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A solar cell module

A technology of solar cells and solar cells, applied in the field of solar cells, can solve the problems of rising working temperature, affecting the performance of cells, and inability to make full use of sunlight, etc., to achieve the effect of increasing output power and high output power

Active Publication Date: 2019-12-10
苏州市相城区黄桥工业园经济发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main structure of conventional silicon solar cell modules is: tempered glass plate, first EVA layer, cell layer, second EVA layer, back plate and aluminum alloy frame, the whole module cannot make full use of the sunlight shining on the module, In turn, part of the sunlight will be converted into heat, which will increase the operating temperature of the module and affect the performance of the cells in the module.

Method used

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Embodiment 1

[0031] Such as figure 1 As shown, the present invention proposes a solar cell assembly, comprising: a solar cell backplane 1, a first EVA encapsulant layer 21 is laid on the solar cell backplane 1; a first solar cell layer, the first solar cell The cell layer is laid on the first EVA encapsulant layer 21, and the first solar cell layer includes a plurality of first cell sheets 31 in an array, between adjacent first cell sheets 31 in the lateral direction The ratio of the pitch to the width of the first battery sheet 31 is 2, and the distance between the adjacent first battery sheets 31 in the longitudinal direction is 1.5 millimeters; the second EVA packaging adhesive layer 22 is laid on the first On the solar cell sheet layer, the first scattering epoxy resin adhesive layer 41 is laid on the second EVA encapsulation adhesive layer 22, and the first scattering epoxy resin adhesive layer 41 includes 70 parts by weight of epoxy resin adhesive and 7 parts by weight of glass bead...

Embodiment 2

[0037] This embodiment provides another solar cell assembly. Compared with Embodiment 1, the only difference is that the ratio of the width of the first overlapping region to the width of the first cell sheet 31 is 0.3, and the second overlapping The ratio of the width of the area to the width of the second battery sheet 32 ​​is 0.3, the ratio of the width of the third overlapping area to the width of the third battery sheet 33 is 0.3, and the width of the fourth overlapping area and The ratio of the width of the first battery slice 31 is 0.6, the length of the first, second, third, and fourth battery slices (31-34) is 156 millimeters, and the first, second, and fourth battery slices (31-34) are all 156 mm long. The widths of the three battery sheets (31-33) are all 20 mm, and the width of the fourth battery sheet 34 is 30 mm.

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Abstract

Disclosed is a high-performance solar cell module comprising a laminated solar cell back panel, a first EVA encapsulant layer, first solar cell sheet layer, a second EVA encapsulant layer. a first scattering type epoxy resin adhesive layer A third EVA encapsulant layer, second solar cell sheet, fourth EVA encapsulant layer. a second scattering type epoxy resin adhesive layer a fifth EVA encapsulant layer, a third solar cell sheet layer, a sixth EVA encapsulant layer, a third scattering type epoxy adhesive layer, a seventh EVA encapsulant layer, a fourth solar cell sheet layer, an eighth EVA encapsulant layer, and a glass cover plate, wherein the solar cell sheets in each solar cell sheet layer have an overlapping region in the vertical direction. The solar cell module of the invention canbe assembled with more battery sheets, thereby improving the space utilization rate of the module and further improving the output power thereof.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a solar cell component. Background technique [0002] Solar energy refers to the radiant energy of sunlight. Since ancient times, organisms on the earth mainly rely on the light and heat provided by the sun to survive, and human beings also know how to use sunlight to dry objects and use them as a method of preserving food, such as making salt and drying fish wait. As fossil fuels such as coal and oil are decreasing day by day, solar energy has become an important part of energy used by human beings and has been continuously developed. There are two ways to use solar energy: photothermal conversion and photoelectric conversion. Solar cells are based on semiconductor PN junctions or PIN junctions. They use photoelectric materials to absorb light energy and then undergo a photoelectric conversion reaction to directly convert light energy into electrical energy. The conversion...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/048H01L31/054
CPCH01L31/0481H01L31/0547Y02E10/52
Inventor 管先炳
Owner 苏州市相城区黄桥工业园经济发展有限公司
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