High-refractive-index nano inorganic matter hybrid photovoltaic packaging material

A nano-inorganic, high refractive index technology, used in photovoltaic power generation, non-polymer adhesive additives, polyurea/polyurethane adhesives, etc. and other problems, to achieve the effect of improving refractive index, perfect matching of refractive index and improving efficiency

Inactive Publication Date: 2017-06-13
HANGZHOU FIRST APPLIED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the refractive index of commonly used packaging materials is less than 1.5, which is far from meeting the requirements, which greatly affects the light utilization rate.
[0006] If the high-refractive-index nanomaterials are added by the direct dispersion method or the blending method, due to reasons such as high surface energy and polarity mismatch of the nanoparticles, it is easy to agglomerate or deposit and cause phase separation, so that the particles lose or partially lose their unique functions and properties. effect

Method used

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  • High-refractive-index nano inorganic matter hybrid photovoltaic packaging material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In terms of parts by mass, to 100 parts of ethylene-vinyl acetate copolymer (the mass content of vinyl acetate VA is 31%), add the 5 parts of nano-hafnium dioxide coated with silane and 5 parts of nano-zinc sulfide coated with 4-nitrothiophenol, 0.3 parts of cross-linking agent tert-butyl peroxyisopropyl carbonate and 0.3 parts of cross-linking agent 1 - Bis(tert-butylperoxide)-3,3,5-trimethylcyclohexane, 0.01 part of UV absorber 2-hydroxy-4-n-octyloxybenzophenone, 0.1 part of light stabilizer decane Diacid bis-2,2,6,6-tetramethylpiperidinol ester, after mixing evenly, extrude and granulate with a twin-screw extruder. Extrude the prepared particles with a single-screw extruder, and the extruded product is cast into a film, and then wound up after cooling to obtain a film with a thickness of 0.5 mm, which is designated as S1.

Embodiment 2

[0022] In terms of parts by mass, to 105 parts of ethylene octene copolymer, add 10 parts of nano-lead telluride with particle size less than 25nm, add 0.1 part of crosslinking agent 2,5-dimethyl-2,5-bis( tert-butyl peroxy) hexane, 2 parts of UV absorber 2,2-tetramethylenebis(3,1-benzoxazin-4-one), 0.5 part of light stabilizer 3,5-di-tert Butyl-4-hydroxy-hexadecyl benzoate, after mixing evenly, extrude and granulate with a twin-screw extruder. Extrude the prepared particles with a single-screw extruder, cast the extruded product into a film, and wind it up after cooling to obtain a film with a thickness of 0.5 mm, which is designated as S2.

Embodiment 3

[0024] In terms of parts by mass, to 120 parts of ethylene-methyl methacrylate copolymer, add 5 parts of nano-gallium phosphide with a particle size smaller than 25nm, and add 5 parts of crosslinking agent 3,3,5 trimethyl peroxide tert-butyl hexanoate, 0.5 parts UV absorber 2-hydroxy-4-n-octyloxybenzophenone, 5 parts light stabilizer bis-1-decyloxy-2,2,6,6-tetra Methylpiperidin-4-ol sebacate, mixed evenly, extruded and granulated by twin-screw extruder. Extrude the prepared particles with a single-screw extruder, cast the extruded product into a film, and wind it up after cooling to obtain a film with a thickness of 0.5 mm, which is designated as S3.

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Abstract

The invention discloses a high-refractive-index nano inorganic matter hybrid photovoltaic packaging material. The material comprises a packaging adhesive film substrate material, high-refractive-index nano inorganic matter and the like, the refractive index of the photovoltaic packaging material can be realized and adjusted by adding the high-refractive-index nano inorganic matter, refractive indexes of glass, the packaging material and a crystalline silicon cell piece are matched perfectly, the absorption of incident sunlight by a silicon wafer is optimized, and the efficiency of a solar cell is improved; the dispersibility of the high-refractive-index nano inorganic matter in a polymer is improved by coating the high-refractive-index nano inorganic matter; other additives are added to ensure that the insulativity, weather resistance and the like of the high-refractive-index nano inorganic matter hybrid photovoltaic packaging material meet the requirements of the photovoltaic packaging field.

Description

technical field [0001] The invention belongs to the field of photovoltaic encapsulation adhesive films, and in particular relates to a high-refractive-index nano-inorganic hybrid photovoltaic encapsulation material. Background technique [0002] Under the global problems of resource shortage and increasingly serious environmental pollution, people are increasingly demanding an environmentally friendly and renewable green energy. Solar energy technology has emerged as the times require, and solar energy has become a widely recognized clean energy, and photovoltaic power generation is a major form of solar energy utilization. Under harsh conditions, in order to ensure the integrity and durability of solar cell components and ensure that the silicon wafer is not damaged, generally two layers of polymer encapsulation film are used to seal the crystalline silicon cell, and then the upper layer of protective material tempered glass and the lower layer Protect the backsheet bond. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/00C09J123/08C09J129/14C09J123/06C09J175/04C09J11/04C09J11/06C08J5/18H01L31/048
CPCC08J5/18C08J2323/06C08J2323/08C08J2329/14C08J2375/04C08K3/22C08K3/30C08K3/32C08K5/132C08K5/1345C08K5/14C08K5/3435C08K5/3475C08K5/526C08K9/10C08K13/06C08K2003/2244C08K2003/3009C08K2201/014C08L2203/16C08L2203/206C09J7/00C09J11/04C09J11/06C09J123/06C09J123/0815C09J123/0853C09J123/0869C09J129/14C09J175/04H01L31/0481Y02E10/50
Inventor 周欣蕊熊曦侯宏兵周光大林建华
Owner HANGZHOU FIRST APPLIED MATERIAL CO LTD
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