Wholesale China Solar Cells Polycrystalline Solar Cells with Low Price
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- Shanghai
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- 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:What is the role of solar cells in solar-powered water heaters?
- The role of solar cells in solar-powered water heaters is to convert sunlight into electricity. These solar cells, also known as photovoltaic cells, capture the sun's energy and convert it into direct current (DC) electricity. This electricity is then used to power the water heater, which heats the water using the sun's energy. By harnessing the power of the sun, solar cells enable the water heater to operate without relying on traditional energy sources, making it more sustainable and environmentally friendly.
- Q:What is the average cost of a solar cell?
- The average cost of a solar cell varies depending on factors such as the type of cell, its efficiency, and the size of the installation. However, as of 2021, the average cost is approximately $0.30 to $0.40 per watt for residential installations and $0.20 to $0.30 per watt for utility-scale installations. It's important to note that these costs have been decreasing over the years due to advancements in technology and increased adoption of solar energy.
- Q:What is the impact of shadows on solar cell performance?
- Shadows have a negative impact on solar cell performance as they reduce the amount of sunlight reaching the cells, thereby decreasing their efficiency in converting sunlight into electricity. Shadows can create hotspots on the cells, leading to potential damage and reduced lifespan. It is crucial to ensure that solar panels are installed in areas with minimal shading to maximize their performance and energy generation.
- Q:What are the applications of solar cells?
- communication / communication field: solar unattended microwave relay station, optical cable maintenance station, radio / communication / paging power system; rural carrier telephone photovoltaic system, small communication machine, soldiers GPS power supply.
- Q:24V 200W solar cells can charge 12V battery?
- Please be assured that bold direct charge to ensure that nothing is ok. If the heart is not a few words to find a 0-20 amps ammeter to measure the charging current, Ye Hao master the charging time.
- Q:What is the role of solar cells in powering data centers?
- Solar cells play a crucial role in powering data centers by harnessing the sun's energy and converting it into electricity. These cells, also known as photovoltaic cells, generate clean and renewable energy that can be used to fulfill a significant portion of a data center's power requirements. By utilizing solar power, data centers can reduce their reliance on traditional fossil fuel-based energy sources, minimize their carbon footprint, and contribute to a more sustainable and environmentally friendly approach to powering their operations.
- Q:Can solar cells be used for powering universities?
- Yes, solar cells can be used to power universities. Solar power systems, consisting of solar panels and batteries, can generate electricity from sunlight and store it for use in powering various university facilities such as classrooms, laboratories, offices, and dormitories. By utilizing solar energy, universities can reduce their dependence on traditional energy sources, lower their carbon footprint, and potentially save on electricity costs in the long run.
- Q:Can solar cells be used for powering oil rigs?
- Yes, solar cells can be used for powering oil rigs. They provide a clean and renewable energy source that can be harnessed to generate electricity for various operations on the rig, reducing reliance on traditional fossil fuel-based generators.
- Q:What is the environmental impact of solar cell production?
- The environmental impact of solar cell production is generally considered to be lower compared to other forms of energy production. While the production of solar cells does require the extraction and processing of raw materials, such as silicon, the overall carbon footprint and pollution associated with solar panel manufacturing is significantly lower compared to fossil fuel-based energy sources. Additionally, solar panels have a long lifespan and produce clean, renewable energy once installed, which helps offset the initial environmental impact of their production.
- Q:What is the role of solar cells in powering emergency response systems?
- Solar cells play a crucial role in powering emergency response systems by converting sunlight into electricity. This renewable energy source ensures a continuous and reliable power supply, allowing emergency response systems to function independently during disasters or in remote areas where grid power might be unavailable. Solar cells provide a sustainable and environmentally friendly solution, reducing the reliance on fossil fuels and ensuring the efficiency and effectiveness of emergency response operations.
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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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