With the development of electronic equipment and new energy vehicles, batteries have become indispensable products in life. The power consumption and lifespan of batteries have become urgent problems to be solved today. As a "black gold" material with wide application and excellent performance, graphene has high hopes in the scientific community. Researchers at home and abroad have never stopped researching it.
Recently, there are news reports that the research group of the University of Electronic Science and Technology of China (University of Electronic Science and Technology of China) has made a breakthrough in graphene supercapacitor technology. This technology uses a simple preparation method to effectively reduce production costs and promote industrial development. This good news stimulated the research enthusiasm of scientific researchers, and also provided a new direction of graphene research.
How does the research group of the University of Electronic Science and Technology use graphene to improve the cost performance of supercapacitors? The members of the research team assembled the graphene oxide sheets with the help of electric field assisted methods to prepare 3D graphene networks. As expected, the 3D graphene network-based supercapacitor achieved high specific capacitance and good rate performance, significantly improving the accessible surface area and high conductivity due to the large electrolyte.
How is the technological breakthrough of super capacitors related to batteries? A supercapacitor is an electrochemical physical component that does not possess chemical reactions. Supercapacitors store energy by injecting an electrolyte. Under the action of the electrode, the electrolyte charges the surrounding charges and attaches to the surface of the electrode to form a double-charge layer. The special electrode structure generates a great capacitance.
The research technology of the University of Electronic Science and Technology has improved the energy storage problem of the super capacitor to a certain extent, reduced the power consumption of the battery and extended the service life. Looking ahead, with the advancement of science and technology, the application of graphene in the field of batteries will become more and more in-depth, and will be widely used in the battery industry.
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