Solar cell and photovoltaic module
AssigneesZhejiang Jinko Solar Co., Ltd., Jinko Solar Co., Ltd.
InventorsZhiqiu GUO, Shiliang HUANG, Jiaming ZHU
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Abstract
Provided is a solar cell and a photovoltaic module. The solar cell includes a semiconductor substrate and an electrode arranged on the semiconductor substrate. The electrode includes a plurality of fingers arranged in parallel to and spaced apart from each other. Each finger includes a transport electrode line and a plurality of electrical connection electrode lines in contact with the transport electrode line. In a thickness direction of the semiconductor substrate, a plurality of fingers on a light receiving surface of the semiconductor substrate are staggered with a plurality of fingers on a backlight surface of the semiconductor substrate.
Claims20
A solar cell, comprising:
- a semiconductor substrate, and
- an electrode arranged on the semiconductor substrate,
- wherein the electrode comprises a plurality of fingers arranged in parallel to and spaced apart from each other, wherein each finger of the plurality of fingers comprises a transport electrode line and a plurality of electrical connection electrode lines in contact with the transport electrode line, and in a thickness direction of the semiconductor substrate, and at least two fingers of the plurality of fingers that are arranged on a light receiving surface of the semiconductor substrate are staggered with another at least two fingers of the plurality of fingers that are arranged on a backlight surface of the semiconductor substrate;
- and
- wherein the plurality of electrical connection electrode lines is stacked on the transport electrode line in the thickness direction of the semiconductor, or is semi-embedded in the transport electrode line, or fully embedded in the transport electrode line.
A photovoltaic module, comprising:
- at least one solar cell string;
- a back sheet arranged below the at least one solar cell string;
- an upper cover plate arranged above the at least one solar cell string;
- and
- an adhesive film filled between the back sheet and the at least one solar cell string and between the upper cover plate and the at least one solar cell string,
- wherein the solar cell string comprises a plurality of solar cells, and adjacent ones of the plurality of solar cells are connected through a plurality of conductive wires to realize electrical connections,
- wherein at least one solar cell of the plurality of solar cells comprises:
- a semiconductor substrate, and
- an electrode arranged on the semiconductor substrate,
- wherein the electrode comprises a plurality of fingers arranged in parallel to and spaced apart from each other, wherein each finger of the plurality of fingers comprises a transport electrode line and a plurality of electrical connection electrode lines in contact with the transport electrode line, and in a thickness direction of the semiconductor substrate, and at least two fingers of the plurality of fingers that are arranged on a light receiving surface of the semiconductor substrate are staggered with another at least two fingers of the plurality of fingers that are arranged on a backlight surface of the semiconductor substrate;
- and
- wherein the plurality of electrical connection electrode lines is stacked on the transport electrode line in the thickness direction of the semiconductor, or is semi-embedded in the transport electrode line, or fully embedded in the transport electrode line.
Dependencies are inferred from the claim text.