Wholesale China Solar Cells Polycrystalline Solar Cells with Low Price

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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

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

 

Solar Panel Images:

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

 

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

 

 

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price

Wholesale China Solar Cells Polycrystalline Solar Cells  with Low Price


 

 FAQ

We have organized several common questions for our clientsmay help you sincerely

What price for each watt?

It depends on the efficiency of the solar cell, quantity, delivery date and payment terms.

How 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.

Can 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.

What 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

• How 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.

 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.

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Q:What is the best way to deal with surplus solar cells abandoned after burning?
It could be a very good resource to be used, but the technology needs to be more advanced to really deal with that.
Q:Where can I help my company to buy the 3 Busbar Solar Cell for our project?
Maybe you would like to check this out; Solarworld Brands Mono 3-Busbar Solar Cell Made in Germany. Is this what you are looking for?
Q:What is sun cells technology?
Sun cells use high technology to change the sun's light energy into electrical energy. The sun cells can be used in the industries such as satellites, navigation lights, transistor radios and other power supply services.
Q:How many solar cells are there in a solar panel?
20?
Q:Whether the solar cell is light can produce electricity
Solar cells, also known as "solar chips" or "photovoltaic cells", is a direct use of solar photovoltaic power semiconductor thin film.
Q:I am a purchasing manager for a EPC engineering company, and we are planning to purchasing some 4bb solar cells for one of our project in Taiwan, can I get a quotation online?
We do have 4bb solar cells, but we also have 125Mono &156 Multi&Mono 2BB&3BB&4BB A grade solar cell.
Q:What's the benefit of using a solar cell?
It can decrease the damage to our environment.
Q:How to manufacture solar cells?
If you want to know more about photovoltaic cell manufacture, you should look on Wikipedia.
Q:Is the Photovoltaic cell panel good to save the energy?
There is no doubt that the photovoltaic cell panel is very useful and efficient in saving the power in human's life, not only daily life but in other industries.
Q:Where can I buy solar cells?
Actually you can rent one, no need to buy one.

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