SOLAR CELL, PREPARATION METHOD THEREOF AND PHOTOVOLTAIC MODULE

    公开(公告)号:US20240355941A1

    公开(公告)日:2024-10-24

    申请号:US18757722

    申请日:2024-06-28

    Abstract: A solar cell, a preparation method thereof, and a photovoltaic module. The solar cell includes a semiconductor substrate, a first substrate doped layer, a second substrate doped layer, a first passivation layer, and a first doped semiconductor layer. The semiconductor substrate includes a first surface, and the first surface includes a first region and a second region adjacent to the first region along a first direction. The first substrate doped layer is located in the first region. The second substrate doped layer is located in the second region, and the first substrate doped layer is connected to the second substrate doped layer. The first passivation layer is located on a side of the second substrate doped layer away from the semiconductor substrate. The first doped semiconductor layer is located on a side of the first passivation layer away from the semiconductor substrate.

    Optimised solar cell, solar cell module and method of manufacturing thereof

    公开(公告)号:US12051757B2

    公开(公告)日:2024-07-30

    申请号:US17618916

    申请日:2020-06-15

    Applicant: 3SUN S.r.l.

    CPC classification number: H01L31/02245 H01L31/022433 H01L31/072 H01L31/186

    Abstract: The present invention concerns a bifacial solar cell (1) comprising a front side (10) and a back side (20), said front and back sides (10, 20) having a respective outer layer (34) made of transparent conductive oxide, on which is placed a respective metallization grid (11, 21), each metallization grid (11, 21) comprising first collectors (111, 211) running parallel to each other in a horizontal direction (x) of said solar cell (1) and second collectors (112, 212) crossing said first collectors (111, 211), each second collector (112, 212) comprising two vertical elements (112a, 112b, 212a, 212b) and at least one horizontal element (112c, 212c) every one or two first collectors (111) or 3 or 6 first collectors (211) connecting said two vertical elements (112a, 112b, 212a, 212b), said solar cell module being characterized in that said metallization grids (11, 21) furtherly comprise at least one respective front or back area (113, 213), said front or back area (113, 213) comprising said at least one horizontal element (112c, 212c) and a portion of the underlying outer layer (34) made of transparent conductive oxide, so that a cell connector can be attached to said solar cell (1) by means of an electrically conductive adhesive deposited on said front or back area (113, 213) without needing a physical barrier for said electrically conductive adhesive. The present invention also concerns a solar cell module and a method of manufacturing thereof.

    SOLAR CELL SCREEN PLATE, SOLAR CELL, AND PHOTOVOLTAIC MODULE

    公开(公告)号:US20240234598A1

    公开(公告)日:2024-07-11

    申请号:US18494735

    申请日:2023-10-25

    CPC classification number: H01L31/022433 H01L31/02167 H01L31/0488

    Abstract: A solar cell screen plate, a solar cell, and a photovoltaic module are provided. The solar cell screen plate includes a plurality of parallel finger electrodes arranged on a surface of the substrate, where each respective finger electrode of the plurality of finger electrodes includes a plurality of first grid lines separated by a plurality of gaps such that each pair of adjacent first grid lines in the respective finger electrode are separated by a corresponding gap of the plurality of gaps; and a plurality of enhancement grid lines, where each respective enhancement grid line is located at a gap between two adjacent first grid lines in a finger electrode and has two opposing ends respectively in electrical contact with the two adjacent first grid lines. The respective enhancement grid line includes printing paste different from printing paste of the respective finger electrode.

    METALLIZATION FOR SILICON SOLAR CELLS
    5.
    发明公开

    公开(公告)号:US20240234594A9

    公开(公告)日:2024-07-11

    申请号:US18278256

    申请日:2022-02-22

    CPC classification number: H01L31/0201 H01L31/022433 H01L31/1804

    Abstract: A solar cell includes a semiconductor material having a dielectric layer over a light-receiving surface of the semiconductor material, a plurality of printed fire-through contacts passing substantially through the dielectric layer, each contact extending longitudinally in a first dimension, and a conductive finger extending longitudinally in a second dimension substantially perpendicular to the first dimension and electrically connecting the plurality of contacts to first and second busbars at opposite ends of the conductive finger. The conductive finger has at least one first portion overlaying and electrically connecting to the plurality of contacts, wherein each of the plurality of contacts extends beyond the first portion of the conductive finger at one or both sides of the first portion of the conductive finger in the first dimension, and wherein the first portion of the conductive finger overlays the dielectric.

    SOLAR CELL AND PHOTOVOLTAIC MODULE
    6.
    发明公开

    公开(公告)号:US20240194803A1

    公开(公告)日:2024-06-13

    申请号:US18189158

    申请日:2023-03-23

    CPC classification number: H01L31/022433 H01L31/0504

    Abstract: Disclosed are a solar cell and a photovoltaic module. The solar cell includes a substrate, having a first surface and a second surface opposite to the first surface. The first surface includes a metal pattern region and a non-metal pattern region. The first surface is uneven and has a first maximum height with respect to the second surface in the non-metal pattern region and a second maximum height with respect to the second surface in the metal pattern region, and the first maximum height is lower than the second maximum height. The solar cell includes at least one passivation contact structure, covering the first surface and including a tunneling layer and a doped conductive layer stacked in a direction away from the substrate.

    METALLIZATION FOR SILICON SOLAR CELLS
    7.
    发明公开

    公开(公告)号:US20240136449A1

    公开(公告)日:2024-04-25

    申请号:US18278256

    申请日:2022-02-22

    CPC classification number: H01L31/0201 H01L31/022433 H01L31/1804

    Abstract: A solar cell includes a semiconductor material having a dielectric layer over a light-receiving surface of the semiconductor material, a plurality of printed fire-through contacts passing substantially through the dielectric layer, each contact extending longitudinally in a first dimension, and a conductive finger extending longitudinally in a second dimension substantially perpendicular to the first dimension and electrically connecting the plurality of contacts to first and second busbars at opposite ends of the conductive finger. The conductive finger has at least one first portion overlaying and electrically connecting to the plurality of contacts, wherein each of the plurality of contacts extends beyond the first portion of the conductive finger at one or both sides of the first portion of the conductive finger in the first dimension, and wherein the first portion of the conductive finger overlays the dielectric.

    SHINGLED CELL, CELL UNIT, AND SHINGLED PHOTOVOLTAIC ASSEMBLY

    公开(公告)号:US20240097059A1

    公开(公告)日:2024-03-21

    申请号:US18255039

    申请日:2022-01-29

    CPC classification number: H01L31/022433 H01L31/05

    Abstract: Disclosed are a shingled cell, a cell unit, and a shingled photovoltaic assembly. The cell unit includes a cell. The front side of the cell includes a plurality of parallel front-side fine grid lines. The back side of the cell includes a plurality of parallel back-side fine grid lines and a front-side connection line. The front-side connection line is a continuous or non-continuous line segment. The front-side connection line is arranged on at least one side of the cell. The front-side connection line is connected to the ends of all the front-side fine grid lines on the same side. The front-side connection line is such configured that when two cell units are overlapped along the extension direction of the front-side fine grid lines, the front-side connection line of the lower cell unit contacts each of the back-side fine grid lines of the upper cell unit.

    Solar cell panel
    10.
    发明授权

    公开(公告)号:US11901464B2

    公开(公告)日:2024-02-13

    申请号:US16127856

    申请日:2018-09-11

    Abstract: A solar cell panel that includes: a plurality of solar cells that include a first solar cell and a second solar cell, the plurality of solar cells having respective lengths in a first direction and respective widths in a second direction; and one or more connecting members that electrically connect two adjacent solar cells of the plurality of solar cells, wherein the first solar cell includes a first inclined portion at a first side of the first solar cell, wherein the second solar cell includes a second inclined portion at a first side of the second solar cell, and wherein a first width of the first solar cell in the second direction is different from a second width of the second solar cell in the second direction is disclosed.

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