Polycrystalline Solar Cells A GRADE-17.10
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- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 5000 pc
- Supply Capability:
- 8000000 pc/month
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- Quality Product
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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.
Advantage of Polycrystalline Solar Cells
1.Tire-1 Solar Cells’ Manufacturer Quality Guarantee. With a complete and sophisticated quality government system, our Quality Management have arrived world’s leading place. Customer can receive Tire-1 Cells Maker’s Quality Standard Products.
2.Trusted Warranty. We can supply trusted after-sales service to our customer. If our cells are found not in conformity to the specification of manufacturer, or should the inspected quantity found in shortage, or should the packing found damaged, the buyer has the right to claim to the seller. The claim, if any, should be presented to seller within 30 days after cargo's arrival date to the port, together with related inspection report and photos issued and provided by a reputable independent surveyor such as SGS.
3. World’s Leading Manufacturer Equipment. We imported the newest and leading production equipment from abroad. Advanced equipment can guarantee the stable quality of cells. Auto production line can also save labor cost which will further cut our production cost.
Bulk supply: With the production capacity of 500MW, we can produce large quantity every month. This can satisfy most customer requirement.
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.
Solar cells, also called photovoltaic (PV) cells by scientists, It is an electrical device that converts the energy of light directly into electricity . PV gets its name from the process of converting light (photons) to electricity (voltage), which is called the PV effect. The PV effect was discovered in 1954, when scientists at Bell Telephone discovered that silicon (an element found in sand) created an electric charge when exposed to sunlight. Soon solar cells were being used to power space satellites and smaller items like calculators and watches.
Traditional solar cells are made from silicon, are usually flat-plate, and generally are the most efficient. Second-generation solar cells are called thin-film solar cells because they are made from amorphous silicon or nonsilicon materials such as cadmium telluride. Thin film solar cells use layers of semiconductor materials only a few micrometers thick. Because of their flexibility, thin film solar cells can double as rooftop shingles and tiles, building facades, or the glazing for skylights. Third-generation solar cells are being made from a variety of new materials besides silicon, including solar inks using conventional printing press technologies, solar dyes, and conductive plastics. Some new solar cells use plastic lenses or mirrors to concentrate sunlight onto a very small piece of high efficiency PV material. The PV material is more expensive, but because so little is needed, these systems are becoming cost effective for use by utilities and industry. However, because the lenses must be pointed at the sun, the use of concentrating collectors is limited to the sunniest parts of the country.
Today, thousands of people power their homes and businesses with individual solar PV systems. Utility companies are also using PV technology for large power stations. Solar panels used to power homes and businesses are typically made from solar cells combined into modules that hold about 40 cells. A typical home will use about 10 to 20 solar panels to power the home. The panels are mounted at a fixed angle facing south, or they can be mounted on a tracking device that follows the sun, allowing them to capture the most sunlight. Many solar panels combined together to create one system is called a solar array. For large electric utility or industrial applications, hundreds of solar arrays are interconnected to form a large utility-scale PV system.
- Q:
- Yes, solar cells can be used to charge electric vehicles. Solar panels can convert sunlight into electricity, which can then be used to charge the batteries of electric vehicles. This allows for sustainable and renewable energy sources to power electric vehicles, reducing reliance on fossil fuels and decreasing carbon emissions.
- Q:
- Junction boxes in solar cell systems serve as a crucial component for electrical connections and system protection. They are responsible for housing and safeguarding the electrical connections between solar panels, allowing the flow of electricity to and from the panels. Additionally, junction boxes play a vital role in preventing damage from environmental factors such as moisture, dust, and excessive heat.
- Q:
- Solar cells handle fluctuating sunlight intensity through a process called maximum power point tracking (MPPT). MPPT technology ensures that solar cells are able to continuously optimize their performance and output power by constantly adjusting the electrical load to match the varying sunlight conditions. This allows solar cells to efficiently convert sunlight into electricity, even when the intensity of sunlight changes throughout the day or due to weather conditions.
- Q:
- No, solar cells cannot store energy for later use. They convert sunlight directly into electricity in real-time and do not have the capability to store the generated energy.
- Q:Is the Solar Power Photovoltaic Cells the same as PV cells modules?
- Yes it is, nowadays, we even construct the PV power plant, which is a solar power generation, intelligent temperature control, modern high-tech plant as one of the photovoltaic power generation system.
- Q:
- The role of solar cells in powering electric fences is to convert sunlight into electrical energy, which is then stored in batteries. This stored energy is used to power the electric fence, providing a continuous and reliable source of electricity without the need for a traditional power source or connection to the electrical grid.
- Q:
- Solar cells can perform well in urban environments, although their efficiency may be slightly reduced compared to rural or open areas due to factors like shading from buildings and pollution. However, advancements in technology and design have made urban solar installations more efficient by utilizing innovative mounting options and optimizing solar panel angles. Additionally, the increasing number of rooftop solar installations in cities has enabled effective utilization of available space and contributed to the growth of renewable energy in urban areas.
- Q:What diode does the solar panel use?
- Or part of the shadow to the battery in the anti-output and power consumption according to the known solar modules suitable for the voltage range. Are in the Schottky diode conduction
- Q:
- The role of tracking systems in solar cell installations is to optimize the amount of sunlight that reaches the solar panels throughout the day. These systems continuously monitor the position of the sun and adjust the orientation and tilt of the panels accordingly. By tracking the sun's movement, the panels can capture more sunlight and generate higher energy output, increasing the overall efficiency of the solar cell installation.
- Q:The working principle of solar cells includes the three processes
- The opposite of the electrical symbol of the photogenerated carriers in the solar cell pn junction built under the action of the electric field, the electron-hole pairs are separated, the electrons are concentrated on one side, the holes are concentrated on the other side, and the opposite sex charges are generated on both sides of the pn junction Of the accumulation, resulting in photogenerated electromotive force, that is, photovoltaic voltage.
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