High Current Monocrystalline Solar Silicon Wafer 17.6% Polycrystalline Silicon Solar Cell Price
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- 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: How does the electrical conductivity affect the efficiency of a solar silicon wafer?
- The electrical conductivity of a solar silicon wafer directly affects its efficiency. Higher electrical conductivity allows for better flow of electric current, enabling the efficient collection and transport of generated electricity. This leads to improved overall performance and higher conversion efficiency of the solar cell. Consequently, a solar silicon wafer with higher electrical conductivity will typically result in a more efficient solar panel.
- Q: Can solar silicon wafers be used in harsh environments?
- Yes, solar silicon wafers can be used in harsh environments. They are designed to withstand various challenging conditions such as extreme temperatures, high humidity, and exposure to dust, salt, and other environmental contaminants. Additionally, solar panels are often installed with protective coatings and encapsulation materials to ensure their durability and longevity in harsh settings.
- Q: Can solar silicon wafers be used in portable solar panels?
- Yes, solar silicon wafers can be used in portable solar panels. The silicon wafers are the key component in solar panels that convert sunlight into electricity, and they can be used in portable panels to harness solar energy for various applications such as charging electronic devices or powering small appliances on the go.
- Q: How are solar silicon wafers affected by temperature-induced stress?
- Solar silicon wafers are affected by temperature-induced stress in several ways. Firstly, as the temperature increases, the thermal expansion of the silicon material causes it to expand, leading to mechanical stress on the wafer. This stress can result in warping or even cracking of the wafer. Secondly, temperature fluctuations can cause differential expansion and contraction across different layers of the wafer, especially if it is a multi-layered structure. This can lead to delamination or detachment of layers, compromising the integrity and performance of the wafer. Thirdly, temperature-induced stress can affect the electrical properties of the silicon material. Increased stress can alter the bandgap and carrier mobility, potentially impacting the efficiency of the solar cell. Overall, it is crucial to carefully manage temperature-induced stress in solar silicon wafers to ensure their structural integrity and optimal performance.
- Q: What is the role of a back surface field in a solar silicon wafer?
- The role of a back surface field in a solar silicon wafer is to enhance the efficiency of the solar cell by reducing the carrier recombination at the back surface. It forms a high-quality passivation layer that prevents the loss of carriers, thereby increasing the overall performance and power output of the solar cell.
- Q: Can solar silicon wafers be used in water pumping systems?
- Yes, solar silicon wafers can be used in water pumping systems. Solar silicon wafers are commonly used in photovoltaic panels to convert sunlight into electricity. By harnessing solar energy, these panels can power water pumping systems, allowing for sustainable and environmentally friendly water pumping solutions.
- Q: What is the purpose of a degradation rate in a solar silicon wafer?
- The purpose of a degradation rate in a solar silicon wafer is to measure and quantify the rate at which the performance of the wafer decreases over time due to various factors such as aging, exposure to environmental conditions, and mechanical stress. This degradation rate helps in understanding the long-term reliability and durability of the wafer, and aids in predicting its lifespan and overall efficiency in generating solar power.
- Q: How does the efficiency of a solar silicon wafer change with time of day?
- The efficiency of a solar silicon wafer generally increases with the time of day. This is because solar panels rely on sunlight to generate electricity, and the intensity of sunlight tends to be higher during midday when the sun is at its highest point in the sky. As the day progresses and the angle of the sun changes, the amount of sunlight reaching the solar panel decreases, leading to a gradual decrease in efficiency. However, advancements in technology have minimized this effect, allowing solar panels to still generate significant electricity even during morning and afternoon hours.
- Q: How do solar silicon wafers perform in desert environments?
- Solar silicon wafers perform well in desert environments due to the high levels of sunlight and low humidity. The dry and hot conditions in deserts allow for efficient solar energy generation, as there are fewer obstructions such as clouds or pollution. However, it is important to ensure proper maintenance and cleaning of the wafers to prevent the accumulation of dust or sand particles, which can hinder their performance.
- Q: How is the demand for solar silicon wafers expected to grow in the future?
- The demand for solar silicon wafers is expected to grow significantly in the future. As the global shift towards renewable energy continues, solar power generation is becoming increasingly popular and cost-effective. This increasing demand for solar energy will drive the need for more solar silicon wafers, which are crucial components of solar photovoltaic (PV) systems. Additionally, advancements in technology and manufacturing processes are expected to improve the efficiency and affordability of solar silicon wafers, further boosting their demand.
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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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