CN-121985594-A - Curved photovoltaic tile and method for manufacturing the same

CN121985594ACN 121985594 ACN121985594 ACN 121985594ACN-121985594-A

Abstract

The invention discloses a curved photovoltaic tile and a manufacturing method thereof. The method comprises the steps of cutting at least one complete battery piece to obtain a plurality of plane battery pieces, electrically connecting the plurality of plane battery pieces to form a plane battery whole, arranging the plane battery whole on a plane backboard to obtain a plane assembly, shaping the plane assembly to obtain a curved surface assembly, and laminating and fixing the curved surface assembly and a curved surface panel to obtain the curved photovoltaic tile, wherein the shape of the curved surface assembly is identical to that of the curved surface panel. Therefore, the size of the formed planar battery piece is smaller by cutting the complete battery piece, and the deformation of the planar battery piece on the curved surface panel can be reduced when the planar assembly is molded, so that the hidden crack risk of the planar battery piece is reduced.

Inventors

GU HONGYANG
YU HUAJUN
ZHU YANJUN
WANG LINQIANG
HAN YINGJIE

Assignees

深圳市华宝新能源股份有限公司

Dates

Publication Date: 20260505
Application Date: 20241030

Claims (10)

1. The manufacturing method of the curved photovoltaic tile is characterized by comprising the following steps of: Cutting at least one complete battery piece to obtain a plurality of planar battery pieces; Electrically connecting a plurality of the planar battery pieces to form a planar battery whole; arranging the whole planar battery on a planar backboard to obtain a planar assembly; Shaping the planar component to obtain a curved surface component; and laminating and fixing the curved surface component and the curved surface panel to obtain the curved surface photovoltaic tile, wherein the shape of the curved surface component is the same as that of the curved surface panel.
2. The method of manufacturing according to claim 1, wherein the planar battery sheet has a width of 20mm to 105mm.
3. The method of manufacturing according to claim 1, wherein the integrally disposing the planar battery on a planar back plate to obtain a planar assembly comprises: And sticking the whole planar battery on the planar backboard through first adhesive to form the planar assembly.
4. The method of manufacturing according to claim 3, wherein the attaching the planar battery as a whole to the planar back plate by a first adhesive to form the planar assembly comprises: the first adhesive is arranged on the plane backboard; integrally disposing the planar battery on the first adhesive; And pressing the whole planar battery with the planar backboard to form the planar assembly.
5. The method of manufacturing of claim 4, wherein said laminating the planar battery as a whole with the planar back plate to form the planar assembly comprises: The whole planar battery and the planar backboard are pressed and fixed in a multi-section pressing mode, and the pressing temperature of each section is increased section by section.
6. The method of manufacturing according to claim 3, wherein the attaching the planar battery as a whole to the planar back plate by a first adhesive to form the planar assembly further comprises: and a packaging layer is arranged on one side of the whole planar battery, which is away from the first adhesive.
7. The method of manufacturing according to claim 1, wherein shaping the planar component to obtain a curved component comprises: and pressing the plane component at a preset temperature by using a shaping tool to obtain a curved surface component.
8. The method of manufacturing according to claim 1, wherein laminating and fixing the curved assembly and the curved panel to obtain the curved photovoltaic tile comprises: and a second adhesive and a curved surface panel are arranged on one side, which is away from the curved surface backboard, of the curved surface battery of the curved surface assembly in a lamination way, and the curved surface assembly and the curved surface panel are pressed together.
9. The method of manufacturing according to claim 8, wherein the pressing the curved assembly and the curved panel comprises: and the curved surface component and the curved surface panel are pressed and fixed in a multi-section pressing mode, and the pressing force of each section of pressing is increased section by section.
10. A curved photovoltaic tile, characterized in that it is produced by the manufacturing method according to any one of claims 1 to 9.

Description

Curved photovoltaic tile and method for manufacturing the same Technical Field The invention relates to the technical field of photovoltaics, in particular to a curved photovoltaic tile and a manufacturing method thereof. Background Along with the remarkable problems of energy shortage, climate emission and the like, the world is increasingly concerned with clean and pollution-free renewable energy sources, and solar energy is an inexhaustible green energy source. Currently, the application field of photovoltaic power generation is wide, solar energy and building integrated design (BIPV) gradually becomes trend, and a residential roof is a main application area of distributed photovoltaic. The photovoltaic tile is usually formed by laminating tempered glass and a battery sheet, then framing the laminate with an aluminum frame, and sealing the edge portion with silica gel. However, when flat glass and flat cells are laminated to form a curved photovoltaic tile, the cells are prone to spalling, resulting in product failure. Disclosure of Invention The invention provides a curved photovoltaic tile and a manufacturing method thereof. The manufacturing method of the curved photovoltaic tile comprises the following steps: Cutting at least one complete battery piece to obtain a plurality of planar battery pieces; Electrically connecting a plurality of planar battery pieces to form a planar battery whole; arranging the whole planar battery on a planar backboard to obtain a planar assembly; Shaping the planar assembly to obtain a curved surface assembly; And laminating and fixing the curved surface component and the curved surface panel to obtain the curved photovoltaic tile, wherein the shape of the curved surface component is the same as that of the curved surface panel. Therefore, the size of the formed planar battery piece is smaller by cutting the complete battery piece, and the deformation of the planar battery piece on the curved surface panel can be reduced when the planar assembly is molded, so that the hidden crack risk of the planar battery piece is reduced. In addition, the curved surface assembly is obtained by shaping the plane assembly, and then the curved surface assembly and the curved surface panel are laminated and fixed, so that the pressure required by forming the curved surface photovoltaic tile by laminating and fixing the curved surface assembly and the curved surface panel can be reduced, the integral hidden cracking phenomenon of the plane battery is reduced, and the production yield of the curved surface photovoltaic tile is improved. In certain embodiments, the planar battery sheet has a width of 20mm to 105mm. In some embodiments, integrally disposing a planar battery on a planar back plate to obtain a planar assembly includes: the whole planar battery is stuck on the planar backboard through the first adhesive to form the planar assembly. In some embodiments, attaching the planar battery as a whole to a planar back plate by a first adhesive to form a planar assembly comprises: A first adhesive is arranged on the plane backboard; integrally disposing a planar battery on the first adhesive; and pressing the whole planar battery with the planar backboard to form the planar assembly. In some embodiments, laminating the planar battery whole with the planar back plate to form a planar assembly includes: the whole planar battery is pressed and fixed with the planar backboard in a multi-section pressing mode, and the pressing temperature of each section is increased section by section. In some embodiments, the planar battery is integrally adhered to the planar back plate by a first adhesive to form a planar assembly, further comprising: And an encapsulation layer is arranged on one side of the whole planar battery, which is away from the first adhesive. In some embodiments, shaping the planar component to obtain a curved component includes: and pressing the planar component at a preset temperature by using a shaping tool to obtain the curved component. In some embodiments, laminating and securing the curved assembly to the curved panel comprises: And a second adhesive and a curved surface panel are arranged on one side, which is opposite to the curved surface backboard, of the curved surface battery of the curved surface assembly in a lamination way, and the curved surface assembly and the curved surface panel are pressed together. In some embodiments, pressing the curved assembly and the curved panel includes: the curved surface component and the curved surface panel are pressed and fixed in a multi-section pressing mode, and the pressing force of each section of pressing is increased section by section. The curved photovoltaic tile of the embodiment of the application is manufactured by adopting the manufacturing method. Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be lea