M157.4-210 BB5 Solar cells Mono Solar Cells

Features

PID resistance

Back busbar tension ≥2.0N

Strict Appearance and EL TestWarpage≤2.0mm
Accurate Electrical performance measurement
Front busbar tension≥1.5N
Technical specifications

Item/型号

157.4mm Mono solar cells/
157.4mm单声道太阳能电池

Dimensions/外形尺寸

157.4mm×157.4mm±0.5mm square wafers/
157.4mm×157.4mm±0.5mm方形晶圆

Diameter/直径

210±1.0mm 

Thickness/厚度

210um±20um

Front/正面

0.7 mm silver bus bar and 102 fingers
0.7毫米银色母线和102个针脚

Silicon Nitride antireflection coating
氮化硅抗反射涂层

Back/反面

1.6mm segmented soldering silver pads
1.6mm分段焊接银垫

Back surface field (aluminum)
背面场(铝)

Temperature  Coefficients
温度系数

TKVoltage:-0.32 % / °C;TKCurrent:+0.02 % / °C;TKPower:-0.45 % / °C


Electric feature

Pmpp(W)

Efficiency

Imp(A)

Voc(V)

Isc(A)

5.020

20.40%

9.06

0.650

9.54

4.996

20.30%

9.02

0.650

9.50

4.947

20.10%

8.95

0.649

9.43

4.922

20.00%

8.91

0.648

9.39

4.897

19.90%

8.84

0.647

9.35

4.873

19.80%

8.79

0.646

9.31

4.824

19.60%

8.69

0.642

9.29


Testing conditions : 1000W/m2 , AM 1.5 , 25℃ , Tolerance : Efficiency ± 0.2% abs.,Pmpp ± 1.5%rel.


The final interpretation right of dynamic change of the above technical parameters belongs to Bright Solar Energy Co., LTD