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公开(公告)号：US20240188311A1
公开(公告)日：2024-06-06
申请号：US18552662
申请日：2022-05-13
发明人： Giwon LEE , Kyungdong LEE , Hyunho KIM , Ilhyoung JUNG
CPC分类号： H10K30/10 , H01L31/0201 , H01L31/0516
摘要： A solar cell according to some embodiments of the present disclosure includes a first photoelectric conversion portion, a second photoelectric conversion portion, a side insulating layer, a first electrode, and a second electrode. The first photoelectric conversion portion includes a photoelectric conversion layer including a perovskite compound, a first transport layer on one side of the photoelectric conversion layer, and a second transport layer on the other side of the photoelectric conversion layer, the second photoelectric conversion portion is arranged below the second transport layer of the first photoelectric conversion portion and has a different material or structure from the first photoelectric conversion portion, the side insulating layer is formed on at least one side surface of the first photoelectric conversion portion, the first electrode is electrically connected to the first photoelectric conversion portion on one surface of the first photoelectric conversion portion serving as a light-receiving surface, and the second electrode is electrically connected to the second photoelectric conversion portion below the second photoelectric conversion portion. Therefore, a solar cell module that includes a photoelectric conversion portion including a perovskite compound, is further provided with a tandem structure provided with another photoelectric conversion portion having a different material or structure, and has excellent efficiency and reliability can be provided. In addition, a short-circuit current can be drastically reduced to ¼ of an existing level while an active region of the solar cell with a tandem structure is ensured to a maximum extent.
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公开(公告)号：US20240237368A1
公开(公告)日：2024-07-11
申请号：US18562830
申请日：2021-10-19
发明人： Kyungdong LEE , Giwon LEE , Hyunho KIM , Ilhyoung JUNG
摘要： A solar cell manufacturing method according to this embodiment includes: forming a second photoelectric conversion portion including a semiconductor substrate, a first semiconductor layer on one side of the semiconductor substrate, and a second semiconductor layer having a different conductivity type from the first semiconductor layer on the other side of the semiconductor substrate; forming a junction layer on the first semiconductor layer; changing a surface property of a front surface of the junction layer; forming a first photoelectric conversion portion including a photoelectric conversion layer including a perovskite compound on the front surface of the junction layer; and forming a first electrode electrically connected to the first photoelectric conversion portion on one side of the first photoelectric conversion portion and a second electrode electrically connected to the second photoelectric conversion portion on the other side of the second photoelectric conversion portion. Therefore, in a tandem structure provided with the first photoelectric conversion portion including the perovskite compound and the second photoelectric conversion portion including the semiconductor substrate, an adhesion property can be improved by changing the junction layer between the first photoelectric conversion portion and the second photoelectric conversion portion to hydrophilicity.
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公开(公告)号：US20240097061A1
公开(公告)日：2024-03-21
申请号：US18504051
申请日：2023-11-07
发明人： Hwa Nyeon Kim , Ju Hwan Yun , Jong Hwan Kim , Bum Sung Kim , II Hyoung Jung , Jin Ah Kim
IPC分类号： H01L31/0224 , H01L31/0216 , H01L31/0236 , H01L31/068 , H01L31/18
CPC分类号： H01L31/022441 , H01L31/02168 , H01L31/0236 , H01L31/02363 , H01L31/02366 , H01L31/0682 , H01L31/18 , H01L31/1804 , Y02E10/547 , Y02P70/50
摘要： The present invention discloses a back contact solar cell. The back contact solar cell includes a semiconductor substrate having a front surface and a rear surface; a first conductive type semiconductor region having a first conductive type and a second conductive type semiconductor region having a second conductive type at an interval on the rear surface of the semiconductor substrate. Furthermore, the rear surface of the semiconductor substrate has a texturing structure at the interval between the first conductive type semiconductor region and the second conductive type semiconductor region.
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公开(公告)号：US12062731B2
公开(公告)日：2024-08-13
申请号：US17419024
申请日：2019-12-04
发明人： Philwon Yoon , Jinsung Kim , Hyunho Lee
IPC分类号： H01L31/05 , H01L31/02 , H01L31/0224 , H01L31/0236
CPC分类号： H01L31/0504 , H01L31/0201 , H01L31/02013 , H01L31/022425 , H01L31/02366
摘要： A solar cell according to an embodiment of the present disclosure is positioned so that a second solar cell adjacent to a first solar cell in a first direction have an adjacent portion in contact with or overlapping with the first solar cell in the first direction on a front surface of the first solar cell. In this case, a plurality of wiring members connecting the first and second solar cells are formed to be extended to the front surface of the first solar cell, the adjacent portion, and the rear surface of the second solar cell.
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公开(公告)号：US20240213920A1
公开(公告)日：2024-06-27
申请号：US18562831
申请日：2021-10-29
发明人： Hyukjin NAM
摘要： A solar power-generating device includes a plurality of solar cell modules at least including a first solar cell module and a second solar cell module adjacent to each other, and a covering member configured to protect a connection part that electrically connects the first solar cell module to the second solar cell module. Each of the plurality of solar cell modules includes a solar cell panel, a frame fixed to a peripheral portion of the solar cell panel, and a junction box including a DC output cable connected to the solar cell panel to receive DC output and transmit the received DC output to the outside. When the DC output cable of the first solar cell module and the DC output cable of the second solar cell module are connected to each other by connectors to realize the connection part, the covering member seals and protects the connection part.
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公开(公告)号：US20240097058A1
公开(公告)日：2024-03-21
申请号：US18365190
申请日：2023-08-03
发明人： Jinsung Kim , Sunghyun Hwang , Donghae Oh
IPC分类号： H01L31/0224 , H01L31/05
CPC分类号： H01L31/022425 , H01L31/022433 , H01L31/0504 , H01L31/0508 , Y02E10/50
摘要： A solar cell includes a semiconductor substrate, a conductive region disposed in or on the semiconductor substrate, and an electrode comprising a plurality of finger lines connected to the conductive region, and formed to extend in a first direction while being parallel, and 6 or more bus bar lines formed to extend in a second direction crossing the first direction.
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7.发明公开公开(公告)号：US20240090246A1
公开(公告)日：2024-03-14
申请号：US18515227
申请日：2023-11-20
发明人： Chungyi KIM , Ilhyoung JUNG , Jeongbeom NAM
摘要： A solar cell includes a first photoelectric conversion part, a second photoelectric conversion part, a side insulating layer, a first electrode, and a second electrode. The first photoelectric conversion part includes a photoelectric conversion layer composed of a perovskite compound, a first transport layer on one side of the photoelectric conversion layer, and a second transport layer on the other side of the photoelectric conversion layer. The second photoelectric conversion part is arranged below the second transport layer and has a different material or structure from the first photoelectric conversion part. The side insulating layer is formed as a side surface surrounding the first photoelectric conversion part. The first electrode is electrically connected to the first photoelectric conversion part on one surface of the first photoelectric conversion part serving as a light-receiving surface. The second electrode is electrically connected to a bottom of the second photoelectric conversion part.
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公开(公告)号：US11908957B2
公开(公告)日：2024-02-20
申请号：US14622034
申请日：2015-02-13
发明人： Taeki Woo
IPC分类号： H01L31/02 , H01L31/05 , H01L31/068
CPC分类号： H01L31/0201 , H01L31/0516 , H01L31/0682 , Y02E10/547
摘要： A solar cell module includes first and second solar cells each including a plurality of first and second electrodes formed on a back surface of a semiconductor substrate, a first conductive line connected to the first electrodes, and a second conductive line connected to the second electrodes, and an interconnector connecting the first conductive line of the first solar cell to the second conductive line of the second solar cell. At least one of an area of an overlap portion, an area of a connection portion, a connection position, and a connection shape between the interconnector and the first conductive line of the first solar cell is different from at least one of an area of an overlap portion, an area of a connection portion, a connection position, and a connection shape between the interconnector and the second conductive line of the second solar cell.
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