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This work takes part of the LowUp project (LOW valued energy sources UPgrading for buildings and industry uses) which has received funding from the European Union's Horizon 2020 Research and Innovation Program under Grant Agreement no 723930.

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Coca-Ortegon, AdrianaAuthor

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June 19, 2024
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Performance evaluation of PVT panel with phase change material: Experimental study in lab testing and field measurement

Publicated to:Solar Energy. 241 738-751 - 2022-07-13 241(), DOI: 10.1016/j.solener.2022.05.035

Authors: Simon-Allue, Raquel; Guedea, Isabel; Coca-Ortegon, Adriana; Villen, Raill; Brun, Gonzalo

Affiliations

EndeF Engn SL, R&D Dept, C-P-A n11 Pol Ciudad Transporte, Zaragoza, Spain - Author
EndeF Engn SL, Zaragoza, Spain - Author

Abstract

Photovoltaic-thermal (PVT) solar panels are able to produce simultaneously electricity and thermal energy on the same panel. Its combination with phase change material (PCM) has been studied to enhance both thermal and electrical performance with promising results, but their long-term performance has been poorly analysed in literature. In this work we address the performance of a PVT field, composed by 20 plain PVT panels and 20 PVT panels with PCM inside, working in a real environment during 9 months. PVT operation is analysed with regard to the energy generation, operation mode of the installation and environmental conditions, with particular in-terest on the PCM influence. Field performance is also compared to panel yield obtained during lab testing. As an average, solar panels showed a thermal performance ranged between 18 and 25% for the plain PVT line and 22-30% for the PVT w/ PCM line, while electrical performance was kept between 14 and 16% for both lines. Results indicated that the inclusion of PCM lead to an improvement of 26% (thermal) and 3% (electrical) per-formance, with a more pronounced effect in summer than in winter. Despite the good results shown by PCM in terms of energy generation, some obstacles to their implementation in real installations have been encountered.

Keywords

CollectorsDesigEfficiencyEfficiency evaluationEfficiencyevaluationEnergyEnhancementExergyExperimental testingExperimentaltestingLong-term performanceLong-termperformancPcm systemPhase change materialPhasechangematerialPhotovoltaic-thermal solar collectorPhotovoltaic-thermalsolarcollector

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Solar Energy due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2022, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Materials Science (Miscellaneous).

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 5.13, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-16, the following number of citations:

  • WoS: 13
  • Scopus: 14

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 42 (PlumX).