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    • 1. 发明申请
    • SOLAR CELL ELEMENT AND METHOD FOR PRODUCING THE SAME, AND SOLAR CELL MODULE
    • 太阳能电池元件及其制造方法以及太阳能电池模块
    • US20130061926A1
    • 2013-03-14
    • US13699290
    • 2011-05-20
    • Manabu KomodaKazuaki IwamejiKazuyoshi Fujimoto
    • Manabu KomodaKazuaki IwamejiKazuyoshi Fujimoto
    • H01L31/0264H01L31/18
    • H01L31/02167H01L31/068H01L31/1804H01L31/1868Y02E10/547Y02P70/521
    • Provided is a solar cell element comprising a semiconductor substrate which has a p-type semiconductor region, wherein one or more surface layer-internal regions which have Si—O bonds are formed in the surface layer part of the p-type semiconductor region and a passivation layer is formed on the surface layer-internal regions. Also provided is a solar cell module comprising the solar cell element. A method for producing a solar cell element is further provided, said method comprising: a substrate preparation step for preparing a semiconductor substrate which has a p-type semiconductor region; a surface treatment step for exposing the surface of the p-type semiconductor region to plasma produced using an oxygen-containing gas, and forming surface layer-internal regions which have Si—O bonds in the surface layer part of the p-type semiconductor region; and a layer formation process for forming a passivation layer on the surface layer-internal regions.
    • 提供一种太阳能电池元件,其包括具有p型半导体区域的半导体衬底,其中在p型半导体区域的表面层部分中形成有具有Si-O键的一个或多个表面层 - 内部区域, 钝化层形成在表层 - 内部区域上。 还提供了包括太阳能电池元件的太阳能电池模块。 还提供一种制造太阳能电池元件的方法,所述方法包括:制备具有p型半导体区域的半导体衬底的衬底制备步骤; 用于将p型半导体区域的表面暴露于使用含氧气体产生的等离子体的表面处理步骤,以及在p型半导体区域的表层部分形成具有Si-O键的表面层 - 内部区域 ; 以及用于在表面层内部区域上形成钝化层的层形成工艺。
    • 2. 发明申请
    • Solar Cell Device and Method of Manufacturing Solar Cell Device
    • 太阳能电池装置及制造太阳能电池装置的方法
    • US20110000532A1
    • 2011-01-06
    • US12865371
    • 2009-01-30
    • Koichiro NiiraKazuaki IwamejiManabu Komoda
    • Koichiro NiiraKazuaki IwamejiManabu Komoda
    • H01L31/0236H01L31/18
    • H01L31/0747H01L31/1804Y02E10/547Y02P70/521
    • A high-efficiency solar cell device producible in a simplified manner, and a method of manufacturing the same are provided. An insulation layer is formed on the back surface side of a semiconductor substrate of a first conductivity type. Removing part of the insulation layer exposes part of the semiconductor substrate to form a plurality of first through holes. A first layer of the first conductivity type is formed on the insulation layer and on the part of the semiconductor substrate exposed in the plurality of first through holes, whereby first junction regions are formed. Removing part of the first layer and the insulation layer exposes part of the semiconductor substrate to form a plurality of second through holes. A second layer of an opposite conductivity type is formed on the first layer and on the part of the semiconductor substrate exposed in the plurality of second through holes, whereby second junction regions are formed. A first conductive section for connecting the first junction regions to each other is formed on the first layer. A second conductive section for connecting the second junction regions to each other is formed on the second layer. The first through holes and the second through holes are formed by irradiation with a laser beam.
    • 提供了一种能够简化生产的高效太阳能电池装置及其制造方法。 在第一导电类型的半导体衬底的背面侧上形成绝缘层。 去除绝缘层的一部分暴露半导体衬底的一部分以形成多个第一通孔。 第一导电类型的第一层形成在绝缘层上以及暴露在多个第一通孔中的半导体衬底的部分上,由此形成第一结区。 去除第一层和绝缘层的一部分暴露半导体衬底的一部分以形成多个第二通孔。 在第一层和半导体衬底的在多个第二通孔中露出的部分上形成相反导电类型的第二层,由此形成第二结区。 在第一层上形成用于将第一结区彼此连接的第一导电部分。 用于将第二连接区域彼此连接的第二导电部分形成在第二层上。 通过用激光束照射形成第一通孔和第二通孔。