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2011/08/25

Power Your Smartphone by Walking

By James Lee Phillips | August 25, 2011 9:09 PM HKT
Recharging your cell phone simply by walking may soon be a reality, according to a paper in the journal Nature Communications.
In "Reverse electrowetting as a new approach to high-power energy harvesting", researchers Tom Krupenkin and J Ashley Taylor outline the potential for using the energy generated in human motion to power portable electronics.(COMPAQ Presario CQ20-100 AC Adapter)
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"Humans, generally speaking, are very powerful energy-producing machines," writes Krupenkin. "While sprinting, a person can produce as much as a kilowatt of power." This is more than enough to power many of our mobile electronic gadgets -- laptops and cell phones included. Up to now, however, "what has been lacking is a mechanical-to-electrical energy conversion technology that would work well for this type of application."(TOSHIBA Satellite M35X-S1142 AC Adapter )
The answer? "Electrical energy generation is achieved through the interaction of arrays of moving microscopic liquid droplets with novel nanometer-thick multilayer dielectric films."
Or, to put it another way, the mechanical energy (generated by walking, for example) gets converted into electrical energy via a bunch of incredibly tiny drops of fluid 'rubbing up against' layers of an incredibly thin film. (ACER Travelmate 2400 AC Adapter )
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Or you might simply call it "InStep NanoPower", which (not coincidentally) is the name of Krupenkin and Taylor's newly-formed business.
Since these structures are so very small, they can be incorporated into all sorts of things that experience regular movement (such as footwear, for example) without requiring significant and unsightly additions, or even causing any additional effort (unlike that pedal-powered lamp connected to your bicycle, for example).(Sony Dcr-hc19e Battery)
The direct connection between the power-generating footwear would provide the power needed to power or recharge a smartphone, netbook, GPS unit, or any number of other battery-dependent devices. But the report gets even better -- it outlines the possibility that you won't even have to plug your iPhone into your left shoe while you walk.(Universal External Battery)
Using a WiFi hot spot to transfer the power wirelessly, your energy-harvesting sneakers could be able to charge up your phone (or whatever) without being in contact with the device. Technically, this means that you can set your smartphone down on the desk and power it up simply by going about your usual business.(IBM THINKPAD 600E AC Adapter )
Not much of a charge will be provided for the usual cubicle-bound desk jockey, but a few trips to the bathroom, the water cooler, the boss' office -- and voila, your device is good for another few hours.
James Lee Phillips is a Senior Writer & Research Analyst for IBG.com. With offices in Dallas, Las Vegas, and New York, & London, IBG is quickly becoming the leading expert in Internet Marketing, Local Search, SEO, Website Development and Reputation Management. More information can be found at www.buy-laptop-battery.org. Craig Morganson Online was born and raised in Connecticut and then migrated to Nevada in 1980. He is a competitive athlete, musician and successful entrepreneur
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