Encapsulation material
AssigneeIndustrial Technology Research Institute
InventorsMin-Tsung Kuan, Ming-Chia Li, Wen-Hsien Wang, Kuo-Chan Chiou, Tzong-Ming Lee, Fang-Yao Yeh
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Abstract
Disclosed are encapsulation materials including an 80 to 99.5 weight percentage (wt %) of ethylene vinyl acetate copolymers (EVA) and a 0.5 to 20 weight percentage(wt %) of a photoluminescent polymer, wherein the EVA and the photoluminescent polymers are evenly blended. The encapsulation materials can be applied to packaging solar cells, and the encapsulating structure may protect the EVA from UV damage and enhance light utilization efficiency of the solar cell.
Claims14
An encapsulation material, comprising:
- an 80 to 99.5 weight percentage (wt %) of an ethylene vinyl acetate copolymer (EVA);
- and
- a 0.5 to 20 weight percentage (wt %) of a photoluminescent polymer, wherein the EVA and the photoluminescent polymer are evenly blended;
- wherein the photoluminescent polymer has the general formula as follows:
- wherein D is a photoluminescent group;
- R1, R2, and R3 are independently selected from hydrogen, a substituted C1-6 alkyl group, or an unsubstituted C1-6 alkyl group;
- R4 is a substituted C1-6 alkylenyl group or an unsaturated C1-6 alkylenyl group;
- m is an integer of 1 to 5;
- and
- n is 10 to 10,000.
A solar cell encapsulating module, comprising:
- an encapsulation material comprising:
- an 80 to 99.5 weight percentage (wt %) of an ethylene vinyl acetate copolymer (EVA);
- and
- a 0.5 to 20 weight percentage (wt %) of a photoluminescent polymer, wherein the EVA and the photoluminescent polymer are evenly blended;
- wherein the photoluminescent polymer has the general formula as follows:
- wherein D is a photoluminescent group;
- R1, R2, and R3 are independently selected from hydrogen, a substituted C1-6 alkyl group, or an unsubstituted C1-6 alkyl group
- R4 is a substituted C1-6 alkylenyl group or an unsaturated C1-6 alkylenyl group;
- m is an integer of 1 to 5;
- and
- n is 10 to 10,000.
Dependencies are inferred from the claim text.