Advances and limitations of increasing solar irradiance for concentrating photovoltaics thermal system

Alzahrani, Mussad; Shanks, Katie; Mallick, Tapas K.

doi:10.1016/j.rser.2020.110517

Cited by 39 publications

(26 citation statements)

References 98 publications

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“…Although the temperature rise of the photovoltaic cell is almost 55 K, these values are encouraging since they are slightly lower than those reported in other works [30], for solar concentration levels below 10 (cell temperature between 293.15 K and 358.15 K with electrical efficiencies between 10% and 18%).…”

Section: Displacement (M)supporting

confidence: 53%

“…Special attention must be placed on achieving uniform distributions of illumination and temperature over the PV receiver, through suitable optical and energy modeling methods, as ray-tracing and energy balance models, respectively, considering that the electrical and thermal behavior is affected by CPV/T optical performance [29]. In this sense, Alzahrani et al [30] analyzed the effects of increased solar radiation flux in CPV/T collectors with two main strategies: integrating secondary optics or maximizing the primary optics. Some challenges detected in both solutions are the systems' complexity and illumination, and temperature non-uniformity.…”

Section: Introductionmentioning

confidence: 99%

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A Linear Hybrid Concentrated Photovoltaic Solar Collector: A Methodology Proposal of Optical and Thermal Analysis

et al. 2021

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The photovoltaic cell surface in linear hybrid concentrated solar collectors receives non-uniform radiative flux, causing additional thermal stress due to hot spots and reducing its electrical performance and durability. The current study proposes a parametric methodology to determine the optimal receiver displacement required in a linear Cassegrain-type hybrid solar collector. The aim was to achieve a minimal non-uniformity distribution and a high radiative flux over the photovoltaic cells, considering optical errors close to real environment conditions and analyzing the heat transfer to determine the electrical and thermal efficiencies. The developed methodology was applied to analyze a case study with a receiver width of 0.125 m and rim angle of 80° and using a commercial silicon photovoltaic cell that supports up to 7000 W/m2. After applying the methodology, a hybrid solar collector with a concentration ratio of 13.0 and receiver displacement of 0.14 m is recommended. As a result, 5728 W/m2 of average radiative flux with non-uniformity lower than 4% was achieved. Thus, thanks to the proposed configuration, a low non-uniformity and high radiative flux were achieved, benefiting the photovoltaic cells’ life while improving their operation.

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Section: Displacement (M)supporting

confidence: 53%

Section: Introductionmentioning

confidence: 99%

A Linear Hybrid Concentrated Photovoltaic Solar Collector: A Methodology Proposal of Optical and Thermal Analysis

et al. 2021

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“…Multi-junction solar cells are also chosen for high concentration ratios due to their good performance at high operating temperatures. The results showed that high sun radiation and the volume flow rate of the cooling fluid have a significant influence on PVT performance, according to the research [ 43 , 117 , 118 , 119 ].…”

Section: The Reviewmentioning

confidence: 99%

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

et al. 2022

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The global need for energy has grown in tandem with mankind’s development and spread. This has resulted in an increase in the use of fossil energy sources, a decline in these sources and an increase in pollution, necessitating the search for renewable energy sources. One of the important ways to reduce pollution resulting from the increasing consumption of fossil energy is to enhance the sources of solar energy, of which photovoltaic cells (PV) are one of its most important tools. Therefore, it was necessary to pay attention to improving its efficiency for it to become a promising source of clean energy. PVs turn solar energy into electricity; however, the amount of electricity generated decreases as the temperature of the cells rises in response to the sun’s heat. Cooling of the optical surfaces is one of the most important elements to consider while running solar PV systems to obtain maximum efficiency. The electrical efficiency of PVs is enhanced when suitable cooling technology is used, and the rate of cell breakdown is reduced over time, extending the life of the PV panels. There are many materials used to remove unwanted heat in PV cells, and in recent years, the focus has been on integrating nanomaterials in specific proportions with traditional cooling materials such as water to improve their thermal properties. As a bio-material that is environmentally friendly, renewable, sustainable, inexpensive and has high mechanical properties, cellulose nanocrystals (CNCs) are one of the most promising materials for improving the properties of cooling materials for cooling PV cells and improving their performance.

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“…The need for solar energy and its application is growing; however, the current solar PV technology is limited by its cost-effectiveness and power density due to space limitations (M. Alzahrani et al, 2021b). There is also a growing concern about the environmental impact of the materials utilised for solar PV (Tawalbeh et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Optical component analysis for ultrahigh concentrated photovoltaic system (UHCPV)

et al. 2021

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Advances and limitations of increasing solar irradiance for concentrating photovoltaics thermal system

Cited by 39 publications

References 98 publications

A Linear Hybrid Concentrated Photovoltaic Solar Collector: A Methodology Proposal of Optical and Thermal Analysis

A Linear Hybrid Concentrated Photovoltaic Solar Collector: A Methodology Proposal of Optical and Thermal Analysis

Review of Recent Efforts in Cooling Photovoltaic Panels (PVs) for Enhanced Performance and Better Impact on the Environment

Optical component analysis for ultrahigh concentrated photovoltaic system (UHCPV)

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