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Sealing adhesive film for solar cell

A solar cell and sealant film technology, applied in circuits, adhesives, photovoltaic power generation, etc., can solve problems affecting photoelectric conversion efficiency and lower transmittance of EVA film, achieve stable optical performance, ensure photoelectric conversion efficiency, The effect of increasing light transmittance

Active Publication Date: 2011-11-23
乐凯胶片股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But doing so will reduce the light transmittance of the EVA film and affect the photoelectric conversion efficiency.

Method used

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  • Sealing adhesive film for solar cell
  • Sealing adhesive film for solar cell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] 3 parts by weight of tert-butyl peroxy-2-ethylhexyl carbonate (Beijing Chiayi Chemical Co., Ltd. TBEC) as the organic peroxide crosslinking agent and 3 parts by weight of trimethylolpropane trimethacrylate ( Sartomer SR350) was added as a crosslinking accelerator to 100 parts by weight of ethylene-vinyl acetate copolymer with a VA content of 26 parts by weight and mixed evenly; then 2 parts by weight of an anti-aging agent (containing 0.8 parts by weight of 2, 2'-Dihydroxy-4-methoxybenzophenone (Eversorb 52 from Taiwan Yongguang Chemical Co., Ltd.) as a UV absorber, 0.6 parts by weight of Lowilite-62 and Lowilite-94 in a weight ratio of 1:1 (Chemtura Corporation ) as a light stabilizer, 0.2 parts by weight of tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester (IRGANOX-1010 from Ciba Specialty Chemicals) and A mixture of 0.2 parts by weight of tris (2,4-di-tert-butylphenyl) phosphite (Ciba Specialty Chemicals IRGAFOS-168) as an antioxid...

Embodiment 2

[0062] 1 part by weight of tert-butyl peroxy-isopropyl carbonate (Saen Chemical Technology Co., Ltd.) Ma SR350) as a cross-linking accelerator was added to 100 parts by weight of ethylene-vinyl acetate copolymer with a VA content of 28 parts by weight and mixed evenly; then 1 part by weight of anti-aging agent (containing 0.2 parts by weight of 2,2' -Dihydroxy-4-methoxybenzophenone (Eversorb 52 from Taiwan Yongguang Chemical) as a UV absorber, 0.2 parts by weight of a mixture of Lowilite-62 and Lowilite-94 with a weight ratio of 1:1 (Chemtura Company) as Light stabilizer, 0.2 parts by weight of tetrakis [methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester (IRGANOX-1010 from Ciba Specialty Chemicals) and 0.1 parts by weight A mixture of three (2,4-di-tert-butylphenyl) phosphite (Ciba Specialty Chemicals IRGAFOS-168) as an antioxidant, 0.3 parts by weight of nano-magnesium hydroxide (Yantai Aifer Chemical Technology Co., Ltd.) as an acid absorb...

Embodiment 3

[0064] 0.1 parts by weight of tert-butyl peroxystearyl carbonate (Wuhan Xihua WH-3062) as an organic peroxide crosslinking agent and 0.1 parts by weight of trimethylolpropane trimethacrylate (Sartomer SR350 ) as a cross-linking accelerator was added to 100 parts by weight of ethylene-vinyl acetate copolymer with a VA content of 28 parts by weight and mixed uniformly; then 0.05 parts by weight of an anti-aging agent (containing 0.02 parts by weight of Hydroxy-4-methoxybenzophenone (Eversorb 52 from Taiwan Yongguang Chemical) was used as an ultraviolet light absorber, and 0.01 parts by weight of a mixture of Lowilite-62 and Lowilite-94 with a weight ratio of 1:1 (Chemtura Company) was used as a photostabilizer agent, 0.01 parts by weight of tris(2,4-di-tert-butylphenyl) phosphite (Ciba Specialty Chemical IRGAFOS-168) as an antioxidant, 0.01 parts by weight of nano-magnesium hydroxide (Yantai Aifer Seoul Chemical Technology Co., Ltd.) as an acid absorbent), 1 part by weigh...

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PUM

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Abstract

The invention discloses a sealing adhesive film for a solar cell, comprising a functional compound with the refractive index n of not less than 1.55. The functional compound accounts for 0.009-0.988 percent of total weight of the adhesive film and is sulfur-containing resin containing a reactive functional group or resin containing a delocalization electronic conjugated system. According to the sealing adhesive film disclosed by the invention, the defect that the light transmittance of the adhesive film is reduced because acid absorbent inorganic particles are added is overcome and the light transmittance of the adhesive film is improved, so that the EVA (Ethylene Vinyl Acetate) adhesive film has the characteristics of durability, electrode corrosion inhibition, stable optical performance, and the like; and the photoelectric conversion efficiency and the service life of a solar battery assembly are ensured.

Description

technical field [0001] The invention relates to an improved solar cell sealing adhesive film. Background technique [0002] Traditional fuel energy is decreasing day by day, and the harm to the environment is becoming more and more prominent. At the same time, the whole world is turning its attention to renewable energy, hoping that renewable energy can change human energy structure and maintain long-term sustainable development. Abundant solar radiation energy is an important energy source, which is inexhaustible, non-polluting, cheap, and can be freely utilized by human beings. [0003] Solar cells are the most typical application of solar energy. Solar power generation uses the quantum effect principle of silicon semiconductors to directly convert the visible light of solar energy into electrical energy. During this process, if the silicon wafer is directly exposed to the atmosphere, its photoelectric conversion performance will easily decay and lose its practical value....

Claims

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Application Information

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IPC IPC(8): C09J7/00C09J11/06C09J123/08H01L31/048
CPCY02E10/50
Inventor 范云峰王莉王小记郑凯
Owner 乐凯胶片股份有限公司
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