Multicrystalline Silicon Solar Wafer - High Quality A Grade Polycrystalline 5V 17.8% Solar Cell
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- Shanghai
- Payment Terms:
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- Min Order Qty:
- 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 role of back contacts on solar silicon wafers?
- The role of back contacts on solar silicon wafers is to provide an electrical connection for the flow of current generated by the solar cells. They are typically made of metal and are placed on the backside of the wafer, opposite to the side exposed to sunlight. Back contacts help in collecting and conducting the electricity produced by the solar cells to the external circuit, enabling the utilization of solar energy for various applications.
- Q: Why is it not easy to use high resistance on the silicon chip integrated circuit
- In some places, the resistance of the epitaxial layer is adopted, and the resistance is N type, which has a lot of inconvenience in the circuit, and the numerical value is also very difficult to do
- Q: How are solar silicon wafers protected from thermal shock during manufacturing?
- Solar silicon wafers are protected from thermal shock during manufacturing through various methods. One common technique is the use of a controlled heating and cooling process called annealing. This involves slowly heating the wafers to a specific temperature and then gradually cooling them down. By carefully controlling the rate of temperature change, thermal stress is minimized, preventing the wafers from cracking or shattering due to sudden temperature fluctuations. Additionally, protective coatings or films may also be applied to the wafers to provide an extra layer of insulation and reduce the risk of thermal shock.
- Q: Are there any advancements in solar silicon wafer recycling technologies?
- Yes, there have been significant advancements in solar silicon wafer recycling technologies. With the increasing demand for renewable energy, researchers and companies have been working on developing more efficient and cost-effective methods to recycle silicon wafers used in solar panels. These advancements include improved separation and purification techniques, innovative recycling processes, and the development of new technologies to extract valuable materials from used solar panels. These advancements not only help reduce the environmental impact of solar panel production but also contribute to the circular economy by recovering valuable resources for reuse.
- Q: How is a microinverter integrated into a solar silicon wafer?
- A microinverter is not directly integrated into a solar silicon wafer. Instead, a microinverter is typically installed on the back of each individual solar panel in a solar array. It converts the DC (direct current) power generated by the solar panel into AC (alternating current) power that can be used to power household appliances or be fed back into the electrical grid.
- Q: How are solar silicon wafers protected from chemical damage?
- Solar silicon wafers are protected from chemical damage by applying a thin layer of protective coating. This coating acts as a barrier and prevents the contact between the wafer and potentially harmful chemicals. Additionally, the wafers are often stored in controlled environments to minimize exposure to chemicals and ensure their long-term durability.
- Q: How do solar silicon wafers perform in high-temperature environments?
- Solar silicon wafers are designed to perform well in high-temperature environments. They are made using materials that can withstand extreme heat without significant degradation. The wafers are engineered to have low thermal coefficients of expansion, which means they can expand and contract without cracking or losing their structural integrity. Additionally, solar cells are often encapsulated in protective materials that can handle high temperatures. Overall, solar silicon wafers have been proven to be reliable and efficient even in hot climates or during periods of intense sunlight.
- 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 typical return on investment for a solar silicon wafer installation?
- The typical return on investment for a solar silicon wafer installation can vary depending on various factors such as location, system size, efficiency, and local energy rates. However, on average, it can take around 5 to 8 years to recoup the initial investment and start generating positive returns. Over the lifetime of the installation, which can be 20 to 30 years, the return on investment can be quite substantial, often exceeding the initial investment by multiple times.
- Q: How are solar silicon wafers affected by light-induced degradation mechanisms?
- Solar silicon wafers are affected by light-induced degradation mechanisms, specifically due to the presence of impurities or defects in the silicon material. These impurities can create energy levels within the bandgap of the silicon, which can trap charge carriers and reduce the efficiency of the solar cell. Additionally, exposure to sunlight can cause the formation of oxygen-related defects, such as interstitial oxygen, which can further impact the performance of the solar cells. Overall, light-induced degradation mechanisms can lead to a decrease in the power output and efficiency of solar silicon wafers over time.
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Multicrystalline Silicon Solar Wafer - High Quality A Grade Polycrystalline 5V 17.8% 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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