Structural Protection of flywheel energy storage system

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A flywheel energy storage system stores a large amount of energy in a rotating mass. Compared with other energy storage systems such as large-capacity batteries, the flywheel energy storage system features high power density, long lifespan, high efficiency and is carbon-free. Flywheel energy storage systems are typically constructed underground due to safety concerns from a potential rotor burst. In the present project, a high-performance confinement system is developed aiming at above-ground construction. The confinement systems which comprise low-carbon, rubberized concrete, energy-absorbing aluminum foam, and ductile steel cladding will allow for high-impact resistance, off-site prefabrication, and easy on-site installation.