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1. (WO2018218617) STAGED COLD ENERGY STORAGE TYPE SUPERCRITICAL COMPRESSED AIR ENERGY STORAGE SYSTEM AND METHOD

Pub. No.:    WO/2018/218617    International Application No.:    PCT/CN2017/086877
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Fri Jun 02 01:59:59 CEST 2017
IPC: F02C 6/00
Applicants: INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES
中国科学院工程热物理研究所
Inventors: LIN, Xipeng
林曦鹏
WANG, Liang
王亮
CHEN, Haisheng
陈海生
XIE, Ningning
谢宁宁
YANG, Zheng
杨征
Title: STAGED COLD ENERGY STORAGE TYPE SUPERCRITICAL COMPRESSED AIR ENERGY STORAGE SYSTEM AND METHOD
Abstract:
A supercritical compressed air energy storage system. The supercritical compressed air energy storage system comprises a supercritical liquefaction subsystem, an evaporation and expansion subsystem, a staged cold energy storage subsystem, a thermal storage and thermal exchange subsystem, and a cold energy compensation subsystem, the staged cold energy storage subsystem being used for implementing cold energy staged storage and release, improving the efficiency of recovering low temperature cold energy during energy release and energy storage so as to improve the cycle efficiency of the system.