High Current Solar Cell 17.4% Polycrystalline Silicon Solar Cell Price
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4 Bus Bars 156*156 17.6% efficiency poly solar cell
PHYSICAL CHARACTERISTICS
Dimension: 156mm x 156mm ± 0.5mm
Wafer Thickeness: 180um+20um and 200um+20um
Front(-) Four 1.2mm silver busbar
Silicon nitride blue anti-reflection coating
Back(+) aluminum back surface field
1.75mm(silver) wide segment soldering pads
Typical Electrical Characteristics
Efficiency | W(Pmpp) | V(Umpp) | A(Impp) | V(Uoc) | A(Isc) |
17.4-17.5 | 4.234 | 0.517 | 8.231 | 0.622 | 8.759 |
17.5-17.6 | 4.259 | 0.519 | 8.243 | 0.623 | 8.769 |
17.7-17.8 | 4.283 | 0.521 | 8.256 | 0.625 | 8.779 |
17.8-17.9 | 4.307 | 0.523 | 8.268 | 0.626 | 8.788 |
17.9-18.0 | 4.332 | 0.525 | 8.281 | 0.627 | 8.798 |
18.0-18.1 | 4.380 | 0.529 | 8.306 | 0.629 | 8.808 |
18.1-18.2 | 4.405 | 0.531 | 8.318 | 0.632 | 8.818 |
18.2-18.3 | 4.429 | 0.533 | 8.331 | 0.633 | 8.837 |
18.3-18.4 | 4.453 | 0.535 | 8.344 | 0.634 | 8.847 |
18.4-18.5 | 4.478 | 0.537 | 8.356 | 0.636 | 8.856 |
18.5-18.6 | 4.502 | 0.539 | 8.369 | 0.637 | 8.866 |
Efficiency | W(Pmpp) | V(Umpp) | A(Impp) | V(Uoc) | A(Isc) |
20.90-21.00 | 5.06 | 0.557 | 9.007 | 0.653 | 9.688 |
20.80-20.90 | 5.04 | 0.556 | 9.062 | 0.652 | 9.683 |
20.70-20.80 | 5.02 | 0.554 | 9.055 | 0.651 | 9.684 |
20.60-20.70 | 4.99 | 0.552 | 9.033 | 0.651 | 9.672 |
20.50-20.60 | 4.97 | 0.550 | 9.002 | 0.650 | 9.673 |
20.40-20.50 | 4.94 | 0.548 | 9.012 | 0.649 | 9.674 |
20.30-20.40 | 4.92 | 0.546 | 9.009 | 0.649 | 9.655 |
20.20-20.30 | 4.89 | 0.543 | 9.012 | 0.648 | 9.634 |
20.10-20.20 | 4.87 | 0.541 | 8.998 | 0.648 | 9.617 |
20.00-20.10 | 4.85 | 0.540 | 8.977 | 0.647 | 9.600 |
*Data under standard testing conditional (STC):1,000w/m2,AM1.5, 25°C , Pmax:Positive power tolerance.
3 Bus Bars 156*156 17.4% efficiency poly solar cell
Dimension: 156 mm x 156 mm ± 0.5 mm
Wafer Thickeness: 156 mm x 156 mm ± 0.5 mm
Typical Electrical Characteristics:
| Efficiency code | 1660 | 1680 | 1700 | 1720 | 1740 | 1760 | 1780 | 1800 | 1820 | 1840 | 1860 |
| Efficiency (%) | 16.6 | 16.8 | 17.0 | 17.2 | 17.4 | 17.6 | 17.8 | 18.0 | 18.2 | 18.4 | 18.6 |
| Pmax (W) | 4.04 | 4.09 | 4.14 | 4.19 | 4.23 | 4.28 | 4.33 | 4.38 | 4.43 | 4.48 | 4.53 |
| Voc (V) | 0.612 | 0.615 | 0.618 | 0.621 | 0.624 | 0.627 | 0.629 | 0.63 | 0.633 | 0.635 | 0.637 |
| Isc (A) | 8.42 | 8.46 | 8.51 | 8.56 | 8.61 | 8.65 | 8.69 | 8.73 | 8.77 | 8.81 | 8.84 |
| Imp (A) | 7.91 | 7.99 | 8.08 | 8.16 | 8.22 | 8.27 | 8.33 | 8.38 | 8.43 | 8.48 | 8.53 |
* Testing conditions: 1000 W/m2, AM 1.5, 25 °C, Tolerance: Efficiency ± 0.2% abs., Pmpp ±1.5% rel.
* Imin : at 0.5 V
Production:
Package:
FAQ:
1. Q: Do you have your own factory?
A: Yes, we have. Our factory located in Jiangsu
2. Q: How can I visit your factory?
A: Before you visit,please contact us.We will show you the route or arrange a car to pick you up.
3. Q: Do you provide free sample?
A: Commenly we provide paid sample.
4. Q: Could you print our company LOGO on the nameplate and package?
A: Yes, we accept it.And need an Authorization Letter from you.
5. Q: Do you accept custom design on size?
A: Yes, if the size is reasonable.
6. Q: How can I be your agent in my country?
A: Please leave feedback. It's better for us to talk about details by email.
7. Q: Do you have solar project engineer who can guide me to install system?
A: Yes, we have a professional engineer team. They can teach you how to install a solar system.
- Q:What are the different sizes available for solar silicon wafers?
- Solar silicon wafers are available in various sizes, commonly ranging from 125mm to 300mm in diameter.
- Q:What is the effect of surface passivation on solar silicon wafers?
- Surface passivation on solar silicon wafers helps to reduce the recombination of charge carriers, improving the overall efficiency and performance of solar cells. This process creates a protective layer on the surface of the wafer, minimizing surface defects and preventing the loss of electrons and holes. This enhanced passivation leads to a higher open-circuit voltage, increased fill factor, and ultimately, a higher power conversion efficiency in solar cells.
- Q:What is the expected efficiency improvement for tandem perovskite-silicon solar silicon wafers?
- The expected efficiency improvement for tandem perovskite-silicon solar silicon wafers is significant, with the potential to surpass the efficiency of traditional silicon solar cells. Tandem perovskite-silicon solar cells combine the unique properties of perovskite materials with high-performance silicon cells, allowing for improved light absorption and conversion of solar energy into electricity. This technology has already demonstrated promising efficiency improvements in lab settings, and with further advancements and optimization, it holds great potential for enhancing the overall efficiency of solar power generation.
- Q:What factors contribute to the degradation of a solar silicon wafer?
- There are several factors that can contribute to the degradation of a solar silicon wafer. One of the main factors is exposure to environmental conditions such as humidity, temperature fluctuations, and UV radiation. These conditions can cause the silicon material to degrade over time, leading to a decrease in its efficiency and performance. Another factor is the presence of impurities or defects in the silicon wafer, which can affect its electrical properties and overall functionality. Additionally, improper handling during manufacturing, installation, or maintenance processes can also contribute to the degradation of the solar silicon wafer.
- Q:Can solar silicon wafers be used in urban environments for power generation?
- Yes, solar silicon wafers can be used in urban environments for power generation. They are commonly used in photovoltaic systems to convert sunlight into electricity. With proper installation on rooftops, balconies, or other available spaces, solar silicon wafers can effectively harness solar energy and contribute to power generation in urban areas.
- Q:How do solar silicon wafers perform in high-temperature environments?
- Solar silicon wafers generally perform well in high-temperature environments. The crystalline structure of silicon allows it to handle high temperatures without significant loss in performance. However, excessive heat can cause a slight decrease in efficiency, and prolonged exposure to extreme temperatures can result in some degradation over time. To mitigate these effects, solar panels are often designed with cooling mechanisms and protective coatings to ensure reliable performance even in hot climates.
- Q:How thick are solar silicon wafers?
- Solar silicon wafers typically have a thickness of around 200 to 300 micrometers (0.2 to 0.3 millimeters).
- Q:What are the challenges in manufacturing large-sized silicon wafers?
- One of the main challenges in manufacturing large-sized silicon wafers is ensuring uniformity and maintaining high quality throughout the entire wafer. As the size of the wafer increases, it becomes more difficult to control factors such as temperature, impurities, and crystal structure. This can lead to variations in thickness, crystal defects, and other imperfections that can impact the performance of electronic devices built on these wafers. Additionally, handling and processing large wafers require specialized equipment and techniques to mitigate the risk of breakage and damage.
- Q:Can solar silicon wafers be used in smart city infrastructure?
- Yes, solar silicon wafers can be used in smart city infrastructure. Silicon wafers are the key component in solar panels, which can be integrated into various aspects of smart city infrastructure such as smart streetlights, smart grids, and solar-powered sensors. These solar panels generate clean energy from sunlight, providing sustainable power for different smart city applications.
- Q:What factors affect the conversion efficiency of a solar silicon wafer?
- Several factors affect the conversion efficiency of a solar silicon wafer. Firstly, the quality and purity of the silicon material used in the wafer play a crucial role. Higher purity levels result in lower energy losses and better conversion efficiency. Additionally, the thickness and surface texture of the silicon wafer can impact the efficiency. Thinner wafers allow for better light absorption, while textured surfaces enhance light trapping. The design and positioning of the solar cells on the wafer, as well as the type and quality of the anti-reflective coating used, also influence the conversion efficiency. Furthermore, external factors such as temperature, sunlight intensity, and shading can impact conversion efficiency. Overall, optimizing these factors is essential to maximize the energy conversion efficiency of a solar silicon wafer.
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High Current Solar Cell 17.4% Polycrystalline Silicon Solar Cell Price
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000 pc/month
OKorder Service Pledge
OKorder Financial Service
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