Solar Panel Silicon Wafer - High Current 16.6% Polycrystalline Silicon Solar Cell
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 100000 pc/month
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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: What are the different doping materials used in solar silicon wafers?
- The different doping materials used in solar silicon wafers are typically boron and phosphorus. Boron is used as a p-type dopant, introducing positive charge carriers (holes), while phosphorus is used as an n-type dopant, introducing negative charge carriers (electrons). These dopants help create the desired p-n junctions necessary for efficient solar cell operation.
- Q: How does the efficiency of a solar silicon wafer vary with different angles of sunlight?
- The efficiency of a solar silicon wafer generally varies with different angles of sunlight. It is highest when sunlight falls perpendicularly onto the wafer, maximizing the absorption of solar energy and resulting in optimal conversion to electricity. As the angle of sunlight deviates from perpendicular, the efficiency gradually decreases due to increased reflection and decreased absorption of light. However, modern solar technologies and tracking systems are designed to optimize the angle of sunlight incidence, allowing for better efficiency even at non-perpendicular angles.
- Q: What are the properties of a high-quality solar silicon wafer?
- A high-quality solar silicon wafer possesses several key properties. Firstly, it should have a high level of purity, typically above 99.9999%, to ensure minimal impurities that could affect the efficiency of the solar cell. The wafer should also have a uniform crystal structure with low defect density, enabling efficient electron flow and minimizing energy losses. Additionally, a desirable wafer should have a precise thickness, usually around 200 micrometers, to optimize light absorption and minimize material waste. Lastly, a high-quality solar silicon wafer should have a smooth surface with minimal surface roughness, allowing for effective deposition of the solar cell layers and minimizing light reflection.
- Q: What is the purpose of a tracker in a solar silicon wafer?
- The purpose of a tracker in a solar silicon wafer is to maximize the efficiency of solar energy generation by orienting the wafer towards the sun, ensuring optimal exposure to sunlight throughout the day.
- Q: How are solar silicon wafers packaged and shipped?
- Solar silicon wafers are typically packaged and shipped in protective containers to ensure their safe transportation. These containers may include trays or boxes with foam inserts or anti-static materials to prevent any damage or contamination during transit. The packaged wafers are then usually stacked and secured on pallets or in crates for easier handling and transportation. Additionally, specific labeling and marking are applied to indicate the fragility and sensitivity of the wafers, ensuring careful handling throughout the shipping process.
- Q: How do solar silicon wafers contribute to the overall cost of a solar panel?
- Solar silicon wafers are a significant contributor to the overall cost of a solar panel. The manufacturing process involved in producing high-quality wafers requires advanced technology and precision, making it a costly step. Additionally, the demand for silicon wafers has increased with the growing solar industry, leading to a rise in their prices. As a result, the cost of solar silicon wafers directly impacts the final price of solar panels.
- Q: What is the thickness of the semiconductor wafer used today?I have consulted some for solar wafers, heard now that the wafer thickness in 200~400 micron, but we need the wafer thickness requirements for high now, that for semiconductor wafer thickness is slightly higher than the solar energy, but I do not know how much is there in about 1 mm
- For integrated circuits: generally 4 inch wafer thickness of 0.520mm, the thickness of the 6 inch wafer
- Q: Who is the best silicon chip dryer?
- In general, the oil bath furnace heating a little more stable, St. steel technology to give me a more profound sense of the sale, the response time is relatively fast, and the service attitude is better, we can be anxious customers anxious.
- Q: What is the typical cost per watt for a solar silicon wafer?
- The typical cost per watt for a solar silicon wafer ranges from $0.20 to $0.40.
- Q: What is the purpose of a junction box in a solar silicon wafer?
- The purpose of a junction box in a solar silicon wafer is to provide a safe and secure enclosure for the electrical connections and components of the solar panel. It helps protect the wiring from environmental factors such as moisture and dust, and facilitates the connection of multiple solar panels in an array. Additionally, the junction box includes diodes that prevent reverse current flow, ensuring optimal performance and efficiency of the solar panel.
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Solar Panel Silicon Wafer - High Current 16.6% Polycrystalline Silicon Solar Cell
- 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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