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Blue-green front plate glass for photovoltaic module and blue-green photovoltaic module prepared from blue-green front plate glass

A technology of front glass and photovoltaic modules, which is applied in the field of solar cells, can solve the problems of poor aesthetics, single color of photovoltaic modules, and single color, and achieve the effects of low cost, single color improvement, and simple preparation process

Pending Publication Date: 2020-08-25
BEIJING JINMAO GREEN BUILDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to provide a blue-green front plate glass for photovoltaic modules to solve the problem of single color of photovoltaic modules in the prior art;
[0006] The second technical problem to be solved by the present invention is to provide a blue-green photovoltaic module to solve the problems of poor aesthetics and single color of photovoltaic modules in the prior art

Method used

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  • Blue-green front plate glass for photovoltaic module and blue-green photovoltaic module prepared from blue-green front plate glass
  • Blue-green front plate glass for photovoltaic module and blue-green photovoltaic module prepared from blue-green front plate glass
  • Blue-green front plate glass for photovoltaic module and blue-green photovoltaic module prepared from blue-green front plate glass

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Experimental program
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Effect test

Embodiment 1

[0051] The blue-green front plate glass described in this embodiment includes a glass substrate and a blue-green dielectric film block designed with a three-layer structure, and the specific structure is designed as: air / / glass substrate / / high refractive index material H / / low refractive index material L / / high refractive index material H / / organic polymer, where:

[0052] The first functional layer (H): that is, made of high refractive index material Si 3 N 4 (n at 550nm H =1.92) formed high refractive index layer H, the thickness is 60nm;

[0053] The second functional layer (L): that is, made of low refractive index material SiO 2 (n at 550nm L =1.45) formed low refractive index layer L, the thickness is 80nm;

[0054] The third functional layer (H): that is, made of high refractive index material Si 3 N 4 (n at 550nm H =1.92) formed the high refractive index layer H with a thickness of 190 nm.

[0055] The glass substrate is ultra-clear tempered glass with a thickne...

Embodiment 2

[0066] The blue-green front plate glass described in this embodiment includes a glass substrate and a blue-green dielectric film block designed with a three-layer structure, and the specific structure is designed as: air / / glass substrate / / high refractive index material H / / low refractive index material L / / high refractive index material H / / organic polymer, where:

[0067] The first functional layer (H): made of high refractive index material TiO 2 (n at 550nm H =2.32) the high refractive index layer H formed has a thickness of 170nm;

[0068] The second functional layer (L): that is, made of low refractive index material SiO 2 (n at 550nm L =1.45) formed low refractive index layer L, the thickness is 70nm;

[0069] The third functional layer (H): that is, made of high refractive index material TiO 2 (n at 550nm H =2.32) to form a high refractive index layer H with a thickness of 30 nm.

[0070] The glass substrate is ultra-clear tempered glass with a thickness of 5mm and...

Embodiment 3

[0081] The blue-green front plate glass described in this embodiment includes a glass substrate and a blue-green dielectric film block designed with a 5-layer structure, and the specific structure is designed as: air / / glass substrate / / high refractive index material H / / low refractive index material L / / high refractive index material H / / low refractive index material L / / high refractive index material H / / organic polymer, where:

[0082] The first functional layer (H): that is, made of high refractive index material Si 3 N 4 (n at 550nm H =1.92) formed high refractive index layer H, the thickness is 60nm;

[0083] The second functional layer (L): that is, made of low refractive index material SiO 2 (n at 550nm L =1.45) formed low refractive index layer L, the thickness is 70nm;

[0084] The third functional layer (H): that is, made of high refractive index material Si 3 N 4 (n at 550nm H =1.92) formed high refractive index layer H, the thickness is 90nm;

[0085] The fourt...

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Abstract

The invention belongs to the field of solar cells, particularly relates to blue-green front plate glass for a photovoltaic module, and further discloses a blue-green photovoltaic module prepared fromthe blue-green front plate glass. According to the blue-green front plate glass disclosed by the invention, high-refractive-index layers and low-refractive-index layers which are alternately superposed are formed by depositing materials with different refractive indexes, a required blue-green dielectric film block is formed by adjusting the thickness matching among the layers, and the blue-green front plate glass capable of being used for the photovoltaic module is formed by depositing the blue-green dielectric film block on the surface of a glass substrate. The blue-green front plate glass has high transmittance and good weather resistance and water resistance in a sunlight waveband range; the photovoltaic module has excellent color uniformity in an angle range with a reflection angle notgreater than 60 degrees and has color saturation higher than 20 at a near-normal reflection angle, the appearance effect of the photovoltaic module can be effectively improved, the problem of the single color of a traditional photovoltaic module is effectively improved, and the requirement of the photovoltaic building integration for an appearance color can be met.

Description

technical field [0001] The invention belongs to the field of solar cells, in particular to a blue-green front plate glass for a photovoltaic module, and further discloses a blue-green photovoltaic module prepared therefrom. Background technique [0002] With the rapid development of the economy, the demand for energy is getting stronger and stronger. Due to the use of traditional coal, oil, natural gas and other fossil fuels, a large amount of toxic and harmful substances will be discharged, which will cause serious pollution to water, soil and the atmosphere, and even form the greenhouse effect and acid rain, seriously endangering the living environment and health of human beings. , therefore, renewable clean energy has received more and more attention. Solar energy has become a key development direction in the current energy field because of its clean, pollution-free and inexhaustible advantages. [0003] Building Integrated Photovoltaic (BIPV, Building Integrated PV, PV...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0216H01L31/048H02S20/26C03C17/34
CPCH01L31/0488H01L31/02167H02S20/26C03C17/3435C03C2218/154C03C2218/31C03C2217/734C03C2217/72Y02E10/50Y02B10/10
Inventor 杨中周方振雷凌强张燎原陶海全吴旭东孙志强张超
Owner BEIJING JINMAO GREEN BUILDING TECH CO LTD
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