A breakthrough technology is holding forth the promise of charging electronic gadgets in minutes, never having to replace a battery again, and dropping the cost of hybrid cars. Indeed, the technology has the potential to provide an energy storage device ten times more powerful than even the latest batteries in hybrid cars — while outliving the vehicle itself. The new technology, developed at MIT’s Laboratory for Electromagnetic and Electronic Systems, should improve ultracapacitors, by swapping in carbon nanotubes, thereby greatly increasing the surface area of electrodes and the ability to store energy.
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