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公开(公告)号：US20240155853A1
公开(公告)日：2024-05-09
申请号：US18146431
申请日：2022-12-26
发明人： Wenqi LI , Minghui XIE , Yifan CHEN , Guochun ZHANG , Peiting ZHENG , Jie YANG , Xinyu ZHANG
摘要： The solar cell according to the present disclosure includes a substrate and a plurality of grid lines. A plurality of recess sets arranged at intervals in a first direction are formed on a surface of the substrate, and each of the plurality of grid lines is formed in a region defined by a respective recess set. Each of the plurality of recess sets includes a plurality of recesses arranged at intervals in the second direction, and 0
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公开(公告)号：US20230155047A1
公开(公告)日：2023-05-18
申请号：US18098343
申请日：2023-01-18
发明人： Jie YANG , Peiting ZHENG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/068 , H01L31/0216
CPC分类号： H01L31/0682 , H01L31/02167 , H01L31/02168
摘要： A solar cell and a photovoltaic module including the solar cell. The solar cell includes: a semiconductor substrate including a first surface and a second surface opposite to each other; a first dielectric layer located on the first surface; a first N+ doped layer located on a surface of the first dielectric layer; a first passivation layer located on a surface of the first N+ doped layer; a first electrode located on a surface of the first passivation layer; a second dielectric layer located on the second surface; a first P+ doped layer located on a surface of the second dielectric layer; a second passivation layer located on a surface of the first P+ doped layer; and a second electrode located on a surface of the second passivation layer.
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公开(公告)号：US20230076188A1
公开(公告)日：2023-03-09
申请号：US18054495
申请日：2022-11-10
发明人： Wenqi LI , Jie YANG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/054 , H01L31/0216 , H01L31/068 , H01L31/18
摘要： A solar cell, a method for producing a solar cell, and a solar module are provided. The solar cell includes: an N-type substrate and a P-type emitter formed on a front surface of the substrate; a first passivation layer, a second passivation layer and a third passivation layer sequentially formed over the front surface of the substrate and in a direction away from the P-type emitter, and a passivated contact structure disposed on a rear surface of the substrate. The first passivation layer includes a first Silicon oxynitride (SiOxNy) material, where x > y. The second passivation layer includes a first silicon nitride (SimNn) material, where m > n. The third passivation layer includes a second silicon oxynitride (SiOiNj) material, where a ratio of i/j∈ [0.97, 7.58].
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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
发明人： Jie YANG , Haijie SUN , Zhao WANG , Menglei XU , Peiting ZHENG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/068 , H01L31/02
摘要： 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
发明人： Xiu FENG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/0224 , H01L31/18 , H01L31/048 , H01L31/05
摘要： 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：US20220165906A1
公开(公告)日：2022-05-26
申请号：US17322895
申请日：2021-05-17
IPC分类号： H01L31/18 , H01L31/0224 , H01L31/0236
摘要： A method for preparing a selective emitter solar cell includes: forming a textured surface with a plurality of protrusions in the first regions and the second regions of the surface of the semiconductor substrate, wherein each protrusion has a cross-sectional shape that is trapezoidal or trapezoid-like in a thickness direction of the semiconductor substrate; performing a diffusion treatment on at least part of protrusions to form a first doped layer, and forming a first oxide layer above the first regions; re-etching the surface of the semiconductor substrate by using the first oxide layer as a mask, to etch each protrusion in the second regions to form a pyramid structure, such that the first doped layer in the second regions is etched to form a second doped layer with a doping concentration lower than a doping concentration of the first doped layer.
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公开(公告)号：US20240234612A1
公开(公告)日：2024-07-11
申请号：US18616205
申请日：2024-03-26
发明人： Yuanfang ZHANG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/077 , H01L31/0236 , H01L31/043 , H01L31/18
CPC分类号： H01L31/077 , H01L31/02363 , H01L31/043 , H01L31/1892
摘要： A method for preparing a solar cell includes: providing a carrier plate and a separation auxiliary layer, forming a perovskite absorption layer, having a first side facing away from the separation auxiliary layer and a second side opposite to the first side and including a bonding matrix and monocrystal perovskite particles, over the separation auxiliary layer away from the carrier plate, at least some of the monocrystal perovskite particles having first convex surfaces and second convex surfaces protruding from the bonding matrix on the first and second side respectively, and a functional layer formed over a respective monocrystal perovskite particle; forming a first carrier transport layer on the first side of the perovskite absorption layer; forming a first conductive layer over the first carrier transport layer; removing the carrier plate and the separation auxiliary layer, and forming a second conductive layer on the second side of the perovskite absorption layer.
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公开(公告)号：US20240204125A1
公开(公告)日：2024-06-20
申请号：US18298304
申请日：2023-04-10
发明人： Zhao WANG , Peiting ZHENG , Jie YANG , Jiajia ZHU , Simin ZHU
IPC分类号： H01L31/0735 , H01L31/0224 , H01L31/048 , H01L31/18
CPC分类号： H01L31/0735 , H01L31/022425 , H01L31/048 , H01L31/1868
摘要： A solar cell is disclosed, including a substrate having a first surface and an opposite second surface, and a first passivation contact structure. The first surface has a metal pattern region and a non-metal pattern region including a first region and a second region. The first region is closer to the second surface than the metal pattern region, and the second region is not closer to the second surface than the first region and is not further away from the second surface than the metal pattern region. The substrate has a doped layer formed in a portion of the substrate corresponding to the non-metal pattern region, and the doped layer has a top surface at the non-metal pattern region. The first passivation contact structure covers the metal pattern region and includes at least one first tunneling layer and at least one first doped conductive layer.
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公开(公告)号：US20240074220A1
公开(公告)日：2024-02-29
申请号：US18359863
申请日：2023-07-26
发明人： Menglei XU , Bairu LI , Jie YANG , Xinyu ZHANG
CPC分类号： H10K39/18 , H10K39/15 , H10K39/401
摘要： Provided are a solar cell and a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a bottom cell, a perovskite top cell, an inter layer between the bottom cell and the perovskite top cell, and a back electrode located on a back surface of the bottom cell. The perovskite top cell includes a hole transport layer, a perovskite layer, an electron transport layer, and a conductive structure stacked sequentially. The conductive structure includes at least one stack each including a first conductive layer and a second conductive layer located between the first conductive layer and the electron transport layer. The first conductive layer includes a first transparent conductive film. The second conductive layer includes a metal conductive film in a metallization region and a second transparent conductive film in a non-metallization region.
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公开(公告)号：US20230402552A1
公开(公告)日：2023-12-14
申请号：US17873110
申请日：2022-07-25
发明人： Zhao WANG , Jie YANG , Mengchao SHEN , Lipeng WANG
IPC分类号： H01L31/0216 , H01L31/0236 , H01L31/0312 , H01L31/05
CPC分类号： H01L31/02167 , H01L31/02363 , H01L31/03125 , H01L31/0508
摘要： Embodiments of the present disclosure relates to the field of solar cells, and in particular to a solar cell and a production method thereof, and a photovoltaic module. The solar cell includes: a P-type emitter formed on a first surface of an N-type substrate and including a first portion and a second portion, a top surface of the first portion includes first pyramid structures, and a top surface of the second portion includes second pyramid structures whose edges are straight. A transition surface is respectively formed on at least one edge of each first pyramid structure, and each of top surfaces of at least a part of the first pyramid structures includes a spherical or spherical-like substructure. A tunnel layer and a doped conductive layer sequentially formed over a second surface of the N-type substrate. The present disclosure can improve the photoelectric conversion performance of solar cells.
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