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    Thin-film solar cell
    2.
    发明授权
    Thin-film solar cell 失效
    薄膜太阳能电池

    公开(公告)号：US5397400A

    公开(公告)日：1995-03-14

    申请号：US94304

    申请日：1993-07-21

    申请人： Yoshinori Matsuno ,  Hideo Naomoto ,  Satoshi Arimoto ,  Hiroaki Morikawa ,  Hajime Sasaki

    发明人： Yoshinori Matsuno ,  Hideo Naomoto ,  Satoshi Arimoto ,  Hiroaki Morikawa ,  Hajime Sasaki

    IPC分类号： H01L31/04 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/0236 ,  H01L31/0352 ,  H01L31/068 ,  H01L31/18 ,  H01L33/00 ,  H01L31/06

    CPC分类号： H01L31/022433 ,  H01L31/02168 ,  H01L31/02363 ,  H01L31/035281 ,  H01L31/068 ,  H01L31/1804 ,  H01L33/0079 ,  H01L2924/0002 ,  Y02E10/547 ,  Y02P70/521 ,  Y10S438/977

    摘要： A thin-film solar cell includes a thin active layer of high purity material having opposed front and rear surfaces for light-to-electricity conversion, a structure for supporting the thin active layer, and a rear electrode in contact with the rear surface of the active layer. The supporting structure includes a supporting substrate of a low purity material having opposed front and rear surfaces, on the front surface of which the rear surface of the active layer is disposed, and an insulating barrier layer interposed between the front surface of the supporting substrate and the rear surface of the active layer. The barrier layer prevents impurities in the supporting substrate from diffusing into the active layer. Since the supporting substrate comprises a low purity material, the quantity of the expensive high purity material can be reduced by reducing the thickness of the active layer, resulting in low production costs. Since the supporting substrate is present on the rear surface of the active layer, a surface electrode disposed on the front surface of the active layer is exposed. Therefore, when a solar cell module is fabricated using a plurality of the solar cells, a wire bonding process for connecting adjacent solar cells is easily carried out.

    摘要翻译： 薄膜太阳能电池包括具有相对的用于光电转换的相对的前表面和后表面的高纯度材料的薄活性层，用于支撑薄活性层的结构和与所述薄电极的背面接触的后电极 活动层 支撑结构包括具有相对的前表面和后表面的低纯度材料的支撑衬底，其前表面上设置有源层的后表面，以及绝缘阻挡层，介于支撑衬底的前表面和 活性层的后表面。 阻挡层防止支撑衬底中的杂质扩散到有源层中。 由于支撑基板包括低纯度材料，所以通过减小活性层的厚度可以降低昂贵的高纯度材料的量，导致生产成本低。 由于支撑衬底存在于有源层的后表面上，所以露出有源层前表面上的表面电极。 因此，当使用多个太阳能电池制造太阳能电池模块时，容易进行用于连接相邻太阳能电池的引线接合工艺。

    Thin-film solar cell production method
    3.
    发明授权
    Thin-film solar cell production method 失效
    薄膜太阳能电池生产方法

    公开(公告)号：US5360745A

    公开(公告)日：1994-11-01

    申请号：US2808

    申请日：1993-01-11

    申请人： Hajime Sasaki ,  Hideo Naomoto

    发明人： Hajime Sasaki ,  Hideo Naomoto

    IPC分类号： H01L21/02 ,  C23C4/12 ,  H01L21/322 ,  H01L31/0368 ,  H01L31/04 ,  H01L31/18 ,  H01L31/0392

    CPC分类号： H01L31/03682 ,  C23C4/134 ,  H01L31/1804 ,  Y02E10/546 ,  Y02E10/547 ,  Y02P70/521 ,  Y10S148/054

    摘要： A thin-film solar cell includes a thin-film active layer with a p-n Junction and a heat-resistant substrate for mechanically supporting the active layer, which substrate is formed by a plasma coating method. In the plasma coating method, a source material of the substrate is melted with a high-temperature plasma and sprayed onto a base plate by a high-speed gas jet. Since the substrate formed by the plasma coating method is porous, even if an inexpensive material including a lot of impurities is used as a material of the substrate, the impurities are collected in pores of the substrate and never sprout out of the substrate breaking through the thin-film active layer.

    摘要翻译： 薄膜太阳能电池包括具有p-n结的薄膜有源层和用于机械支撑有源层的耐热基板，该基板通过等离子体涂覆法形成。 在等离子体涂覆方法中，用高温等离子体熔化基板的源材料，并通过高速气体喷射喷射到基板上。 由于通过等离子体涂覆法形成的基板是多孔的，即使使用包含大量杂质的廉价材料作为基板的材料，杂质被收集在基板的孔中，并且不会从基板突出穿过基板 薄膜活性层。

    Method of producing thin film solar cell
    5.
    发明授权
    Method of producing thin film solar cell 失效
    制造薄膜太阳能电池的方法

    公开(公告)号：US5963790A

    公开(公告)日：1999-10-05

    申请号：US879367

    申请日：1997-06-20

    申请人： Yoshinori Matsuno ,  Hideo Naomoto ,  Satoshi Arimoto ,  Hiroaki Morikawa ,  Hajime Sasaki

    发明人： Yoshinori Matsuno ,  Hideo Naomoto ,  Satoshi Arimoto ,  Hiroaki Morikawa ,  Hajime Sasaki

    IPC分类号： H01L31/04 ,  H01L31/0216 ,  H01L31/0224 ,  H01L31/0236 ,  H01L31/0352 ,  H01L31/068 ,  H01L31/18 ,  H01L33/00

    CPC分类号： H01L31/022433 ,  H01L31/02168 ,  H01L31/02363 ,  H01L31/035281 ,  H01L31/068 ,  H01L31/1804 ,  H01L33/0079 ,  H01L2924/0002 ,  Y02E10/547 ,  Y02P70/521 ,  Y10S438/977

    摘要： A method for producing a thin film solar cell includes preparing a substrate of a low purity material and having opposed front and rear surfaces; forming an insulating film on the front surface of the substrate; forming a second conductivity type active layer of a high purity material on the insulating film with a front surface exposed; forming a second conductivity type semiconductor region within the active layer, reaching the front surface, to produce a p-n junction for light-to-electricity conversion; forming an anti-reflection film on the front surface of the active layer, the anti-reflection film reducing reflection of incident light; forming a surface electrode in contact with the front surface of the active layer; adhering the front surface side of the active layer to a supporting plate and selectively etching the low purity substrate from the rear surface to form a supporting substrate supporting the active layer; and forming a rear electrode on the rear surface of the supporting substrate contacting the active layer.

    摘要翻译： 一种制造薄膜太阳能电池的方法包括制备低纯度材料的基片并具有相对的前表面和后表面; 在所述基板的前表面上形成绝缘膜; 在绝缘膜上形成具有暴露的前表面的高纯度材料的第二导电型有源层; 在有源层内形成第二导电类型的半导体区域，到达前表面，以产生用于光电转换的p-n结; 在有源层的正面上形成防反射膜，防反射膜减少入射光的反射; 形成与所述有源层的前表面接触的表面电极; 将有源层的前表面侧粘附到支撑板上，并从后表面选择性地蚀刻低纯度基板以形成支撑有源层的支撑基板; 以及在与有源层接触的支撑基板的后表面上形成后电极。