Numerical and Experimental Analysis of Photovoltaic Cells Under a Water Layer and Natural and Artificial Light

Tina, Giuseppe Marco; Rosa-Clot, M.; Lojpur, Vesna; Validžić, Ivana Lj.

doi:10.1109/jphotov.2019.2896669

Cited by 20 publications

(28 citation statements)

References 32 publications

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“…When we speak of lower light intensities, then the spectra and their changes are very important, as well as the interaction of light with the environment, which is also sometimes very complex to understand. It should be emphasized here that we found that PV response of the following devices, Sb 2 S 3 ‐based solar cells made from synthesized doped and undoped material, dye‐sensitized solar cells, and silicon solar cells under halogen lamp at a lower light intensity and indoor condition, is superior to that at greater intensities. We found that modifying the light spectra, the WFL system increases the efficiency of the solar cell for the identical light intensity.…”

Section: Introductionmentioning

confidence: 71%

“…In previous publications, we have already described the WFL system that we use to reduce the intensity of light, change the spectrum, and cool solar cells/modules. Shortly, the optic/lens system is made of two curved glass lenses (two convex surfaces in spherical form with diameter 26 cm) through which circulates continuously cold water, while the thickness of water layer at the widest central part is 4 cm (see Figure ).…”

Section: Resultsmentioning

confidence: 99%

“…20 Additionally, the use of a WFL system on dye-sensitized solar cells and high-efficiency silicon solar cell and module influence in the way of far better performances and efficiency values. 21,23 The designed cooling system has advantages because it can combine multiple effects at the same time, the cooling and change of spectra that certainly affect the efficiency of the solar cell, and depending on the position of the solar cell, we can monitor how efficiency is changing with a decrease in intensity of light or a reversed concentration effect. Figure 4 presents the solar cell positions with respect to the WFL system on which measurements are carried out on, the indoor and artificial (A) and natural and outdoor (B) light.…”

Section: Resultsmentioning

confidence: 99%

“…The synthesized materials have an energy gap in the range from 1.4 to 2 eV . Additionally, the use of a WFL system on dye‐sensitized solar cells and high‐efficiency silicon solar cell and module influence in the way of far better performances and efficiency values . The designed cooling system has advantages because it can combine multiple effects at the same time, the cooling and change of spectra that certainly affect the efficiency of the solar cell, and depending on the position of the solar cell, we can monitor how efficiency is changing with a decrease in intensity of light or a reversed concentration effect.…”

Section: Resultsmentioning

confidence: 99%

“…Because of that fact, we show in this paper for the first time the results of high‐efficiency commercial monocrystalline Si solar cell measured using the WFL system under artificial indoor (tungsten lamp) and natural outdoor condition. In described WFL system, we tried to combine everything that through years of research proved to be the best way to improve the photo‐voltage response of solar cell/panels, water as the best medium for cooling, the water flow because proved to increased electrical yield, low/lower light in combination with spectra that give a better photovoltaic response as well as a concentration effect that always increases the efficiency of the photovoltaic devices, generally …”

Section: Introductionmentioning

confidence: 99%

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The improved photovoltaic response of commercial monocrystalline Si solar cell under natural and artificial light by using water flow lens (WFL) system

2019

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Summary The performances of a photovoltaic system based on high‐efficiency commercial monocrystalline Si solar cell associated with the water flow lens (WFL) system are investigated. This system enables the cooling of the surface of the cell, indirectly cooling the surrounding, and, on the other hand, it allows us to investigate, depending on the position of the cell and the WFL system, the influence of larger and smaller intensities of the light with the inevitable change in the spectrum. All of these effects are very important and can greatly contribute to the better photovoltaic performance of the used cells. Indoor characterization at higher and lower light intensities is performed using both different spectra and intensity of the light. The obtained results show that at low/lower light intensity, spectra are more dominant than the intensity of light itself and that the used WFL system always improves the photovoltaic response leading to a higher efficiency of the tested solar cell. It was found that the ratios of the short circuit current (Isc) and the input light energy (Pinput) are 4.42 and 8.96 without and with the use of the WFL system in the measurements, respectively. The same Si solar cell is also tested in outdoor condition, but this time using the WFL system to concentrate sunlight to produce a larger amount of power and water flow for cooling the surface of the solar cell. Again, a higher efficiency (an increase from 25.7% to 33.5%) by using the WFL system was obtained.

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Section: Introductionmentioning

confidence: 71%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

The improved photovoltaic response of commercial monocrystalline Si solar cell under natural and artificial light by using water flow lens (WFL) system

2019

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Investigation of Silicon Solar Cells under Submerged Conditions with the Influence of Various Parameters: A Comparative Study

Enaganti

Goel

2021

Energy Tech

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Solar photovoltaic (PV) is one of the emerging technologies in underwater power systems such as water monitoring and sensing devices in marine environments. Harnessing the underwater solar energy is a massive advantage because of the abundant amount of solar energy and space covered by water on the surface of the Earth. Currently, the utilization of underwater solar PV systems has several issues such as cooling, cleaning, and land constraints facing in terrestrial conditions. Still, the PV systems has the ability to operate in underwater environments and to interface with other marine power systems in a hybrid manner. Therefore, there is a need to further study and understand the utility of solar PV in underwater conditions. Herein, a comparative analysis on underwater solar radiation and the performance of various silicon solar cells using different water conditions, in a controlled indoor atmosphere, are carried out. The propagation of solar radiation underwater is investigated as a function of water depths and changing water settings such as in the presence of dissolved salts and solids. This work demonstrates that the solar energy in water can also be extracted with solar PV cells to produce electricity for several industrial, defense, naval, and marine applications.

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Additional Lighting Effects for Photovoltaic Improvements in the Performance of Solar Cells

Lupšić,

Validžić

2023

Energy Tech

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The basic function of the water flow lens (WFL) system is to cool, decrease, and increase light intensity with inevitable spectral oscillations, but in reality, that manipulation helps to better understand the possible additional optical and light effects and, thus, the nature of light itself, in the hopes of making significant progress toward the use of solar energy. According to the published research on a variety of solar devices, including commercial monocrystalline and amorphous Si‐solar cells, differently designed Sb2S3‐based solar cells made of synthesized undoped and doped semiconductors, and dye‐sensitized solar cells (Dyesol/Greatcell Solar DSL 30 NRD‐T) with varying sensitizers and cosensitizers, photovoltaic performance using the WFL system can show significant improvements in all tested conditions. Based on all previous results on different solar devices, many potential explanations for demonstrating common extra‐light effects for an increase in the performance of solar cells are experimentally compared and discussed. The theoretical history of the nature of light is reviewed, and our findings are commented on along with new disclosure.

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Numerical and Experimental Analysis of Photovoltaic Cells Under a Water Layer and Natural and Artificial Light

Cited by 20 publications

References 32 publications

The improved photovoltaic response of commercial monocrystalline Si solar cell under natural and artificial light by using water flow lens (WFL) system

The improved photovoltaic response of commercial monocrystalline Si solar cell under natural and artificial light by using water flow lens (WFL) system

Investigation of Silicon Solar Cells under Submerged Conditions with the Influence of Various Parameters: A Comparative Study

Additional Lighting Effects for Photovoltaic Improvements in the Performance of Solar Cells

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