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P Type Mono Bifacial PERC Solar Cell

P Type Mono Bifacial PERC Solar Cell

For more generation in the same footprint, PERC has been naturally upgraded to bifacial PERC. On this basis, bifacial PERC is also becoming an important route in the development of the technology. The commonly used manufacturing technology for bifacial PERC cell is to change the printing process of the PERC single-sided cell, and changing the rear surface from whole aluminum layer to a local aluminum layer. This allows incidental light on the rear surface to enter the cell from the exposed layer and create photoelectric conversion on both the front and rear sides.
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【Product description】

Bifacial PREC is short for bafacial Passivated Emitter and Rear Cell. It is based on the P type monocrystalline silicon solar wafer.

For more generation in the same footprint, PERC has been naturally upgraded to bifacial PERC.  

On this basis, bifacial PERC is also becoming an important route in the development of the technology. The commonly used manufacturing technology for bifacial PERC cell is to change the printing process of the PERC single-sided cell, and changing the rear surface from whole aluminum layer to a local aluminum layer. This allows incidental light on the rear surface to enter the cell from the exposed layer and create photoelectric conversion on both the front and rear sides.

 

P Type Mono Bifacial Solar Cell

 

Process flow


image


Key features

Double side generation

Higher output power

Excellent low-light performance

Lower temperature coefficient

 

Technical Data

TECHNICAL DATA AND DESIGN


TEMPERATURE COEFFICIENTS AND SOLDERABILITY

Dimension

156.75mm*156.75mm±0.25


TkUoc (%/K)

-0.35

Thickness

190±30 μm


TkIsc  (%/K)

+0.06

Front

5 Busbars


TkPMAX  (%/K)

-0.358

Back

5 Busbars


Peel Strength Minimum

>1.4N/mm

  

ELECTRICAL PARAMETERS at STC

No.

Efficiency (%)

Pmpp (W)

Uoc (V)

Isc (A)

FF (%)

1

22.50%

5.50

0.686

9.836

81.51

2

22.40%

5.47

0.685

9.818

81.41

3

22.30%

5.45

0.684

9.805

81.30

4

22.20%

5.43

0.683

9.796

81.18

5

22.10%

5.40

0.682

9.786

80.92

6

22.00%

5.38

0.681

9.772

80.83

7

21.90%

5.35

0.679

9.757

80.71

8

21.80%

5.33

0.678

9.740

80.63

9

21.70%

5.30

0.676

9.728

80.51

10

21.60%

5.28

0.673

9.722

80.67

11

21.50%

5.25

0.672

9.700

80.60

12

21.40%

5.23

0.671

9.680

80.51

13

21.30%

5.20

0.670

9.662

80.40

14

21.20%

5.18

0.669

9.649

80.29

15

21.10%

5.16

0.668

9.640

80.16

16

21.00%

5.13

0.667

9.630

79.89

17

20.90%

5.11

0.666

9.616

79.80

18

20.80%

5.08

0.664

9.601

79.68

19

20.70%

5.06

0.663

9.584

79.59

20

20.60%

5.03

0.661

9.572

79.47

21

20.50%

5.01

0.658

9.566

79.63




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    Tel:+86-571-56772661
    Fax:+86-571-56772663
    Office:Room 411, Tower 1, No.19 Xintang Road, Jianggan District, Hangzhou, China
    E-mail:info@dsneg.com

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