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Electroluminescence Test to Investigate the Humidity Effect on Solar Cells Operation [PDF]
Energies, 2018 The electroluminescence test is an experiment typically used to verify the behavior of the photovoltaic cell and to qualitatively check its integrity. It works by operating the photovoltaic cell as a diode polarized directly: the cells that light up in a
Daniela Fontani +6 more
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Condition Assessment of Solar Modules by Flash Test and Electroluminescence Test [PDF]
Coatings, 2021 The Hungarian society and the Hungarian state are constantly increasing their solar capacity. More and more solar power plants are being put into operation. The largest of these has a 100 MW peak capacity. Such power plants do not require constant maintenance. However, in the case of low productivity, a conditional assessment is required.
Bodnár, István +3 more
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International Journal of Electrochemical Science, 2021 In this study, a new selective emitter (SE) technology was used in the mass production line for monocrystalline silicon PERC cells. The internal quantum efficiency and series resistance scanning of the SE cells in the early stage of upgrading was ...
Zhan Wang, Fuyang Chen
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Deep Learning for Automatic Defect Detection in PV Modules Using Electroluminescence Images
IEEE Access, 2023 Solar energy, in the form of photovoltaic (PV) panels, is important for achieving clean energy solutions. The photovoltaic health index must be monitored and improved because of the high demand for green energy. Unfortunately, defective solar cells are a
Fatma Mazen Ali Mazen +2 more
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Performance Evaluation of Photovoltaic Modules by Combined Damp Heat and Temperature Cycle Test
Energies, 2021 Standard damp heat (DH), temperature cycle (TC), and combined DH-TC tests were performed using monocrystalline Si 72-cell modules with a conventional ethylene vinyl acetate (EVA) encapsulant, and their module performance and electroluminescence images ...
Hyeonwook Park +2 more
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Nanomaterials, 2023 We have studied high light out-coupling efficiency top-emitting organic light-emitting diodes (TOLEDs) under the guidance of the finite-difference time-domain (FDTD) simulation. TOLED achieves an extraordinarily high light extraction efficiency at 468 nm,
Saihu Pan, Suhao Hu, Bin Wei
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Rapid testing on the effect of cracks on solar cells output power performance and thermal operation
Scientific Reports, 2022 This work investigates the impact of cracks and fractural defects in solar cells and their cause for output power losses and the development of hotspots.
Mahmoud Dhimish, Yihua Hu
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Journal of Energy in Southern Africa, 2022 Potential induced degradation (PID) is a defect that has a severe effect on the performance of photovoltaic (PV) modules in field conditions. It is caused by leakage currents and the accumulation of sodium ions (Na+) between the anti-reflective coating ...
I.M. Kwembur +3 more
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High-Speed Light Signal Transmitters for Optical Communication Based on Ultraviolet Radiation
Applied Sciences, 2020 A light signal transmitter based on ultraviolet radiation is realized on GaN-on-silicon platform. The light signal transmitter with ultra-small active area is fabricated by a double-etching process.
Xin Li +7 more
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Assessment of the Impact of Stagnation Temperatures in Receiver Prototypes of C-PVT Collectors
Energies, 2019 Concentrating Photovoltaic Thermal (C-PVT) solar collectors produce both thermal and electric power from the same area while concentrating sunlight. This paper studies a C-PVT design where strings of series-connected solar cells are encapsulated with ...
João Gomes
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