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1.发明公开公开(公告)号：US20230144807A1
公开(公告)日：2023-05-11
申请号：US17549732
申请日：2021-12-13
Inventor： Xiu FENG , Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC: H01L31/0224
CPC classification number: H01L31/022458 , H01L31/022433
Abstract: Provided is a busbar-free interdigitated back contact (IBC) solar cell and an IBC solar cell module. The IBC solar cell includes a semiconductor substrate, finger electrode lines and conductive lines. The finger electrode lines include first finger electrode lines and second finger electrode lines that are alternately arranged on the semiconductor substrate. The conductive lines include first conductive lines and second conductive lines that are alternately arranged. The first conductive lines are connected to the first finger electrode lines and spaced apart from the second finger electrode lines. The second conductive lines are connected to the second finger electrode lines and spaced apart from the first finger electrode lines.
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公开(公告)号：US20240072196A1
公开(公告)日：2024-02-29
申请号：US18504972
申请日：2023-11-08
Inventor： Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC: H01L33/00 , H01L31/0216 , H01L31/0236 , H01L31/068 , H01L31/18 , H01L33/44
CPC classification number: H01L33/0016 , H01L31/02167 , H01L31/02168 , H01L31/02363 , H01L31/0682 , H01L31/1804 , H01L31/1864 , H01L31/1868 , H01L33/44 , Y02E10/546 , Y02E10/547 , Y02P70/50
Abstract: Provided is a solar cell and a photovoltaic module. The solar cell includes a silicon substrate, and the silicon substrate includes a front surface and a back surface arranged opposite to each other. P-type conductive regions and N-type conductive regions are alternately arranged on the back surface of the silicon substrate. Front surface field regions are located on the front surface of the silicon substrate and spaced from each other. The front surface field regions each corresponds to one of the P-type conductive regions or one of the N-type conductive regions. At least one front passivation layer is located on the front surface of the silicon substrate. At least one back passivation layer is located on surfaces of the P-type conductive regions and N-type conductive regions.
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公开(公告)号：US20240250204A1
公开(公告)日：2024-07-25
申请号：US18599055
申请日：2024-03-07
Inventor： Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC: H01L33/00 , H01L31/0216 , H01L31/0236 , H01L31/068 , H01L31/18 , H01L33/44
CPC classification number: H01L33/0016 , H01L31/02167 , H01L31/02168 , H01L31/02363 , H01L31/0682 , H01L31/1804 , H01L31/1864 , H01L31/1868 , H01L33/44 , Y02E10/546 , Y02E10/547 , Y02P70/50
Abstract: A solar cell and a photovoltaic module is disclosed. The solar cell includes a silicon substrate, and the silicon substrate includes a front surface and a back surface arranged opposite to each other. P-type conductive regions and N-type conductive regions are alternately arranged on the back surface of the silicon substrate. Front surface field regions are located on the front surface of the silicon substrate and spaced from each other. The front surface field regions each corresponds to one of the P-type conductive regions or one of the N-type conductive regions. At least one front passivation layer is located on the front surface of the silicon substrate. At least one back passivation layer is located on surfaces of the P-type conductive regions and N-type conductive regions.
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4.发明公开公开(公告)号：US20230395734A1
公开(公告)日：2023-12-07
申请号：US18234845
申请日：2023-08-16
Inventor： Xiu FENG , Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC: H01L31/0224
CPC classification number: H01L31/022458 , H01L31/022433
Abstract: Provided is a busbar-free interdigitated back contact (IBC) solar cell and an IBC solar cell module. The IBC solar cell includes a semiconductor substrate, finger electrode lines and conductive lines. The finger electrode lines include first finger electrode lines and second finger electrode lines that are alternately arranged on the semiconductor substrate. The conductive lines include first conductive lines and second conductive lines that are alternately arranged. The first conductive lines are connected to the first finger electrode lines and spaced apart from the second finger electrode lines. The second conductive lines are connected to the second finger electrode lines and spaced apart from the first finger electrode lines.
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公开(公告)号：US20230143714A1
公开(公告)日：2023-05-11
申请号：US17549029
申请日：2021-12-13
Inventor： Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
CPC classification number: H01L33/0016 , H01L33/44
Abstract: Provided is a solar cell and a photovoltaic module. The solar cell includes a silicon substrate, and the silicon substrate includes a front surface and a back surface arranged opposite to each other. P-type conductive regions and N-type conductive regions are alternately arranged on the back surface of the silicon substrate. Front surface field regions are located on the front surface of the silicon substrate and spaced from each other. The front surface field regions each corresponds to one of the P-type conductive regions or one of the N-type conductive regions. At least one front passivation layer is located on the front surface of the silicon substrate. At least one back passivation layer is located on surfaces of the P-type conductive regions and N-type conductive regions.
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Patent Agency Ranking
公开(公告)号：US20230395740A1
公开(公告)日：2023-12-07
申请号：US17859975
申请日：2022-07-07
Applicant: JINKO SOLAR (HAINING) CO., LTD.
Inventor： Jie MAO , Menglei XU , Peiting ZHENG , Jie YANG , Xinyu ZHANG
IPC: H01L31/06 , H01L31/05 , H01L31/0352
CPC classification number: H01L31/06 , H01L31/0504 , H01L31/035272
Abstract: A photovoltaic cell is provided, including: a substrate; a tunneling layer, a field passivation layer and a first passivation film that are sequentially disposed on a rear surface of the substrate; and a first electrode. The first electrode penetrates the first passivation film and is in contact with the field passivation layer. A doping concentration of the first doping element in the tunneling layer is less than a doping concentration of the first doping element in the field passivation layer, and the doping concentration of the first doping element in the tunneling layer is greater than a doping concentration of the first doping element in the substrate. The field passivation layer includes a first doped region and a second doped region, and a doping curve slope of the first doped region is greater than a doping curve slope of the second doped region.
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公开(公告)号：US20250048823A1
公开(公告)日：2025-02-06
申请号：US18487958
申请日：2023-10-16
Applicant: JINKO SOLAR CO., LTD. , ZHEJIANG JINKO SOLAR CO., LTD.
Inventor： Yuanfang ZHANG , Menglei XU , Jie YANG , Xinyu ZHANG
Abstract: The tandem cell includes a bottom cell including a substrate. The substrate has a first side and a second side, the first side has a first textured surface including at least one first protrusion structure. The bottom cell further includes a tunneling dielectric layer and a doped conductive layer. A surface of the doped conductive layer has a micro textured surface including at least one micro protrusion structure, and the micro protrusion structure is smaller than the first protrusion structure. The tandem cell further includes a composite layer conformal to the micro textured surface. The tandem cell further includes a top cell formed on the composite layer. The top cell includes a first transport layer, a perovskite substrate, a second transport layer, a transparent conductive layer, and an anti-reflection layer stacked sequentially. The first transport layer is conformal to the micro textured surface.
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公开(公告)号：US20230006086A1
公开(公告)日：2023-01-05
申请号：US17778423
申请日：2019-12-30
Applicant: ZHEJIANG JINKO SOLAR CO., LTD. , JINKO SOLAR CO., LTD.
Inventor： Jie YANG , Haijie SUN , Zhao WANG , Menglei XU , Peiting ZHENG , Xinyu ZHANG , Hao JIN
IPC: H01L31/068 , H01L31/02
Abstract: A structure of partial tunnel oxide passivated contact for a photovoltaic cell and a photovoltaic module. The structure comprises: a first tunnel oxide layer disposed on a surface of a cell body, and a first polysilicon film disposed on a surface of the tunnel oxide layer. The surface of the cell body has a region for passivated contact and a region for light absorption, the first tunnel oxide layer is disposed in the region for passivated contact, and a projection of the first polysilicon film on the surface of the cell body is located in the region for passivated contact.
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公开(公告)号：US20220376124A1
公开(公告)日：2022-11-24
申请号：US17879598
申请日：2022-08-02
Applicant: ZHEJIANG JINKO SOLAR CO., LTD. , JINKO SOLAR CO., LTD.
Inventor： Xiu FENG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC: H01L31/0224 , H01L31/18 , H01L31/048 , H01L31/05
Abstract: A solar cell including: a substrate having front and back surfaces, the back surface includes first, second and gap regions, the first and second regions are staggered and spaced from each other in a first direction, and each gap region is provided between one first region and one second region adjacent thereto by recessing toward interior of the substrate; a first conductive layer formed over the first region; a second conductive layer formed over the second region, the second conductive layer has a conductivity type opposite to the first conductive layer; a first electrode forming electrical contact with the first conductive layer; a second electrode forming electrical contact with the second conductive layer; and a boundary region between the gap region and the first and/or second conductive layer adjacent thereto, and a line-pattern concave and convex texture structure is formed on the back surface corresponding to the boundary region.
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公开(公告)号：US20240192603A1
公开(公告)日：2024-06-13
申请号：US18415538
申请日：2024-01-17
Applicant: ZHEJIANG JINKO SOLAR CO., LTD. , JINKO SOLAR CO., LTD.
Inventor： Yuanfang ZHANG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC: G03F7/36 , G03F7/38 , H01L31/072 , H01L31/18
CPC classification number: G03F7/36 , G03F7/38 , H01L31/072 , H01L31/18
Abstract: The method for forming the monodisperse granular film includes: providing an initial substrate having a first surface and a second surface opposite to the first surface, forming a sacrificial layer, an adhesive layer and a monodisperse granular layer over the first surface, where the monodisperse granular layer includes multiple granules arranged dispersedly over the first surface, the sacrificial layer is between the multiple granules and the initial substrate, the adhesive layer is between adjacent granules of the multiple granules, and the adhesive layer is exposed between adjacent granules on a side of the multiple granules away from the initial substrate, dissolving and removing the initial substrate, and dissolving and removing the sacrificial layer. The embodiments of the present application are at least conducive to reducing the difficulty in forming the monodisperse granular film, and extending application scenarios of the stacked solar cell.
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