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公开(公告)号:US20230207712A1
公开(公告)日:2023-06-29
申请号:US18168548
申请日:2023-02-13
Inventor: Jungmin Ha , Sungjin Kim , Juhwa Cheong , Junyong Ahn , Hyungwook Choi , Wonjae Chang , Jaesung Kim
IPC: H01L31/0224 , H01L31/0216 , H01L31/0747 , H01L31/02 , H01L31/0368 , H01L31/077 , H01L31/18
CPC classification number: H01L31/022433 , H01L31/02168 , H01L31/022425 , H01L31/0747 , H01L31/0201 , H01L31/02167 , H01L31/03685 , H01L31/077 , H01L31/1824 , H01L31/1864 , H01L31/1868 , Y02E10/50
Abstract: A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.
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公开(公告)号:US11855234B2
公开(公告)日:2023-12-26
申请号:US16933363
申请日:2020-07-20
Inventor: Juhwa Cheong , Yundeok Yoon , Jaesung Kim , Junyong Ahn
IPC: H01L31/0236 , H01L31/18 , H01L31/068 , H01L21/02
CPC classification number: H01L31/02363 , H01L21/02019 , H01L31/068 , H01L31/1804 , Y02E10/50
Abstract: A method of manufacturing a solar cell, includes forming a rounded uneven member having a rounded end portion at a second surface of a semiconductor substrate having a first surface and the second surface opposite to each other, forming conductive regions comprising forming a first conductive region at the first surface of the semiconductor substrate and forming a second conductive region on the second surface of the semiconductor substrate, wherein the second conductive region comprises a semiconductor layer different and separated from the semiconductor substrate and forming electrodes comprising forming a first electrode electrically connected to the first conductive region and forming a second electrode electrically connected to the second conductive region.
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公开(公告)号:US11581442B2
公开(公告)日:2023-02-14
申请号:US17529805
申请日:2021-11-18
Inventor: Haejong Cho , Donghae Oh , Juhwa Cheong , Junyong Ahn
IPC: H01L31/0224 , H01B1/16 , C03C8/18 , C03C4/14 , C03C8/10 , H01L31/0216 , H01L31/0236 , H01L31/0368 , H01L31/068 , H01L31/18
Abstract: Discussed is a solar cell including a first conductive region positioned at a front surface of a semiconductor substrate and containing impurities of a first conductivity type or a second conductivity type, a second conductive region positioned at a back surface of the semiconductor substrate and containing impurities of a conductivity type opposite a conductivity type of impurities of the first conductive region, a first electrode positioned on the front surface of the semiconductor substrate and connected to the first conductive region, and a second electrode positioned on the back surface of the semiconductor substrate and connected to the second conductive region. Each of the first and second electrodes includes metal particles and a glass frit.
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公开(公告)号:US11616153B2
公开(公告)日:2023-03-28
申请号:US16250463
申请日:2019-01-17
Inventor: Jungmin Ha , Sungjin Kim , Juhwa Cheong , Junyong Ahn , Hyungwook Choi , Wonjae Chang , Jaesung Kim
IPC: H01L31/0216 , H01L31/0224 , H01L31/0747 , H01L31/02 , H01L31/0368 , H01L31/077 , H01L31/18
Abstract: A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.
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