Silicon Wafer Solar Cell Panels - High Quality A Grade Mono Crystalline 5V 18.4% Solar Cells
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- 100000 pc/month
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Specifications
hot sale solar cell
1.16.8%~18.25% high efficiency
2.100% checked quality
3.ISO9001/ISO14001/TUV/CE/UL
4.stable performance
We can offer you the best quality products and services, don't miss !
POLY6'(156*156)
Polycrystalline Silicon Solar cell
Physical Characteristics
Dimension: 156mm×156mm±0.5mm
Diagonal: 220mm±0.5mm
Thickness(Si): 200±20 μm
Front(-) Back(+)
Blue anti-reflecting coating (silicon nitride); Aluminum back surface field;
1.5mm wide bus bars; 2.0mm wide soldering pads;
Distance between bus bars: 51mm . Distance between bus bars :51mm .
Electrical Characteristics
Efficiency(%) | 18.00 | 17.80 | 17.60 | 17.40 | 17.20 | 16.80 | 16.60 | 16.40 | 16.20 | 16.00 | 15.80 | 15.60 |
Pmpp(W) | 4.33 | 4.29 | 4.24 | 4.19 | 4.14 | 4.09 | 4.04 | 3.99 | 3.94 | 3.90 | 3.86 | 3.82 |
Umpp(V) | 0.530 | 0.527 | 0.524 | 0.521 | 0.518 | 0.516 | 0.514 | 0.511 | 0.509 | 0.506 | 0.503 | 0.501 |
Impp(A) | 8.159 | 8.126 | 8.081 | 8.035 | 7.990 | 7.938 | 7.876 | 7.813 | 7.754 | 7.698 | 7.642 | 7.586 |
Uoc(V) | 0.633 | 0.631 | 0.628 | 0.625 | 0.623 | 0.620 | 0.618 | 0.617 | 0.615 | 0.613 | 0.611 | 0.609 |
Isc(A) | 8.709 | 8.677 | 8.629 | 8.578 | 8.531 | 8.478 | 8.419 | 8.356 | 8.289 | 8.220 | 8.151 | 8.083 |
MONO5'(125*125mm)165
Monocrystalline silicon solar cell
Physical Characteristics
Dimension: 125mm×125mm±0.5mm
Diagonal: 165mm±0.5mm
Thickness(Si): 200±20 μm
Front(-) Back(+)
Blue anti-reflecting coating(silicon nitride); Aluminum back surface field;
1.6mmwide bus bars; 2.5mm wide soldering pads;
Distance between bus bars: 61mm . Distance between bus bars :61mm .
Electrical Characteristics
Efficiency(%) | 19.40 | 19.20 | 19.00 | 18.80 | 18.60 | 18.40 | 18.20 | 18.00 | 17.80 | 17.60 | 17.40 | 17.20 |
Pmpp(W) | 2.97 | 2.94 | 2.91 | 2.88 | 2.85 | 2.82 | 2.79 | 2.76 | 2.73 | 2.70 | 2.67 | 2.62 |
Umpp(V) | 0.537 | 0.535 | 0.533 | 0.531 | 0.527 | 0.524 | 0.521 | 0.518 | 0.516 | 0.515 | 0.513 | 0.509 |
Impp(A) | 5.531 | 5.495 | 5.460 | 5.424 | 5.408 | 5.382 | 5.355 | 5.328 | 5.291 | 5.243 | 5.195 | 4.147 |
Uoc(V) | 0.637 | 0.637 | 0.636 | 0.635 | 0.633 | 0.630 | 0.629 | 0.629 | 0.628 | 0.626 | 0.626 | 0.625 |
Isc(A) | 5.888 | 5.876 | 5.862 | 5.848 | 5.839 | 5.826 | 5.809 | 5.791 | 5.779 | 5.756 | 5.293 | 5.144 |
FAQ:
Q:How can i get some sample?
A:Yes , if you want order ,sample is not a problem.
Q:How about your solar panel efficency?
A: Our product efficency around 17.25%~18.25%.
Q:What’s the certificate you have got?
A: we have overall product certificate of ISO9001/ISO14001/CE/TUV/UL
- Q: Can solar silicon wafers be used in concentrated solar power (CSP) systems?
- Yes, solar silicon wafers can be used in concentrated solar power (CSP) systems. CSP systems use mirrors or lenses to concentrate sunlight onto a receiver, which then converts the solar energy into thermal or electrical energy. Silicon wafers can be used as the receiver material in CSP systems to efficiently capture and convert the concentrated sunlight into electricity.
- Q: How are solar silicon wafers inspected for surface defects?
- Solar silicon wafers are inspected for surface defects through a combination of visual inspection, automated optical inspection systems, and manual scanning techniques. These methods help identify any imperfections such as scratches, cracks, or contaminants on the wafer's surface.
- Q: What is the cutting fluid for solar wafer cutting?
- MB, HCT, NTC and other machines, the requirements of silicon cutting fluid and the proportion of silicon carbide powder is generally controlled at 1:0.92-0.95, mortar density in 1.630-1.635 can be cut quite ideal. Even if there is a greater proportion of proportion, and even mortar density of 1.67 or so will not have any problems, as long as the mortar viscosity control in 200--250 can be. But Ernst machine for mortar density is not higher than 1.57, that is to say 1.55-1.57. can control the viscosity of mortar at around 150, so the domestic silicon cutting fluid will appear in the 1.57 density with mortar, mortar viscosity may be less than 120, and if the mortar viscosity density to 150, more than 1.57, even more than 1.60. The viscosity of mortar is too large, directly will cause the machine alarm, actually influence deeper and may cause the film does not wash clean, burn, or heating of the motor, bearing on the machine itself is very wear.Therefore, the current domestic solar silicon cutting fluid, it is not very suitable for the Ernst & Young machine. The good news is that domestic users have found the defects of the machine, the machine began to replace the mortar pump from the original 0.75KW into 1.5KW, which may solve this problem.
- Q: What is the impact of crystal orientation on solar silicon wafers?
- The impact of crystal orientation on solar silicon wafers is significant. The orientation of the crystal lattice in the wafer determines its electrical properties and overall efficiency as a solar cell. Different crystal orientations can affect the recombination rate, carrier mobility, and light absorption capabilities of the wafer. For instance, certain orientations like (100) or (111) exhibit higher light absorption, while others may have better charge carrier transport properties. Therefore, optimizing the crystal orientation during the manufacturing process is crucial to enhance the performance and yield of solar silicon wafers.
- Q: What is the impact of wafer thickness on solar silicon wafer performance?
- The impact of wafer thickness on solar silicon wafer performance is significant. Thicker wafers generally allow for better light absorption, resulting in higher efficiency and power output of solar cells. However, thicker wafers also require more material, increasing production costs. Therefore, finding the optimal thickness for a balance between performance and cost is crucial in solar panel manufacturing.
- Q: How are solar silicon wafers affected by temperature-induced stress?
- Solar silicon wafers are significantly affected by temperature-induced stress. As the temperature changes, the expansion and contraction of the materials can cause mechanical stress on the wafer. This stress can lead to various issues such as cracking, warping, and delamination, which can negatively impact the performance and efficiency of the solar cells. Therefore, it is crucial to carefully consider the temperature conditions and implement proper design and manufacturing techniques to minimize the adverse effects of temperature-induced stress on solar silicon wafers.
- Q: What is the impact of impurities on the efficiency of solar silicon wafers?
- Impurities can significantly impact the efficiency of solar silicon wafers. The presence of impurities like boron or phosphorous can alter the electrical properties of the silicon, affecting its ability to convert sunlight into electricity. These impurities can introduce defects in the crystal lattice, leading to a decrease in the wafer's overall performance. Additionally, impurities can also interfere with the formation of essential junctions within the wafer, further reducing its efficiency. Therefore, minimizing impurities during the manufacturing process is crucial to ensure optimal performance and maximum energy conversion in solar silicon wafers.
- Q: How do solar silicon wafers handle shading or partial obstructions?
- Solar silicon wafers are sensitive to shading or partial obstructions as they rely on receiving direct sunlight for optimal performance. When shaded, the affected area of the wafer generates less electricity, causing a decrease in overall energy output. This phenomenon is known as the "partial shading effect" and can significantly impact the efficiency of solar panels. To mitigate this, advanced solar panel designs incorporate bypass diodes that allow the electricity to bypass the shaded area, preventing a drop in overall power production. However, it is still recommended to install solar panels in locations with minimal shading or obstructions to ensure maximum energy generation.
- Q: How do solar silicon wafers perform in dusty environments?
- Solar silicon wafers typically perform well in dusty environments due to their smooth and flat surfaces. However, excessive dust accumulation can decrease their efficiency over time, requiring regular cleaning to maintain optimal performance.
- Q: What is the purpose of a temperature coefficient in a solar silicon wafer?
- The purpose of a temperature coefficient in a solar silicon wafer is to quantify how the performance and efficiency of the solar cell are affected by changes in temperature. It allows us to understand and account for the variations in electrical output that occur as the temperature of the solar cell changes, helping in the accurate prediction and optimization of solar cell performance under different temperature conditions.
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Silicon Wafer Solar Cell Panels - High Quality A Grade Mono Crystalline 5V 18.4% Solar Cells
- 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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