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    SOLAR CELL AND MANUFACTURING METHOD THEREFOR
    1.
    发明公开
    SOLAR CELL AND MANUFACTURING METHOD THEREFOR 审中-实审

    公开(公告)号：EP4411837A1

    公开(公告)日：2024-08-07

    申请号：EP21959557.6

    申请日：2021-10-19

    申请人： JingAo Solar Co., Ltd.

    发明人： LEE, Kyungdong ,  LEE, Giwon ,  KIM, Hyunho ,  JUNG, Ilhyoung

    IPC分类号： H01L31/078 ,  H01L31/0224 ,  H01L31/18 ,  H10K30/00 ,  H10K30/80 ,  H10K99/00

    CPC分类号： Y02P70/50 ,  Y02E10/549 ,  H10K30/80 ,  H10K99/00 ,  H01L31/18 ,  H01L31/078 ,  H01L31/0224 ,  H10K30/00

    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.

    METHOD AND DEVICE FOR DOPING A MATERIAL
    3.
    发明公开
    METHOD AND DEVICE FOR DOPING A MATERIAL 审中-公开

    公开(公告)号：EP4287278A1

    公开(公告)日：2023-12-06

    申请号：EP22176054.9

    申请日：2022-05-30

    申请人： Faculdade de Ciências, Universidade de Lisboa

    发明人： Lobato, Killian Paolo Kiernan ,  Gaspar, Guilherme Manuel Morais ,  Serra, Filipe Carreira

    IPC分类号： H01L31/18 ,  H01L21/22 ,  H01L21/223 ,  H01L21/268 ,  H01L31/078 ,  H01L27/30

    摘要： The invention relates to a method for producing a doped material (2), in particular a doped semiconductor, comprising the steps: providing a material (4), wherein the material comprises a surface (6) and a first dopant (8) in at least an area (10) below the surface (6); processing the material (4) by directing a first pulsed processing beam (12) onto the surface (6) of the material (4), wherein the processing comprises locally and temporarily melting the material such that the first dopant (8) moves away from the surface (6) and subsequent solidification of the previously locally molten material; providing a second dopant (14) on the surface of the material; and incorporating the second dopant (14) into the material (4) by directing a second pulsed processing beam (16) onto the surface (6), wherein incorporating the second dopant (14) comprises locally and temporarily melting the material (4) such that the second dopant (14) moves into the material (4) and subsequent solidification of the previously locally molten material.
    The invention further relates to a system (40) for producing a doped material (2).

    SOLAR CELL AND METHOD FOR MANUFACTURING SAME
    4.
    发明公开
    SOLAR CELL AND METHOD FOR MANUFACTURING SAME 审中-公开

    公开(公告)号：EP4287275A1

    公开(公告)日：2023-12-06

    申请号：EP22767360.5

    申请日：2022-02-18

    申请人： Jusung Engineering Co., Ltd.

    发明人： KIM, Jae Ho ,  HWANG, Chul Joo

    IPC分类号： H01L31/074 ,  H01L31/0224 ,  H01L31/078 ,  H01L31/0687 ,  H01L31/18 ,  H01L51/42 ,  H01L51/44

    摘要： The present invention provides a solar cell, including: a semiconductor substrate; a first semiconductor layer provided on one surface of the semiconductor substrate; a second semiconductor layer provided on one surface of the first semiconductor layer; a third semiconductor layer provided on one surface of the second semiconductor layer; a first transparent conductive layer provided on one surface of the third semiconductor layer; and a first electrode provided on one surface of the first transparent conductive layer, wherein the second semiconductor layer includes a p-type semiconductor layer, and the third semiconductor layer includes a p+-type semiconductor layer including W, and a method of manufacturing the solar cell.

    ELECTROLYSER COMPRISING A MULTIPLE-JUNCTION PHOTOVOLTAIC CELL
    5.
    发明公开
    ELECTROLYSER COMPRISING A MULTIPLE-JUNCTION PHOTOVOLTAIC CELL 审中-公开

    公开(公告)号：EP4276222A1

    公开(公告)日：2023-11-15

    申请号：EP22172883.5

    申请日：2022-05-12

    申请人： Siemens Energy Global GmbH & Co. KG

    发明人： Fleischer, Maximilian ,  Thiemann, Thomas

    IPC分类号： C25B1/04 ,  H01L31/043 ,  H01L31/078

    摘要： The present invention relates to an electrolyser (10a, 10b) comprising an electrolysis assembly (12) having an electrolysis cell (14) configured to generate an electrolysis product (16) from a supply medium (18). Further, the electrolyser (10a, 10b) comprises a multi-junction photovoltaic cell (20) having multiple p-n junctions (22, 23) and a regulation assembly (24a, 24b) having an electric power converter (26) configured to convert (102) at least a part of the electrical energy generated (104) by the multi-junction photovoltaic cell (20) according to requirements of the electrolysis assembly (12) so as to provide an energy supply for the electrolysis assembly (12).

    STAPELSOLARZELLENMODUL UND VERFAHREN ZUR HERSTELLUNG DES STAPELSOLARZELLENMODULS
    9.
    发明公开
    STAPELSOLARZELLENMODUL UND VERFAHREN ZUR HERSTELLUNG DES STAPELSOLARZELLENMODULS 审中-公开

    公开(公告)号：EP3886184A1

    公开(公告)日：2021-09-29

    申请号：EP21163525.5

    申请日：2021-03-18

    申请人： Helmholtz-Zentrum Berlin für Materialien und Energie GmbH

    发明人： Farias Basulto, Guillermo Antonio ,  Schlatmann, Rutger

    IPC分类号： H01L31/0463 ,  H01L31/0465 ,  H01L31/032 ,  H01L31/078 ,  H01L51/42 ,  H01L27/30

    摘要： Die Erfindung betrifft ein Stapelsolarzellenmodul ( 5 ), welches mindestens zwei Stapelsolarzellen ( 1 , 1' , 1a - 1d ), aufweist. Jeder der Stapelsolarzellen ( 1, 1' , 1a - 1d ) weist dabei eine Rückseitenkontaktschicht (10), eine Gruppe zentraler Schichten (20, 30, 40) und eine obere Kontaktschicht (50) auf. Die Gruppe zentraler Schichten (20, 30, 40) umfasst dabei mindestens zwei Teilsolarzellen (20, 40) mit mindestens jeweils einer Absorberschicht zwischen denen jeweils mindestens eine leitfähige Zwischenschicht (30) angeordnet ist. Zudem weist jede Rückseitenkontaktschicht (10) einer Stapelsolarzelle ein isolierendes Segment (60) auf, das die Rückseitenkontaktschicht (10) elektrisch trennt, so dass Abschnitte (10_1, 10_1', 10_2) gebildet sind und in der leitfähigen Zwischenschicht (30) einen Schichtisolator (70) und einen schichtübergreifender Leiter (90), der die Gruppe zentraler Schichten (20, 30, 40) umfasst und die obere Kontaktschicht (50) elektrisch mit einem Abschnitt (10_1, 10_1', 10_2) der Rückseitenkontaktschicht (10) verbindet. Dabei sind die einzelnen Stapelsolarzellen ( 1, 1' , 1a - 1d ) ,in dem Stapelsolarzellenmodul (5) durch Zellseparatoren (80) voneinander getrennt, die sich von der oberen Kontaktschicht (50), und diese umfassend, bis zu der, der Rückseitenkontaktschicht (10) am nächsten liegenden Schicht einer Teilsolarzelle (20), und diese umfassend, erstrecken und wobei für eine, in einer Reihe endständige Stapelsolarzelle ( 1, 1' , 1a - 1d ) im Stapelsolarzellenmodul (5) der Zellseparator (80) durch das Enden des Moduls (5) gegeben ist. In jeder Stapelsolarzelle ( 1, 1' , 1a - 1d ) ist dabei der schichtübergreifende Leiter (90) zwischen dem jeweiligen Schichtisolator (70) und dem Zellseparator (80) angeordnet und jeweils zwei benachbarte Stapelsolarzellen ( 1, 1' , 1a - 1d ) sind über einen, sich von einer Stapelsolarzelle ( 1, 1' , 1a - 1d ) in die nächste erstreckenden Abschnitt der Rückseitenkontaktschicht (10_1, 10_1', 10_2) elektrisch verbunden.