• Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8% System 1
  • Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8% System 2
  • Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8% System 3
Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8%

Solar Cell High Quality A Grade Cell Polyrystalline 5v 16.8%

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Shanghai
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1000 pc
Supply Capability:
100000 pc/month

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Specifications

hot sale solar cell 
1.16.8%~18.25% high efficiency 
2.100% checked quality 
3.ISO9001/ISO14001/TUV/CE/UL 
4.stable performance 


We can offer you the best quality products and services, don't miss !

 

POLY6'(156*156)

Polycrystalline Silicon Solar cell

 

Physical  Characteristics   

 

Dimension:     156mm×156mm±0.5mm

Diagonal:          220mm±0.5mm

Thickness(Si):  200±20 μm

 

Front(-)                                                              Back(+)

Blue anti-reflecting coating (silicon nitride);            Aluminum back surface field;

1.5mm wide bus bars;                                            2.0mm wide soldering pads;

Distance between bus bars: 51mm .                     Distance between bus bars :51mm .

 

Electrical Characteristics 

Efficiency(%)

18.00

17.80

17.60

17.40

17.20

16.80

16.60

16.40

16.20

16.00

15.80

15.60

Pmpp(W)

4.33

4.29

4.24

4.19

4.14

4.09

4.04

3.99

3.94

3.90

3.86

3.82

Umpp(V)

0.530

0.527

0.524

0.521

0.518

0.516

0.514

0.511

0.509

0.506

0.503

0.501

Impp(A)

8.159

8.126

8.081

8.035

7.990

7.938

7.876

7.813

7.754

7.698

7.642

7.586

Uoc(V)

0.633

0.631

0.628

0.625

0.623

0.620

0.618

0.617

0.615

0.613

0.611

0.609

Isc(A)

8.709

8.677

8.629

8.578

8.531

8.478

8.419

8.356

8.289

8.220

8.151

8.083

 

Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8%


MONO5'(125*125mm)165

Monocrystalline silicon solar cell

 

Physical  Characteristics 

Dimension: 125mm×125mm±0.5mm

Diagonal: 165mm±0.5mm

Thickness(Si): 200±20 μm

 

Front(-)                                                                         Back(+)                                                                                                                                                                                                                                    

Blue anti-reflecting coating(silicon nitride);                        Aluminum back surface field;

1.6mmwide bus bars;                                                        2.5mm wide soldering pads;

Distance between bus bars: 61mm .                                Distance between bus bars :61mm .

 

Electrical Characteristics 

 

Efficiency(%)

19.40

19.20

19.00

18.80

18.60

18.40

18.20

18.00

17.80

17.60

17.40

17.20

Pmpp(W)

2.97

2.94

2.91

2.88

2.85

2.82

2.79

2.76

2.73

2.70

2.67

2.62

Umpp(V)

0.537

0.535

0.533

0.531

0.527

0.524

0.521

0.518

0.516

0.515

0.513

0.509

Impp(A)

5.531

5.495

5.460

5.424

5.408

5.382

5.355

5.328

5.291

5.243

5.195

4.147

Uoc(V)

0.637

0.637

0.636

0.635

0.633

0.630

0.629

0.629

0.628

0.626

0.626

0.625

Isc(A)

5.888

5.876

5.862

5.848

5.839

5.826

5.809

5.791

5.779

5.756

5.293

5.144

 

Solar Cell High Quality  A Grade Cell Polyrystalline 5v 16.8%

 

FAQ:

Q:How can i get some sample?

A:Yes , if you want order ,sample is not a problem.

 

Q:How about your solar panel efficency?

A: Our product  efficency  around 17.25%~18.25%.

 

Q:What’s the certificate you have got?

A: we have overall product certificate of ISO9001/ISO14001/CE/TUV/UL


Q:What is the expected efficiency improvement for quantum dot solar silicon wafers?
The expected efficiency improvement for quantum dot solar silicon wafers is significant. These wafers have the potential to enhance solar cell efficiency by allowing them to capture a broader range of sunlight wavelengths, which traditional silicon wafers cannot efficiently utilize. Quantum dot solar silicon wafers could potentially increase efficiency by up to 50% or more, leading to a substantial improvement in solar energy conversion.
Q:What is the expected degradation rate of solar silicon wafers over time?
The expected degradation rate of solar silicon wafers over time varies depending on several factors including the quality of the materials used, manufacturing processes, environmental conditions, and maintenance practices. However, on average, solar silicon wafers experience a degradation rate of around 0.5-1% per year.
Q:How do solar silicon wafers perform in high altitude locations?
Solar silicon wafers perform well in high altitude locations due to several factors. The thinner air at higher altitudes allows for increased solar radiation, resulting in higher energy production. Additionally, lower temperatures at high altitudes can improve the efficiency of solar panels as they operate more efficiently in cooler conditions. However, it is important to note that extreme weather conditions, such as strong winds or snowstorms, may affect the performance of solar silicon wafers in these locations.
Q:What is the expected efficiency improvement for tandem quantum dot-silicon solar silicon wafers?
The expected efficiency improvement for tandem quantum dot-silicon solar silicon wafers is quite significant. Tandem solar cells combine multiple layers of different materials to absorb a broader spectrum of sunlight and convert it into electricity more effectively. By integrating quantum dots with silicon wafers, which are already widely used in solar cell technology, the overall efficiency of the solar cells can be substantially increased. Although specific figures may vary depending on the design and implementation, tandem quantum dot-silicon solar silicon wafers have the potential to achieve efficiency improvements of 30% or more compared to traditional silicon solar cells.
Q:How are solar silicon wafers tested for mechanical strength and durability?
Solar silicon wafers are typically tested for mechanical strength and durability through various methods. One common approach is the four-point bending test, where a wafer is subjected to controlled bending stress to measure its flexural strength and resistance to breakage. Another method involves the use of a diamond-tipped stylus to scratch the wafer's surface and evaluate its hardness. Additionally, tests like the ball drop test or impact test are conducted to simulate real-life scenarios and assess the wafer's resistance to mechanical shocks. These tests help ensure that solar silicon wafers can withstand the rigors of manufacturing, installation, and long-term operation in solar panels.
Q:What is the role of grid lines on solar silicon wafers?
The role of grid lines on solar silicon wafers is to facilitate the flow of electric current from the sun-exposed surface of the wafer to the electrical contacts. These grid lines act as pathways to collect and transport the generated electricity, improving the overall efficiency and performance of the solar cells.
Q:How to do on the silicon wafer
3, water cleaningThis step is very important! Do not wash the water in order to save trouble after the end of washing. Rinse the small dust, particles, and other debris washed off during the scrubbing process.
Q:How are solar silicon wafers protected from vandalism?
Solar silicon wafers are typically protected from vandalism by installing them in secure locations, such as rooftops or fenced-off areas, that are difficult for unauthorized individuals to access. Additionally, some solar installations may employ security cameras, alarms, or other monitoring systems to deter and detect any potential acts of vandalism.
Q:How to make the photoresist and silicon substrate adhesion better
A thin layer of HMDS (hexamethyldisilazane) can be applied on the bottom layer of the silicon wafer, and then coated with PR, the main function of the solvent is to make the surface structure of the SIO2 of the silicon chip to be changed from hydrophilicity to hydrophobicity
Q:Are solar silicon wafers affected by UV radiation?
Yes, solar silicon wafers are affected by UV radiation. While silicon is known to have a good resistance to UV radiation, prolonged exposure to high levels of UV radiation can cause degradation and reduced efficiency in solar silicon wafers. Therefore, it is important to consider the impact of UV radiation on solar panels and take necessary measures to protect and preserve their performance.

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