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公开(公告)号：US11990554B2
公开(公告)日：2024-05-21
申请号：US17878914
申请日：2022-08-02
发明人： Jingsheng Jin , Xinyu Zhang
IPC分类号： H01L31/0216 , H01L31/0224 , H01L31/0236 , H01L31/068 , H01L31/18
CPC分类号： H01L31/02167 , H01L31/02168 , H01L31/022441 , H01L31/02363 , H01L31/0682 , H01L31/1868
摘要： The present disclosure provides a solar cell and a method for producing same. The solar cell includes: a substrate; a first passivation film, an anti-reflection layer and at least one first electrode formed on a front surface of the substrate; and a tunneling layer, a field passivation layer and at least one second electrode formed on a rear surface. The field passivation layer includes a first field passivation sub-layer and a second field passivation sub-layer; a conductivity of the first field passivation sub-layer is greater than a conductivity of the second field passivation sub-layer, and a thickness of the second field passivation sub-layer is smaller than a thickness of the first field passivation sub-layer; either the at least one first electrode or the at least one second electrode includes a silver electrode, a conductive adhesive and an electrode film that are sequentially formed in a direction away from the substrate.
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公开(公告)号：US11929444B2
公开(公告)日：2024-03-12
申请号：US17008521
申请日：2020-08-31
发明人： Wusong Tao , Tao Xu , Luchuang Wang , Zhiqiu Guo , Hao Jin
IPC分类号： H01L31/05 , H01L31/049 , H01L31/18
CPC分类号： H01L31/0508 , H01L31/049 , H01L31/186
摘要： The present disclosure provides a functional part, a photovoltaic module and a method of manufacturing photovoltaic modules. The functional part is configured to form a photovoltaic module with a cell string that includes a plurality of cells. Adjacent cells of share an overlapped region. The functional part has a first surface facing the cell string and a second surface opposite to the first surface. The functional part includes at least one groove extending from the first surface toward the second surface. A location of each groove corresponds to a location of at least one overlapped region.
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公开(公告)号：US20230343881A1
公开(公告)日：2023-10-26
申请号：US18341600
申请日：2023-06-26
发明人： Menglei XU , Jie YANG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/0224 , H01L31/02 , H01L31/0368
CPC分类号： H01L31/022458 , H01L31/02021 , H01L31/03685
摘要： Embodiments of the present disclosure provide a solar cell and a solar cell module. The solar cell includes a first region and a second region, and further includes a substrate having a first surface and a second surface; a tunneling layer covering the second surface; a first emitter formed on part of the tunneling layer in the first region; and a second emitter formed on part of the tunneling layer in the second region and on the first emitter, a conductivity type of the second emitter being different from a conductivity type of the first emitter. The solar cell further includes a first electrode configured to electrically connect with the first emitter by penetrating through the second emitter; and a second electrode formed in the second region and configured to electrically connect with the second emitter.
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4.发明公开公开(公告)号：US20230250549A1
公开(公告)日：2023-08-10
申请号：US18136676
申请日：2023-04-19
发明人： Lizhu HE , Jun YANG , Peiyuan WANG , Limeng LIU , Xiang XU , Xiaolong BAI , Weize SHANG
IPC分类号： C30B15/04 , C30B29/06 , H01L31/0288 , H01L31/18
CPC分类号： C30B15/04 , C30B29/06 , H01L31/0288 , H01L31/1804
摘要： Provided is a method for preparing a gallium- and nitrogen-doped monocrystalline silicon using a Czochralski process, including: introducing a doping gas at least including a first amount of nitrogen into a molten mixture in a single crystal furnance; withdrawing a seed from the molten mixture while introducing the doping gas including a second amount of nitrogen into the molten mixture, a second ratio of the second amount of nitrogen to the doping gas being smaller than the first ratio; and upon occurrence of a shoulder of the monocrystalline silicon rod, adjusting the second amount of nitrogen to a third amount in such a manner that a third ratio of the third amount of nitrogen to the doping gas is greater than the second ratio, to form a monocrystalline silicon rod. A solar cell and a photovoltaic module including a gallium- and nitrogen-doped silicon wafer prepared therefrom are also provided.
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公开(公告)号：US20220158010A1
公开(公告)日：2022-05-19
申请号：US17127828
申请日：2020-12-18
发明人： Menglei XU , Jie YANG , Peiting ZHENG , Xinyu ZHANG , Hao JIN
IPC分类号： H01L31/0224 , H01L31/05
摘要： The present disclosure provides a back-contact solar cell and a solar cell module. The back-contact solar cell includes: a substrate including a light-receiving surface and a back surface opposite to the light-receiving surface, wherein the substrate includes a center region and connecting regions on opposite sides of the center region; positive electrodes and negative electrodes disposed on the back surface of the substrate; auxiliary positive electrodes, disposed on one or both of the light-receiving surface and a side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of positive electrodes; and auxiliary negative electrodes, disposed on one or both of the light-receiving surface and the side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of negative electrodes.
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公开(公告)号：US20220158009A1
公开(公告)日：2022-05-19
申请号：US17483689
申请日：2021-09-23
发明人： Jingsheng JIN , Bike ZHANG , Xinyu ZHANG
IPC分类号： H01L31/0224 , H01L31/0216
摘要： The present disclosure provide a solar cell, including: a substrate, an interface passivation layer covering a rear surface of the substrate, and an electrode disposed at a side of the interface passivation layer facing away from the substrate, the interface passivation layer including a first interface passivation sub-layer corresponding to a portion of the interface passivation layer between adjacent electrodes and a second interface passivation sub-layer corresponding to a portion of the interface passivation layer where disposed between the substrate and the electrode; a field passivation layer, at least partially disposed between the interface passivation layer and the electrode; and a conductive enhancement layer, at least partially disposed at a side of the first interface passivation sub-layer away from the substrate to enable carriers in the first interface passivation sub-layer to flow to the electrode, where a resistivity of the conductive enhancement layer is smaller than a resistivity of the field passivation layer.
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公开(公告)号：US11189739B1
公开(公告)日：2021-11-30
申请号：US17112850
申请日：2020-12-04
发明人： Jingsheng Jin , Bike Zhang , Xinyu Zhang
IPC分类号： H01L31/0224 , H01L31/0216
摘要： The present disclosure provide a solar cell, including: a substrate, an interface passivation layer covering a rear surface of the substrate, and an electrode disposed at a side of the interface passivation layer facing away from the substrate, the interface passivation layer including a first interface passivation sub-layer corresponding to a portion of the interface passivation layer between adjacent electrodes, and a second interface passivation sub-layer corresponding to a portion of the interface passivation layer where disposed between the substrate and the electrode; a field passivation layer, at least partially disposed between the interface passivation layer and the electrode; and a conductive enhancement layer, at least partially disposed at a side of the first interface passivation sub-layer away from the substrate to enable carriers in the first interface passivation sub-layer to flow to the electrode, where a resistivity of the conductive enhancement layer is smaller than a resistivity of the field passivation layer.
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公开(公告)号：US10991834B1
公开(公告)日：2021-04-27
申请号：US16901242
申请日：2020-06-15
发明人： Wenqi Li , Jie Yang , Xueting Yuan , Xinyu Zhang , Hao Jin
IPC分类号： H01L31/0216 , H01L31/18
摘要： A solar cell is provided. The solar cell at least includes a semiconductor layer and a plurality of passivation layers provided on a back surface of the semiconductor layer. The passivation layers include a first silicon oxynitride film layer having a first refractive index, a second silicon oxynitride film layer having a second refractive index and provided on a surface of the first silicon oxynitride film layer, and a silicon nitride film layer having a third refractive index and provided on a surface of the second silicon oxynitride film layer.
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公开(公告)号：US11380807B2
公开(公告)日：2022-07-05
申请号：US17127828
申请日：2020-12-18
发明人： Menglei Xu , Jie Yang , Peiting Zheng , Xinyu Zhang , Hao Jin
IPC分类号： H01L31/0224 , H01L31/05
摘要： The present disclosure provides a back-contact solar cell and a solar cell module. The back-contact solar cell includes: a substrate including a light-receiving surface and a back surface opposite to the light-receiving surface, wherein the substrate includes a center region and connecting regions on opposite sides of the center region; positive electrodes and negative electrodes disposed on the back surface of the substrate; auxiliary positive electrodes, disposed on one or both of the light-receiving surface and a side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of positive electrodes; and auxiliary negative electrodes, disposed on one or both of the light-receiving surface and the side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of negative electrodes.
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公开(公告)号：US20220064815A1
公开(公告)日：2022-03-03
申请号：US17038591
申请日：2020-09-30
发明人： Jun Yang , Weize Shang , Xiaolong Bai
摘要： Provided is an apparatus and a method for continuous crystal pulling. The apparatus includes: a crucible including a first sub-crucible and a second sub-crucible located at inner side of the first sub-crucible; a draft tube located above the crucible; and a delivery duct supplying materials to the crucible. A ratio of inner diameter of the second sub-crucible to outer diameter of the draft tube is ≥1.05. In a first state, a distance between bottom surface of the draft tube and bottom surface of the crucible is a first distance, in a second state, a distance between bottom surface of the draft tube and bottom surface of the crucible is a second distance. The first distance is greater than the second distance. In the first and second states, a distance between a crystal-liquid interface in the crucible and the bottom surface of the draft tube remains substantially unchanged.
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