Item/型号

156.75mm Poly solar cells/
156.75mm聚太阳能电池

Dimensions/外形尺寸

156.75mm×156.75mm±0.25mm square wafers/
156.75mm×156.75mm±0.25mm方形晶圆

Diameter/直径

220±1.0mm　

Thickness/厚度

220um±20um

Front/正面

0.7 mm silver bus bar and 106 fingers
0.7毫米银色母线和106个针脚

Silicon Nitride antireflection coating
氮化硅抗反射涂层

Back/反面

1.8mm segmented soldering silver pads
1.8mm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

Efficiency

Pmpp

Impp

Uoc

Isc

19.00%

4.668

8.050

0.645

8.939

18.90%

4.644

8.019

0.644

8.908

18.80%

4.619

7.979

0.643

8.868

18.70%

4.595

7.959

0.642

8.838

18.60%

4.570

7.939

0.640

8.817

18.50%

4.545

7.918

0.638

8.797