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Thomas Edison's nickel-iron battery gets 21st-century makeover, could power electric cars


They have bonded the electrodes to carbon nanotubes and to graphene, a super-material made of carbon just one atom thick, gaining a dramatic boost in conductivity.

"Coupling the nickel and iron particles to the carbon substrate allows electrical charges to move quickly between the electrodes and the outside circuit," Dai said in a press release.

"The result is an ultra-fast version of the nickel-iron battery that's capable of charging and discharging in seconds."


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