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Innovative elements for a liquid air energy storage system.
Number: pap. n. 1405
Author(s) : TROMMLER G., KLUPSCH M., EGGER D., et al.
Summary
The ILK Dresden is generally concerned with broadening and increasing the technical and economic efficiency of renewable energy plants as an essential part of the phasing out of nuclear energy and fossil fuels in Germany and Europe. Within the framework of two publicly funded projects, an energy recovery system based on a Cryogenic Rankine Unit and an energy storage system based on Liquid Air Energy Storage (LAES) were developed. Energy recovery is a decisive factor in increasing the efficiency of an energy storage system based on liquid air. This energy storage is predicated on the principle of liquefied air, in which the existing processes for the liquefaction and regasification have to be adapted to the requirements of the electricity storage to achieve significant efficiency gains and to utilize synergies in the process chain. The main components of this process are various cold storages, heat storages and flexible electrical energy storage. A cryogenic Rankine plant can also be integrated when the plant specifics are eval-uated. The performance and size of the sub-components must be coordinated with the dynamic control processes representing the most important part for increasing efficiency.
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Details
- Original title: Innovative elements for a liquid air energy storage system.
- Record ID : 30025948
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.1405
Links
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Indexing
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Themes:
Thermal energy storage;
Applications of liquified gases - Keywords: Rankine; Liquid; Liquefaction; Recovery; Air; Energy storage; Simulation; Performance; Expérimentation; Cryogenics
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