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Solar cell module

A technology of solar cells and power generation components, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as the influence of solar cells and components, and achieve the effect of suppressing the PID phenomenon

Inactive Publication Date: 2017-09-08
MITSUI CHEM TOHCELLO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when an EVA composition is used as a constituent material of a solar cell sealing material, components such as acetic acid gas generated by the decomposition of EVA may affect the solar cell element

Method used

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  • Solar cell module
  • Solar cell module

Examples

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Embodiment 1

[0219] Relative to ethylene-α-olefin copolymer (α-olefin: 1-butene, density: 0.870g / cm 3 , MFR20g / 10min, content ratio of constituent units derived from ethylene: 86mol%, ratio of constituent units derived from α-olefin: 14mol%, Shore A hardness: 70, content of aluminum element: 102ppm, according to WO2012 / Synthesis in Synthesis Example 1 described in Paragraph 0178 of 046456. ) 100 parts by mass, blended with 0.5 parts by mass of γ-methacryloxypropyl trimethoxysilane as a silane coupling agent, tert-butyl peroxide- 1.0 parts by mass of 2-ethylhexyl carbonate, 1.2 parts by mass of triallyl isocyanurate as a crosslinking aid, 0.4 parts by mass of 2-hydroxy-4-n-octyloxybenzophenone as an ultraviolet absorber Parts by mass, 0.2 parts by mass of bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate as light stabilizer, and tris(2,4- 0.1 parts by mass of di-t-butylphenyl)phosphite, 0.1 parts by mass of octadecyl-3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate as heat-resistant stabilizer...

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Abstract

This solar cell module is provided with an n-type crystal silicon-based solar cell element as an electric power generating element, wherein, at least one surface of the n-type crystal silicon-based solar cell element is sealed with a solar cell sealing material containing an ethylene- alfa -olefin copolymer which satisfies the following requirements a1) to a4). a1) The content ratio of structural units derived from ethylene is 80-90% molar and the content ratio of structural units derived from a C3-20 alfa-olefin is 10-20% molar. a2) The MFR measured at 190 degrees C under a load of 2.16 kg according to ASTM D1238 is 0.1-50 g / 10 minutes. a3). The density as measured according to ASTM D1505 is 0.865-0.884 g / cm3. a4) The Shore A hardness as measured according to ASTM D2240 is 60-85.

Description

[0001] technology area [0002] The present invention relates to solar cell modules. Background technique [0003] The severity of global environmental problems and energy problems is increasing, and solar cells are attracting attention as a method of generating energy that is clean and does not worry about exhaustion. When the solar cell is used outdoors such as on the roof of a building, it is generally used in the form of a solar cell module. [0004] The solar cell module described above is generally manufactured through the following steps. First, a crystalline solar cell element (hereafter, it may be described as a power generation element or a cell, but the meaning is the same) formed of polycrystalline silicon, single crystal silicon, etc. is produced, or amorphous silicon, crystalline silicon, etc. are formed on glass Thin-film solar cell elements formed by forming a very thin film of a few μm on a substrate. [0005] Next, in order to obtain a crystalline solar ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048C08F210/00C08L23/08C09K3/10
CPCC08F210/16C09D123/0815C08F210/00H01L31/0481H01L31/0488H01L31/049Y02E10/50C08F210/08C08F2500/08C08F2500/12C08J5/18C08J2323/08C08K5/0008C08K5/005C09K3/10C09K2200/062
Inventor 室伏贵信德弘淳
Owner MITSUI CHEM TOHCELLO INC