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A power-enhanced transparent mesh backplane

A grid-based and enhanced technology, applied in the direction of photovoltaic power generation, electrical components, circuits, etc., can solve the problems of high cost and unfavorable weight, and achieve the effect of fast curing speed, small investment and large output

Inactive Publication Date: 2019-01-18
HANGZHOU FIRST APPLIED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the packaging process of photovoltaic modules, the use of backplane glass, in addition to the high cost, is also unfavorable for the additional weight

Method used

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  • A power-enhanced transparent mesh backplane
  • A power-enhanced transparent mesh backplane
  • A power-enhanced transparent mesh backplane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] First, according to 40wt% bisphenol A epoxy acrylate, 10wt% 1,6-hexanediol diacrylate, 40wt% rutile titanium dioxide, 6wt% 4,4'-bis(dimethylamino) Benzophenone, 3wt% of the first auxiliary agent, 1wt% of the second auxiliary agent, etc. are mixed and configured to obtain a grid layer coating, wherein the first auxiliary agent is composed of 2-hydroxyl-4-n-octyloxydiphenyl The second auxiliary agent is composed of 50wt% polyether defoamer and 50wt% polyacrylate leveling agent.

[0031] Secondly, 40wt% of tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, 1.6wt% of C5 petroleum resin, 0.2wt% of the third additive, 8wt% of nano-zinc oxide, 40wt% of ethyl acetate , 2wt% of the fourth additive, 8wt% of toluene diisocyanate trimer, 0.2wt% of organic tin catalyst, etc. are pre-mixed and configured into a transparent coating, and then coated on both sides of a 240um polyethylene naphthalate film The weather-resistant transparent coating with a thickness of 8um is dried ...

Embodiment 2

[0034] First, according to 50wt% novolac epoxy acrylate, 20wt% 1,6-hexanediol diacrylate and tripropylene glycol diacrylate in a 1:1 mixture, 25wt% rutile titanium dioxide and glass beads According to the composition of 1:2 mixed filler, 3wt% of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 1.5wt% of the first additive, 0.5wt% of the second additive, etc. Configured to obtain a network layer coating, wherein the first additive consists of 50wt% 2‐hydroxy‐4‐octyloxybenzophenone and 50wt% bis(2,2,6,6‐tetramethyl‐4 ‐piperidinyl) sebacate, and the second auxiliary agent is composed of 50wt% polyacrylate leveling agent and 50wt% block copolymer dispersant containing pigment affinity groups.

[0035] Secondly, 45wt% of ethylene / trichlorofluoroethylene copolymer, 10wt% of butanol etherified urea-formaldehyde resin, 0.5wt% of the third additive, 5wt% of nano-titanium dioxide, 10wt% of xylene, 15wt% of the first Four additives, 14wt% of hexamethylene diisocyanate biuret and toluene ...

Embodiment 3

[0038] First, a mixture of 35 wt% polyurethane acrylate and unsaturated polyester resin in a ratio of 1:1, a mixture of 35 wt% trimethylolpropane triacrylate and a fluorine-containing acrylate monomer in a ratio of 1:2, 20wt% rutile titanium dioxide and glass microspheres are mixed fillers composed of 2:1, 6wt% 2-dimethylamino-2-benzyl-1-[4-(4-morpholinyl)phenyl]- 1-butanone, 3.99wt% of the first auxiliary agent, 0.01wt% of the second auxiliary agent and other mixed configurations to obtain a network layer coating, wherein the first auxiliary agent is composed of 40wt% 2-hydroxyl-4-n-octyloxy benzophenone, 30wt% bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate and 30wt% 2,6-di-tert-butyl-4-methyl Composed of phenol mixture, the second additive consists of 40wt% modified polysiloxane copolymer solution, 30wt% polyacrylate leveling agent and 30wt% block copolymer dispersant containing pigment affinity groups Mix composition.

[0039]Secondly, 30wt% of tetrafluoroethylene / perflu...

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Abstract

The invention discloses a power-enhanced transparent mesh backplane, which is composed of a mesh layer and a transparent backplane layer, wherein the mesh layer is coated on the transparent backplanelayer. The transparent backplane layer maintains good light transmittance, and the grid layer has good reflectivity, so that the solar ray can be reflected back to the surface of the battery sheet, thereby fully utilizing the solar ray, and comprehensively enhancing the power generation effect of the double glass module. In addition, the backboard designed by the invention has excellent adhesion,insulation, ultraviolet resistance and damp-heat aging resistance, and can ensure the long-term reliability of the double-glass module in the outdoor environment.

Description

technical field [0001] The invention belongs to the field of solar energy packaging materials, and in particular relates to a transparent solar backboard. Background technique [0002] Photovoltaic power generation is a green and clean energy, which is in line with the development direction of energy transformation and plays an important role in the energy revolution. The double-sided double-glass module in the aspect of high-efficiency battery components is a very promising technology in the photovoltaic industry. The cells used in it have the characteristics of generating electricity on the front and back sides, and transparent glass with high light transmittance is generally used in component packaging. Backplane or transparent glass, so as to maximize the power generation of double-glass modules. For the module, the light will pass through the transparent glass and the adhesive film to reach the backplane area. If a white backplane is used or the rear adhesive film is a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/049H01L31/048H01L31/054
CPCH01L31/0481H01L31/049H01L31/0547Y02E10/52
Inventor 詹志英林维红林建华
Owner HANGZHOU FIRST APPLIED MATERIAL CO LTD
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