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Thermo-optical perf...
Thermo-optical performance of molecular solar thermal energy storage films
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- Refaa, Zakariaa, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hofmann, Anna, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Castro, Marcial Fernandez (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Orrego Hernandez, Jessica, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wang, Zhihang, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hölzel, Helen, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andreasen, Jens Wenzel (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Moth-Poulsen, Kasper, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sasic Kalagasidis, Angela, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- English.
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In: Applied Energy. - : Elsevier BV. - 1872-9118 .- 0306-2619. ; 310
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https://doi.org/10.1...
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Abstract
Subject headings
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- Due to their potential for solar energy harvesting and storage, molecular solar thermal energy storage (MOST) materials are receiving wide attention from both the research community and the public. MOST materials absorb photons and convert their energy to chemical energy, which is contained within the bonds of the MOST molecules. Depending on the molecular structure, these materials can store up to 1 MJ/kg, at ambient temperature and with storage times ranging from minutes to several years. This work is the first to thoroughly investigate the potential of MOST materials for the development of energy saving windows. To this end, the MOST molecules are integrated into thin, optically transparent films, which store solar energy during the daytime and release heat at a later point in time. A combined experimental and modeling approach is used to verify the system's basic functionality and identify key parameters. Multi-physics modeling and simulation were conducted to evaluate the interaction of MOST films with light, both monochromatic and the entire solar spectrum, as well as the corresponding dynamic energy storage. The model was experimentally verified by studying the optical response of thin MOST films containing norbornadiene derivatives as a functional system. We found that the MOST films act as excellent UV shield and can store up to 0.37 kWh/m2 for optimized MOST molecules. Further, this model allowed us to screen various material parameters and develop guidelines on how to optimize the performance of MOST window films.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
Keyword
- Energy saving
- Coating
- Solar energy storage
- Simulation
- Molecular solar thermal energy storage
- Multiphysical modeling
Publication and Content Type
- art (subject category)
- ref (subject category)
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Refaa, Zakariaa, ...
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Hofmann, Anna, 1 ...
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Castro, Marcial ...
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Orrego Hernandez ...
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Wang, Zhihang, 1 ...
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Hölzel, Helen, 1 ...
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Andreasen, Jens ...
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Moth-Poulsen, Ka ...
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Sasic Kalagasidi ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Other Materials ...
- Articles in the publication
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Applied Energy
- By the university
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Chalmers University of Technology