On March 18, 2014, scientific researchers demonstrated the acoustic wave sensing device. As long as a person speaks to the device in his hand, the film is forced to vibrate under the action of sound waves, rubs against the metal electrode, generates induced charges, and outputs electrical signals.
A team led by Academician Wang Zhonglin, chief scientist of the Beijing Institute of Nanoenergy and Systems, Chinese Academy of Sciences, successfully developed new triboelectric power generation energy technology. Frictional power generation technology can bring a new supply model to future energy development.
Wang Zhonglin successfully developed the world's first friction generator in January 2012. And invented a triboelectric generator that can collect and utilize the electrical energy generated by friction and static electricity such as shaking hands, walking, and tides. The relevant article has been published in "Nature Communications" on March 5.
In the past two years, he has led the team to realize real-time power supply for small electrical appliances, reducing costs and making industrialization possible. The power source of this triboelectric generator can be wind power, water power, waves, etc., or environmental random energy such as human walking, hand touch, falling raindrops, or even garbage energy such as the rotation of wheels and the roar of machines. , even if you talk. "Perhaps in the near future, as long as you walk normally, the friction generator attached to your clothes or installed in your shoes can charge the mobile phone you carry with you at any time." Wang Zhonglin said.
A 4 cm square film material is connected to the LED light through wires. Just pinch the film material with your hands, and the LED light will light up.
This device made of polymer transparent film material is a generator, or triboelectric generator. Academician Wang Zhonglin, chief scientist of the Institute of Nano Energy, told reporters that triboelectric generators are mainly composed of organic materials and common metals, and their usage is very small. The triboelectric generator utilizes the coupling of frictional electrification and electrostatic induction effects, and at the same time cooperates with the design of thin-layer electrodes to achieve effective output of current. The current output power can reach up to 500 watts/square meter. ”
The nanogenerator invented by Academician Wang Zhonglin.
On January 13, 2022, the Chinese Academy of Sciences Beijing Nano Energy and The Institute of Systems Research has released two major scientific research developments. After several years of research and experimental verification, chief scientist Wang Zhonglin has successfully expanded Maxwell's equations, and the relevant results were recently published in the international academic journal "Materials Today"
Wang Zhonglin is the founder of the field of nanoenergy research. He invented the piezoelectric nanogenerator and the triboelectric nanogenerator. The extended Maxwell equations established by Academician Wang Zhonglin successfully extended the electromagnetic field theory to the case of moving media, laying the foundation for It will have a profound impact on basic science and key cutting-edge technologies.
In 1961, Wang Zhonglin was born. In Gaoyang Town, Pucheng County, Shaanxi Province, there are three junior high schools and high schools.I spent a third of my time in the fields. In 1975, Wang Zhonglin was admitted to Gaoyang Middle School. In 1978, he was admitted to Northwest Institute of Telecommunications Engineering (now Xi'an University of Electronic Science and Technology).
In 1982, through the Sino-US Joint Physics Postgraduate Program (CUSPEA) established by Mr. Li Zhengdao, he went to Arizona State University to study under Professor J.W. Cowley. In July 1987, he received a PhD in physics from Arizona State University.
From August 1987 to September 1988, he engaged in postdoctoral research at the State University of New York at Stony Brook. From July 1988 to June 1989, he served as a Research Fellow at the Cavendish Laboratory of the University of Cambridge, UK.