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There is a paper battery consisting of carbon nanotubes and silver nanowires that can be used as a portable device. Researchers claim that the new battery is disposable and can be manufactured in various ways according to the needs of different devices. shape.
The team who developed the battery, Stanford University's Assistant Professor of Materials Science and Engineering, YiCui and his team showed that it can be applied to include supercapacitors to inexpensive electrodes.
And other conductive paints for various battery components; Cui said that the technology can be introduced into commercialization within a few years.
Cui said: "Paper can now be used as a substrate to produce functional conductive electrodes;" The conductive paper developed by its research team is a special nano-ink solution containing carbon nanotubes and silver nanowires. Coating; The coating will form a one-dimensional structure of the film, adhere to the fibrous paper surface.
Bing Hu, a postdoctoral researcher at Stanford University, used a special type of ink to coat general paper, allowing the nanotubes in the ink to deposit on the surface of the paper. Manufacturing paper cells coated with paper would become highly conductive electrical storage components. After the person charges, it is used to start the LED; this kind of battery can store one charge, better than the capacitor, but its performance per unit current time (current unit time) is less.
The researchers said that because of their high surface-to-volume ratio, the conductive paper can also be used as an ultracapacitor for electric vehicles; or it can be used to form large-scale electricity storage arrays to store electricity at night. Excess electricity, then release electricity during the day to redistribute it.
According to tests conducted by Stanford researchers, the paper battery can be recharged and discharged up to 40,000 times, which is 10 times that of traditional lithium-ion batteries.
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