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Photovoltaic laminating piece, preparation method thereof and photovoltaic module

A photovoltaic layer and pressing technology, applied in photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problem of cell crack cleaning workload, etc., to avoid cell crack crack, reduce manual workload, and reduce cleaning frequency and workload effects

Inactive Publication Date: 2016-04-13
ZHANGJIAGANG GCL INTEGRATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a photovoltaic laminate that is not easy to cause cell cracks and is easy to clean in view of the problems of existing photovoltaic laminates that are prone to cell cracks and heavy cleaning workload.

Method used

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  • Photovoltaic laminating piece, preparation method thereof and photovoltaic module
  • Photovoltaic laminating piece, preparation method thereof and photovoltaic module
  • Photovoltaic laminating piece, preparation method thereof and photovoltaic module

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] see Figure 1-2 , the photovoltaic laminate 100 according to an embodiment of the present invention includes a transparent cover sheet 110 , a first sealing layer 120 , a battery sheet layer 130 , a second sealing layer 140 and a back sheet 150 sequentially laminated.

[0038] Wherein, the battery sheet layer 130 includes several connected battery sheets 133 and a bus strip 131 electrically connected to the battery sheets 133 . The specific structure of the battery sheet 133 can adopt various structures known to those skilled in the art, and will not be repeated here! The bus strip 131 is ...

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Abstract

The invention relates to a photovoltaic laminating piece. The photovoltaic laminating piece comprises a transparent cover plate, a first sealing layer, a battery piece layer, a second sealing layer and a back plate which are laminated in sequence, wherein the battery piece layer comprises a plurality of connected battery pieces and a converge belt electrically connected onto the battery pieces; an electrode exposing hole is formed in the back plate, and the electrode exposing hole passes through the back plate and the second sealing layer so that the converge belt is leaked out. According to the photovoltaic laminating piece, the hidden cracking problem of the battery pieces caused by improper outgoing line penetration is avoided; and the manual workload can be greatly reduced. Moreover, the electrical connection quality of the photovoltaic laminating piece and a junction box is improved, the workload of subsequent cleaning stations is reduced, and the cleaning frequency and workload of a laminating machine are reduced. The invention also provides a preparation method of the photovoltaic laminating piece and a photovoltaic module comprising the photovoltaic laminating piece.

Description

technical field [0001] The invention relates to the technical field of photovoltaic cells, in particular to a photovoltaic laminate, a preparation method thereof, and a photovoltaic module. Background technique [0002] At present, the production process of photovoltaic laminates is generally to open holes in the predetermined positions of the back sheet and the upper EVA, and then stack the transparent cover, the lower EVA, the battery sheet, the upper EVA, and the back sheet. Pass the bus strip connected to the battery sheet through the upper EVA and the opening on the back panel so that the bus strip extends out of the back panel, that is, the action of leading out the line in the stack; after that, laminate the stacked components to form photovoltaic laminates. [0003] However, it is easy for the operator to cause cracks in the battery sheet due to careless operation when the operator is threading out the wires; improper threading out of the wires is one of the most im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/18H01L31/042
CPCH01L31/042H01L31/048H01L31/1876Y02E10/50Y02P70/50
Inventor 马俊郑加镇金健刘汪利
Owner ZHANGJIAGANG GCL INTEGRATION TECH CO LTD
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