Silicon Wafer Based High Current 17.4% Polycrystalline Silicon Solar Cells
- 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
You Might Also Like
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: Can solar silicon wafers be used in space applications?
- Yes, solar silicon wafers can be used in space applications. They are commonly used to generate electricity in satellites and space probes due to their high efficiency in converting sunlight into electrical energy.
- Q: What is the typical warranty period for a solar silicon wafer?
- The typical warranty period for a solar silicon wafer is around 25 to 30 years.
- Q: How is a solar silicon wafer made?
- A solar silicon wafer is made through a series of processes. First, high-purity silicon is extracted from quartzite or sand and then purified to remove impurities. This purified silicon is then melted and formed into a cylindrical ingot, which is further sliced into thin wafers using a diamond wire saw or a multi-wire cutting machine. These wafers are then polished to remove any surface defects and cleaned to ensure purity. Finally, they undergo additional treatments such as doping with other materials to enhance their electrical properties before being used in the production of solar cells.
- Q: How are solar silicon wafers protected from corrosion?
- Solar silicon wafers are typically protected from corrosion through the use of passivation layers. These thin protective coatings, often made of silicon nitride or silicon oxide, act as a barrier between the silicon surface and the surrounding environment. This helps to prevent the wafers from coming into direct contact with moisture or other corrosive agents that could degrade their performance or longevity.
- Q: What is the typical production volume of solar silicon wafers?
- The typical production volume of solar silicon wafers can vary depending on the size and capacity of the manufacturing facility. However, on average, a large-scale solar silicon wafer production facility can produce millions to billions of wafers per year.
- Q: How are solar silicon wafers affected by potential-induced degradation?
- Solar silicon wafers are adversely affected by potential-induced degradation (PID). PID occurs when high voltage potential is applied to the module, leading to a decrease in performance and efficiency. This degradation is primarily caused by the migration of ions, such as sodium, from the glass surface to the silicon wafer, resulting in increased leakage currents and reduced power output. To mitigate PID, various measures like using anti-PID modules or implementing appropriate system grounding techniques are employed in solar panel installations.
- Q: What is the silicon area of the 125 diagonal of a single crystal of 160?
- Because monocrystalline silicon and the battery is not a quadrilateral, so the 125 refers to the length of a single crystal square
- Q: Are solar silicon wafers affected by lightning strikes?
- Yes, solar silicon wafers can be affected by lightning strikes. Lightning can potentially damage the solar panels and their components, including the silicon wafers. The high voltage and current levels associated with lightning strikes can cause electrical surges and overheating, leading to the degradation or destruction of the silicon wafers. To mitigate this risk, solar panel systems often incorporate lightning protection measures, such as surge protectors and grounding systems, to minimize the impact of lightning strikes on the silicon wafers and the overall solar panel system.
- Q: Are solar silicon wafers affected by electromagnetic fields?
- Yes, solar silicon wafers can be affected by electromagnetic fields. Electromagnetic fields can induce eddy currents in the wafers, leading to resistive losses and reduced efficiency in solar cell performance. However, the impact of electromagnetic fields on solar silicon wafers is generally minimal as solar cells are designed to minimize such effects and maintain their functionality.
- Q: Are solar silicon wafers affected by dust or dirt accumulation?
- Yes, solar silicon wafers are affected by dust or dirt accumulation. When dust or dirt accumulates on the surface of the silicon wafers, it can block sunlight and reduce the efficiency of the solar cells. Regular cleaning and maintenance is necessary to ensure optimal performance of solar panels.
Send your message to us
Silicon Wafer Based High Current 17.4% Polycrystalline Silicon Solar Cells
- 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
Similar products
Hot products
Hot Searches
Related keywords
