accumulator
energy storage device: a device which accepts energy, stores energy, and releases energy as needed
flywheel
mechanical device designed to store angular kinetic energy in a rotating mass
fuel tank
component of a vehicle or other device that safely stores its fuel
superconducting magnetic energy storage
energy storage technique
compressed air energy storage
type of energy storage system using compressed air
battery
assembly of one or more electrochemical cells, used to provide devices with stored electrical energy
flywheel energy storage
mechanical system having rotational kinetic energy