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    • 1. 发明申请
    • SOLAR CELL AND METHOD FOR THE PRODUCTION OF A SOLAR CELL
    • 太阳能电池及其制备方法的太阳能电池
    • WO2009092426A3
    • 2009-09-24
    • PCT/EP2008010713
    • 2008-12-16
    • FRAUNHOFER GES FORSCHUNGUNIV ALBERT LUDWIGS FREIBURGSCHULTZ-WITTMANN OLIVERGRANEK FILIPHERMLE MARTINBENICK JAN
    • SCHULTZ-WITTMANN OLIVERGRANEK FILIPHERMLE MARTINBENICK JAN
    • H01L31/0224H01L31/0352H01L31/068H01L31/18
    • H01L31/0682H01L31/022441H01L31/1804Y02E10/547Y02P70/521
    • The invention relates to a solar cell having a front side for coupling electromagnetic radiation, and a rear side, comprising at least one base metallization (3) and at least one emitter metallization (6), and a semi-conductor structure, which has at least one base region (1) of a first doping type, and at least one emitter region (2) of a second doping type opposite the first doping type, for forming a p-n junction between the base and the emitter, wherein the base metallization (3) is connected to the base region (1) and the emitter metallization (6) is connected to the emitter region (2) in an electrically conductive manner. The base metallization (3) and the emitter metallization (6) are both disposed on a metallization side of the solar cell, which is either the front side or the rear side of the solar cell, and the emitter region (2) extends at least partially along the metallization side of the solar cell. It is essential to the invention that the emitter region (2) extends at least partially into the region of the metallization side covered by the base metallization (3), and that the semi-conductor structure further has an insulating region (4) of the first doping type, which extends along the metallization side of the solar cell at least partially between the base metallization (3) and the emitter region (2). The invention further relates to a method for the production of a solar cell.
    • 本发明涉及一种具有用于耦合的电磁辐射和后侧的前侧上的太阳能电池,包括至少一种碱金属化(3)和至少一个发射极金属(6)和包括半导体结构的至少一个第一掺杂类型的基部(1)和至少一个发射区(2 )第二,相反于该第一掺杂类型的掺杂类型的,它包括基部和发射极之间的pn结的形成,所述基础金属化(3)(与该基极区域1)和发射极金属化(6)到发射极区域(2)导电地连接 基础金属化(3)和发射极金属化(6)都位于所述太阳能电池的金属化,这是前部或太阳能电池的背面和发射极区(2)沿着所述太阳能电池的金属化侧上的至少部分地延伸。 至关重要的是,在发射极区域(2)至少部分地延伸覆盖在基础金属化(3)的金属化的区域中,并且,除了所述半导体结构的隔离区(4)具有沿着所述太阳能电池的金属化侧上的至少部分地之间延伸的第一掺杂类型 基础金属化(3)和发射极区(2)。 本发明还涉及一种用于制造太阳能电池的方法。
    • 3. 发明申请
    • SOLAR CELL AND METHOD FOR THE PRODUCTION THEREOF
    • 太阳能电池和方法及其
    • WO2009149841A2
    • 2009-12-17
    • PCT/EP2009003859
    • 2009-05-29
    • FRAUNHOFER GES FORSCHUNGBIRO DANIELCLEMENT FLORIANSCHULTZ-WITTMANN OLIVER
    • BIRO DANIELCLEMENT FLORIANSCHULTZ-WITTMANN OLIVER
    • H01L31/0224H01L31/068
    • H01L31/0682H01L31/02245H01L31/0504H01L31/1804Y02E10/547Y02P70/521
    • The invention relates to a solar cell comprising a semiconductor substrate with a front face and a rear face running substantially parallel thereto, a front face metallisation, a rear face metallisation and at least three doped regions having at least two different conductivity types: a first doped region with a first conductivity type is located on the front face of the semiconductor substrate and extends substantially over the entire front face; a second doped region with the opposite conductivity type to that of the first conductivity type is located on the rear face and extends partially over said face; and a third doped region with the first conductivity type is located on the rear face and extends partially over said face. The front face metallisation is connected to the first doped region and the rear face metallisation is connected to the second doped region in an electrically conductive manner and the solar cell has an electrically conductive connection which connects the third doped region to the front face metallisation and/or the first doped region.
    • 本发明涉及包括具有前的半导体衬底的太阳能电池和基本上平行在向后,前侧和背面和至少三个杂质区域具有至少两个不同的导电类型,在所述半导体基板的前侧是第一的,基本上 布置整个前延伸的第一导电类型的掺杂区,在所述半导体基板的背面上的第二,跨越掺杂的第二区域的背面部分地延伸,相对的布置在后侧的第一导电类型的导电类型是第三,跨越掺杂的背面部分地延伸 设置在第一导电类型的,所述前侧与所述第一掺杂区域和所述背面侧与所述第二杂质区导电 被连接和该太阳能电池包括第三掺杂区与所述前侧和/或第一杂质区导电性地连接的导电连接。