High-Quality Polycrystalline Solar Roof Shingles with Stable Quality
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 PCS
- Supply Capability:
- 8000000 PCS/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.
In today's energy shortage situation, countries have stepped up the pace of development of photovoltaic. United States proposed "solar pilot project" are intended to reduce the cost of solar photovoltaic power generation to 2015 levels of commercial competition; Japan also made a total power generation of PV reached 28GW in 2020. In the context of the development of low-carbon economy, governments’ acceptance of photovoltaic power generation increased gradually.
Applications of Solar Cell Huge:
1. Traffic areas, such as beacon lights, traffic / railway signal lamps, traffic warning / marker lamps, lights, altitude obstacle light, highway / railway wireless telephone booth, unattended Road class power supply.
2. Communication / communication field: Solar unattended microwave relay stations, cable maintenance stations, broadcasting / communication / paging power system; rural telephone carrier photovoltaic systems, small communication equipment, soldiers GPS power supply.
3. Petroleum, marine, meteorology areas: oil pipelines and reservoirs gate cathodic protection solar power systems, oil drilling platform life and emergency power supply, marine testing equipment, meteorological / hydrological observation equipment.
4. Household lighting power supply: such as garden lights, street lamps, portable lamps, camping lamps, light hiking, fishing lamp, black light, tapping lights, energy saving lamps.
5. The PV power plant: 10KW-50MW independent photovoltaic power plants, scenery (CHAI) complementary power plants, various large parking with charging stations.
6. Solar building solar power and building materials, renders the future of large buildings to achieve electricity self-sufficiency is a major development direction of the future.
7. Other areas include: (1) supporting the car: solar car / electric vehicle battery charging equipment, automobile air conditioners, ventilation fans, cold boxes, and so on; (2) solar hydrogen fuel cell power generation system of regeneration; (3) seawater desalination equipment supply; (4) satellite, spacecraft, space solar power stations.
- Q: Can solar cells be used to power medical devices or implants?
- Yes, solar cells can be used to power medical devices or implants. Solar-powered medical devices or implants can provide a sustainable and renewable source of energy, reducing the need for regular battery replacements or external power sources. This can be particularly beneficial in remote or resource-limited areas where access to electricity may be limited. Additionally, solar-powered medical devices offer the advantage of being environmentally friendly and can contribute to reducing the carbon footprint of healthcare systems.
- Q: Can solar cells be used in space heating systems?
- Yes, solar cells can be used in space heating systems. Solar panels, which consist of solar cells, can convert sunlight into electricity. This electricity can then be used to power space heating systems, either directly or through storage in batteries. Additionally, solar thermal systems can use solar energy to heat water or air, which can then be used for space heating purposes.
- Q: What is the maximum efficiency possible for a solar cell?
- The maximum efficiency possible for a solar cell, also known as the Shockley-Queisser limit, is approximately 33.7%.
- Q: Can solar cells be used in commercial buildings?
- Yes, solar cells can be used in commercial buildings. They are increasingly being installed on rooftops and facades of commercial buildings to generate clean and renewable energy. Solar cells help reduce electricity costs and reliance on the grid while also contributing to the overall sustainability and environmental footprint of commercial buildings.
- Q: Can solar cells be used in sports stadiums or arenas?
- Yes, solar cells can be used in sports stadiums or arenas. They can be installed on the roof or integrated into the facade to harness solar energy and generate electricity. This renewable energy source can help power the stadium's operations, reducing reliance on traditional energy sources and decreasing carbon emissions.
- Q: Can solar cells be used to power large-scale industrial facilities?
- Yes, solar cells can indeed be used to power large-scale industrial facilities. With advancements in solar technology and the availability of more efficient and cost-effective solar panels, industrial facilities can harness the power of the sun to meet their energy needs. Large-scale solar installations, such as solar farms or rooftop arrays, can generate substantial amounts of electricity, making them a viable option for powering industrial operations. Additionally, integrating solar power into industrial facilities can reduce greenhouse gas emissions, lower energy costs, and provide a more sustainable and reliable energy source.
- Q: What is the role of bypass diodes in solar cell systems?
- The role of bypass diodes in solar cell systems is to prevent the damage caused by shading or partial shading of the solar panels. These diodes provide an alternate path for the current to flow when some portions of the solar panels are shaded, ensuring that the rest of the panels can still generate electricity efficiently. By diverting the current around the shaded area, bypass diodes help to maintain the overall performance and reliability of the solar cell system.
- Q: How do solar cells perform in areas with high levels of air humidity?
- Solar cells typically perform less efficiently in areas with high levels of air humidity. This is because the moisture in the air can create a barrier that reduces the amount of sunlight reaching the cells, thus decreasing their overall performance. Additionally, the moisture can cause corrosion and damage to the cells over time, further impacting their efficiency. However, advancements in solar cell technology are continually being made to address these issues and improve their performance in humid environments.
- Q: What is the impact of leaf litter on solar cell performance?
- Leaf litter can have a negative impact on solar cell performance as it can block sunlight from reaching the surface of the cells, reducing their efficiency and overall power output. Additionally, the buildup of leaf litter can also lead to overheating and potential damage to the solar panels. Regular cleaning and maintenance of solar panels are crucial to ensure optimal performance and maximize energy generation.
- Q: How do solar cells perform in areas with high levels of dust storms?
- Solar cells can experience reduced performance in areas with high levels of dust storms. The accumulation of dust on the surface of solar panels can block sunlight and reduce the amount of energy they can generate. Regular cleaning and maintenance are necessary to ensure optimal performance in such regions.
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High-Quality Polycrystalline Solar Roof Shingles with Stable Quality
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 PCS
- Supply Capability:
- 8000000 PCS/month
OKorder Service Pledge
OKorder Financial Service
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