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Silver paste for photovoltaic assembly

A photovoltaic module and silver paste technology, applied in photovoltaic power generation, electrical components, semiconductor devices, etc., can solve problems such as restricting the development and expansion of photovoltaic industry, and achieve good cold and heat cycle resistance, balanced internal and external lubrication, and good effect. Effect

Inactive Publication Date: 2011-09-07
DONGGUAN ALBIYA ENERGY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the solar cell silver paste market, Chinese manufacturing is still in a blank state, and the silver paste used in domestic solar cell production is all imported, causing solar cell silver paste to become a raw material with a higher degree of dependence on foreign materials than polysilicon materials, and serious constraints The development and growth of my country's photovoltaic industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Firstly, 20 parts of bisphenol A type cyanate and epoxy resin interpolymer were modified with 1 part of polymethylsilsesquioxane and 1.5 parts of octavinyl clathrate silsesquioxane.

[0027] In addition, in the modified interpolymer, add 2 parts of heptameric cage silsesquioxane trisilanol, 1.5 parts of dodecyl amino cage silsesquioxane, 0.7 parts of γ-[(2,3)- Glycidyloxy]propyl triethoxysilane, 0.6 parts of N-anilinopropyl triethoxysilane, 0.8 parts of 1% triphenylphosphine platinum chloride solution, 0.3 parts of monoglyceride stearate, 0.4 parts Part oleic acid, 0.5 part methyl pentanol, 0.2 part fatty acid polyethylene glycol ester, 0.6 part quaternary ammonium salt cationic surfactant, 0.5 part polyoxyethylene fatty amine, 0.2 part fatty alcohol polyoxyethylene ether, 0.3 part Isomerized C13 polyoxyethylene ether, 0.6 parts of hydrogenated castor oil, 1.2 parts of acetylene carbon black, 67.1 parts of silver powder

[0028] After sintering at 300-400°C, this produ...

Embodiment 2

[0030]Firstly, 1.5 parts of polyphenylsilsesquioxane and 1 part of octavinyl clathrate silsesquioxane were used to modify 17 parts of bisphenol A cyanate and epoxy resin interpolymer.

[0031] In addition, in the modified interpolymer, add 1.5 parts of hepta-cage silsesquioxane trisilanol, 1.5 parts of octahydroxy cage silsesquioxane, 0.5 parts of γ-[(2,3)-ring Oxypropoxy]propyl triethoxysilane, 0.9 parts of N-anilinopropyl triethoxysilane, 0.7 parts of 1% triphenylphosphine platinum chloride solution, 0.4 parts of hexenylbisstearamide, 0.3 parts Glyceryl tristearate, 0.5 part of methyl amyl alcohol, 0.3 part of triethylhexyl phosphoric acid, 0.7 part of quaternary ammonium cationic surfactant, 0.3 part of polyoxyethylene fatty amine, 0.5 part of fatty alcohol polyoxyethylene ether, 0.4 1 part of isomerized C13 polyoxyethylene ether, 0.7 part of hydrogenated castor oil, 1 part of acetylene carbon black, 70.3 parts of silver powder

[0032] After sintering at 350-400℃, this pr...

Embodiment 3

[0035] Firstly, 15 parts of bisphenol A type cyanate and epoxy resin copolymer were modified with 1 part of polyphenylsilsesquioxane and 1 part of octavinyl clathrate silsesquioxane.

[0036] In addition, in the modified interpolymer, add 1.2 parts of hepta-cage silsesquioxane trisilanol, 1.3 parts of octahydroxy cage silsesquioxane, 1 part of γ-[(2,3)-cyclo Oxypropoxy]propyl triethoxysilane, 0.5 parts of N-anilinopropyl triethoxysilane, 0.3 parts of 1% triphenylphosphine platinum chloride solution, 0.5 parts of oleic acid acyl, 0.2 parts of tristearyl glyceryl acid ester, 0.5 part of methyl amyl alcohol, 0.3 part of cellulose derivative, 0.3 part of gull gum, 0.9 part of quaternary ammonium salt cationic surfactant, 0.5 part of polyoxyethylene fatty amine, 0.2 part of fatty alcohol polyoxyethylene ether, 0.5 parts of isomeric C13 polyoxyethylene ether, 0.8 parts of hydrogenated castor oil, 1.5 parts of acetylene carbon black, and 72.5 parts of silver powder.

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PUM

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Abstract

The invention discloses silver paste for a photovoltaic assembly. The silver paste is characterized by being prepared by mixing the following materials in percentage by weight: 60-85% of silver powder, 10-30% of resin, 1-5% of modifier, 3-8% of crosslinking agent, 0.001-0.01% of catalyst, 0.5-2% of tackifier, 0.5-3% of dispersant, 2-15% of silicone oil and 2-10% of other auxiliary materials. The silver powder with the particle size of 60nm-30mum is preferentially selected, the copolymer of bisphenol-A cyanate ester and epoxy resin is modified by the modifier to improve the curing properties of the resin. The crosslinking agent matched with the modified copolymer is preferentially selected, and a proper amount of catalyst is added to improve the curing speed. A certain amount of dispersing agent is added to the reaction system of the silver paste, thus the product is more uniform after being mixed. A proper amount of tackifier is added to improve the binding power of the product, and a certain amount of auxiliary materials is additionally added to improve the storage stability, the printing performance and the conductivity of the product.

Description

technical field [0001] The invention belongs to macromolecule materials, relates to the field of solar photovoltaic module assembly and connection materials, and particularly refers to an EVA film used for conducting electricity in photovoltaic modules. Background technique [0002] There has never been an event in human history like the Copenhagen Conference at the end of 2009, which made words such as "energy conservation and emission reduction" and "low carbon" so deeply rooted in people's hearts, and the development direction and navigation indicators of the global economy have also turned to a low-carbon economy. As a clean and renewable energy source, solar energy is one of the ideal energy sources for a low-carbon society in the future. At present, it is receiving more and more attention from all over the world. [0003] Since solar energy resources are inexhaustible, the photovoltaic power generation process has the advantages of no pollution, no emissions, no noise,...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08L83/04C08K13/02C08K3/08C08K5/549C08K5/5435C08K5/544C08K3/04H01L31/048
CPCY02E10/50
Inventor 赵文川
Owner DONGGUAN ALBIYA ENERGY SCI & TECH