Battery Breakthrough?

A supercapacitor in the form of plastic some five inches square and wafer-thin takes five seconds to charge from a normal power supply and can light an LED for 20 minutes. This may be the basis of the long-awaited technological breakthrough which consigns the battery to the dustbin of history. The Department of Aeronautics at Imperial College has been working with Volvo on a three-year project to use the material in their hybrid petrol-electric cars. The material charges and discharges electricity faster than a conventional battery and, since there is no chemical processes involved, it has an infinitely longer lifespan. This would drastically reduced the size and weight of the power unit required to run a car or a bus at last providing a practical alternative to the petrol/diesel engine.


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