Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications
Thermal energy storage (TES) systems for concentrated solar power plants are essential for the convenience of renewable energy sources in terms of energy dispatchability, economical aspects and their larger use. TES systems based on the use of concrete have been demonstrated to possess good heat exc...
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| Language: | English |
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MDPI AG
2021-07-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/14/15/4410 |
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| author | Adio Miliozzi Franco Dominici Mauro Candelori Elisabetta Veca Raffaele Liberatore Daniele Nicolini Luigi Torre |
| author_facet | Adio Miliozzi Franco Dominici Mauro Candelori Elisabetta Veca Raffaele Liberatore Daniele Nicolini Luigi Torre |
| author_sort | Adio Miliozzi |
| collection | DOAJ |
| description | Thermal energy storage (TES) systems for concentrated solar power plants are essential for the convenience of renewable energy sources in terms of energy dispatchability, economical aspects and their larger use. TES systems based on the use of concrete have been demonstrated to possess good heat exchange characteristics, wide availability of the heat storage medium and low cost. Therefore, the purpose of this work was the development and characterization of a new concrete-based heat storage material containing a concrete mix capable of operating at medium–high temperatures with improved performance. In this work, a small amount of shape-stabilized phase change material (PCM) was included, thus developing a new material capable of storing energy both as sensible and latent heat. This material was therefore characterized thermally and mechanically and showed increased thermal properties such as stored energy density (up to +7%, with a temperature difference of 100 °C at an average operating temperature of 250 °C) when 5 wt% of PCM was added. By taking advantage of these characteristics, particularly the higher energy density, thermal energy storage systems that are more compact and economically feasible can be built to operate within a temperature range of approximately 150–350 °C with a reduction, compared to a concrete-only based thermal energy storage system, of approximately 7% for the required volume and cost. |
| first_indexed | 2024-03-10T09:16:50Z |
| format | Article |
| id | doaj.art-37bf014d23b94b6899c947923f91bbcd |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-10T09:16:50Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-37bf014d23b94b6899c947923f91bbcd2023-11-22T05:32:32ZengMDPI AGEnergies1996-10732021-07-011415441010.3390/en14154410Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST ApplicationsAdio Miliozzi0Franco Dominici1Mauro Candelori2Elisabetta Veca3Raffaele Liberatore4Daniele Nicolini5Luigi Torre6Italian National Agency for New Technology, Energy and Sustainable Development (ENEA), 00123 Rome, ItalyCivil and Environmental Engineering Department, UdR INSTM, University of Perugia, 05100 Terni, ItalyCalcestruzzi Cipiccia Spa, Strada Maratta 70, 05035 Narni, ItalyItalian National Agency for New Technology, Energy and Sustainable Development (ENEA), 00123 Rome, ItalyItalian National Agency for New Technology, Energy and Sustainable Development (ENEA), 00123 Rome, ItalyItalian National Agency for New Technology, Energy and Sustainable Development (ENEA), 00123 Rome, ItalyCivil and Environmental Engineering Department, UdR INSTM, University of Perugia, 05100 Terni, ItalyThermal energy storage (TES) systems for concentrated solar power plants are essential for the convenience of renewable energy sources in terms of energy dispatchability, economical aspects and their larger use. TES systems based on the use of concrete have been demonstrated to possess good heat exchange characteristics, wide availability of the heat storage medium and low cost. Therefore, the purpose of this work was the development and characterization of a new concrete-based heat storage material containing a concrete mix capable of operating at medium–high temperatures with improved performance. In this work, a small amount of shape-stabilized phase change material (PCM) was included, thus developing a new material capable of storing energy both as sensible and latent heat. This material was therefore characterized thermally and mechanically and showed increased thermal properties such as stored energy density (up to +7%, with a temperature difference of 100 °C at an average operating temperature of 250 °C) when 5 wt% of PCM was added. By taking advantage of these characteristics, particularly the higher energy density, thermal energy storage systems that are more compact and economically feasible can be built to operate within a temperature range of approximately 150–350 °C with a reduction, compared to a concrete-only based thermal energy storage system, of approximately 7% for the required volume and cost.https://www.mdpi.com/1996-1073/14/15/4410thermal energy storageconcretemicroencapsulated phase change materialscomposites |
| spellingShingle | Adio Miliozzi Franco Dominici Mauro Candelori Elisabetta Veca Raffaele Liberatore Daniele Nicolini Luigi Torre Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications Energies thermal energy storage concrete microencapsulated phase change materials composites |
| title | Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications |
| title_full | Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications |
| title_fullStr | Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications |
| title_full_unstemmed | Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications |
| title_short | Development and Characterization of Concrete/PCM/Diatomite Composites for Thermal Energy Storage in CSP/CST Applications |
| title_sort | development and characterization of concrete pcm diatomite composites for thermal energy storage in csp cst applications |
| topic | thermal energy storage concrete microencapsulated phase change materials composites |
| url | https://www.mdpi.com/1996-1073/14/15/4410 |
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