Insights into utilization of strontium carbonate for thermochemical energy storage

Paola Ammendola, Federica Raganati, Francesco Miccio, Annalisa Natali Murri and Elena Landi

Renewable Energy, 2020, vol. 157, issue C, 769-781

Abstract: The reversible dissociation/carbonation of metal carbonates, performed in fluidized bed reactors, is one of the most promising technological solution for thermochemical energy storage (TCES) in concentrating solar power plants (CSP). In this framework, the SrCO3/SrO system is receiving increasing interest due to its high energy density (4 GJ/m3) and working temperatures (up to 1200 °C). As the more investigated CaCO3/CaO couple, also SrO undergoes a dramatic drop of reactivity over multiple carbonation/calcination cycles due to sintering. Even though the potentiality of this system has already been proved by thermo-gravimetric analyses, its actual reaction performances in a fluidized bed are strongly dependent on the gas-solid contact efficiency and heat/mass transfer between the gaseous and solid phase.

Keywords: Thermochemical energy storage (TCES); Concentrating solar power (CSP); Heat carrier; Strontium oxide; Fluidized bed; Sintering (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:157:y:2020:i:c:p:769-781

DOI: 10.1016/j.renene.2020.05.048

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