Solar Grade Silicon Wafer - High Quality A Grade Polycrystalline 5V 17.4% 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: How do solar silicon wafers contribute to sustainable development goals?
- Solar silicon wafers contribute to sustainable development goals by enabling the production of clean and renewable energy. They are the key component in solar panels, which harness sunlight and convert it into electricity without emitting greenhouse gases or other harmful pollutants. By promoting the use of solar energy, silicon wafers help reduce reliance on fossil fuels, mitigate climate change, and support the transition towards a more sustainable and environmentally friendly energy system. Additionally, the manufacturing of solar silicon wafers can create jobs and stimulate economic growth, contributing to the goal of sustainable economic development.
- Q: What is the role of anti-reflective coating on solar silicon wafers?
- The role of anti-reflective coating on solar silicon wafers is to minimize the amount of reflected sunlight, thereby increasing the amount of light that can be absorbed by the solar cells. This coating helps to improve the overall efficiency of the solar panels by allowing more light to pass through and be converted into electricity.
- Q: What is a silicon wafer
- Silicon is an important material in the IC fabrication, through photolithography and ion implantation on the silicon wafer and other means, can be made into various semiconductor devices made of silicon chip. With amazing computational capabilities. The development of science and technology promotes the development of semiconductor. Development of automation and computer technology, this makes the silicon chip (integrated circuit) high technology product cost has been reduced to a very low degree. This makes the silicon wafer has been widely used in aerospace, industry, agriculture and national defense, and even crept into every family.
- Q: How to make monocrystalline silicon solar panels? Begged: specific steps
- Surface fleeceThe preparation of single crystal silicon wafer is the use of anisotropic etching of silicon on the surface of the silicon per square centimeter to form several million square pyramidal structure, namely, the Pyramid structure. Due to the multiple reflection and refraction of incident light on the surface, the absorption of light is increased, and the short circuit current and conversion efficiency are improved. Anisotropic etching of silicon in alkaline solution liquid is usually hot, available alkali sodium hydroxide, potassium hydroxide, lithium hydroxide and ethylenediamine etc.. Most of them were prepared by using dilute sodium hydroxide solution with a concentration of about 1%, and the corrosion temperature was 70-85. In order to obtain a uniform texture, but also in the solution add alcohols such as ethanol and isopropanol as complexing agent to accelerate the corrosion of silicon. In the preparation of velvet, the silicon chip must be first surface corrosion, alkaline or acidic etching solution to about 20 ~ 25 m, corrosion in the face, the general chemical cleaning. After surface preparation of silicon wafers are not suitable for long-term storage in the water, in order to prevent contamination, should be spread as soon as possible.
- Q: How is a solar silicon wafer tested for quality control?
- A solar silicon wafer is tested for quality control through a series of rigorous procedures. These include inspecting the wafer's surface for any defects or impurities, measuring its dimensions and thickness to ensure they meet specifications, and conducting electrical tests to assess its efficiency and performance. Additionally, the wafer may undergo specific tests like resistivity measurement, optical inspection, and thermal imaging to further evaluate its quality and suitability for solar cell production.
- Q: How does the thickness of a passivation layer affect the efficiency of a solar silicon wafer?
- The thickness of a passivation layer on a solar silicon wafer directly impacts its efficiency. A thicker passivation layer can enhance the effectiveness of surface passivation, reducing surface recombination and improving the overall efficiency of the solar cell. However, if the passivation layer becomes too thick, it may introduce additional defects or hinder the diffusion of charge carriers, leading to a decrease in efficiency. Therefore, an optimal thickness of the passivation layer needs to be carefully determined to maximize the efficiency of the solar silicon wafer.
- Q: How are solar silicon wafers protected from extreme temperatures?
- Solar silicon wafers are protected from extreme temperatures by encapsulating them in various layers of protective materials such as glass or polymer. These protective layers act as a barrier, shielding the wafers from direct exposure to high temperatures and preventing any damage or degradation. Additionally, solar panels are designed with proper thermal management systems, including heat sinks and ventilation, to dissipate excess heat and maintain optimal operating temperatures for the silicon wafers.
- Q: Can solar silicon wafers be used in solar-powered electric fences?
- Yes, solar silicon wafers can be used in solar-powered electric fences. The wafers are used in solar panels to convert sunlight into electricity, which can then power the electric fence system.
- Q: Are solar silicon wafers affected by electromagnetic waves?
- Yes, solar silicon wafers are indeed affected by electromagnetic waves. Electromagnetic waves, such as those emitted by radio frequencies or microwaves, can interfere with the performance of solar silicon wafers. This interference can lead to a reduction in the efficiency of the solar cells or even disrupt their operation entirely. As a result, it is crucial to consider electromagnetic interference when designing and installing solar panels to ensure optimal performance and minimize any potential negative impacts.
- Q: What is the role of light trapping in solar silicon wafers?
- The role of light trapping in solar silicon wafers is to increase the absorption of sunlight within the wafer, thereby enhancing the overall efficiency of the solar cell. By incorporating light trapping structures or techniques, such as textured surfaces or anti-reflective coatings, more light is effectively captured and confined within the wafer, allowing for a greater number of photons to be converted into electricity. This improves the performance of the solar cell by maximizing the utilization of available sunlight.
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Solar Grade Silicon Wafer - High Quality A Grade Polycrystalline 5V 17.4% 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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