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    METHOD OF PATTERNING A THIN-FILM PHOTOVOLTAIC LAYER STACK
    1.
    发明公开
    METHOD OF PATTERNING A THIN-FILM PHOTOVOLTAIC LAYER STACK 审中-实审

    公开(公告)号：EP4322228A3

    公开(公告)日：2024-05-15

    申请号：EP23217965.5

    申请日：2021-02-17

    申请人： NICE Solar Energy GmbH

    发明人： LIN, Shuping ,  REINEKER, Raffael ,  SHAN, Hongqing ,  MÜLLER, Joachim Leopold Ludwig ,  SPRECHER, Bernd ,  ORGASSA, Kay

    IPC分类号： H01L31/0224 ,  H01L31/18 ,  H01L31/0463

    CPC分类号： H01L31/18 ,  H01L31/022425 ,  H01L31/0463 ,  Y02E10/50 ,  Y02E10/541

    摘要： The present disclosure relates to a method of patterning a thin-film photovoltaic layer stack (20), the method comprising the steps of:
    - providing of a continuous layer stack (20), the layer stack (20) comprising a planar substrate (21), a first electrode layer (22) on the substrate (21) and a photovoltaic layer (24) on the electrode layer (22),
    - immersing the layer stack (20) into an electrically conductive solution (40),
    - applying a bias voltage between the electrolyte solution (40) and the first electrode layer (22) and
    - converting of a first material (51, 53) or a first material composition provided in at least a first portion (50, 52, 54) of the layer stack (20) into a first reaction product (56) by an electrochemical reaction, wherein the first reaction product (56) has an electrical conductivity that is lower than an electrical conductivity of the first material (51, 53) or first material composition, or
    - removing a first material (51, 53) or a first material composition provided in at least a first portion (50, 52, 54) of the layer stack (20) by an electrochemical reaction.

    SOLAR CELL ELEMENT AND CELL ARRANGEMENT MADE FROM THE ELEMENTS
    10.
    发明公开
    SOLAR CELL ELEMENT AND CELL ARRANGEMENT MADE FROM THE ELEMENTS 审中-公开
    太阳能电池元件和元件由元件组成

    公开(公告)号：EP3177947A2

    公开(公告)日：2017-06-14

    申请号：EP15756477.4

    申请日：2015-07-29

    申请人： Ecosolifer AG

    发明人： BELEZNAY, Ferenc ,  NÉMETH, Ágoston

    IPC分类号： G02B5/02 ,  H01L31/0236 ,  H01L31/042 ,  H01L31/054 ,  H01L31/056 ,  H01L31/0463 ,  H01L31/0392 ,  H01L31/0749

    CPC分类号： H01L31/056 ,  G02B5/124 ,  H01L31/022466 ,  H01L31/02363 ,  H01L31/02366 ,  H01L31/0392 ,  H01L31/046 ,  H01L31/0463 ,  H01L31/0465 ,  H01L31/0749 ,  H01L51/447 ,  Y02E10/52 ,  Y02E10/541 ,  Y02E10/549 ,  Y02P70/521

    摘要： Solar cell element with a carrier (14), a thin film layer structure on a surface of the carrier, the thin film layer structure comprises a transparent first electrode layer (20), active layers (22, 23) in which a portion of the energy of the incident light is absorbed and a second electrode layer (24), the thin film layer structure has a light reflecting rear boundary surface, and the surface of said carrier (14) comprises at least two planar surface regions that close and angle with and form continuation of each other so that between them a recess is formed, and a portion of light reflected from the rear boundary surface of a first surface region will pass through the recess to fall on the second surface region and generates additional charge carriers therein, and the thin film structure on the surface regions constitutes a uniform uninterrupted thin film structure, wherein the extent of absorption of the thin film structure in the visible spectral region of light is at most 90% of the energy of the incident light. A plurality of the solar cell elements forms a solar cell arrangement, in which the carrier (14) is common for all cell elements and a surface of the carrier (14) has a plurality of juxtaposed pyramid-like recesses on which the thin film layers are provided.

    摘要翻译： 具有载体（14）的太阳能电池元件，载体表面上的薄膜层结构，所述薄膜层结构包括透明的第一电极层（20），活性层（22,23），活性层 所述入射光的能量被吸收并且第二电极层（24）具有光反射后边界表面，并且所述载体（14）的表面包括至少两个平面表面区域，所述至少两个平表面区域与所述载体 并形成彼此的连续，使得在它们之间形成凹陷，并且从第一表面区域的后边界表面反射的光的一部分将穿过凹陷落在第二表面区域上并在其中产生附加电荷载流子， 并且表面区域上的薄膜结构构成均匀的不间断薄膜结构，其中在可见光谱区域中的薄膜结构的吸收程度至多为 e入射光的能量。 多个太阳能电池元件形成太阳能电池装置，其中载体（14）对于所有电池元件是公共的，并且载体（14）的表面具有多个并列的金字塔状凹部，薄膜层 被提供。