Research and Development of China Instrument Network Instrumentation Prof. Xiaodong Fang from the Laser Technology Center of the Chinese Academy of Sciences and Prof. Ma Mingming from the School of Chemistry and Materials Science of the University of Science and Technology of China cooperated with the responsive polymer to design the humidity-driven and magnetic field to control the flexibility of the motion direction. Traction machine."
Loaded Magnetic Nanoparticle Thin Film Structures and Pictures
The related research work was published in Journal of Materials Chemistry C (J. Mater. Chem. C, 2017, 5, 4129-4133) titled "Magnetically directed soft actuators driven by moisture." The first author of this paper is Gao Fengxian, a doctoral student at the 2014 level of Anguang.
Polyol-doped polypyrrole films are sensitive to humidity and can be continuously flipped by humidity. Using this response characteristic of polypyrrole films, the researchers designed a humidity-driven flexible "puller" by incorporating magnetic nanoparticles into the film. The external magnetic field can effectively control the direction of movement of the film. This flexible actuator can effectively convert the energy in the environment into kinetic energy and transport the goods to their destination.
In addition, based on the temperature-responsive polymer-PVDF, the researchers designed a water-vapour-activated pyroelectric nanogenerator that uses the condensing and vaporization of water vapor to absorb the heat and achieve the temperature of the pyroelectric material. Fast-paced, no extra power consumption. Power supply performance is good, can get up to 145 volts output voltage, and can continuously drive low-power electronic devices, such as electronic watches. As a flexible energy conversion device, it can effectively collect waste heat from the environment and convert it into electricity for power generation. This work was published in Nano Energy (2016) 22, 19-26.
The above research work has been funded by the National Natural Science Foundation of China.
(Original title: Amine has made series of progresses in response to flexible polymer energy converters)
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