Solar Cell (Bifacial)

Description

Bifacial Solar Cell Detailed Specifications

Overview
Bifacial solar cells and modules generate electricity from both the front and rear sides, utilizing reflected light (albedo) to boost energy yield by 5–30% depending on installation environment and ground reflectivity
Electrical Specifications (STC)
–	Front-Side Power (Pmax): 525 – 630 W (typical high-power modules)
–	Front-Side Efficiency: 20 – 23.5 %
–	Open Circuit Voltage (Voc): 48 – 50 V (typical for 600+ W modules)
–	Voltage at Maximum Power (Vmp): 40 – 42 V
–	Short Circuit Current (Isc): 13 – 16 A
–	Current at Maximum Power (Imp): 13 – 15 A
Thermal & Performance Coefficients
–	Pmax Temperature Coefficient: −0.30 to −0.36 %/°C
–	Voc Temperature Coefficient: −0.25 to −0.30 %/°C
–	Isc Temperature Coefficient: +0.04 to +0.05 %/°C (positive)
–	NOCT : Typically, 42 ± 2 °C
Mechanical Specifications
–	Module Dimensions: ~ 2278 × 1134 × 30–35 mm
–	Weight: 27 – 37 kg
–	Cell Type: Monocrystalline / PERC Half-Cell / TOPCon Bifacial
–	Number of Cells: 144 half-cells (or equivalent)
–	Front & Rear Cover: Tempered glass, dual-glass design for durability
–	Junction Box: IP68 rated, 3 diodes
–	Connector: MC4 compatible
Reliability & Durability
–	Mechanical Load: 2400 Pa wind / 5400 Pa snow
–	Degradation: ≤ 1% in first year, ≤ 0.4% per year thereafter
–	Power Output after 25 Years: ≥ 90 %
Key Advantages
–	Extra power generation from reflected light (bifacial gain 5–30%)
–	Better performance under low-light and diffuse radiation
–	Lower Levelized Cost of Electricity (LCOE) for utility-scale projects
–	Excellent durability with dual-glass design
Product Characteristics
Dimensions		156.75×156.75 mm 156×156 mm 158.75×158.75 mm 161.7×161.7 mm 166×166 mm 182×182 mm 182×183.75 mm 182×210 mm 210×210 mm
Maximum Power (Pmax)		4.59 W – 10.18 W
Cell Thickness		180 ± 20 µm, 160 ± 16 µm
Front Surface (-)
No. of Busbars		2,10,12
Busbar Width		1.5±0.3 mm, 0.05±0.03 mm, 0.06±0.2 mm
Back Surface
No. of Soldering Pads		2,10,12
Soldering Pad Width		1.4±0.2 mm, 1.4±0.3 mm, 2.12±0.4 mm
Soldering Pad Material		Silver – Aluminum
Electrical Data at STC
Cell Efficiency (Maximum)		19.0 % – 23.3 %
Voltage at Maximum Power Point (Vmpp)		0.58 V – 0.613 V
Current at Maximum Power Point (Impp)		8.03 A – 17.261 A
Open Circuit Voltage (Voc)		0.704 V – 0.69 V
Short Circuit Current (Isc)		8.98 A – 18.186 A
Fill Factor (FF)		73.67 % – 81.16 %
Thermal Ratings
Temperature Coefficient of Pmax		(-0.24 %/˚C) – (-0.38 %/˚C)
Temperature Coefficient of Voc		(-0.25 %/˚C) – (-0.36 %/˚C)
Temperature Coefficient of Isc		0.06 %/˚C – 0.07 %/˚C

Examples of specifications for some types of Bifacial Solar Cells
M182B10B

Product Characteristics
Model No.	22.0	22.1	22.2	22.3	22.4	22.5	22.6	22.7
Product Characteristics
Cell Technology	Bifacial
Dimensions	182×182 mm
Diagonal	247±0.5 mm
Cell Thickness	150 ± 20 µm
Front Surface (-)
No. of Busbars	10
Busbar Width	0.1±0.02 mm
Busbar Material	Silver
Anti Reflection Coating	Silicon nitride
Back Surface (+)
No. of Soldering Pads	10
Soldering Pad Width	2.7±0.3 mm
Soldering Pad Material	Silver
Back Surface Field (BSF)	Aluminium
Electrical Data at STC
Maximum Power (Pmax)	7.26 W	7.3 W	7.33 W	7.36 W	7.4 W	7.43 W	7.46 W	7.49 W
Voltage at Maximum Power Point (Vmpp)	0.58 V	0.583 V	0.585 V	0.587 V	0.589 V	0.591 V	0.593 V	0.595 V
Current at Maximum Power Point (Impp)	12.51 A	12.524 A	12.537 A	12.538 A	12.564 A	12.578 A	12.581 A	12.584 A
Open Circuit Voltage (Voc)	0.676 V	0.677 V	0.678 V	0.678 V	0.679 V	0.685 V	0.686 V	0.686 V
Short Circuit Current (Isc)	13.24 A	13.249 A	13.257 A	13.269 A	13.278 A	13.278 A	13.285 A	13.3 A
Cell Efficiency	22.0-22.1 %	22.1-22.2 %	22.2-22.3 %	22.3-22.4 %	22.4-22.5 %	22.5-22.6 %	22.6-22.7 %	22.7-22.8 %
Fill Factor (FF)	81.07 %	81.4 %	81.6 %	81.81 %	82.08 %	81.73 %	81.86 %	82.07 %
Thermal Ratings
Temperature Coefficient of Pmax	-0.35 %/˚C
Temperature Coefficient of Voc	-0.28 %/˚C
Temperature Coefficient of Isc	0.03 %/˚C

182mm Mono Solar Cell

Product Characteristics
Model No.	SKTM10-10B
Product Characteristics
Cell Technology	Bifacial
Dimensions	182×182 mm
Diagonal	247±0.5 mm
Cell Thickness	180 ± 18 µm
Front Surface (-)
Busbar Material	Silver
Anti Reflection Coating	Silicon nitride
Electrical Data at STC
Maximum Power (Pmax)	7.53 W
Voltage at Maximum Power Point (Vmpp)	0.577 V
Current at Maximum Power Point (Impp)	13.046 A
Open Circuit Voltage (Voc)	0.677 V
Short Circuit Current (Isc)	13.695 A
Cell Efficiency	21.5-22.8 %
Fill Factor (FF)	81.19 %
Thermal Ratings
Temperature Coefficient of Pmax	-0.38 %/˚C
Temperature Coefficient of Voc	-0.36 %/˚C
Temperature Coefficient of Isc	0.07 %/˚C

M166 Bifacial 9BB Mono PERC Cell

Product Characteristics

Model No.

6.06

6.11

6.17

6.22

6.28

Product Characteristics

Cell Technology

Bifacial

Dimensions

182×182 mm

Cell Thickness

160 ± 20 µm

Front Surface (-)

No. of Busbars

Busbar Width

0.1±0.06 mm

Busbar Material

Silver

Anti Reflection Coating

Silicon nitride

Back Surface (+)

No. of Soldering Pads

Soldering Pad Width

1.3±0.25 mm

Soldering Pad Material

Silver

Back Surface Field (BSF)

Aluminium

Electrical Data at STC

Maximum Power (Pmax)

6 W

6.06 W

6.11 W

6.17 W

6.22 W

6.28 W

Voltage at Maximum Power Point (Vmpp)

0.576 V

0.5799 V

0.5835 V

0.5873 V

0.5905 V

0.5933 V

Current at Maximum Power Point (Impp)

10.424 A

10.448 A

10.477 A

10.503 A

10.54 A

10.582 A

Open Circuit Voltage (Voc)

0.6748 V

0.6777 V

0.679 V

0.6811 V

0.6837 V

0.6874 V

Short Circuit Current (Isc)

11.014 A

11.039 A

11.06 A

11.082 A

11.105 A

11.113 A

Cell Efficiency

21.9 %

22.1 %

22.3 %

22.5 %

22.7 %

22.9 %

Fill Factor (FF)

80.79 %

80.99 %

81.41 %

81.72 %

81.97 %

82.19 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.38 %/˚C

Temperature Coefficient of Voc

-0.36 %/˚C

Temperature Coefficient of Isc

0.07 %/˚C

LWM12BB-G12-295

Product Characteristics
Model No.	LWM12BB-G12-9.69W	LWM12BB-G12-9.74W	LWM12BB-G12-9.78W	LWM12BB-G12-9.82W	LWM12BB-G12-9.87W	LWM12BB-G12-9.91W
Product Characteristics
Cell Technology	Bifacial
Dimensions	210×210 mm
Diagonal	295±0.15 mm
Cell Thickness	180 ± 20 µm
Front Surface (-)
No. of Busbars	12
Busbar Width	0.06±0.2 mm
Busbar Material	Silver
Anti Reflection Coating	Silicon nitride
Back Surface (+)
No. of Soldering Pads	12
Soldering Pad Width	1.4±0.2 mm
Soldering Pad Material	Aluminium
Back Surface Field (BSF)	Aluminium
Electrical Data at STC
Maximum Power (Pmax)	9.69 W	9.74 W	9.78 W	9.82 W	9.87 W	9.91 W
Voltage at Maximum Power Point (Vmpp)	0.583 V	0.584 V	0.585 V	586 V	0.587 V	0.588 V
Current at Maximum Power Point (Impp)	16.626 A	16.673 A	16.719 A	16.766 A	16.813 A	16.859 A
Open Circuit Voltage (Voc)	0.679 V	0.68 V	0.681 V	0.682 V	0.683 V	0.684 V
Short Circuit Current (Isc)	17.531 A	17.584 A	17.638 A	17.691 A	17.745 A	17.798 A
Cell Efficiency	22.00 %	22.10 %	22.20 %	22.30 %	22.40 %	22.50 %
Fill Factor (FF)	81.43 %	81.43 %	81.43 %	81431.1 %	81.43 %	81.43 %
Thermal Ratings
Temperature Coefficient of Pmax	-0.37 %/˚C
Temperature Coefficient of Voc	-0.3 %/˚C
Temperature Coefficient of Isc	0.06 %/˚C

N type-182-16BB Bifacial cell

Product Characteristics
Model No.	7.82	7.86	7.89	7.92	7.96	7.99	8.02	8.05
Product Characteristics
Cell Technology	Bifacial
Dimensions	182×182 mm
Diagonal	247±0.25 mm
Cell Thickness	150 ± 15 µm
Electrical Data at STC
Maximum Power (Pmax)	7.82 W	7.86 W	7.89 W	7.92 W	7.96 W	7.99 W	8.02 W	8.05 W
Voltage at Maximum Power Point (Vmpp)	0.614 V	0.616 V	0.618 V	0.62 V	0.622 V	0.624 V	0.626 V	0.627 V
Current at Maximum Power Point (Impp)	12.74 A	12.755 A	12.765 A	12.775 A	12.785 A	12.8 A	12.82 A	12.84 A
Open Circuit Voltage (Voc)	0.712 V	0.714 V	0.716 V	0.718 V	0.72 V	0.721 V	0.723 V	0.725 V
Short Circuit Current (Isc)	13.395 A	13.415 A	13.425 A	13.435 A	13.445 A	13.455 A	13.485 A	13.5 A
Cell Efficiency	23.7-23.8 %	23.8-23.9 %	23.9-24.0 %	24.0-24.1 %	24.1-24.2 %	24.2-24.3 %	24.3-24.4 %	24.4-24.5 %
Fill Factor (FF)	82.02 %	82.03 %	82.07 %	82.11 %	82.15 %	82.33 %	82.31 %	82.25 %
Thermal Ratings
Temperature Coefficient of Pmax	-0.32 %/˚C
Temperature Coefficient of Voc	-0.25 %/˚C
Temperature Coefficient of Isc	0.055 %/˚C

G12

Product Characteristics
Model No.	9.75	9.79	9.83	9.88	9.92	9.97	10.01	10.05
Product Characteristics
Cell Technology	Bifacial
Dimensions	210×210 mm
Diagonal	295±0.5 mm
Cell Thickness	160 ± 16 µm
Front Surface (-)
No. of Busbars	12
Busbar Width	0.05±0.03 mm
Busbar Material	Silver
Anti Reflection Coating	Silicon nitride
Back Surface (+)
No. of Soldering Pads	12
Soldering Pad Width	1.4±0.3 mm
Back Surface Field (BSF)	Aluminium
Electrical Data at STC
Maximum Power (Pmax)	9.75 W	9.76 W	9.83 W	9.88 W	9.92 W	9.97 W	10.01 W	10.05 W
Voltage at Maximum Power Point (Vmpp)	0.574 V	0.575 V	0.577 V	0.579 V	0.581 V	0.583 V	0.584 V	0.586 V
Current at Maximum Power Point (Impp)	16.986 A	17.026 A	17.036 A	17.064 A	17.074 A	17.101 A	17.14 A	17.151 A
Open Circuit Voltage (Voc)	0.68 V	0.681 V	0.682 V	0.684 V	0.685 V	0.685 V	0.683 V	0.687 V
Short Circuit Current (Isc)	17.955 A	18.016 A	18.03 A	18.049 A	18.062 A	18.088 A	18.108 A	18.125 A
Cell Efficiency	22.1 %	22.2 %	22.3 %	22.4 %	22.5 %	22.6 %	22.7 %	22.8 %
Fill Factor (FF)	79.86 %	79.79 %	79.94 %	80.03 %	80.18 %	80.47 %	80.93 %	80.71 %

B6F5H

Product Characteristics
Model No.		B6F5H
Product Characteristics
Cell Technology		Bifacial
Dimensions		158.75×158.75 mm
Diagonal		223±0.25 mm
Cell Thickness		190 ± 30 µm
Front Surface (-)
No. of Busbars		5
Busbar Width		0.7±0.1 mm
Busbar Material		Silver
Anti Reflection Coating		Silicon nitride
Back Surface (+)
No. of Soldering Pads		5
Soldering Pad Width		1.7±0.1 mm
Soldering Pad Material		Silver
Electrical Data at STC
Maximum Power (Pmax)		5.62 W
Voltage at Maximum Power Point (Vmpp)		0.572 V
Current at Maximum Power Point (Impp)		9.82 A
Open Circuit Voltage (Voc)		0.676 V
Short Circuit Current (Isc)		10.31 A
Cell Efficiency		21.2-22.3 %
Fill Factor (FF)		80.59 %
Thermal Ratings
	Temperature Coefficient of Pmax	-0.3212 %/˚C
	Temperature Coefficient of Voc	-0.2771 %/˚C
	Temperature Coefficient of Isc	0.065 %/˚C