Small-scale demonstrator of a cold thermal store for liquid air energy storage. Article Swipe

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Alain Damas , Daniele Negro , Denis Leducq , Anthony Dallais , Graciela Alvarez , Tim Brown , Judith Evans , A Foster ·

YOU? · · 2020 · Open Access · · DOI: https://doi.org/10.18462/iir.iccc.2020.295155

Intermittency of renewable energy supply causes an issue for grid balancing, as electricity generation is not easily controllable. A method to balance power supply and demand is to store energy during low-demand periods and use it at high demand.\nCryogenic energy storage (CES) uses liquefied gas as an energy storage and transfer medium. Recycling cold from the expansion to the liquefier is a way to boost the CES efficiency. As the cold release from the evaporation of cryogen happens at a different time than the gas liquefaction, such an exchange of low-temperature energy requires a thermal store. \nA small-scale demonstrator of a packed-bed cold thermal store for use in LAES, integrated with a refrigerated warehouse, was built and run under different thermo-hydraulic conditions. It was able to store 2.92 kWh with round trip efficiency of up to 0.650 when storing for 1 hour and 0.490 when storing for 24 hours.

Related Topics

Thermal Energy Storage

Energy Storage

Renewable Energy

Environmental Science

Thermal Energy

Heat Exchanger

Pumped-Storage Hydroelectricity

Waste Management

Engineering

Electrical Engineering

Mechanical Engineering

Concepts

Thermal energy storage Energy storage Renewable energy Environmental science Process engineering Cold storage Thermal energy Heat exchanger Pumped-storage hydroelectricity Nuclear engineering Waste management Distributed generation Engineering Power (physics) Electrical engineering Mechanical engineering Biology Ecology Horticulture Quantum mechanics Physics

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Type: preprint
Language: en
PDF: https://openresearch.lsbu.ac.uk/download/9c50f76092a532b72b08fa6f773566e727ac22b2e60e87c2cce4acf88a307d1d/474497/Thermal%20store%20paper%20v2-3.pdf
OA Status: gold
Cited By: 1
References: 4
Related Works: 10
OpenAlex ID: https://openalex.org/W3040840258

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DOI: https://doi.org/10.18462/iir.iccc.2020.295155

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Title: Small-scale demonstrator of a cold thermal store for liquid air energy storage.

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Type: preprint

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Language: en

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Publication year: 2020

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Publication date: 2020-10-08

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Authors: Alain Damas, Daniele Negro, Denis Leducq, Anthony Dallais, Graciela Alvarez, Tim Brown, Judith Evans, A Foster

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PDF URL: https://openresearch.lsbu.ac.uk/download/9c50f76092a532b72b08fa6f773566e727ac22b2e60e87c2cce4acf88a307d1d/474497/Thermal%20store%20paper%20v2-3.pdf

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Concepts: Thermal energy storage, Energy storage, Renewable energy, Environmental science, Process engineering, Cold storage, Thermal energy, Heat exchanger, Pumped-storage hydroelectricity, Nuclear engineering, Waste management, Distributed generation, Engineering, Power (physics), Electrical engineering, Mechanical engineering, Biology, Ecology, Horticulture, Quantum mechanics, Physics

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Cited by: 1

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