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
1．Background 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
3.5mm（silver / aluminum）soldering 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 / ㎡ |
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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