Apparatus and process for energy storage and method for controlling a heat carrier in a process for energy storage

CN116529461BActive Publication Date: 2026-07-10ENERGY DOME SPA
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Patent Information

Application Number
CN202180074623.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-11-05
Filing Date
2021-10-27
Publication Date
2026-07-10
Estimated Expiration
2041-10-27

AI Technical Summary

Technical Problem

Existing energy storage systems require external devices such as heat pumps to regulate temperature during cyclic thermodynamic conversion, which increases system complexity and cost while reducing overall performance.

Method used

By actively adjusting the parameters of the working fluid, such as condensation and evaporation temperatures, independent of the ambient temperature, the heat transfer medium can be separated from the ambient temperature, avoiding the use of external devices.

Benefits of technology

It simplifies the system structure, reduces costs and improves reliability, while maintaining high-efficiency energy storage and conversion performance.

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Abstract

A process for energy storage, the process comprising performing a cyclic thermodynamic conversion (CTT), wherein, in a charging phase, condensation of a working fluid (WF) is performed by means of heat absorption by a heat vector (TV) in order to store the working fluid (WF) in a liquid phase or a supercritical phase; wherein, in a discharging phase, evaporation of the working fluid (WF) is performed starting from the liquid phase or the supercritical phase and by transferring heat from the heat vector (TV); wherein it is provided that at least one parameter of the working fluid (WF) related to the condensation and / or the evaporation is actively regulated in order to control at least one temperature of the heat vector (TV) and to separate said at least one temperature from an ambient temperature (T 环境 ) without the aid of systems external to the cyclic thermodynamic conversion (CTT).
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Citation Information

Patent Citations

  • Method And System Of Controlling A Thermodynamic System In A Vehicle

    CN105781786A

  • Energy storage plant and process

    WO2020039416A2