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Ben Preiss
40-Hour Laptop Batteries - Stanford Silicon Nanowires
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By using silicon nanowires as the anode, in rechargeable lithium ion batteries, instead of graphite the amount of lithium the anode can hold is extended tenfold and thus the battery’s life. Needless to say, a tenfold increase in battery life is great news far beyond laptops. This is great for travellers who want to use their computers on long flights, whether to do work, watch personal videos or play those games they’re so addicted to.  "It's not a small improvement," Cui said. "It's a revolutionary development." And Cui means to move the development out of the lab as soon as possible. "We are working on scaling up and evaluating the cost of our technology," Cui said. "There are no roadblocks for either of these."
Cui has filed a patent on the technology and is evaluating the formation of a company or licensing the technology to a battery manufacturer. Potentially two-day batteries could be on the market within "several years," he said.
(news.yahoo)Source: blog.wired Via: news.yahoo |
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