The flywheel battery is a new concept battery proposed in the 1990s. It breaks through the limitations of chemical batteries and use physical methods to achieve energy storage.

　　As we all know, when the flywheel rotates at a certain angle speed, it has certain kinetic energy. The flywheel battery is converted into electrical energy with its kinetic energy. The high -tech flywheel is used to store electrical energy, which is very similar to standard batteries.

　　There is a motor in the flywheel battery. When charging, the motor operates in the form of an electric motor. Driven by the external power supply, the motor drives the flywheel to rotate at a high speed, that is, the "charging" of the flywheel battery "charging" increases the speed of the flywheel to increase its function; when discharge The motor operates in the state of the generator, and the external output power of the external output is completed under the drive wheels to complete the conversion of mechanical energy (kinetic energy) to electrical energy. When the flywheel battery is issued, the speed of the flywheel is gradually decreased. The flywheel of the flywheel battery runs in a vacuum environment with extremely high speed (up to 200000R/min). The bearing used is non -contact magnetic bearing. It is said that the flywheel battery can reach 150Wh/kg than the energy, and the power is 5000-10000W/kg. The service life is as long as 25 years.

　　The US Filifier Systems has successfully changed a Chrysler LHS sedan to an electric car with the latest flywheel battery. It can drive 600km at a time, and the acceleration time from quiet to 96km/h is 6.5 seconds.

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