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[ Instrument R & D of Instrument Network ] Recently, the City College of London and Dynamic Boosting Systems have developed a flywheel energy storage technology. The device can be used for 25 years without maintenance, and it will not charge and discharge 1 million times. There is a loss.
According to Keith Pullen, a professor in the Department of Energy Systems at City, University of London, the device can use existing electricity to charge slowly, but when the owner connects it to the vehicle, it can quickly discharge and behave in a manner Similar to batteries. However, the difference with the battery is that the device can be used for 25 years without maintenance, and it will not wear out after being repeatedly charged and discharged 1 million times. In addition, the device is cheaper than a 100kW battery because the 100kW battery needs to be replaced regularly.
Currently, Highways England is investing in the development of this flywheel energy storage system, because the device can save a lot of money compared to upgrading the grid or using batteries as an energy storage method.