Table 3

Sample matrix of the first mini-module test series.

Layer | Variant Var 1 Var 2 Var 3 Var 4 Var 5 Var 6 Ref Ref 2
Front side (thickness) Glass (3 mm) Glass (3 mm) Glass (3 mm) Glass (3 mm) Glass (3 mm) Glass (3 mm) Glass (3 mm) Glass (3 mm)
Encapsulant (thickness, UV absorption type) EVA #2 biodegradable additive (450 μm, UV-block) PLA #1 bio-based, biodegradable (450 μm, UV-pass) EVA #2 biodegradable additive (450 μm, UV-block) EVA #2 biodegradable additive (450 μm, UV-block) EVA #2 biodegradable additive (450 μm, UV-block) EVA #2 biodegradable additive (450 μm, UV-block) EVA #1 Standard2 (450 μm UV-pass) EVA #2 Standard3 (380 μm UV-block)
Cell technology PERC PERC PERC PERC PERC PERC PERC PERC
Encapsulant (thickness, UV absorption type) EVA #2 biodegradable additive (450 μm UV-block) PLA #1 bio-based, biodegradable (450 μm UV-block) EVA #2 biodegradable additive (450 μm UV-block) EVA #2 biodegradable additive (450 μm UV-block) EVA #2 biodegradable additive (450 μm UV-block) EVA #2 biodegradable additive (450 μm UV-block) EVA #1 Standard2 (450 μm UV-block) EVA #2 Standard3 (380 μm, UV-block)
Back sheet (thickness) PET #1 bio-based 180 μm PET #1 Standard2 175 μm PA11 bio-based, recyclable 3 mm PLA #2 bio-based, bio-degradable 3,5 mm PLA #3 bio-based, bio-degradable 209 μm 2xPLA #4 + 2xPET #2 bio-based coating 400 μm PET #1 Standard2 175 μm PET #1 Standard2 175 μm
Sample amount 15 15 15 15 31 41 15 15
1

Limited amount of material.

2

Standard-commercial-material Fraunhofer CSP.

3

Master batch material.

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