High Barrier Deposition Equipment for Thin Film PV Cells
Longer life and reduced cost of back sheet due to direct encapsulation of thin lm PV cells!
- Lengthens life of PV modules by preventing moisture penetration from the side of the module and eliminating contact between deteriorated EVA and PV cells.
- Back sheet cost is reduced by using high barrier passivation.
Toray’s high barrier passivation can be applied also to CIGS, organic, dye sensitized, and a-Si PV cells
Features
- Water vapor transmission rate: 1 × 10-4 – 1 × 10-5 (g/m2-day)
- Layering with inorganic layers: 10–30 layers
- High transparency: Optical transmittance 90% or higher (in the visible light range)
PV module structure
Structure of normal PV module
Structure of PV module under development
Structure of New CIGS PV
Cross-section Photo
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