Solar Silicon Wafer for Sale - High Quality A Grade Polycrystalline 5V 16.8% Solar Cell
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- Shanghai
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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:The metal in the silicon wafer
- By 1960, the scale of industrial production had been in this way. Silicon rectifier and thyristor has prompted the silicon material production jumped in the first semiconductor material. With the development of silicon epitaxial single crystal technology and silicon planar technology in 60s, it not only makes silicon transistor manufacturing technology mature, but also promotes the rapid development of integrated circuits. In early 80s the world's polysilicon production reached 2500 tons. Silicon is one of the promising materials for solar cells. The technology of producing solar cells with polycrystalline silicon has been mature; amorphous silicon films have been developed rapidly. Chemical element silicon. Electrically active impurities phosphorus and boron should be less than 0.4ppb and 0.1ppb in qualified semiconductor and polysilicon. A certain amount of electroactive impurities should be added to the single crystal to obtain the required conductivity and resistivity. Heavy metals such as copper, gold, iron and nonmetal are very harmful impurities. The carbon content in silicon is higher than that of 1ppm. When the carbon content is over 3ppm, the harmful effect is more significant. Oxygen content in silicon is very high. Oxygen is both beneficial and harmful. The content of oxygen in Czochralski silicon is within the range of 5 to 40ppm, and the oxygen content of the fused silica can be less than 1ppm.
- Q:How are solar silicon wafers connected to form a solar cell?
- Solar silicon wafers are typically connected through a process called soldering or wire bonding. This involves attaching metal contacts to the front and back surfaces of the wafers using a conductive material. The front side contact is usually made of a thin layer of silver or aluminum, while the backside contact is typically made of a combination of aluminum and silver. These contacts allow for the flow of electricity generated by the sunlight absorbed by the silicon wafers, thus forming a solar cell.
- Q:What is the role of emitter diffusion in solar silicon wafers?
- The role of emitter diffusion in solar silicon wafers is to create a region with a high concentration of dopant atoms near the surface of the wafer. This creates a p-n junction, which is essential for the efficient conversion of sunlight into electricity in a solar cell. The emitter diffusion process helps to improve the conductivity and collection of charge carriers, thereby enhancing the overall performance of the solar cell.
- Q:Can solar silicon wafers be used in underwater applications?
- Yes, solar silicon wafers can be used in underwater applications. They are designed to be waterproof and can withstand the effects of being submerged in water. However, proper sealing and protection measures need to be in place to prevent any damage or corrosion to the wafers.
- Q:Can solar silicon wafers be repaired if damaged?
- No, solar silicon wafers cannot be repaired if they are damaged. Once a silicon wafer used for solar cells is damaged, it cannot be fixed or repaired. It is usually more cost-effective and efficient to replace the damaged wafer with a new one.
- Q:How do solar silicon wafers perform in polluted urban areas?
- Solar silicon wafers perform well in polluted urban areas, although their efficiency might be slightly reduced due to the presence of air pollutants. However, advancements in solar technology have made these wafers more resilient to dust and dirt accumulation, ensuring that their performance is not significantly affected. Regular maintenance and cleaning can further optimize their efficiency in such environments.
- Q:How do solar silicon wafers handle extreme weather conditions like hailstorms?
- Solar silicon wafers are designed to withstand extreme weather conditions, including hailstorms. They are typically made from highly durable materials such as tempered glass or polycrystalline silicon, which have high resistance to impacts. Additionally, these wafers undergo rigorous testing and certification processes to ensure their ability to withstand hailstorms and other harsh weather conditions. The materials used and the manufacturing processes employed make solar silicon wafers capable of effectively handling hailstorms without significant damage or loss of functionality.
- Q:Can solar silicon wafers be made transparent for specific applications?
- Yes, solar silicon wafers can be made transparent for specific applications by implementing various techniques such as thinning the wafer thickness, reducing crystal defects, and applying anti-reflective coatings. These measures allow a certain amount of light to pass through the wafer while maintaining its functionality as a solar cell. This transparency can be beneficial for applications like building-integrated photovoltaics (BIPV) or solar windows, where aesthetics and light transmission are important factors.
- Q:What is the role of surface texturing on solar silicon wafers?
- The role of surface texturing on solar silicon wafers is to enhance light trapping and increase the absorption of sunlight. This texturing process creates rough surfaces on the wafer, which helps to scatter and trap light within the silicon material, allowing for better absorption and conversion of solar energy into electricity.
- Q:Can solar silicon wafers be used in portable solar devices?
- Yes, solar silicon wafers can be used in portable solar devices. These wafers are the main component of solar panels and are commonly used in various applications, including portable solar chargers, backpacks, and smaller solar devices. The wafers capture sunlight and convert it into electricity, making them suitable for portable solar devices that require a compact and efficient power source.
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Solar Silicon Wafer for Sale - High Quality A Grade Polycrystalline 5V 16.8% 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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