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Back contact solar modules:
14

Back contact solar modules

Jan 08, 2022

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Page 1: Back contact solar modules

Back contact solar modules:

Page 2: Back contact solar modules

Our vision: Increase solar module quality throughhigh-tech manufacturing

Page 3: Back contact solar modules

Backsheet

Conductive material

Punched encapsulant

Backcontact cells

EncapsulantGlass

The product

Page 4: Back contact solar modules

High-tech equipment

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Process steps

1 Upwards elevator

2

3

4

Back sheet lay-up

Interconnection

Application of encapsulant

5

6

7

8

9

Quality inspection

Cell positioning

Quality inspection

Encapsulant unwinding and application

Glass de-stacking and lay-up

10

11

12 Downwards elevator

Flipping

Pre-tagging

Page 5: Back contact solar modules
Page 6: Back contact solar modules

Production platform:

⎻ Suitable for all new cell technologies as MWT, IBC and HJ-BC

⎻ No IP constraints for modules

⎻ No IP constrains for most cell technologies

⎻ Quick payback on investment

Back-contact PV modules

Page 7: Back contact solar modules

2% lower CtM losses2% higher cell output

4 oC lower NOCT

4% less dead area

Module performance advantages

Fewer hotspots Less FF losses

Page 8: Back contact solar modules

Reliability: second to none

Page 9: Back contact solar modules

0.60

0.65

0.70

0.75

0.80

0.85

0.90

0 1 2 3 4 5 6F

F25 [

-]

year

i. 4ºC lower NOCTii. Less prone to hotspots – PCB = heat sinkiii. Almost no FF lossiv. TCT test supreme to any other modules

Module reliability advantages

Page 10: Back contact solar modules

i. Production platform for MWT today and IBC & HJ-BC cells tomorrow

ii. 1 time cell handling instead of 7 times, resulting in higher yield and fewer (micro)cracks

iii. 4 operators needed for front-end assembly instead of 12

iv. High throughput in one line: up to 90 modules/hour

v. Upgradeable equipment

vi. Inbuilt inspection steps for quality monitoring

vii. Long equipment autonomy

viii. Suitable for half cell mfg

Production advantages

Page 11: Back contact solar modules

Our Unique Selling Points:

i. About 3 GWp installed equipment base

ii. Reliable and high precision equipment

iii. Strong IP position

iv. Extensive process knowledge

v. 15 years process experience

vi. BoM independent

vii. Customer support at Eurolab

Why Eurotron?

Page 12: Back contact solar modules

Impression Eurolab

Page 13: Back contact solar modules

Process

Reliability

Any objections?

Equipment Supply chain

Maturity Costs

Page 14: Back contact solar modules