Invention Application
WO2007096656A1 A METHOD OF STORING ENERGY AND A CRYOGENIC ENERGY STORAGE SYSTEM 审中-公开
储存能源和低温能源储存系统的方法

A METHOD OF STORING ENERGY AND A CRYOGENIC ENERGY STORAGE SYSTEM
Abstract:
The present invention concerns systems for storing energy and using the stored energy to generate electrical energy or drive a propeller (505). In particular, the present invention provides a method of storing energy comprising: providing a gaseous input, producing a cryogen from the gaseous input; storing the cryogen; expanding the cryogen; using the expanded cryogen to drive a turbine (320) and recovering cold energy from the expansion of the cryogen. The present invention also provides a cryogenic energy storage system comprising: a source of cryogen; a cryogen storage facility (370); means for expanding the cryogen; a turbine (320) capable of being driven by the expanding cryogen; and means (340, 350) for recovering cold energy released during expansion of the cryogen.
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