China Polycrystalline Solar Cells With High Quality and Stable Quality

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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

China Polycrystalline Solar Cells With High Quality and Stable Quality

 

Solar Panel Images:

China Polycrystalline Solar Cells With High Quality and Stable Quality

China Polycrystalline Solar Cells With High Quality and Stable Quality

China Polycrystalline Solar Cells With High Quality and Stable Quality

 

China Polycrystalline Solar Cells With High Quality and Stable Quality

 

China Polycrystalline Solar Cells With High Quality and Stable Quality

 

 

 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.

 

 

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.

  


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Q:What is the working principle of a solar cell?
It's not easy to explain in a simple way.
Q:I am working on research for the usage of solar cells, where can I find more news of solar cells?
www.solardaily.com could be the website that you are looking for.
Q:How can I describe solar cells in a simple way?
The batteries used on the solar panel.
Q:I bought a new poly solar cells, and the test result of the conversion efficiency is 16.8%, is it lower than usual?
Since you mentioned that your poly solar cells is a newly bought one, I strongly recommend you to ask your supplier.
Q:What is a polymer solar cell and how does it work?
Polymer cells are actually a type of thin film solar cell,
Q:How does a solar cell raise industrial efficiency?
Solar Cell Efficiency refers to the portion of energy in the form of sunlight that can be converted via photovoltaics into another more useful form, namely electricity.
Q:We are currently promoting our one of our solar cells seriers, which is the 156mmx156mm 6inch,2BB/3BB polycrystalline/multi solar cells,mono solar cell,made in Taiwan/Germany, please feel free to contact me if any interest.
I am now in the process of purchasing some mono solar cells, can you send me more details of the product?
Q:Is the polymer solar cell the cheapest type among all the different kinds of solar cells?
Compared to the other solar cell made of the expensive silicon, polymer solar cells are cheaper.
Q:Have you ever been to a solar cell power generation station?
I know a company named SUNPOWER is famous for that.
Q:Is the solar cells factory in China good and trustworthy?
We are a foreign company selling the solar cells all over the world, we actually set up our solar cell factory in China 5 years ago, and it turns out to be very good.

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