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Solar Cell Doubles as Battery
Technology Review reports that scientists from Toin University of Yokohama have designed a single device that can both convert solar energy to electricity and store the electricity. The photocapacitor can also capture energy from weak light sources like sunlight on cloudy or rainy days and indoor lighting. The light-driven, self-charging capacitor could eventually be used to power phones, cameras, and PDAs. "Users can just bring the device anywhere and expose it to indoor and outdoor ambient light whether they need power or not [then] release the stored electricity anytime they want," explains Tsutomu Miyasaka, a researcher at the University. |
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