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Posts Tagged ‘electricity’

World’s first realistic wireless charger

Posted by surfingall on May 4, 2010

CES 2010 was a great festival that covered tons of new releases by numerous companies. Wireless devices have always been a center of attraction. At the festival, RCA showcased the world’s very first realistic Wireless Charger. RCA’s Airnergy is here to answer all questions pertaining to wireless charging technology.

The device features neo-technological circuitry that converts WiFi energy into electricity using air as the medium! The Airnergy utilizes a mini-USB port for connecting to other devices. During a test at the CES, Airnergy successfully charged…

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Platinum-Free Fuel Cell

Posted by surfingall on May 4, 2010

Fuel cells are, in principle, the most efficient way to convert hydrogen fuel into electricity. But they require expensive catalysts such as platinum to split hydrogen into ions and electrical current. Cheaper metals simply can’t withstand the harsh acidic environment of the fuel cell. Now researchers in China have developed a fuel cell that uses a new membrane material to operate in alkaline conditions, eliminating the need for an expensive catalyst. The power output of the new prototype, which uses nickel as a catalyst, is still relatively low, but it provides a first demonstration of a potentially much less expensive fuel cell.

Conventional fuel cells consist of two electrodes coated with a platinum catalyst that splits hydrogen fuel..

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Diamonds So Hot They Produce Electricity!

Posted by surfingall on May 1, 2010

Diamonds are getting hot enough to generate electricity! Bristol lab physicist Neil Fox spends his day manipulating delicate films of diamonds as thin as a human hair. Fox aims to turn these diamond films into a new kind of solar cell, one that generates electricity by absorbing heat rather than visible-light wavelengths. He is exploiting “thermionic emission”, the propensity of some materials to spit out electrons when heated, and it turns out that ultra thin diamond is better at this than most, reports New Scientist.

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