Solar cell of monocrystalline silicon

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Solar cell of monocrystalline silicon

Introduction

A solar cell converts sunlight into usable electricity through a process known as the PV effect. Manufacturing solar cells requires several steps, including cleaning and texturing the wafer, applying anti-reflective coating and printing conductive metal grids to capture the electricity generated in the silicon wafer by the PV effect.

 

Characteristics

Crystalline silicon solar cells can be divided into monocrystalline and polycrystalline categories. Monocrystalline cells normally achieve higher efficiencies (16-18% efficiency) than polycrystalline cells (14-16% efficiency) by 2-3 percent. The quality of our solar cell reached international standard.

Specifications

1Background film (Re-Order No. SS/PV/CM-1):
Dimension: 125〜125\0.5mm
Diagonal: 150\1.0mm (round chamfers)
Thickness-Si: 220\20 μm
Front: blue silicon nitride antireflection coatings
1.5mm silver busbar
Back full: full surface aluminum back-surface field
3.5mmsilver / aluminumsoldering pads

Note: The efficiency shall be in accordance with the users¨ confirmation.

Parameters

Model

Efficiency(%)

Power(Wp)

Vm(V)

Im(A)

Voc(V)

Isc(A)

CM125-17.3

17.3\0.1

2.57

0.511

5.12

0.620\5

5.24\5

CM125-17.1

17.1\0.1

2.54

0.511

5.07

0.620\5

5.20\5

CM125-16.9

16.9\0.1

2.51

0.509

4.98

0.619\5

5.18\5

CM125-16.7

16.7\0.1

2.48

0.504

4.97

0.618\5

5.17\5

CM125-16.5

16.5\0.1

2.45

0.503

4.86

0.618\5

5.15\5

CM125-16.3

16.3\0.1

2.42

0.500

4.79

0.617\5

5.10\5

CM125-16.1

16.1\0.1

2.39

0.500

4.66

0.615\5

5.06\5

CM125-15.9

15.9\0.1

2.36

0.500

4.63

0.615\5

5.04\5

CM125-15.7

15.7\0.1

2.33

0.500

4.56

0.613\5

5.03\5

CM125-15.5

15.5\0.1

2.30

0.500

4.51

0.611\5

5.01\5

CM125-15.3

15.3\0.1

2.27

0.498

4.47

0.610\5

4.97\5

CM125-15.1

15.1\0.1

2.24

0.498

4.42

0.608\5

4.95\5

CM125-14.9

14.9\0.1

2.21

0.490

4.35

0.607\5

4.93\5

CM125-14.7

14.7\0.1

2.18

0.490

4.29

0.604\5

4.92\5

CM125-14.5

14.5\0.1

2.15

0.490

4.23

0.602\5

4.91\5

CM125-14.3

14.3\0.1

2.12

0.487

4.15

0.599\5

4.86\5

CM125-14.1

14.1\0.1

2.09

0.487

4.10

0.598\5

4.83\5

CM125-13.1

13.1\0.1

1.94

0.487

3.90

0.587\5

4.71\5

CM125-12.1

12.1\0.1

1.79

0.480

3.58

0.580\5

4.65\5

Solder Ability

Side

Strength

Front Side Average

1.5N / mm

Back Side Average

1.5N / mm

Minimum

1.2N / mm

Spectral ResponseIV-Curve

Temperature Coefficients

Current temperature coefficient

α(Isc)

0.09%/≧

Voltage temperature coefficient

α(Voc)

-0.36%/≧

Power temperature coefficient

γ(Pmax)

-0.38%/≧

Light Intensity Dependence

Intensity W / O

Vpm

Ipm

1000

1

1

800

0.992

0.8

600

0.990

0.6

200

0.939

0.2

100

0.909

0.1

60

0.894

0.06

30

0.863

0.03

15

0.836

0.015

 



 

 

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