Development of Thermodynamic Storage Technology
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J2: Thermodynamics".
Deadline for manuscript submissions: 30 December 2024 | Viewed by 1137
Special Issue Editor
Interests: thermodynamic storage system; compressed air storage; compressed CO2 energy storage; heat pump energy storage
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Special Issue Information
Dear Colleagues,
With the rapid development of renewable energy, energy storage has become an indispensable link in the energy field. Researchers worldwide have paid a great deal of attention to various storage technologies, such as battery energy storage, pumped storage, flywheel energy storage, and thermodynamic energy storage. Among these technologies, thermodynamic storage is classed as large-scale and long-term energy storage, and is not limited by geographical conditions.
Thermodynamic energy storage employs thermodynamic processes to achieve energy storage and conversion. The classical processes include compression, expansion, and heat exchange. The typical technical routes are compressed energy storage and a Carnot battery. The fluids commonly used for compressed energy storage are air and CO2. As for Carnot batteries, they consist of a heat pump and a power cycle. The heat pump can be of the reversible Brayton cycle type and the vapor compression cycle type, while the power can be generated by a Brayton cycle or Rankine cycle. Based on the cycle type of a Carnot battery, the fluids can be organic compounds: CO2, N2, etc.
Although various technical routes have been proposed for thermodynamic energy storage, there are still many issues to be solved before engineering, including but not limited to: efficiency improvement, the optimization of thermodynamic cycles, the optimization of process parameters, economic analysis, etc. Furthermore, besides the steady-state analysis of thermodynamic energy storage, dynamic simulation also needs further research to understand the operational characteristics of the system so as to propose a control strategy to guarantee the highly efficient operation of the system.
This research topic aims to address the issues existing in the development of thermodynamic energy storage. Attention will be paid to compressed air energy storage, compressed CO2 energy storage, and Carnot batteries, including system construction, numerical modeling, and experimental research. Investigations of system components for enhancing system performance are also welcome.
We welcome original research articles, review articles, and other papers. Suggested topics are as follows, but are not limited to:
- Compressed air energy storage;
- Compressed CO2 energy storage;
- Brayton Carnot battery;
- Heat pump and Rankine cycle;
- The thermodynamic analysis and optimization of energy storage;
- The dynamic modeling of energy storage;
- Experimental tests of thermodynamic energy storage;
- Key component investigations of thermodynamic energy storage.
Dr. Wen Su
Guest Editor
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