High Current Monocrystalline Solar Silicon Wafer 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:What is the role of a glass cover in a solar silicon wafer?
- The role of a glass cover in a solar silicon wafer is to protect the wafer from external elements such as dust, moisture, and mechanical damage. It also acts as a barrier against UV radiation and helps to maximize the efficiency of the solar cell by allowing maximum transmission of sunlight while minimizing reflection and absorption losses. Additionally, the glass cover provides electrical insulation and ensures long-term durability of the solar module.
- Q:Can solar silicon wafers be used in recreational vehicles (RVs)?
- Yes, solar silicon wafers can be used in recreational vehicles (RVs). They are commonly used to power various appliances and systems in RVs, providing a renewable source of energy.
- Q:What is the purpose of a busbar in a solar silicon wafer?
- The purpose of a busbar in a solar silicon wafer is to collect and distribute the electrical current generated by the wafer's photovoltaic cells.
- Q:What factors contribute to the degradation of a solar silicon wafer?
- Several factors contribute to the degradation of a solar silicon wafer. Firstly, exposure to harsh environmental conditions like extreme temperatures, humidity, and UV radiation can cause the wafer's surface to deteriorate over time. Secondly, impurities present in the silicon material or introduced during the manufacturing process can lead to the formation of defects, reducing the efficiency of the solar cell. Thirdly, mechanical stress, such as thermal expansion or contraction, can cause cracking or warping in the wafer, affecting its performance. Finally, improper handling, installation, or maintenance practices can also contribute to the degradation of a solar silicon wafer.
- Q:How do solar silicon wafers contribute to the overall weight of a solar panel?
- Solar silicon wafers contribute significantly to the overall weight of a solar panel. These wafers are made of highly purified silicon and are the primary component responsible for converting sunlight into electricity. Since solar panels require multiple layers of these wafers to maximize energy production, the accumulated weight of these layers adds to the overall weight of the panel. Additionally, the supporting material, such as the glass cover and metal frame, also contribute to the weight. Therefore, solar silicon wafers play a crucial role in determining the weight of a solar panel.
- Q:What are the advantages of using silicon for solar wafers?
- There are several advantages of using silicon for solar wafers. Firstly, silicon is abundantly available and is one of the most common elements on Earth, making it cost-effective. Secondly, silicon has excellent electrical properties, such as its ability to convert sunlight into electricity efficiently. Additionally, silicon is highly stable and durable, ensuring a longer lifespan for solar panels. Lastly, silicon can be easily processed and fabricated into wafers, making it a versatile material for solar cell production.
- Q:How to extract silicon from silicon wafers
- Annealing: double position hot oxidation furnace after nitrogen purging, infrared heating to 300~500 DEG C, silicon wafer surface and oxygen react, so that the surface of silicon dioxide protection layer.
- Q:What is the role of solar silicon wafers in reducing reliance on fossil fuels?
- Solar silicon wafers play a crucial role in reducing reliance on fossil fuels by serving as the key component in the production of solar cells. These wafers are made from highly purified silicon, which, when exposed to sunlight, generates electricity through the photovoltaic effect. By harnessing solar energy, these wafers enable the generation of clean and renewable electricity, reducing the need for fossil fuel-based power generation. This helps in mitigating greenhouse gas emissions and combating climate change, thus reducing our overall dependence on fossil fuels for energy production.
- Q:How is the wafer appearance caused? The performance of the chip half white, a class of black! Seek help！
- You should be the color difference problem is caused by the mortar temperature cutting room temperature and workshop temperature also influenced to reduce this effect only from the cleaning rod to minimize the time spent between, this is the enthusiasm of the staff problem
- Q:What is the effect of impurities on the performance of solar silicon wafers?
- Impurities in solar silicon wafers can negatively impact their performance in multiple ways. Firstly, impurities can alter the optical properties of the material, reducing its ability to efficiently absorb sunlight. This leads to a decrease in the overall conversion efficiency of the solar cell. Secondly, impurities can introduce defects and recombination centers in the crystal lattice of the silicon, reducing the ability of the material to generate and transport charge carriers. This results in a decrease in the electrical conductivity and overall performance of the solar cell. Moreover, impurities can also lead to increased series resistance, reducing the current flow within the solar cell. This lowers the output power and overall performance of the solar panel. Therefore, minimizing impurities in solar silicon wafers is crucial to ensure optimal performance and efficiency of solar cells and panels.
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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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