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:How does the efficiency of a solar silicon wafer change with latitude?
- The efficiency of a solar silicon wafer does not change significantly with latitude. The efficiency of a solar panel primarily depends on factors such as the angle of incidence of sunlight, the intensity of solar radiation, and the temperature. While the angle of incidence does vary with latitude, this effect is relatively small compared to other factors. Therefore, the efficiency of a solar silicon wafer remains relatively constant across different latitudes.
- Q:What is the role of metal contacts on solar silicon wafers?
- The role of metal contacts on solar silicon wafers is to provide electrical connections between the solar cells and external electrical circuitry. These contacts typically act as terminals for the flow of current, allowing the generated electricity to be collected and utilized.
- Q:How is a power optimizer integrated into a solar silicon wafer?
- A power optimizer is typically integrated into a solar silicon wafer through a specialized electrical circuitry. This circuitry is designed to maximize the power output of each individual solar cell on the wafer, by monitoring and optimizing the voltage and current levels. The power optimizer is connected to each solar cell, allowing it to regulate and enhance the performance of the entire solar panel system.
- Q:Can solar silicon wafers be used in other applications besides solar energy?
- Yes, solar silicon wafers can be used in other applications besides solar energy. They are also used in the production of semiconductors, integrated circuits, and various electronic devices. Additionally, they can be utilized in the manufacturing of sensors, batteries, and even medical devices.
- Q:Can solar silicon wafers be used in thin-film solar cell technology?
- No, solar silicon wafers cannot be used in thin-film solar cell technology. Thin-film solar cells use different materials, such as amorphous silicon, cadmium telluride, or copper indium gallium selenide, to capture sunlight and convert it into electricity.
- Q:What are the advantages of using a solar silicon wafer?
- One of the main advantages of using a solar silicon wafer is its high efficiency in converting sunlight into electricity. Silicon wafers have excellent electrical properties and can absorb a wide range of solar wavelengths, maximizing energy conversion. Additionally, silicon is abundant and readily available, making it a cost-effective option for solar panel manufacturing. Furthermore, silicon wafers are durable and have a long lifespan, ensuring reliable power generation for many years.
- Q:What is the expected degradation rate of solar silicon wafers over time?
- The expected degradation rate of solar silicon wafers over time varies depending on various factors such as the quality of the silicon material, manufacturing process, environmental conditions, and maintenance practices. However, on average, silicon solar wafers experience a degradation rate of around 0.5-1% per year. This means that after 25 to 30 years, solar panels may have lost around 20-30% of their original efficiency. It's important to note that advancements in technology and improved manufacturing processes are continuously reducing degradation rates, ultimately increasing the lifespan and efficiency of solar panels.
- Q:What is the role of front surface texturing on solar silicon wafers?
- The role of front surface texturing on solar silicon wafers is to enhance light absorption and reduce reflection. This texturing process creates tiny indentations or bumps on the wafer's surface, which helps to scatter light and increase the chances of it being absorbed by the solar cells. By reducing reflection, more sunlight can be utilized for electricity generation, thus improving the overall efficiency of the solar panel.
- Q:How do solar silicon wafers perform in high humidity conditions?
- Solar silicon wafers generally perform well in high humidity conditions. However, prolonged exposure to high humidity can potentially lead to a decrease in their efficiency over time. The moisture in the air may cause corrosion or create a film on the surface of the wafers, reducing their ability to absorb sunlight and generate electricity. To minimize the impact of humidity, proper encapsulation and protection techniques are adopted during the manufacturing process of solar panels to ensure their longevity and maintain optimal performance in varying environmental conditions.
- Q:How do solar silicon wafers compare to other types of solar cell technologies?
- Solar silicon wafers are the most widely used and established technology in the solar cell industry. They offer high efficiency and reliability, making them a preferred choice for many applications. Compared to other types of solar cell technologies like thin-film or organic cells, silicon wafers generally have higher conversion efficiencies and longer lifespans. However, they are also more expensive to manufacture and require more material, which can limit their suitability for certain applications. Overall, solar silicon wafers remain a reliable and efficient option for harnessing solar energy.
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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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