Poly 156X156mm2 Solar Cells Made in Class 2BB

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3999 watt
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6000000 watt/month

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Product Description:

 

The operation of a photovoltaic (PV) cell requires 3 basic attributes:

 

The absorption of light, generating either electron-hole pairs or excitons.

The separation of charge carriers of opposite types.

The separate extraction of those carriers to an external circuit.

In contrast, a solar thermal collector supplies heat by absorbing sunlight, for the purpose of either direct heating or indirect electrical power generation from heat. A "photoelectrolytic cell" (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination.Characteristic of Mono 156X156MM2 Solar Cells

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Adaptive cells change their absorption/reflection characteristics depending to respond to environmental conditions. An adaptive material responds to the intensity and angle of incident light. At the part of the cell where the light is most intense, the cell surface changes from reflective to adaptive, allowing the light to penetrate the cell. The other parts of the cell remain reflective increasing the retention of the absorbed light within the cell.[67]

 

In 2014 a system that combined an adaptive surface with a glass substrate that redirect the absorbed to a light absorber on the edges of the sheet. The system also included an array of fixed lenses/mirrors to concentrate light onto the adaptive surface. As the day continues, the concentrated light moves along the surface of the cell. That surface switches from reflective to adaptive when the light is most concentrated and back to reflective after the light moves along

 

Mechanical data and design

Format

156mm x   156mm±0.5mm

Thickness

210μm±40μm

Front(-)

1.5mm   bus bar (silver),blue anti-reflection   coating (silicon nitride)

Back (+)

2.5mm   wide  soldering pads (sliver)   back surface field (aluminium)

Temperature Coefficient of Cells

Voc.   Temp.coef.%/K

-0.35%

Isc.   Temp.coef .%/K

+0.024%/K

Pm.Temp.coef.   %/K

-0.47%/K

 

Electrical Characteristic

Effiency(%)

Pmpp(W)

Umpp(V)

Impp(A)

Uoc(V)

Isc(A)

FF(%)

18.35

4.384

0.526

8.333

0.63

8.877

78.39%

18.20

4.349

0.526

8.263

0.63

8.789

78.54%

18.05

4.313

0.525

8.216

0.63

8.741

78.32%

17.90

4.277

0.524

8.161

0.625

8.713

78.04%

17.75

4.241

0.523

8.116

0.625

8.678

77.70%

17.60

4.206

0.521

8.073

0.625

8.657

77.36%

17.45

4.170

0.519

8.039

0.625

8.633

76.92%

17.30

4.134

0.517

8.004

0.625

8.622

76.59%

17.15

4.096

0.516

7.938

0.625

8.537

76.80%

17.00

4.062

0.512

7.933

0.625

8.531

76.18%

16.75

4.002

0.511

7.828

0.625

8.499

75.34%

16.50

3.940

0.510

7.731

0.625

8.484

74.36%

 

 

 

Poly 156X156mm2 Solar Cells Made in Class 2BB

Poly 156X156mm2 Solar Cells Made in Class 2BB

Poly 156X156mm2 Solar Cells Made in Class 2BB

Poly 156X156mm2 Solar Cells Made in Class 2BB

Poly 156X156mm2 Solar Cells Made in Class 2BBFAQ

Q: What price for each watt?

A: It depends on the quantity, delivery date and payment terms, generally Large Quantity and Low Price

Q: What is your size for each module? Can you tell me the Parameter of your module?

A: We have different series of panels in different output, both c-Si and a-Si. Please take the specification sheet for your reference.

Q: What is your size for each module? Can you tell me the Parameter of your module?

A: We have different series of panels in different output, both c-Si and a-Si. Please take the specification sheet for your reference.

 

 

A solar cell is an electronic device which directly converts sunlight into electricity. Light shining on the solar cell produces both a current and a voltage to generate electric power. This process requires firstly, a material in which the absorption of light raises an electron to a higher energy state, and secondly, the movement of this higher energy electron from the solar cell into an external circuit. The electron then dissipates its energy in the external circuit and returns to the solar cell. A variety of materials and processes can potentially satisfy the requirements for photovoltaic energy conversion, but in practice nearly all photovoltaic energy conversion uses semiconductor materials in the form of a p-n junction.

Poly 156X156mm2 Solar Cells Made in Class 2BB

The basic steps in the operation of a solar cell are:

the generation of light-generated carriers;

the collection of the light-generated carries to generate a current;

the generation of a large voltage across the solar cell; and

the dissipation of power in the load and in parasitic resistances.

Solar cells are structured in layers with different functions. The working principle is the same as in semiconductors. 

 Poly 156X156mm2 Solar Cells Made in Class 2BB

The main part of a silicon (Si) solar cell generating solar power is formed by two differently doped (n- and p-) silicon layers. A physical barrier is created between them along the p-/n- junction, with electrons and holes diffusing into regions of lower concentration.

 

This depleted region or space charge region can only be overcome with the help of photons i.e. sunlight.

 

To be able to channel electrones and holes and generate electric power, metal contacts need to be printed onto the front and rear side. Generally, a full aluminium or silver layer is screenprinted onto the rear. A thin grid forms the front contact keeping the impact on light entering the silicon cells as low as possible.

 Poly 156X156mm2 Solar Cells Made in Class 2BB

To reduce light reflection, a thin film of silicon nitride or titanium dioxide is coated onto the surface.


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Q:What is a monocrystalline Silicon Solar Cells?
Monocrystalline photovoltaic electric solar energy panels have been the go-to choice for many years. They are among the oldest, most efficient and most dependable ways to produce electricity from the sun.
Q:How can the huge solar cells be applied into the market?
The huge solar cells, compared to the small one, can be more useful in some industries, such as the big factories consuming too much electricity per day.
Q:What is the working principle of a solar cell?
A Solar cell works by using the sun's energy to enable electrons in semiconducting materials to move from orbits close to the nuclei of their atoms to higher orbits where they can conduct electricity.
Q:I bought a new poly solar cells, and the test result of the conversion efficiency is 16.8%, is it lower than usual?
If the solar cells have been used for over 5 years or more, the conversion efficiency may become lower.
Q:What is the difference between polysilicon and monocrystalline silicon photovoltaic cells?
Monocrystalline silicon cells with high battery conversion efficiency, good stability, but the higher cost. Polycrystalline silicon cells are less costly and slightly lower in conversion efficiency than straight-drawn monocrystalline silicon solar cells, with various defects in materials such as grain boundaries, dislocations, microdefections, and impurity carbon and oxygen in materials, as well as tarnished during process Transition metal.
Q:How does the photovoltaic cells work?
Simply put, a solar panel works by allowing photons, or particles of light, to knock electrons free from atoms, generating a flow of electricity.
Q:What are the tin bands, sinks and interconnections used on solar modules, and what are the solar cells used in the solar cells?
At present, the general crystal silicon cells using p-type silicon, in the phosphorus diffusion process, the two sides of the silicon and the edge will be phosphorus doping.
Q:How do solar cells work to become the solar energy?
The solar cells need to work by converting a certain material into another useful energy. That's how we can utilize the solar energy into our life and factories.
Q:Why is the solar cell produced by DC
The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region.
Q:Silicon solar cell power generation principle
Refers to the phenomenon of the object due to the absorption of photons and the phenomenon of electromotive force, when the object is subject to light, the object within the charge distribution state changes in the electromotive force and current generated an effect. Strictly speaking, including two types:

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