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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：US20240192603A1
公开(公告)日：2024-06-13
申请号：US18415538
申请日：2024-01-17
发明人： Yuanfang ZHANG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： G03F7/36 , G03F7/38 , H01L31/072 , H01L31/18
CPC分类号： G03F7/36 , G03F7/38 , H01L31/072 , H01L31/18
摘要： 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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公开(公告)号：US20230411543A1
公开(公告)日：2023-12-21
申请号：US17872035
申请日：2022-07-25
发明人： Huimin LI , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/0236 , H01L31/0216 , H01L31/0352 , H01L31/0368 , H01L31/05 , H01L31/068
CPC分类号： H01L31/02366 , H01L31/02168 , H01L31/03529 , H01L31/03682 , H01L31/0516 , H01L31/0682
摘要： A semiconductor substrate, including a back surface having N-type conductive regions and P-type conductive regions. The N-type conductive regions are provided with first non-pyramidal texture structures, and the P-type conductive regions are provided with second non-pyramidal texture structures. A top surface of the first non-pyramidal texture structure is a polygonal plane, and a top surface of the second non-pyramidal texture structure is a polygonal plane. A one-dimensional size of the top surface of the first non-pyramidal texture structure is less than a one-dimensional size of the top surface of the second non-pyramidal texture structure. The one-dimensional size of the top surface of the first non-pyramidal texture structure is in a range of 5 μm to 12 μm. The one-dimensional size of the top surface of the second non-pyramidal texture structure is in a range of 10 μm to 40 μm.
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公开(公告)号：US20230402553A1
公开(公告)日：2023-12-14
申请号：US17866217
申请日：2022-07-15
发明人： Kongsong CHEN , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/0216
CPC分类号： H01L31/02168 , H01L31/0682
摘要： A solar cell includes: a substrate having front and back surfaces opposite to each other, the back surface includes first regions, second regions and gap regions, the first regions and the 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 adjacent second region; 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 first pyramidal texture structures formed on the back surface corresponding to the gap regions. A curved interface region is formed between side wall of the first/second conductive layer and side wall of the adjacent gap region.
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公开(公告)号：US20240006544A1
公开(公告)日：2024-01-04
申请号：US18369011
申请日：2023-09-15
发明人： Xiu FENG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/0224 , H01L31/05 , H01L31/048 , H01L31/18
CPC分类号： H01L31/022441 , H01L31/188 , H01L31/0488 , H01L31/0516
摘要： A solar cell including: a substrate having front and back surfaces, the back surface including first and second regions staggered and spaced from each other, and a gap region provided between one first region and one adjacent second region, a plurality of first pyramidal texture structure regions formed corresponding to a plurality of gap regions and a distance between a top and bottom thereof is 2-4 μm; 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 conductive layer(s) adjacent thereto, the boundary region including strip or line-patterned texture structures arranged at intervals.
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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：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：US20220254942A1
公开(公告)日：2022-08-11
申请号：US17728972
申请日：2022-04-25
发明人： Bairu LI , Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/048 , H02S50/10 , B32B17/10 , H01L31/0216 , H01L31/05
摘要： The embodiments of the present disclosure provide a photovoltaic module including a base plate, a cell string and a cover plate stacked in order; a first packaging layer located between the base plate and the cover plate and surrounding the cell string, the first packaging layer, the base plate and the cover plate defining a sealed space; and a moisture treatment layer located in the sealed space. The moisture treatment layer includes at least one of a functional layer and a moisture detection layer. The functional layer is adaptive to absorb moisture and be converted into a solidified layer, the solidified layer has a degree of cross linking greater than a degree of cross linking of the functional layer. The moisture detection layer is adaptive to detect and determine whether there is moisture in the sealed space through response information of the moisture detection layer.
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公开(公告)号：US20240222540A1
公开(公告)日：2024-07-04
申请号：US18605179
申请日：2024-03-14
发明人： Yuanfang ZHANG , Menglei XU , Jie YANG , Xinyu ZHANG
IPC分类号： H01L31/077 , H01L31/0236 , H01L31/0352 , H01L31/043
CPC分类号： H01L31/077 , H01L31/0236 , H01L31/03529 , H01L31/043
摘要： Disclosed are a solar cell and a tandem solar cell, and the solar cell includes a first conductive layer, a first carrier transport layer, a perovskite absorption layer, and a second conductive layer stacked along a first direction. The solar cell further includes a perovskite absorption layer including a bonding matrix and multiple monocrystal perovskite particles arranged in the bonding matrix, where the bonding matrix includes a first side and a second side opposite to the first side. At least some of the multiple monocrystal perovskite particles has first convex surfaces and second convex surfaces, the first convex surfaces protrude out of the first side and the second convex surfaces protrude out of the second side. The solar cell is at least beneficial for improving the stability and photoelectric conversion ability of the perovskite solar cell.
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