High Current Monocrystalline Solar Silicon Wafer 17.6% Polycrystalline Silicon Solar Cell Price
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- 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 include phosphorus and boron. Phosphorus is used as a donor material to create n-type silicon wafers, while boron is used as an acceptor material to create p-type silicon wafers. These doping materials help to create the necessary electrical properties within the silicon wafers, allowing them to efficiently convert sunlight into electricity.
- Q: How are solar silicon wafers affected by humidity and moisture?
- Solar silicon wafers are negatively affected by humidity and moisture. Exposure to high humidity or moisture can cause corrosion and oxidation on the surface of the wafers, which can impair their performance and efficiency. Moisture can also lead to the formation of water droplets or films on the surface, creating a barrier that reduces the amount of sunlight absorbed by the wafers. Additionally, humidity can increase the risk of electrical leakage and insulation failure in the solar cells. Therefore, it is crucial to protect solar silicon wafers from excessive humidity and moisture to maintain their optimal functioning.
- Q: How are solar silicon wafers protected from electromagnetic interference?
- Solar silicon wafers are typically protected from electromagnetic interference through the use of shielding materials and techniques. These measures include enclosing the solar panels within a grounded metal frame or casing, which acts as a Faraday cage to block external electromagnetic waves. Additionally, specialized coatings or films may be applied to the surface of the wafers to further enhance their resistance to electromagnetic interference.
- Q: Why silicon wafers are made in watts! There are several specifications for silicon wafers!
- Battery specifications good variety:103*103mm125*125mm150*150mm156*156mmThe longest seen is the single crystal 125*125mm polycrystalline 156*156mm according to the efficiency to determine the current efficiency of the battery chip is 16%--19%
- Q: What is the impact of surface recombination on the performance of solar silicon wafers?
- Surface recombination refers to the loss of charge carriers (electrons and holes) at the surface of solar silicon wafers, which can significantly impact their performance. It leads to reduced efficiency and lower overall power output of solar cells. Surface recombination acts as a bottleneck for charge carrier transport, limiting their lifetime and diffusion length. This results in a decrease in the effective collection of generated charge carriers, reducing the conversion of sunlight into electricity. To mitigate this impact, various surface passivation techniques are employed to minimize surface recombination and enhance the performance of solar silicon wafers.
- Q: What is a silicon wafer
- Is usually used in high-end IC and special IC, such as Si on insulator (SOI) wafer. In the production process of IC, need some wafer to test the status of the production process, such as the level of particle, the etching rate, defect rate and so on, these are often called wafer control chip, the control plate is also used with normal production batch process together to test the quality condition of a process, such as the CVD film thickness. In the production equipment maintenance or repair, immediately production batch of wafer, easy to cause the scrap, and usually use some very low cost wafer to run the process to determine the quality of maintenance or repair work, which is usually called wafer dummy wafer, of course, sometimes dummy wafer also can be used in the normal production process, such as machine must wafer to process a number of problems with dummy wafer complement, and some machines must be in the process of a certain number of wafer A form of dummy run, otherwise the process can not guarantee the quality and so on many wafer and so on can be called dummy. block basically can be regarded as a kind of.Dummy wafer dummy, wafer control chip, a guard sheet usually can be recycled.
- Q: How is the reflectivity of a solar silicon wafer reduced?
- The reflectivity of a solar silicon wafer is reduced by applying an anti-reflective coating on its surface. This coating helps to minimize the amount of light reflected back, allowing more light to be absorbed by the wafer and thus increasing the overall efficiency of the solar cell.
- Q: How is the weight of a solar silicon wafer reduced?
- The weight of a solar silicon wafer is reduced by using thinner wafer designs and advanced manufacturing techniques that remove excess material without compromising the wafer's structural integrity or performance.
- Q: How are solar silicon wafers protected from thermal damage?
- Solar silicon wafers are protected from thermal damage through the implementation of various techniques. One common method is the use of anti-reflective coatings on the surface of the wafers, which helps to reduce the absorption of heat and minimize thermal stress. Additionally, some wafers are equipped with backside passivation layers that enhance their ability to dissipate heat. Moreover, proper packaging and installation of solar panels also play a crucial role in safeguarding the wafers from thermal damage by ensuring adequate heat dissipation and temperature control.
- Q: One hundred watts of solar panels to how many pieces of silicon wafers, 156 of single crystals and polycrystalline
- This is not with the number of pieces, crystal silicon solar cell has a feature that is a 0.48-0.6V, called 0.5V, how much you want to V, you can use serial or parallel connection to achieve
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High Current Monocrystalline Solar Silicon Wafer 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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