High Current Solar Cell 17.6% Polycrystalline Silicon Solar Cell Price
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4 Bus Bars 156*156 17.6% efficiency poly solar cell
PHYSICAL CHARACTERISTICS
Dimension: 156mm x 156mm ± 0.5mm
Wafer Thickeness: 180um+20um and 200um+20um
Front(-) Four 1.2mm silver busbar
Silicon nitride blue anti-reflection coating
Back(+) aluminum back surface field
1.75mm(silver) wide segment soldering pads
Typical Electrical Characteristics
Efficiency | W(Pmpp) | V(Umpp) | A(Impp) | V(Uoc) | A(Isc) |
17.4-17.5 | 4.234 | 0.517 | 8.231 | 0.622 | 8.759 |
17.5-17.6 | 4.259 | 0.519 | 8.243 | 0.623 | 8.769 |
17.7-17.8 | 4.283 | 0.521 | 8.256 | 0.625 | 8.779 |
17.8-17.9 | 4.307 | 0.523 | 8.268 | 0.626 | 8.788 |
17.9-18.0 | 4.332 | 0.525 | 8.281 | 0.627 | 8.798 |
18.0-18.1 | 4.380 | 0.529 | 8.306 | 0.629 | 8.808 |
18.1-18.2 | 4.405 | 0.531 | 8.318 | 0.632 | 8.818 |
18.2-18.3 | 4.429 | 0.533 | 8.331 | 0.633 | 8.837 |
18.3-18.4 | 4.453 | 0.535 | 8.344 | 0.634 | 8.847 |
18.4-18.5 | 4.478 | 0.537 | 8.356 | 0.636 | 8.856 |
18.5-18.6 | 4.502 | 0.539 | 8.369 | 0.637 | 8.866 |
Efficiency | W(Pmpp) | V(Umpp) | A(Impp) | V(Uoc) | A(Isc) |
20.90-21.00 | 5.06 | 0.557 | 9.007 | 0.653 | 9.688 |
20.80-20.90 | 5.04 | 0.556 | 9.062 | 0.652 | 9.683 |
20.70-20.80 | 5.02 | 0.554 | 9.055 | 0.651 | 9.684 |
20.60-20.70 | 4.99 | 0.552 | 9.033 | 0.651 | 9.672 |
20.50-20.60 | 4.97 | 0.550 | 9.002 | 0.650 | 9.673 |
20.40-20.50 | 4.94 | 0.548 | 9.012 | 0.649 | 9.674 |
20.30-20.40 | 4.92 | 0.546 | 9.009 | 0.649 | 9.655 |
20.20-20.30 | 4.89 | 0.543 | 9.012 | 0.648 | 9.634 |
20.10-20.20 | 4.87 | 0.541 | 8.998 | 0.648 | 9.617 |
20.00-20.10 | 4.85 | 0.540 | 8.977 | 0.647 | 9.600 |
*Data under standard testing conditional (STC):1,000w/m2,AM1.5, 25°C , Pmax:Positive power tolerance.
3 Bus Bars 156*156 17.4% efficiency poly solar cell
Dimension: 156 mm x 156 mm ± 0.5 mm
Wafer Thickeness: 156 mm x 156 mm ± 0.5 mm
Typical Electrical Characteristics:
| Efficiency code | 1660 | 1680 | 1700 | 1720 | 1740 | 1760 | 1780 | 1800 | 1820 | 1840 | 1860 |
| Efficiency (%) | 16.6 | 16.8 | 17.0 | 17.2 | 17.4 | 17.6 | 17.8 | 18.0 | 18.2 | 18.4 | 18.6 |
| Pmax (W) | 4.04 | 4.09 | 4.14 | 4.19 | 4.23 | 4.28 | 4.33 | 4.38 | 4.43 | 4.48 | 4.53 |
| Voc (V) | 0.612 | 0.615 | 0.618 | 0.621 | 0.624 | 0.627 | 0.629 | 0.63 | 0.633 | 0.635 | 0.637 |
| Isc (A) | 8.42 | 8.46 | 8.51 | 8.56 | 8.61 | 8.65 | 8.69 | 8.73 | 8.77 | 8.81 | 8.84 |
| Imp (A) | 7.91 | 7.99 | 8.08 | 8.16 | 8.22 | 8.27 | 8.33 | 8.38 | 8.43 | 8.48 | 8.53 |
* Testing conditions: 1000 W/m2, AM 1.5, 25 °C, Tolerance: Efficiency ± 0.2% abs., Pmpp ±1.5% rel.
* Imin : at 0.5 V
Production:
Package:
FAQ:
1. Q: Do you have your own factory?
A: Yes, we have. Our factory located in Jiangsu
2. Q: How can I visit your factory?
A: Before you visit,please contact us.We will show you the route or arrange a car to pick you up.
3. Q: Do you provide free sample?
A: Commenly we provide paid sample.
4. Q: Could you print our company LOGO on the nameplate and package?
A: Yes, we accept it.And need an Authorization Letter from you.
5. Q: Do you accept custom design on size?
A: Yes, if the size is reasonable.
6. Q: How can I be your agent in my country?
A: Please leave feedback. It's better for us to talk about details by email.
7. Q: Do you have solar project engineer who can guide me to install system?
A: Yes, we have a professional engineer team. They can teach you how to install a solar system.
- Q:Are solar silicon wafers affected by chemical exposure?
- Yes, solar silicon wafers can be affected by chemical exposure. Certain chemicals, such as strong acids or alkalis, can corrode or damage the surface of the silicon wafers, leading to a decrease in their efficiency and performance. It is important to handle and store solar silicon wafers properly to avoid any potential chemical exposure that could negatively impact their functionality.
- Q:How is a mounting structure attached to a solar silicon wafer?
- A mounting structure is typically attached to a solar silicon wafer using a strong adhesive or soldering technique. This attachment ensures the wafer is securely held in place, allowing for proper alignment and stability within the solar panel assembly.
- Q:Are solar silicon wafers affected by humidity?
- Yes, solar silicon wafers can be affected by humidity. High humidity levels can impact the performance and efficiency of solar cells made from silicon wafers. Moisture can cause corrosion, reduce electrical conductivity, and potentially damage the surface of the wafers. Therefore, it is important to protect solar silicon wafers from excessive humidity to ensure optimal functionality and longevity.
- Q:What is the role of a solar silicon wafer in a solar panel?
- The solar silicon wafer serves as the main component in a solar panel, playing a crucial role in converting sunlight into electricity. It acts as the semiconductor material that absorbs photons from the sun, generating an electric current through the photovoltaic effect. The wafer's high purity and crystalline structure allow it to efficiently capture and convert solar energy, making it an essential element in the functioning of a solar panel.
- Q:Can solar silicon wafers be used in space exploration missions?
- Yes, solar silicon wafers can be used in space exploration missions. Solar panels made from silicon wafers are commonly used to generate electricity in spacecraft and satellites as they can efficiently convert sunlight into electrical energy even in the harsh conditions of space. This sustainable and reliable source of power is crucial for powering various systems and instruments during space missions.
- Q:How long do solar silicon wafers last in a solar panel?
- Solar silicon wafers can last for several decades in a solar panel, typically around 25 to 30 years. However, their efficiency might gradually decline over time due to various factors such as exposure to sunlight, temperature fluctuations, and potential manufacturing defects. Regular maintenance and cleaning can help maximize the lifespan and performance of solar panels.
- Q:How are solar silicon wafers handled and stored to prevent contamination?
- Solar silicon wafers are handled and stored in a controlled environment to prevent contamination. They are typically stored in cleanrooms that are free from dust and other particles. Special handling procedures are followed, such as wearing gloves and using clean tools, to avoid any contact with the wafers that could lead to contamination. Additionally, the wafers are often stored in sealed containers or vacuum-sealed packages to protect them from moisture and other pollutants. These measures ensure the quality and purity of the solar silicon wafers, which is crucial for their efficiency and performance in solar panel production.
- Q:What is the typical size of a solar silicon wafer?
- The typical size of a solar silicon wafer is around 156mm in diameter.
- Q:What factors affect the conversion efficiency of a solar silicon wafer?
- Several factors affect the conversion efficiency of a solar silicon wafer. These include the purity of the silicon material, the presence of impurities and defects, the thickness and quality of the anti-reflection coating, the design and efficiency of the solar cell structure, temperature variations, and the quality of electrical contacts.
- Q:How are solar silicon wafers coated to prevent reflection losses?
- Solar silicon wafers are typically coated with an anti-reflective (AR) coating to minimize reflection losses. This coating is usually made of thin layers of dielectric materials with varying refractive indices, which help to reduce the amount of light that is reflected off the surface of the wafer. The AR coating is designed to match the refractive index of the silicon, allowing more light to pass through and be absorbed by the solar cells, thereby increasing the overall efficiency of the solar panel.
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High Current Solar Cell 17.6% Polycrystalline Silicon Solar Cell Price
- 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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