At NanoFocus 2010, a nanotechnology conference sponsored by the Oklahoma Nanotechnology Initiative, several nanotech product ideas were discussed.
One researcher spoke of his work with batteries, both nanotech and conventional. According to the speaker, about 240 nanobatteries could fit in the diameter of a human hair. He also said that the energy output and speed of charging of conventional batteries could be speeded up using nanotechnology.
Conventional batteries carry energy through contact between inner material and electrodes. At microscopic level, even apparently flat surfaces are full of gaps and holes. By growing rods of tin-oxide on the inner battery to increase surface contact, the researcher hoped to provide five times the energy and 100 times faster charging in conventional batteries.
A laptop could be charged in two minutes, said the researcher, who also acknowledged that the batteries are years away from store shelves.
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