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:Anybody ever heard of thin film solar cell? What it that?
Thin film solar cell is a kind of solar cell which is cheaper than the others.
Q:Is that true that the price of solar cells will be reduced in the coming year?
There are some policy change from the central government that financial subsidies of purchasing solar cells from the government will be lowered compared to last year. This could be a big reason for the price going down.
Q:What is 3d solar cell? And anybody know any manufacturers?
I don’t know exactly what 3d solar cell is, but I heard that it can produce 200% of the power output of conventional solar cells.
Q:Is the Photovoltaic Cells cheap to buy?
Photovoltaic Cells is cheaper than some kinds of solar cells because of the material that made of the Photovoltaic Cells is low cost one.
Q:How can the huge solar cells be applied into the market?
If you are just using power supply for daily usage, such as a family of 6, you don’t need the huge solar cells.
Q:What kind of products can be considered as the solar cell products?
Solar cell product, as simple as it is, is the products which is made of solar cell, or generated by the power converting from solar cells.
Q:Which one is better on the solar cells panel? The Monocrystal Solar Energy Cell or photovoltaic cell?
Since most of people I know, the function of the solar cell is for some home-based lighting and watching TV, it doesn't really matters if it is Single crystal silicon or polycrystalline silicon solar energy cell.
Q:What can be used as the materials for solar cells?
TPT
Q:Can anybody tell me the power supply of the home solar cell?
You should first look at your situation, and see how much equipment you are running. Then you can decide the power supply of the solar cells at home.
Q:How to get high voltage and high current output of solar cells?
If you want to get the high voltage and high current output of the solar cells, you can put them in serial and serial-parallel approaches.

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