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公开(公告)号：US20220336685A1
公开(公告)日：2022-10-20
申请号：US17857169
申请日：2022-07-04
发明人： Ruifeng LI , Yankai QIU , Ning ZHANG , Bin LI
IPC分类号： H01L31/0216 , H01L31/18
摘要： A photovoltaic cell is provided, which includes a substrate; a first passivation layer and a first anti-reflection layer disposed on a front surface of the substrate; and a second passivation layer, a PPW layer and at least one silicon nitride layer SiuNv (1 s>t), a refractive index and a thickness of which are respectively in ranges of 1.5 to 1.8 and 1 nm to 30 nm.
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公开(公告)号：US20240204116A1
公开(公告)日：2024-06-20
申请号：US18590798
申请日：2024-02-28
发明人： Ruifeng LI , Wenqi LI , Yankai QIU , Ning ZHANG , Bin LI
IPC分类号： H01L31/0216 , H01L31/18
CPC分类号： H01L31/02168 , H01L31/02167 , H01L31/1868
摘要： The photovoltaic cell includes a silicon substrate, a first passivation layer, a second passivation layer, at least one silicon oxynitride layer, and at least one silicon nitride layer. The second passivation layer includes a first silicon oxide layer and at least one aluminum oxide layer, and a thickness of the at least one aluminum oxide layer is in a range of 4 nm to 20 nm. The number of silicon atoms is greater than the number of oxygen atoms in the at least one silicon oxynitride layer and the number of oxygen atoms is greater than the number of nitride atoms in the at least one silicon oxynitride layer. The first silicon oxide layer is disposed between the substrate and the at least one aluminum oxide layer, and a thickness of the first silicon oxide layer is in a range of 0.1 nm to 5 nm.
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公开(公告)号：US20220209027A1
公开(公告)日：2022-06-30
申请号：US17386442
申请日：2021-07-27
发明人： Ruifeng LI , Yankai QIU , Ning ZHANG , Bin LI
IPC分类号： H01L31/0216 , H01L31/18
摘要： A photovoltaic cell is provided, which includes a substrate; a first passivation layer and a first anti-reflection layer disposed on a front surface of the substrate; and a second passivation layer, a PPW layer and at least one silicon nitride layer SiuNv (1 s>t), a refractive index and a thickness of which are respectively in ranges of 1.5 to 1.8 and 1 nm to 30 nm.
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公开(公告)号：US20230317863A1
公开(公告)日：2023-10-05
申请号：US18336711
申请日：2023-06-16
发明人： Ruifeng LI , Wenqi LI , Yankai QIU , Ning ZHANG , Bin LI
IPC分类号： H01L31/0216 , H01L31/18
CPC分类号： H01L31/02168 , H01L31/02167 , H01L31/1868
摘要： The photovoltaic cell includes a silicon substrate, a first passivation layer, a second passivation layer, at least one silicon oxynitride layer, and at least one silicon nitride layer. The second passivation layer includes a first silicon oxide layer and at least one aluminum oxide layer, a ratio of the number of oxide atoms to the number of aluminum atoms in the at least one aluminum oxide layer is greater than 0.8 and less than 1.6. The number of silicon atoms is greater than the number of oxygen atoms in the at least one silicon oxynitride layer and the number of oxygen atoms is greater than the number of nitrogen atoms in the at least one silicon oxynitride layer. A ratio of the number of silicon atoms to the number of nitrogen atoms in the at least one silicon nitride layer is greater than 1 and less than 4.
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公开(公告)号：US20240038923A1
公开(公告)日：2024-02-01
申请号：US17968497
申请日：2022-10-18
发明人： Zhiliang FEI , Ning ZHANG , Yankai QIU , Fangyan LUO
IPC分类号： H01L31/18 , H01L31/0236 , H01L31/04
CPC分类号： H01L31/186 , H01L31/02363 , H01L31/04
摘要： A method for improving alignment between a selective emitters and metal printing, including: providing silicon wafer including first edge and midline parallel to the first edge; texturing and diffusing surface of the silicon wafer; and illuminating the surface of the silicon wafer by laser spots to form the SE. Multiple laser spots are arranged between the first edge and the midline to form spot rows, extension directions of the spot rows are parallel to the first edge, M spot rows are arranged and M is a positive integer and M>1. The M spot rows include N sub-spot regions, N is a positive integer and 1
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公开(公告)号：US20230139905A1
公开(公告)日：2023-05-04
申请号：US17964502
申请日：2022-10-12
发明人： Qiang XU , Jing ZHOU , Yankai QIU
摘要： An electrode structure, a solar cell, and a photovoltaic module are provided. The electrode structure includes: busbars extending along a first direction and each including two sub-busbars arranged opposite to each other along a second direction intersecting with the first direction, each of the sub-busbars includes first sub-portions and second sub-portions that are spaced at intervals; fingers extending along the second direction and arranged at two sides of the busbars, the fingers are connected to the sub-busbars; and electrode pads sandwiched between the first sub-portions of the two sub-busbars and connected to the first sub-portions, the first sub-portion of at least one of the sub-busbars protrude towards a side away from the electrode pads.
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公开(公告)号：US20230137353A1
公开(公告)日：2023-05-04
申请号：US18146429
申请日：2022-12-26
发明人： Ruifeng LI , Wenqi LI , Yankai QIU , Ning ZHANG , Bin LI
IPC分类号： H01L31/0216 , H01L31/18
摘要： A photovoltaic cell is provided, which includes a substrate; a first passivation layer and a first anti-reflection layer disposed on a front surface of the substrate; and a second passivation layer, a PPW layer and at least one silicon nitride layer SiuNv(1 s>t), a refractive index and a thickness of which are respectively in ranges of 1.5 to 1.8 and 1 nm to 30 nm.
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