Wholesale China Solar Cells Polycrystalline Solar Cells with Low Price
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 pc
- Supply Capability:
- 8000000 pc/month
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Polycrystalline Silicon Solar Cells:
Solar cells is made by solar wafer, it has three categories of solar cell right now, monocrystalline polycrystalline and thin film,These cells are entirely based around the concept of ap-n junction, which is the critical part of solar module, it is the part that can convert the light energy into electricity, the thickness is from 180um to 200um, with even busbars to conduct electricity, textured cell can decrease diffuse reflection; they are often electrically connected and encapsulated as a module. Photovoltaic modules often have a sheet of glass on the front (sun up) side, allowing light to pass while protecting semiconductor wafers from abrasion and impact due to wind-driven debris, rain, hail, etc. Solar cells are also usually connected in series in modules, creating an additive voltage. Connecting cells in parallel will yield a higher current;With high quality and stable quality. Our Cells can greatly improve the performance of Solar Modules.
Polycrystalline Silicon Solar Cells Advantage:
• High efficiency and stable performance in photovoltaic conversion.
• Advanced diffusion technique ensuring the homogeneity of energy conversion efficiency of the cell.
• Advanced PECVD film forming, providing a dark blue silicon nitride anti-reflection film of homogenous color and attractive appearance.
• High quality metal paste for back surface and electrode, ensuring good conductivity, high pulling strength and ease of soldering.
• High precision patterning using screen printing, ensuring accurate busbar location for ease with automatic soldering a laser cutting.
Specification:
Mechanical data and design |
Format - 156 mm × 156 mm ± 0.5 mm |
Thickness- - 200 μm ± 20 μm |
Front (-) - 1.4 mm bus bars (silver),blue anti-reflection coating (silicon nitride) |
Back (+) - 2 mm wide soldering pads (silver) back surface field (aluminium) |
Temperature Coefficient of Cells |
Voc. Temp .coef.%/K -0.364%/K |
Isc . Temp .coef.%/K +0.077%/K |
Pm. Temp. coef.%/K -0.368%/K |
Electrical Characteristic |
Efficiency (%) Pmpp (W) Umpp (V) Impp (A) Voc (V) Isc (A) |
18.00% 4.380 0.538 8.141 0.634 8.740 |
17.90% 4.356 0.538 8.097 0.634 8.725 |
17.80% 4.331 0.537 8.065 0.633 8.710 |
17.70% 4.307 0.536 8.035 0.632 8.695 |
17.60% 4.283 0.535 8.006 0.631 8.680 |
17.50% 4.258 0.534 7.974 0.630 8.665 |
17.40% 4.234 0.533 7.944 0.629 8.650 |
17.30% 4.210 0.532 7.914 0.628 8.635 |
17.20% 4.185 0.531 7.88 -- 0.627 -- 8.620 |
17.10% 4.161 0.530 7.851 0.626 8.605 |
17.00% 4.137 0.529 7.820 0.625 8.590 |
Intensity Dependence |
Intensity [W/m2] Isc× [mA] Voc× [mV] Pmpp |
1000 1.00 1.000 1.00 |
900 0.90 1.000 0.90 |
800 0.80 0.99 0.80 |
500 0.50 0.96 0.49 |
300 0.30 0.93 0.29 |
200 0.20 0.92 0.19 |
IV Curve
Solar Panel Images:
FAQ
We have organized several common questions for our clients,may help you sincerely:
①What price for each watt?
It depends on the efficiency of the solar cell, quantity, delivery date and payment terms.
②How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.
③Can you provide the peripheral products of the solar panels, such as the battery, controller, and inverter? If so, can you tell me how do they match each other?
Yes, we can, we have two companies for solar region, one is CNBM International, the other is CNBM engineering Co.
We can provide you not only the solar module but also the off grid solar system, we can also provide you service with on grid plant.
④What is your warranty of solar cell?
Our product can promise lower than 0.3% open box crack, we support claim after opening the box if it has crackm color difference or sth, the buyer should give pictures immediately, we can not accept the claim after the solar cell has assembled to solar panel.
• Timeliness of delivery
• ⑤How do you pack your products?
We have rich experience on how to pack the solar cell to make sure the safety on shipment, we could use wooden box or pallet as buyer's preference.
⑥ Can you do OEM for us?
Yes, we can.
R & D of Solar Electric Cell Closes to the market
Currently, the whole solar electric cell industry face with overcapacity, and actively expand the consumer sector will undoubtedly become an important means to resolve its excess production capacity.
In many cells, photovoltaic power generation module neatly arranged on the carport, the roof, sunny days to convert solar energy into electricity, supplying carport or household use, excess electricity can also be sold to the national grid and increase revenue.
In rural areas, the solar cell application prospect is very broad. As technology advances and changes in consumption concept, the solar cell is constantly "downsizing" has become an important feature for portable products and selling points.
The most common solar electric cell is the portable mobile power. By convert light energy into electrical energy and stored in the built-in lithium battery, solar mobile power can give mobile phones, digital cameras, tablet PCs and other products charge, both energy-saving and environmentally friendly.
Today, more and more people use solar electric energy products. These are stylish low-carbon products, as well as fun. College students said. She took a creative foldable solar lighting, lighting the top of the solar panels to provide electricity for a rainy day, folded and portable features and provides the possibility for outdoor use.
The development of mobile solar energy is a major opportunity for the industry. Mobile Energy as mobile communications and mobile Internet +, like, will change the traditional energy production and consumption patterns, so that the traditional centralized power into each individual can generate electricity, energy will be everywhere.
There are characteristics of distributed generation PV products, especially flexible products, and intelligent terminal products should be combined. When the arrival of the era of mobile energy, we will each bag, tent, clothes, utilities and electronic products are distributed by a flexible technological transformation and innovation, moving only the energy market in 2020 can reach the level of 1 trillion dollars.
- Q: How do solar cells generate electricity?
- Solar cells generate electricity through the photovoltaic effect, where sunlight photons excite electrons in the cell's semiconductor material, creating a flow of electric current.
- Q: Can solar cells be used in aircraft applications?
- Yes, solar cells can be used in aircraft applications. They can be integrated into the structure of an aircraft to generate electricity from sunlight, which can power various onboard systems such as lighting, communication equipment, and navigation instruments. Additionally, solar cells can also be used to charge batteries in electric aircraft or unmanned aerial vehicles (UAVs), extending their flight time and reducing reliance on traditional fuel sources.
- Q: Can solar cells be used in powering medical devices?
- Yes, solar cells can be used to power medical devices. Solar cells convert sunlight into electricity, which can be stored in batteries and used to power various medical devices such as portable health monitors, defibrillators, or even prosthetic limbs. This can be especially useful in remote areas or during emergencies where access to a reliable power source may be limited.
- Q: How do solar cells perform in areas with high levels of chemical pollutants?
- Solar cells may experience a decrease in performance in areas with high levels of chemical pollutants due to the reduced intensity of sunlight reaching the cells. The presence of pollutants in the atmosphere can block or scatter sunlight, leading to a decrease in the amount of energy absorbed by the solar cells. This can result in a reduction in the efficiency of solar panels and a decrease in their overall power output. Regular cleaning and maintenance of the solar panels can help mitigate the negative impact of chemical pollutants on their performance.
- Q: How does the photovoltaic cells work?
- Photovoltaic cells use the photovoltaic effect to convert sunlight directly into electric current and voltage.
- Q: What is the environmental impact of manufacturing solar cells?
- The environmental impact of manufacturing solar cells is relatively low compared to other forms of energy production. While the production process does require energy and resources, such as silicon, metals, and chemicals, it is offset by the clean energy the solar cells generate throughout their lifespan. Additionally, advancements in manufacturing techniques have significantly reduced the environmental footprint of solar cell production in recent years. Overall, the environmental benefits of using solar cells for clean energy generation outweigh the impact of their manufacturing.
- Q: Can solar cells be used to power streetlights?
- Yes, solar cells can be used to power streetlights. Solar-powered streetlights use solar panels to convert sunlight into electricity, which is then stored in batteries. This stored energy is used to power the streetlights during the night, making them an eco-friendly and cost-effective lighting solution.
- Q: What is the role of solar cells in powering electric vehicles?
- Solar cells play a crucial role in powering electric vehicles by converting sunlight into electricity. They are typically installed on the surface of the vehicle, such as the roof or hood, and capture solar energy to charge the vehicle's battery. While solar cells alone may not provide sufficient power to fully drive an electric vehicle, they can help extend its range and reduce dependence on the electrical grid.
- Q: Is it complicated to make a solar cell work well?
- My chemistry teacher told me that as long as you have enough knowledge, you can make a solar cell work very well.
- Q: How do solar cells affect the environment?
- Solar cells have a positive impact on the environment as they generate electricity from a renewable source, the Sun, without emitting greenhouse gases or harmful pollutants. This reduces reliance on fossil fuels, mitigates air and water pollution, and contributes to the fight against climate change. Additionally, solar energy does not require water for operation, which helps conserve this precious resource. Although there are some environmental concerns related to the production and disposal of solar cells, the overall benefits greatly outweigh these drawbacks.
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Wholesale China Solar Cells Polycrystalline Solar Cells with Low Price
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 pc
- Supply Capability:
- 8000000 pc/month
OKorder Service Pledge
OKorder Financial Service
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