within 10 minutes. The design, currently under a provisional patent, could be commercially available within two to three years.

"It's an exciting research. It opens the door for the design of the next generation lithium-ion batteries," said Chongwu Zhou, professor at the USC Viterbi School of Engineering, who led the team that developed the battery. Zhou worked with USC graduate students Mingyuan Ge, Jipeng Rong, Xin Fang and Anyi Zhang, as well as Yunhao Lu of Zhejiang University in China. Their research was published in Nano Research in January.

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