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Photovoltaic Thermal Systems for Sustainable Energy Production

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: 28 February 2026 | Viewed by 3269

Special Issue Editors


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Guest Editor
Department of Building Services, Faculty of Civil Engineering and Building Services, "Gheorghe Asachi" Technical University of Iasi, 700050 Jassy, Romania
Interests: solar energy; photovoltaic systems; photovoltaic thermal; photovoltaic cooling; BIPV; heat sinks

E-Mail Website
Guest Editor
Department of Building Services, Faculty of Civil Engineering and Building Services, "Gheorghe Asachi" Technical University of Iasi, 700050 Jassy, Romania
Interests: CFD simulation; BIPV; double skin facades; cooling of power transformers; PV cooling; energy efficiency in building Photo:

E-Mail Website
Guest Editor
Department of Building Services, Faculty of Civil Engineering and Building Services, "Gheorghe Asachi" Technical University of Iasi, 700050 Jassy, Romania
Interests: CFD simulation; solar thermal; thermal analysis; PV cooling; solar wind photo

Special Issue Information

Dear Colleagues,

We are pleased to announce this Special Issue, entitled “Photovoltaic Thermal Systems for Sustainable Energy Production”. Increasing energy demand for industrial and domestic purposes has led to greater interest in renewable energy as a substitute for fossil fuels. Solar radiation is the most sustainable energy source. Also, solar radiation is the primary source of all types of renewable energy sources, and photovoltaic (PV) technology is one of the most common methods of directly converting solar radiation into electricity. Photovoltaic/thermal (PV/T) panels are innovative cogeneration systems that ensure the cooling of photovoltaics (PVs) and the simultaneous production of electricity and heat. Effective cooling of the PV back is still a challenge that improves the electrical and thermal performance of the PV/T system.

This Special Issue aims to gather and inspire innovative ideas and recent developments in the area of photovoltaic thermal systems, which can also serve as a reference for future research directions. This Special Issue aims to provide a platform for thought-provoking discussions, innovative ideas, and the sharing of best practices, heralding a sustainable future for our communities. The topics of this Special Issue focus on original research and review studies, including, but not limited to, the following fields:

  • New design, structure, and optimization of PV/T;
  • Building integrated solar photovoltaic system;
  • Numerical and experimental modeling of PV/T;
  • Passive and active cooling of PV panels;
  • Economic and cost assessment of PV/T;
  • Changing consumption and production patterns by using PV/T;
  • New trends in capitalizing solar energy;
  • Sustainable energy preservation and regeneration

Dr. Sebastian Hudisteanu
Dr. Nelu-Cristian Cherecheș
Dr. Florin Emilian Turcanu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable energy generation
  • photovoltaic thermal
  • BIPV
  • solar energy
  • PV cooling
  • energy production
  • energy efficiency

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Published Papers (1 paper)

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Research

20 pages, 23542 KiB  
Article
Impact of Temperature on the Efficiency of Monocrystalline and Polycrystalline Photovoltaic Panels: A Comprehensive Experimental Analysis for Sustainable Energy Solutions
by Valeriu-Sebastian Hudișteanu, Nelu-Cristian Cherecheș, Florin-Emilian Țurcanu, Iuliana Hudișteanu and Claudiu Romila
Sustainability 2024, 16(23), 10566; https://doi.org/10.3390/su162310566 - 2 Dec 2024
Cited by 11 | Viewed by 2925
Abstract
The negative effect of the operating temperature on the functioning of photovoltaic panels has become a significant issue in the actual energetic context and has been studied intensively during the last decade. The very high operating temperatures of the photovoltaic panels, even for [...] Read more.
The negative effect of the operating temperature on the functioning of photovoltaic panels has become a significant issue in the actual energetic context and has been studied intensively during the last decade. The very high operating temperatures of the photovoltaic panels, even for lower levels of solar radiation, determine a drop in the open-circuit voltage, with consequences over the electrical power generated and PV-conversion efficiency. The temperature effect over the efficiency of monocrystalline and polycrystalline photovoltaic panels by using a double-climatic chamber and a solar simulation device was studied experimentally for two photovoltaic panels, one monocrystalline and another polycrystalline, with the same nominal power of 30 Wp. The double-climatic chamber used is composed of two separate rooms, a cold and a hot one, while the PV panel is placed as a barrier between them. The study is focused on establishing the effect of raising the temperature of PV panels over electrical parameters: voltage, current, and power produced and for efficiency and fill factor to promote sustainable energy consumption. The findings highlight the positive impact of cooling on enhancing system efficiency, with the primary focus on quantifying its overall performance. The operating temperature is controlled by the flow of air on the backside of the PV panel inside the cold room. The level of radiation studied corresponds to a vertical integration of PV panels in building façades. The coefficient of the mean variation of the efficiency with the photovoltaic panels’ temperature was −0.52%/°C; for voltage, −0.48%/°C, and for current, +0.10%/°C. Full article
(This article belongs to the Special Issue Photovoltaic Thermal Systems for Sustainable Energy Production)
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