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Charging a lithium-ion battery efficiently with a solar cell
2015-10-10 11:01:26

Researchers have wired four perovskite solar cells in series to enhance the voltage and 

directly photo-charged lithium batteries with 7.8 percent efficiency -- the most efficient 

reported to date, the researchers believe.

Consumers aren't embracing electric cars and trucks, partly due to the dearth of charging stations required to keep them moving. Even the conservation-minded are hesitant to go electric in some states because, studies show, if fossil fuels generate the electricity, the car is no greener than one powered with an efficient gasoline.

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