Bifacial NICE Modules from High Efficiency n-type BiSoN Solar Cells

Madon, F.; Einhaus, Roland; Degoulange, J.; Comparotto, Corrado; Galbiati, Giuseppe; Wefringhaus, E.

doi:10.1016/j.egypro.2015.07.053

Cited by 7 publications

(5 citation statements)

References 3 publications

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“…To reduce such complexity in calculating rear side irradiance, silicon irradiance sensors are used on the rear of the module to record the irradiance incident on the rear of the PV module. The equivalent irradiance on the two sides of the modules is determined using the procedure mentioned in IEC 60904-1-2, given in Equation (7).…”

Section: Experimental Designmentioning

confidence: 99%

“…Bifacial modules provide certain advantages in contrast with conventional modules: (a) higher energy yield, (b) greater energy density, (c) glass-glass encapsulation provides barrier against humidity, soiling and mechanical failure; and (d) lower operating temperature. [5][6][7][8] The emergence of bifacial technology into the spotlight has been considerably slower; however, the coming years may prove fruitful as current trend shows an increased focus on bifacial technology. Bifacial PV characterization has been a disputed area of research due to the complexity of modelling the combined irradiance of the front and the rear side.…”

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confidence: 99%

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Study on the optimum orientation of bifacial photovoltaic module

Raina

Raghunathan

Sinha

2021

Intl J of Energy Research

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The idiosyncrasy of bifacial photovoltaic devices by means of its ambivalent nature in absorbing irradiation demarcates this technology from conventional monofacial modules. The performance of bifacial PV devices is primarily a function of the orientation of the device, that is, its tilt angle (β), the elevation of the module above the ground (E), the albedo of the location (ρ g ) and the azimuth angle (γ). The current work, focusing on determining the optimum setting for module installation, takes into consideration three factors, namely, β , E(m) and γ , concentrated on maximizing the power generation from the test bifacial PV module at Jaipur, India (26.91 N, 75.78 E) using full factorial design experiment through Taguchi method. Based on Taguchi analysis, the optimal parameter setting for maximizing response obtained is β = 40 , E = 0.8 m and γ = 22.5 . Adequacy of the design was determined through ANOVA, which presented a high R 2 value of 88.7%. The results for optimal parameter setting obtained using Taguchi design are validated through experiment, and the error in computed value and experimentally determined value of response is 2.64%. The PR of the module installed at optimum orientation, upon investigation, was highest among test orientations (84.76%) due to greater rear side irradiance collection. Further results show that increasing albedo increases the output for modules installed at optimum orientation. The results are also verified against empirical relations presented in the literature to highlight the competency of the results.

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Section: Experimental Designmentioning

confidence: 99%

mentioning

confidence: 99%

Study on the optimum orientation of bifacial photovoltaic module

Raina

Raghunathan

Sinha

2021

Intl J of Energy Research

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“…To overcome this issue, institutions such as Abound Solar, 2,3 Apollon Solar, [4][5][6][7] and the Next Generation Photovoltaic Center at Colorado State University 8,9 have developed significantly faster lamination processes that do not use vacuum lamination. Instead, these processes use various forms of atmospheric pressure lamination with two glass plates using an edge seal/adhesive around the perimeter and various attachment adhesives in the center area.…”

Section: Introductionmentioning

confidence: 99%

Modeling of the effectiveness of novel edge seal designs for fast, low‐Cap‐Ex manufacturing

Kempe

Watts

Shimpi

et al. 2023

Energy Science & Engineering

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In the manufacturing of photovoltaic (PV) modules, the lamination process can take up to 20 min to complete. In this work, new lamination processes are being developed, and have been prototyped, which hope to be able to cut this time down to as little as 30 s. This could provide significant savings in the cost of lamination equipment, floor space, and energy. PV modules are expected to have a lifespan exceeding 20 to 30 years. For moisture‐sensitive PV technologies, the edge seal between the two layers of glass can be the weakest point of its reliability. There is an inherent challenge when evaluating edge seal materials due to their low permeation rates. As part of Colorado State University's Photovoltaic Research and Development 2, work at the National Renewable Energy Laboratory has developed models to evaluate edge seal configurations in glass‐glass PV modules. Here, this new manufacturing process is evaluated for long‐term moisture durability. Different edge seal design options within glass–glass PV modules are explored. Most of these designs are targeting a superstrate on glass configuration, e.g CdTe, but some designs could be used on conventional crystalline Si cells. Using COMSOL finite element simulation software, we investigated the edge seal and interlayer design configurations containing silicone perimeter edge adhesive, desiccated polyisobutylene‐based edge seal, air, and polyolefin while integrating climate conditions equivalent to a hot and humid environment such as Miami, Florida. We found optimized configurations that will allow the module to prevent moisture ingress over 50 years minimizing the amount of time and material used while utilizing polymers that are easily dispensed.

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“…8) To date, there have been several preceding studies of encapsulant-less modules. [9][10][11][12][13][14][15][16][17][18][19][20][21][22] These modules have glasses on both sides that are fixed on their edges. In contrast, the encapsulant-less modules in our study have an openable front cover glass put on a base made of plastic.…”

Section: Introductionmentioning

confidence: 99%

Potential-induced degradation of encapsulant-less p-type crystalline Si photovoltaic modules

SHIMPO

Ohdaira

2023

Jpn. J. Appl. Phys.

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We investigated the long-term durability of our newly developed encapsulant-less p-type crystalline silicon (c-Si) photovoltaic (PV) modules, with a base made of polycarbonate (PC), against potential-induced degradation (PID) in dry and damp heat (DH) environments. Encapsulant-less modules were found to have high PID resistance compared to conventional encapsulated c-Si PV modules in both PID conditions. We observed slight PID for the encapsulant-less modules in which the cover glass was in contact with the solar cell. The slight PID can be suppressed by using a base with a deeper groove so that a sufficient gap between the cover glass and the cell is prepared. Yellow precipitates were formed in the encapsulant-less modules in the DH environment. This is probably due to the hydrolysis of the PC, and proper measures to prevent the precipitate formation should be applied for the industrialization of the encapsulant-less modules.

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Bifacial NICE Modules from High Efficiency n-type BiSoN Solar Cells

Cited by 7 publications

References 3 publications

Study on the optimum orientation of bifacial photovoltaic module

Study on the optimum orientation of bifacial photovoltaic module

Modeling of the effectiveness of novel edge seal designs for fast, low‐Cap‐Ex manufacturing

Potential-induced degradation of encapsulant-less p-type crystalline Si photovoltaic modules

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