Monday
May052008
Water-powered fuel cell runs Samsung cellphone
Monday, May 5, 2008 at 9:56AM When the mobile is turned on, metal and the water that has been added to the phone react to produce hydrogen gas. The gas is then sent to the fuel cell where it reacts with oxygen in the air to generate power. The micro fuel cell and hydrogen generator can charge mobile devices for 10 hours (about 3 watts), and uses just ordinary water to start the chemical process.
"If the user uses the phone for four hours a day on average, they would have to change the hydrogen cartridge about every five days," Oh Yong-soo, vice president of Samsung Electro-Mechanics' research center, said.
Source: brighthand.com
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