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1.发明授权公开(公告)号：US12125937B2
公开(公告)日：2024-10-22
申请号：US18386531
申请日：2023-11-02
发明人： Chengfa Liu , Hong Chen , Daming Chen , Yifeng Chen
IPC分类号： H01L31/0236 , H01L31/0216 , H01L31/0224 , H01L31/18
CPC分类号： H01L31/1868 , H01L31/022425 , H01L31/02363 , H01L31/1804 , H01L31/186 , H01L31/02167
摘要： The present application relates to a solar cell and a method for manufacturing same, a photovoltaic module, and a photovoltaic system. The solar cell includes a substrate, a doped conducting layer, a first passivation layer, a passivating contact layer, and a second passivation layer. At least a first surface and a portion of a first side surface of the substrate include a textured structure. The doped conducting layer is disposed at least on the first surface and the first side surface to cover the textured structure. The first passivation layer is stacked on the doped conducting layer and covers the first surface and the first side surface to cover the doped conducting layer. The passivating contact layer is disposed on a second surface of the substrate. The second passivation layer is stacked on the passivating contact layer and covers the second surface to cover the passivating contact layer.
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公开(公告)号：US20240274733A1
公开(公告)日：2024-08-15
申请号：US18433763
申请日：2024-02-06
申请人： Trina Solar Co., Ltd
发明人： Daming Chen , Zhuohan Zhang , Wenxian Ji , Yunyun Hu , Wei Liu , Rui Yang , Xueling Zhang , Guangtao Yang , Yifeng Chen
IPC分类号： H01L31/0352 , H01L31/0216 , H01L31/0224 , H01L31/0747 , H01L31/18
CPC分类号： H01L31/035272 , H01L31/0747 , H01L31/1804 , H01L31/02168 , H01L31/022441
摘要： A back-contact solar cell comprises a silicon substrate having a front surface and a back surface opposite to each other, and the silicon substrate is of a first doping type; and a first emitter, a first isolation region, a second isolation region, and a second emitter disposed on the back surface of the silicon substrate, wherein the first isolation region and the second isolation region are disposed between the first emitter and the second emitter in a first direction, the first emitter is of a second doping type, the first isolation region and the second emitter are of the first doping type, and the first direction intersects a thickness direction of the silicon substrate.
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公开(公告)号：US20240363771A1
公开(公告)日：2024-10-31
申请号：US18767403
申请日：2024-07-09
发明人： Daming Chen , Wei Liu , Yifeng Chen , Dongyun Lv
IPC分类号： H01L31/0224 , H01L31/0236 , H01L31/0352
CPC分类号： H01L31/022458 , H01L31/02366 , H01L31/035209
摘要： A solar cell includes a semiconducting substrate, a first emitter, and a second emitter. The semiconducting substrate includes first and second surfaces. The semiconducting substrate includes first and second regions. The first direction is perpendicular to the thickness direction of the semiconducting substrate. The first emitter is in a first conductivity type. The first emitter is disposed on the first surface and including a groove. The groove divides the first emitter into a first sub-emitter and a second sub-emitter. The first sub-emitter is located on the first region. The second sub-emitter is located on the second region. The second emitter is in a second conductivity type, and the second emitter is disposed on the first surface and located on the second region. The minimum distance between the second emitter and the second surface is less than the minimum distance between the first emitter and the second surface.
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公开(公告)号：US20230136715A1
公开(公告)日：2023-05-04
申请号：US17434085
申请日：2021-05-21
发明人： Xueling Zhang , Wei Liu , Hong Chen , Lei Jian , Yifeng Chen
IPC分类号： H01L31/18 , H01L31/0216 , H01L31/0224 , H01L31/068
摘要： A laminated passivation structure of solar cell and a preparation method thereof are disclosed herein. The laminated passivation structure of solar cell includes a P-type silicon substrate, a first dielectric layer, a second dielectric layer, and a third dielectric layer sequentially arranged on the back side of the P-type silicon substrate from inside to outside. The preparation method includes generating a first dielectric layer on the back surface of the P-type silicon substrate, and then sequentially depositing a second dielectric layer and a third dielectric layer on the first dielectric layer.
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5.发明公开公开(公告)号：US20240347653A1
公开(公告)日：2024-10-17
申请号：US18754287
申请日：2024-06-26
发明人： Chengfa Liu , Hong Chen , Daming Chen , Yifeng Chen
IPC分类号： H01L31/0236 , H01L31/0216
CPC分类号： H01L31/02363 , H01L31/02167
摘要： A solar cell includes: a substrate including a first surface and a second surface arranged opposite to each other and a plurality of lateral surfaces adjacent to and located between the first surface and the second surface; a plurality of pyramid base shaped textured structures being constructed on the second surface and each of the lateral surfaces, wherein a minimum side length of each of top surfaces of the pyramid base shaped textured structures arranged on the lateral surfaces is L1, a maximum side length of each of top surfaces of the pyramid base shaped textured structures arranged on the second surface is L2, and L1>L2; a doped conductive layer arranged on the first surface; and a passivated contact layer including a polysilicon doped conductive layer, the passivated contact layer being arranged on the second surface.
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6.发明公开公开(公告)号：US20240313132A1
公开(公告)日：2024-09-19
申请号：US18681220
申请日：2022-08-05
申请人： Trina Solar Co., Ltd
发明人： Peter Altermatt Pietro , Yiqi Chen , Jifan Gao , Yifeng Chen
IPC分类号： H01L31/0216 , H01L31/0224 , H01L31/18
CPC分类号： H01L31/02168 , H01L31/022441 , H01L31/022475 , H01L31/022483 , H01L31/1868
摘要： The present disclosure provides a passivation contact structure for a solar cell and a manufacturing method therefor and a solar cell using the passivation contact structure. The passivation contact structure comprises a tunnel layer; a transparent conductive film, located on the tunnel layer and in contact with the tunnel layer; a cover layer, located on the transparent conductive film; and a metal electrode, passing through the cover layer to be in contact with the transparent conductive film, the end surface of metal electrode being located in the transparent conductive film. According to the passivation contact structure for the solar cell, the manufacturing method therefor, and the solar cell using the passivation structure of the present disclosure, both electricity conducting and passivation effects can be achieved, and the effect of reducing the loss of light absorption can also be achieved.
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公开(公告)号：US12062728B1
公开(公告)日：2024-08-13
申请号：US18387556
申请日：2023-11-07
发明人： Chengfa Liu , Xiaopeng Wu , Yaqian Zhang , Yang Zou , Yugang Lu , Shuai Zhang , Hong Chen , Daming Chen , Yifeng Chen
IPC分类号： H01L31/0288 , H01L31/0216
CPC分类号： H01L31/0288 , H01L31/02168
摘要： A solar cell is provided. The solar cell includes: an N-type silicon substrate having a first surface and a second surface, a tunnel passivation structure and a first passivation and anti-reflection film formed on the first surface, a boron-doped emitter structure layer including a first emitter layer and a second emitter region formed on the second surface, a second passivation and anti-reflection film formed on the emitter structure layer, a first electrode configured to be in electrical contact with the second emitter region, and a second electrode configured to be in electrical contact with the tunnel passivation structure. The solar cell of the present application has a selective emitter structure. The metal contact region has a large junction depth to meet the metallization requirements. The region outside the metal contact region has a small junction depth to improve the optical response.
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8.发明公开公开(公告)号：US20240347661A1
公开(公告)日：2024-10-17
申请号：US18754372
申请日：2024-06-26
发明人： Guangtao Yang , Daming Chen , Yifeng Chen , Hongwei Li
IPC分类号： H01L31/072 , H01L31/0224 , H01L31/18
CPC分类号： H01L31/072 , H01L31/022425 , H01L31/1884
摘要： The present disclosure relates to a heterojunction cell and a manufacturing method thereof, a photovoltaic module and a photovoltaic system. The heterojunction cell includes: a substrate; a first intrinsic silicon layer, a first doped layer, and a first transparent conductive layer that are sequentially stacked on a first surface; and a second intrinsic silicon layer, a second doped layer, and a second transparent conductive layer that are sequentially stacked on a second surface. A doping type of the first doped layer is opposite to a doping type of the second doped layer. The first transparent conductive layer covers at least part of the first surface. The second transparent conductive layer covers the second surface and at least part of the plurality of lateral surfaces. An edge of the first transparent conductive layer is spaced apart from an edge of the second transparent conductive layer, to define an isolation region therebetween.
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公开(公告)号：US20240347651A1
公开(公告)日：2024-10-17
申请号：US18757286
申请日：2024-06-27
发明人： Hongwei Li , Guangtao Yang , Daming Chen , Yifeng Chen
IPC分类号： H01L31/0224
CPC分类号： H01L31/022466 , H01L31/022441
摘要： A solar cell structure, a method for preparing a solar cell, and a mask plate. The solar cell structure includes a substrate, a first doped layer, and a plurality of first transparent conductive layers. The first doped layer is disposed on a surface of the substrate. The plurality of first transparent conductive layers are spaced apart from each other and disposed on a surface of the first doped layer away from the substrate. A region to be cut of the solar cell structure is located between two adjacent first transparent conductive layers.
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公开(公告)号：US20240332442A1
公开(公告)日：2024-10-03
申请号：US18743672
申请日：2024-06-14
发明人： Guangtao Yang , Daming Chen , Yifeng Chen
CPC分类号： H01L31/0508 , H01L31/0512 , H01L31/1876
摘要： The present application relates to a transfer printing assembly, a solar cell, and a preparation method thereof. The transfer printing assembly includes a carrier and a first conducting wire. The carrier includes a first surface having a first groove. The first conducting wire is at least partially disposed within the first groove. The first conducting wire and a wall of the first groove define a first receiving cavity at a side of the first conducting wire adjacent to an opening of the first groove. The first receiving cavity is configured to accommodate slurry material. The first conducting wire is detachable from the first groove under an action of external energy.
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