Fudan University develops implantable vein nano-generators
People build dams and large turbines to convert the energy of waterfalls and tides into electricity. In order to achieve smaller-scale water flow generation, scientists at Fudan University in China have developed a light-duty generator based on carbon nanotube fibers that can be implanted inside veins and generate electricity from flowing blood.
In 2011, Swiss researchers developed miniature turbines that could theoretically be implanted in human arteries and generate electricity through blood flow. However, this device will produce a lethal blood clot, which cannot be used in practice due to its insecurity.
The new type of power generation device developed by researchers at Fudan University is based on ordered carbon nanotubes wound on a polymer core. The power generation core is controlled by fibrous fluid nanodevices (FFNG), and the power is derived from the relative motion of FFNG. Through the delamination of fibers to obtain blood flow gradient force. It is understood that this technology will provide a certain degree of security in terms of security.
It is unclear how much power the device can produce, and the research team believes that the device has higher efficiency than other micro energy harvesting devices and its power conversion rate is higher than 20%. The technology is currently in its early stages, but researchers say that after implanting the device in frogs, the ideal results have been achieved and they hope to be used clinically as soon as possible to contribute to implantable medical device technology. The study was published in the journal Angewandte Chemie.
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