Photovoltaic laminate and preparation method thereof, photovoltaic module and photovoltaic packaging structure

Abstract

The invention relates to a photovoltaic lamination element. The photovoltaic lamination element comprises a transparent cover plate, a first sealing layer, a battery piece layer, a second sealing layer and a backplate, which are sequentially laminated, wherein the battery piece layer comprises a plurality of connected battery pieces, the photovoltaic lamination element also comprises a convergence strip, an insulation sheet and an identification code structure, and the identification code structure is formed on the convergence strip or the insulation sheet. In the above photovoltaic lamination element, the identification code structure is directly formed on the convergence strip or the insulation sheet, manual sticking is not needed, the formation of the identification code structure is automatically achieved by a machine, and the product cost is reduced; moreover, the identification code structure is difficult to age and cannot be layered, and the problem that the identification code structure cannot be identified is prevented; and the photovoltaic lamination element is attractive in appearance, and the product competiveness is enhanced. The invention also provides a fabrication method of the above photovoltaic lamination element and a photovoltaic module and a photovoltaic package structure containing the photovoltaic lamination element.

Description

technical field [0001] The invention relates to the technical field of photovoltaic cells, in particular to a photovoltaic laminate and a preparation method thereof, a photovoltaic module and a photovoltaic packaging structure. Background technique [0002] At present, the process of embedding barcodes in photovoltaic laminates is generally as follows: firstly, a barcode printer prints the barcode on PET label paper to form a barcode label. Then, before the module is laminated, the barcode label is manually attached to the bus bar with tweezers, and finally laminated to form a photovoltaic laminate. [0003] However, PET label paper is very thin and soft, and it is prone to wrinkles during the attachment process. At the same time, it is also prone to reverse and wrong stickers, which requires high manual proficiency. In addition, after a long time, the product will age, and the barcode will be delaminated with the bus bar, which has the risk of delamination; there will also...

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a photovoltaic laminate that can be produced automatically and avoid the problem of unrecognizable aging in view of the existing labeling process of photovoltaic laminates that has high labor requirements and the risk of unrecognizable aging

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