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The battery research institute of Ulsan University of Science and Technology in Korea and the LG Chemical Technology Research Institute issued a statement on August 15, saying that new materials for the secondary battery electrodes that have been charged or discharged within 2 minutes have been developed. The battery for mobile phones or electric vehicles can not only greatly shorten the charging time, but also can pass a large number of discharges in a short period of time, and better improve the output power of electric vehicles.
The report said, "The new material for making rechargeable batteries is called "nanotubes." It is a very tiny amount of antimony (Sb) particles on the surface of very fine germanium (Ge) wires. The temperature is again 700 degrees Celsius. After heating, a cavern with a diameter of about 200 nanometers will appear in the center of the rifling line.The use of such nanotubes when producing lithium batteries shows that the current flow rate is 200 times faster than the existing rechargeable battery, only 2 The charge can be completed in minutes, while the existing battery requires 30 to 60 minutes. After 400 repeated charge/discharge cycles, the battery capacity is maintained at about 98%."
The statement pointed out that the existing silicon semiconductor nanotube synthesis technology is difficult to put into production in large quantities. If this new material is commercialized, it can be charged at a gas station or at home in a short time. It also made it possible to develop "robust electric vehicles" that require a lot of energy to be output instantaneously when climbing a hill. In addition, the convenience of high-speed charging of various electronic products using rechargeable batteries, such as mobile phones, will also be opened.
The results of this research were published in a special (VIP) paper on the international version of the August 16th World Academic Journal of Applied Chemistry (Angewandte Chemie).
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