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  • N Type 158.75mm Bifacial PERT Solar Cell
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  • N Type 158.75mm Bifacial PERT Solar Cell

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商品描述

【Product description】

N-type Mono bifacial PERT (passivated emitter rear totally diffused) silicon solar cells possesses high and stabilized conversion efficiencies.

N-type silicon solar cells are considered as promising alternatives to p-type solar cells for next generation highly efficient solar cells thanks to their ability to withstand light-induced degradation and to their higher tolerance to common metal impurities.

The n type bifacial PERT solar cell can be manufactured with process flow by using ion implant for single-sided doping for excellent emitter junction quality and uniformity, a single thermal anneal, integrated AlOx/ SiNx passivation layer and screen printed Ag grid on front and rear.


N pert cross small


Process flow


Process flow drawn

Key features

High conversion efficiency with high reliability

No light-induced degradation

Uniform cell performance with stable process control

Both sides can generate electricity

Excellent power generation performance under low irradiation

Low hot spot risk


Technical Data

 

TECHNICAL DATA AND DESIGN


TEMPERATURE COEFFICIENTS AND SOLDERABILITY

Dimension

158.75mm*158.75mm±0.25


TkUoc (%/K)

-0.302

Thickness

190±30 μm


TkIsc  (%/K)

+0.048

Front

9 Busbars


TkPMAX  (%/K)

-0.38

Back

9 Busbars


Peel Strength Minimum

>1.4N/mm

 

ELECTRICAL PARAMETERS at STC

No.

Efficiency (%)

Pmpp (W)

Uoc (V)

Isc (A)

FF (%)

1

23.00%

5.75

0.700

10.110

81.28

2

22.90%

5.73

0.699

10.098

81.19

3

22.80%

5.70

0.698

10.070

81.13

4

22.70%

5.68

0.697

10.063

81.02

5

22.60%

5.65

0.696

10.045

80.86

6

22.50%

5.63

0.695

10.031

80.78

7

22.40%

5.60

0.694

10.011

80.64

8

22.30%

5.58

0.693

10.000

80.55

9

22.20%

5.55

0.692

9.986

80.40

10

22.10%

5.53

0.691

9.979

80.24

11

22.00%

5.50

0.690

9.961

80.07

12

21.90%

5.48

0.689

9.951

79.96

13

21.80%

5.45

0.688

9.933

79.82

14

21.70%

5.43

0.687

9.914

79.78

15

21.60%

5.40

0.686

9.895

79.62

16

21.50%

5.38

0.685

9.875

79.58

17

21.40%

5.35

0.684

9.856

79.42

18

21.30%

5.33

0.683

9.844

79.34

19

21.20%

5.30

0.682

9.818

79.22

20

21.10%

5.28

0.681

9.800

79.18

21

21.00%

5.25

0.680

9.775

79.08

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