Combining sorption storage and electric heat pumps to foster integration of solar in buildings

Efstratios Tzinnis and Luca Baldini

Applied Energy, 2021, vol. 301, issue C, No S030626192100845X

Abstract: This article presents a numerical study on the building integration of a liquid sorption storage combined with an air-source electric heat pump. The double staging of the sorption storage (i.e. a chemical heat pump) and an electric heat pump leads to significant electricity demand and CO2 emission reductions. Further, it provides an effective coupling between the heat demand of the building and the electricity supply, allowing for optimal integration of solar energy using photovoltaics. For the buildings analyzed, an autarky level of up to 83% is achieved. Winter electricity demand and emission reductions respectively reached values of up to 41%.

Keywords: Liquid sorption storage; Long-term thermal energy storage; Seasonal energy storage; Energy flexibility; Power to heat; PV integration (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:301:y:2021:i:c:s030626192100845x

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DOI: 10.1016/j.apenergy.2021.117455

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