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Co-extrusion type solar module back plate and preparation method thereof

A solar module and backplane technology, applied in chemical instruments and methods, electrical components, semiconductor devices, etc., can solve the problems of limited absorption conversion rate of photovoltaic panels, achieve good light transmission, excellent impact resistance, and improve conversion efficiency effect

Active Publication Date: 2021-04-16
蚌埠英利新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the existing photovoltaic panel materials, the absorption conversion rate of the photovoltaic panel is limited when the sunlight passes through it once, and the excess energy is irradiated to the backplane through the photovoltaic panel. Concentrated solar module backsheet

Method used

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  • Co-extrusion type solar module back plate and preparation method thereof
  • Co-extrusion type solar module back plate and preparation method thereof

Examples

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Embodiment 1

[0031] refer to Figure 1-2 , a co-extruded solar module backsheet, its whole from bottom to top is EVA coating 11, first support layer 12, EVA partition layer 13, filling adhesive layer 21, metal plating layer 23, second support layer 31 , weather-resistant layer 32, a number of glass beads 22 are fixed between the filling adhesive layer 21 and the metal coating 23;

[0032] EVA coating 11, first support layer 12, EVA partition layer 13 three-layer co-extrusion combined to form upper backplane layer 1; filling adhesive layer 21, glass beads 22, metal coating 23 bonded to form reflective layer 2; The support layer 31 and the weather-resistant layer 32 are co-extruded and combined to form the lower backplane layer 3;

[0033] The glass beads 22 are arranged adjacent to each other, evenly distributed, and embedded in the filling adhesive layer 21 and the metal plating layer 23; the metal plating layer 23 is distributed along the contact surface with the filling adhesive layer 2...

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Abstract

The invention belongs to the field of photovoltaics, and particularly relates to a co-extrusion type solar module back plate and a preparation method thereof. The solar module back plate integrally comprises an EVA coating, a first support layer, an EVA partition layer, a filling bonding layer, a metal plating layer, a second support layer and a weather-proof layer from bottom to top; a plurality of glass beads are fixed between the filling bonding layer and the metal plating layer; the solar module backboard has excellent impact resistance, heat resistance, heat discoloration resistance and light weight, the reflective layer performs condensation reflection on incoming sunlight to perform secondary irradiation on the photovoltaic cell panel, and therefore the conversion efficiency of the photovoltaic cell panel can be improved.

Description

technical field [0001] The invention belongs to the field of photovoltaics, in particular to a co-extruded solar module backboard and a preparation method thereof. Background technique [0002] In recent years, the world has begun to promote the use of green energy. Solar energy is an important direction for green energy. In recent years, my country has also begun to vigorously promote the use of solar energy, and solar power generation has become an important way of using solar energy. Photovoltaic panels are the main core components of solar power generation, and improving their absorption and conversion efficiency for solar energy is the main research direction of solar power generation. Due to the limitations of the existing photovoltaic panel materials, the absorption conversion rate of the photovoltaic panel is limited when the sunlight passes through it once, and the excess energy is irradiated to the backplane through the photovoltaic panel. Concentrating solar modu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/36B32B27/30B32B33/00B32B3/08B32B3/30B32B7/12B32B37/06B32B37/10B32B37/12B32B38/00H01L31/048H01L31/049H01L31/054
CPCY02E10/52
Inventor 谈秋一陈卫王怀峰
Owner 蚌埠英利新能源科技有限公司
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