Kinney & Lange, P.A.
Energy storage system using supercritical air
Disclosed is an energy storage system using supercritical air, comprising a compressor unit, a heat exchanger and storage device, a cold exchanger and storage device, a cryogenic tank, a throttling valve, at least one cryogenic pump, an expander unit, a generator, and a driver unit. There are several advantages of this invention, including high energy density, high efficiency, no storage cycle and geographical conditions restriction, easy implementation with all kinds of power stations, environment friendliness and capability of recycling low to medium temperature waste heat and so on.
Institute of Engineering Thermophysics, Chinese Academy of Sciences
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Jia Chunqing Yujie Haisheng
Liu Tan Xu Chen