Heterojunction Silicon Wafer Solar Cells - High Quality A Grade Polycrystalline 5V 15.6% Solar Cell
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- Shanghai
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- 1000 pc
- Supply Capability:
- 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: What is the expected efficiency improvement for tandem solar silicon wafers?
- The expected efficiency improvement for tandem solar silicon wafers is typically around 30% or more compared to single-junction solar cells.
- Q: How are solar silicon wafers protected from degradation over time?
- Solar silicon wafers are protected from degradation over time through the use of various encapsulation materials and techniques. One common method is to laminate the wafers between layers of durable materials, such as glass or polymer sheets, which provide mechanical strength and protect against moisture, dust, and UV radiation. Additionally, anti-reflective coatings are applied to minimize surface reflections and enhance light absorption. These protective measures help to ensure the long-term durability and efficiency of solar silicon wafers.
- Q: Mainly want to understand its physical principles and processing technology, thank you
- Silicon is a semiconductor, of course, germanium is also, but silicon is easy to find, you go to the ground to see is the siliconPhysical principles on the complex, the first point of memory knowledge to say it, we generally say how much G, strictly speaking, GB, 1GB=1024MB
- Q: How do solar silicon wafers perform in high humidity conditions?
- Solar silicon wafers generally perform well in high humidity conditions. The wafers themselves are typically made of highly durable materials, such as crystalline silicon, which are not easily affected by moisture. However, excessive humidity can potentially cause a slight decrease in the efficiency of solar panels due to water vapor absorbing some sunlight before it reaches the silicon wafer. Nonetheless, modern solar panel designs and protective coatings help minimize any negative impact, ensuring efficient operation even in high humidity environments.
- Q: Are solar silicon wafers affected by electromagnetic interference?
- Yes, solar silicon wafers can be affected by electromagnetic interference. Electromagnetic interference (EMI) can disrupt the normal functioning of solar silicon wafers by interfering with the flow of electricity or causing fluctuations in the voltage output. To mitigate this, proper grounding, shielding, and EMI protection measures are implemented in solar panel installations to minimize the impact of electromagnetic interference on the performance of silicon wafers.
- 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: What is the role of front contacts on solar silicon wafers?
- The role of front contacts on solar silicon wafers is to facilitate the flow of current generated by the sunlight-absorbing material within the wafer. These contacts, typically made of metal, are strategically placed on the front surface of the wafer to create a conductive path for the generated electricity to be collected and transferred to the external circuitry. They help maximize the efficiency of the solar cell by minimizing resistive losses and allowing the harvested energy to be utilized for various applications.
- Q: What is the role of solar silicon wafers in the overall solar energy system?
- Solar silicon wafers are a crucial component of the overall solar energy system as they serve as the building blocks for solar cells. These wafers are made from highly purified silicon and are responsible for converting sunlight into electricity through the photovoltaic process. By absorbing photons from the sun, the silicon wafers generate an electric current, which is then harnessed and utilized in various applications. Ultimately, the role of solar silicon wafers is to enable the efficient and sustainable production of solar energy, making them an essential element in the broader solar energy system.
- Q: What is the purpose of a junction box in a solar silicon wafer?
- The purpose of a junction box in a solar silicon wafer is to provide a secure and protective enclosure for the electrical connections between the solar cells and the external electrical system. It helps to ensure the safety and reliability of the solar panel by protecting the wiring and connections from environmental factors such as moisture, dust, and heat. Additionally, the junction box allows for easy access to the electrical connections for maintenance and troubleshooting purposes.
- Q: How do solar silicon wafers handle shading or partial obstructions?
- Solar silicon wafers are highly sensitive to shading or partial obstructions. Even a small amount of shading on a solar panel can significantly decrease its power output. When a portion of the panel is shaded, it creates an imbalance in the flow of current, resulting in a drop in overall energy production. This is because solar cells are connected in series, and shading one cell affects the performance of the entire module. To mitigate this, solar panels are designed with bypass diodes that help bypass the shaded area, allowing the unshaded cells to continue producing power. However, it is still important to install solar panels in a location where shading is minimized to ensure optimal energy generation.
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Heterojunction Silicon Wafer Solar Cells - High Quality A Grade Polycrystalline 5V 15.6% Solar Cell
- 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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