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Solar Gard Photovoltaic. Overview of Solar Gard PV Backsheets September 2009. Solar Gard PV T Series. PVF/PET/PVF backsheets are used in approximately 70% of solar module products Insufficient manufacturing capacity from current vendors has caused long delays in production

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solar gard photovoltaic

Solar Gard Photovoltaic

Overview of Solar Gard PV Backsheets

September 2009

solar gard pv t series
Solar Gard PV T Series
  • PVF/PET/PVF backsheets are used in approximately 70% of solar module products
    • Insufficient manufacturing capacity from current vendors has caused long delays in production
  • Solar Gard has the manufacturing capacity to make a substantial difference for crystalline silicon PV manufacturers
    • Available capacity in US
    • 3 coating lines will produce > 4 million square meters per year (> 400 MW)
    • ISO 9001:2000 certified, ISO 14001:2004 certified, Class 10,000 clean room
  • Solar Gard’s relevant experience in solar products & thin films gives module manufacturers a credible new supplier
slide3

Diagram of PV Backsheet

Simplified section view of solar cell module

Example of back sheet construction

outer side

cell side

+/- 70% of

the market

PVF/Adhesive/PET/Adhesive/PVF

PVF/Adhesive/PET

PVF/Adhesive/Aluminum foil/Adhesive/PET

PET/Adhesive/SiO2 PET

Coating/PET/Adhesive/EVA primer

pv module lamination process

4

5

PV Module Lamination Process

Inter-connector

1. White tempered glass

2. encapsulation: EVA

3. PV cell

4. Back sheet

5. Inter-connector

Vacuum laminator

PV cell

Cell strings

Cell matrix

Assembling superstrate module via vacuum lamination:

  • Layer white tempered glass, EVA film, PV cell, EVA film and backsheet in vacuum laminator. The lower chamber is equipped with a heating plate, the upper chamber is pressurized to apply pressure to the laminates
  • EVA foil is cured for several minutes at ≈ 140°C under pressure of several hundred mbar – 1 bar
  • Controlled cooling of the modules takes place via fans or a cooling press
experience global leadership
Experience & Global Leadership
  • Solar Gard is manufactured by Bekaert Specialty Films LLC in San Diego, CA
    • Thirty years in thin films and solar products
      • Expertise in sputtering, coating and lamination
    • Environmentally responsible manufacturing
      • Carbon footprint audited and published, Climate Action Leader designation
      • Supplier/Vendor for Clinton Climate Initiative
      • ISO 14001:2004 certified
  • BSF is part of the Bekaert Group
    • Global manufacturer of PV-related products
      • Rotatable magnetron solutions = high-volume production, better cell performance and lower TCO
      • Sawing wire to cut silicon PV cell
    • Bekaert Group = Global leader in advanced metal transformation, materials and coatings and drawn wire products
      • 23,000 employees, operations in 120 countries and gross revenues of €4B
contact
Contact
  • Product inquiries and orders:
    • Bekaert Specialty Films Industrial Team
      • www.bekaertfilms.com/Industrial_Films
      • +1 858 614 1206
      • +81 3 5542 7772
  • Media inquiries:
    • Matter Communications
      • +978 499 9250 x 291
      • bsf@matternow.com