Electrically conductive material, photovoltaic module, and preparation method for electrically conductive material
AssigneeRisen Energy Co., Ltd.
InventorsZhangwen Yu, Yafeng Liu, Xiao Huang
Life of this patent
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Abstract
A conductive material, a photovoltaic module, and a method for preparing a conductive material are provided. The conductive material is used for connecting cells, and comprises an adhesive film and a conductive wire, wherein the adhesive film has a first surface and a second surface away from each other, and the conductive wire is electrically connected to an electrode of a cell that is fixed on the first surface; at least one opening is formed in the adhesive film; and the conductive wire can electrically connect to an electrode of another cell that is fixedly arranged on the second surface via the opening.
Claims14
A conductive material configured for connecting to at least two adjacent cells, comprising an adhesive film and a conductive wire;
- wherein the adhesive film comprises an intact portion and an opening portion connected to each other, the opening portion comprises a first surface of the opening portion and a second surface of the opening portion, the intact portion comprises a first surface of the intact portion and a second surface of the intact portion, a first surface of the opening portion and a first surface of the intact portion are adjacent to the conductive wire, and a plurality of openings are arranged spaced from each other in the opening portion;
- the at least two adjacent cells comprises a first cell and a second cell, the first cell is fixed to the first surface of the intact portion, and the second cell is fixed to the second surface of the opening portion,
- the conductive wire comprises a first part of the conductive wire and a second part of the conductive wire,
- the first part of the conductive wire is in contact with and fixed to the first surface of the intact portion, and is in contact with the first cell;
- the second part of the conductive wire is in contact with and fixed to the first surface of the opening portion, the second part of the conductive wire bends to define a plurality of protrusions, the plurality of protrusions are inserted into the plurality of openings in a one-to-one correspondence manner and in contact with the second cell,
- wherein the plurality of openings comprise a slit, the slit comprises a non-break position and a break position, the non-break position is configured for keeping the adhesive film at the slit from being separated from the adhesive film, and the conductive wire fixed on the first surface of the adhesive film is electrically connected to the cell fixed on the second surface of the adhesive film via break position of the slit.
A photovoltaic module, comprising a cell string layer and two encapsulation layers disposed at opposite sides of the cell string layer, respectively, wherein the cell string layer comprises a plurality of cells, and adjacent two of the plurality of cells are connected to each other in series by a conductive material;
- the conductive material comprises an adhesive film and a conductive wire;
- wherein the adhesive film comprises a first surface and a second surface away from each other, and the conductive wire is electrically connected to an electrode of the cell fixed on the first surface of the adhesive film;
- and
- the adhesive film is provided with at least one opening, and the conductive wire is capable of being connected to an electrode of another cell fixed on the second surface via the at least one opening,
- wherein the at least one of openings comprise a slit, the slit comprises a non-break position and a break position, the non-break position is configured for keeping the adhesive film at the slit from being separated from the adhesive film, and the conductive wire fixed on the first surface of the adhesive film is electrically connected to the cell fixed on the second surface of the adhesive film via break position of the slit.
Dependencies are inferred from the claim text.