Improvement of Phase Change Materials (PCM) Used for Solar Process Heat Applications
The high intermittency of solar energy is still a challenge yet to be overcome. The use of thermal storage has proven to be a good option, with phase change materials (PCM) as very promising candidates. Nevertheless, PCM compounds have typically poor thermal conductivity, reducing their attractivene...
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| Veröffentlicht in: | Molecules (Basel, Switzerland) Switzerland), 2021-02, Vol.26 (5), p.1260, Article 1260 |
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| creator | Prieto, Cristina Lopez-Roman, Anton Martinez, Noelia Morera, Josep M. Cabeza, Luisa F. |
| description | The high intermittency of solar energy is still a challenge yet to be overcome. The use of thermal storage has proven to be a good option, with phase change materials (PCM) as very promising candidates. Nevertheless, PCM compounds have typically poor thermal conductivity, reducing their attractiveness for commercial uses. This paper demonstrates the viability of increasing the PCM effective thermal conductivity to industrial required values (around 4 W/m center dot K) by using metal wool infiltrated into the resin under vacuum conditions. To achieve this result, the authors used an inert resin, decoupling the specific PCM material selection from the enhancement effect of the metal wools. To ensure proper behavior of the metal wool under standard industrial environments at a broad range of temperatures, a set of analyses were performed at high temperatures and an inert atmosphere, presenting a thorough analysis of the obtained results. |
| doi_str_mv | 10.3390/molecules26051260 |
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To ensure proper behavior of the metal wool under standard industrial environments at a broad range of temperatures, a set of analyses were performed at high temperatures and an inert atmosphere, presenting a thorough analysis of the obtained results.</description><identifier>ISSN: 1420-3049</identifier><identifier>EISSN: 1420-3049</identifier><identifier>DOI: 10.3390/molecules26051260</identifier><identifier>PMID: 33652674</identifier><language>eng</language><publisher>BASEL: Mdpi</publisher><subject>Biochemistry & Molecular Biology ; Chemistry ; Chemistry, Multidisciplinary ; Composite materials ; Composite Resins - chemistry ; Decoupling ; effective thermal conductivity enhancement ; Electric Power Supplies ; Graphite ; Heat conductivity ; Heat transfer ; High temperature ; Hot Temperature ; Humans ; inert atmosphere ; Inert atmospheres ; Life Sciences & Biomedicine ; Materials selection ; metal wool ; Metals - chemistry ; phase change material ; Phase change materials ; Phase Transition ; Physical Sciences ; Process heat ; Resins ; Science & Technology ; Solar Energy ; solar process heat ; Thermal Conductivity ; Thermal cycling ; Thermal energy ; thermal energy storage ; Thermal storage ; Vacuum ; Wool</subject><ispartof>Molecules (Basel, Switzerland), 2021-02, Vol.26 (5), p.1260, Article 1260</ispartof><rights>2021. 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The use of thermal storage has proven to be a good option, with phase change materials (PCM) as very promising candidates. Nevertheless, PCM compounds have typically poor thermal conductivity, reducing their attractiveness for commercial uses. This paper demonstrates the viability of increasing the PCM effective thermal conductivity to industrial required values (around 4 W/m center dot K) by using metal wool infiltrated into the resin under vacuum conditions. To achieve this result, the authors used an inert resin, decoupling the specific PCM material selection from the enhancement effect of the metal wools. 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| subjects | Biochemistry & Molecular Biology Chemistry Chemistry, Multidisciplinary Composite materials Composite Resins - chemistry Decoupling effective thermal conductivity enhancement Electric Power Supplies Graphite Heat conductivity Heat transfer High temperature Hot Temperature Humans inert atmosphere Inert atmospheres Life Sciences & Biomedicine Materials selection metal wool Metals - chemistry phase change material Phase change materials Phase Transition Physical Sciences Process heat Resins Science & Technology Solar Energy solar process heat Thermal Conductivity Thermal cycling Thermal energy thermal energy storage Thermal storage Vacuum Wool |
| title | Improvement of Phase Change Materials (PCM) Used for Solar Process Heat Applications |
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