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Researchers have demonstrated a prototype nanometer-scale generator that produces continuous direct-current electricity by harvesting mechanical energy from such environmental sources as ultrasonic waves, mechanical vibration or blood flow.
Based on arrays of vertically-aligned zinc oxide nanowires that move inside a novel “zig-zag” plate electrode, the nanogenerators could provide a new way to power nanoscale devices without batteries or other external power sources.
“This is a major step toward a portable, adaptable and cost-effective technology for powering nanoscale devices,” said Zhong Lin Wang.
“There has been a lot of interest in making nanodevices, but we have tended not to think about how to power them.
Our nanogenerator allows us to harvest or recycle energy from many sources to power these devices.”
The research was sponsored by DARPA, the National Science Foundation, and the Emory-Georgia Tech Center of Cancer Nanotechnology Excellence.
Wang and his group members Xudong Wang, Jinhui Song and Jin Liu expect that with optimization, their nanogenerator could produce as much as 4 watts per cubic centimeter – based on a calculation for a single nanowire.
Originally posted by DYepes
From your source. Now if that is a correct measure of power generation, why does this tech have to be limited to powering nano-devices? Why can we string up a hundred of these babies, which probably would not be bigger than a sandwich, and have it power a home desktop, TV, cell-phones etc.. etc..
what is equiveland to 100 cubi centimeters? Thats like one cubic meter right? Thats not big at all if it generates 400 watts of power to be used by a variety of devices.