On January 24, according to foreign media reports, researchers found that static electricity may charge our electronic devices.
James Chen, an assistant professor in the Department of Mechanical and Aerospace Engineering at the School of Engineering and Applied Science at the University of Buffalo, said: "Static electricity can be seen everywhere. Almost everyone's fingers have been electrified by the door handle, or the child's hair is stuck to the balloon Above. To integrate this energy into our electronic products, we must better understand the driving force behind it. "
Dr. Chen believes that the reason for the static phenomenon is that after an object rubs against a material, a slight structural change occurs on the surface of the material. This discovery could eventually help technology companies create more sustainable and longer-lasting power supplies for small electronic devices.
The National Science Foundation provides $ 400,000 (approximately $ 2.71 million) in funding. Dr. Chen and Dr. Zayd Leseman of Kansas State University Mechanical and Nuclear Engineering are studying the triboelectric effect, that is, a substance contacts another through friction. A material generates electric charges.
People have known about the triboelectric effect since ancient times, but the emergence of nanotechnology, tools for understanding and applying nanotechnology have not appeared until recently. Dr. Chen said: "Our research directly answers this ancient mystery. It may unify the existing theory because the numerical results are consistent with the published experimental results."
Dr. Chen and Dr. Leseman's research designs multiple disciplines, including contact mechanics, solid mechanics, materials science, electrical engineering, and manufacturing. Through computer models and physical experiments, they developed engineering triboelectric nanogenerators (TEGs) that can control and collect static electricity.
Dr. Chen said: "The friction between the finger and the smartphone screen, the friction between the wrist and the smart watch, and even the friction between your shoes and the ground. These are the huge potential energy we can use. Ultimately, this Research can increase our economic security and help society by reducing our demand for traditional energy. "
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