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    SOLAR CELL WITH REDUCED BASE DIFFUSION AREA
    3.
    发明公开
    SOLAR CELL WITH REDUCED BASE DIFFUSION AREA 审中-公开
    SOLARZELLE MIT VERRINGERTEM BASISDIFFUSIONSBEREICH

    公开(公告)号：EP3073537A1

    公开(公告)日：2016-09-28

    申请号：EP16169171.2

    申请日：2007-06-06

    申请人： SunPower Corporation

    发明人： DE CEUSTER, Denis ,  COUSINS, Peter J.

    IPC分类号： H01L31/061 ,  H01L31/068 ,  H01L31/0224

    CPC分类号： H01L31/022425 ,  H01L31/022441 ,  H01L31/061 ,  H01L31/0682 ,  H01L31/18 ,  Y02E10/547

    摘要： In one embodiment, a solar cell has base and emitter diffusion regions formed on the back side. The emitter diffusion region is configured to collect minority charge carriers in the solar cell, while the base diffusion region is configured to collect majority charge carriers. The emitter diffusion region may be a continuous region separating the base diffusion regions. Each of the base diffusion regions may have a reduced area to decrease minority charge carrier recombination losses without substantially increasing series resistance losses due to lateral flow of majority charge carriers. Each of the base diffusion regions may have a dot shape, for example.

    摘要翻译： 在一个实施例中，太阳能电池具有形成在背面的基极和发射极扩散区域。 发射极扩散区被配置为收集太阳能电池中的少数电荷载流子，而基极扩散区被配置成收集多数电荷载流子。 发射极扩散区域可以是分离基极扩散区域的连续区域。 每个基底扩散区域可以具有减小的面积以减少少数电荷载流子复合损耗，而不会由于多数电荷载流子的横向流动而基本上增加串联电阻损耗。 例如，每个基底扩散区域可以具有点状。

    Back contact solar cell
    4.
    发明公开
    Back contact solar cell 审中-公开
    RückseitenkontaktierteSolarzelle

    公开(公告)号：EP2854183A1

    公开(公告)日：2015-04-01

    申请号：EP14151032.1

    申请日：2014-01-14

    申请人： Inventec Solar Energy Corporation

    发明人： Chien, Jung-Wu ,  Lin, Chia-Lung ,  Chen, Chuan Chi

    IPC分类号： H01L31/0224 ,  H01L31/061

    CPC分类号： H01L31/061 ,  H01L31/022433 ,  H01L31/022441 ,  Y02E10/50

    摘要： A back contact solar cell is disclosed herein. The back contact solar cell includes a base diffusion region, a plurality of emitter diffusion regions, a plurality of base contact points, and a plurality of emitter contact points. Each of the emitter diffusion regions is implemented as a brick pattern structure and surrounded by the base diffusion region. The base contact points are disposed in the base diffusion region, and the base contact points are disposed between the emitter diffusion regions. Each of the emitter contact points is disposed at center of each emitter diffusion regions.

    摘要翻译： 本文公开了背接触太阳能电池。 背接触太阳能电池包括基极扩散区域，多个发射极扩散区域，多个基极接触点以及多个发射极接触点。 每个发射极扩散区被实现为砖图案结构并被基极扩散区包围。 基极接触点设置在基极扩散区域中，基极接触点设置在发射极扩散区域之间。 每个发射极接触点设置在每个发射极扩散区的中心。

    VERFAHREN ZUR HERSTELLUNG EINER SOLARZELLE
    5.
    发明公开
    VERFAHREN ZUR HERSTELLUNG EINER SOLARZELLE 审中-公开

    公开(公告)号：EP2695206A1

    公开(公告)日：2014-02-12

    申请号：EP12707060.5

    申请日：2012-02-23

    申请人： Robert Bosch GmbH

    发明人： BOESCKE, Tim

    IPC分类号： H01L31/18 ,  H01L31/061

    摘要： A method for producing a solar cell comprising a substrate (1) composed of crystalline silicon is described, wherein, in a surface (1a) of the Si substrate (1), a locally defined n-doped emitter region is produced by whole-area cold coating of the surface (1a) with a P-containing coating (3), followed by a local laser beam (L) doping-in of P atoms from the P-containing coating (3), and subsequent thermal drive-in of the P atoms, proceeding from the doping-in region.

    摘要翻译： 描述了一种用于制造太阳能电池的方法，该太阳能电池包括由晶体硅构成的衬底（1），其中，在Si衬底（1）的表面（1a）中，局部限定的n掺杂发射极区域由整个区域 用含P的涂层（3）对表面（1a）进行冷涂覆，随后用来自含P涂层（3）的P原子掺杂的局部激光束（L），以及随后的热驱入 P原子从掺杂区域开始。

    SOLAR CELL, PHOTOVOLTAIC MODULE, AND METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE
    6.
    发明公开
    SOLAR CELL, PHOTOVOLTAIC MODULE, AND METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE 审中-实审

    公开(公告)号：EP4336573A1

    公开(公告)日：2024-03-13

    申请号：EP23150891.2

    申请日：2023-01-10

    申请人： JINKO SOLAR CO., LTD ,  Zhejiang Jinko Solar Co., Ltd.

    发明人： CAO, Yuncheng ,  GUAN, Yingli ,  HUANG, Shiliang ,  GUO, Zhiqiu ,  DU, Jianghai

    IPC分类号： H01L31/068 ,  H01L31/0224 ,  H01L31/05 ,  H01L31/061

    摘要： Disclosed is solar cell, a photovoltaic module, and a method for manufacturing a photovoltaic module. The solar cell includes a substrate, first busbars and second busbars arranged on the substrate, first fingers connected to the first busbars, and second fingers connected to the second busbars. The first busbars and the second busbars have opposite polarities. The first fingers have a same polarity as the first busbars, and the second fingers have a same polarity as the second busbars. The substrate is provided with busbar pits. At least part of the first and second busbars are located in the busbar pits. Depths of the busbar pits range from 30 µm to 50 µm. Along a thickness direction of the substrate, ratios of the depths of the busbar pits to heights of the first busbars and/or the second busbars range from 10:3 to 6:5.