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:Can solar cells be used for powering irrigation systems?
- Yes, solar cells can be used to power irrigation systems. Solar panels can generate electricity from sunlight, which can then be used to power the pumps and other components of irrigation systems. This renewable energy source is environmentally friendly and can provide a reliable and sustainable solution for powering irrigation systems in remote areas or locations without access to conventional power sources.
- Q:What is the typical size and weight of a solar cell?
- The typical size of a solar cell can vary depending on its application, but a standard residential solar panel is usually around 65 inches by 39 inches, with a thickness of about 1.5 inches. In terms of weight, a typical solar cell can weigh anywhere from 40 to 50 pounds.
- Q:Is the Photovoltaic cell panel good to save the energy?
- Photovoltaic cell panel, known as solar panels, are assembled by a number of solar modules in a certain way on a plate, usually as a unit of photovoltaic array. They are very good in saving the energy.
- Q:Can solar cells be used in water purification systems?
- Yes, solar cells can be used in water purification systems. Solar cells can generate electricity from sunlight, which can power various components of water purification systems such as pumps, filters, and disinfection processes. This enables the system to operate independently from the grid, making it suitable for remote or off-grid locations. Additionally, solar energy is a clean and sustainable power source, aligning with the environmentally-friendly nature of water purification processes.
- Q:Can solar cells be used to power satellites?
- Yes, solar cells can be used to power satellites. In fact, they are the primary source of power for most satellites in space. Solar cells convert sunlight into electricity, which is then used to power the satellite's systems and equipment.
- Q:Can solar cells be used in cloudy or rainy weather?
- Yes, solar cells can still generate electricity in cloudy or rainy weather, although their efficiency may be reduced compared to sunny conditions.
- Q:Are solar cells recyclable?
- Yes, solar cells are recyclable. They contain valuable materials like silicon, glass, and metal, which can be extracted and reused. Recycling solar cells helps reduce waste and conserves resources.
- Q:How do solar cells perform in areas with frequent thunderstorms?
- Solar cells can still perform efficiently in areas with frequent thunderstorms, although their performance may be affected during periods of heavy cloud cover or rainfall. Thunderstorms can temporarily reduce sunlight exposure, leading to a decrease in solar cell output. However, solar cells are designed to withstand various weather conditions, and their performance can quickly recover once the storms pass. Additionally, advancements in solar technology, such as the use of anti-reflective coatings and improved cell designs, help to enhance performance even in less ideal weather conditions.
- Q:Can solar cells be used in powering RVs and campers?
- Yes, solar cells can definitely be used to power RVs and campers. In fact, many RVs and campers are now equipped with solar panels to generate electricity for various appliances and systems onboard. Solar power provides a sustainable and environmentally-friendly option for off-grid living, allowing RV and camper owners to have a constant source of clean energy while being able to travel and explore remote locations without relying solely on traditional power sources.
- Q:The working principle of solar cells includes the three processes
- In the solar cell pn junction on both sides of the lead-out electrode, and connected to the load, then in the external circuit that is generated by the photogenerated current to obtain power output, so that solar cells put solar (or other light) directly into electrical energy
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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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