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    ONE-DIMENSIONAL METALLIZATION FOR SOLAR CELLS
    1.
    发明申请
    ONE-DIMENSIONAL METALLIZATION FOR SOLAR CELLS 审中-公开
    太阳能电池的一维金属化

    公开(公告)号：US20160380132A1

    公开(公告)日：2016-12-29

    申请号：US14750821

    申请日：2015-06-25

    申请人： Richard Hamilton Sewell ,  David Fredric Joel Kavulak ,  Lewis Abra ,  Thomas P. Pass ,  Taeseok Kim ,  Matthieu Moors ,  Benjamin Ian Hsia ,  Gabriel Harley

    发明人： Richard Hamilton Sewell ,  David Fredric Joel Kavulak ,  Lewis Abra ,  Thomas P. Pass ,  Taeseok Kim ,  Matthieu Moors ,  Benjamin Ian Hsia ,  Gabriel Harley

    IPC分类号： H01L31/0224 ,  H01L31/0368 ,  H01L31/05 ,  H01L31/0687

    摘要： Approaches for fabricating one-dimensional metallization for solar cells, and the resulting solar cells, are described. In an example, a solar cell includes a substrate having a back surface and an opposing light-receiving surface. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the back surface of the substrate and parallel along a first direction to form a one-dimensional layout of emitter regions for the solar cell. A conductive contact structure is disposed on the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes a plurality of metal lines corresponding to the plurality of alternating N-type and P-type semiconductor regions. The plurality of metal lines is parallel along the first direction to form a one-dimensional layout of a metallization layer for the solar cell.

    摘要翻译： 描述了制造用于太阳能电池的一维金属化的方法以及所得到的太阳能电池。 在一个示例中，太阳能电池包括具有背面和相对的光接收表面的基板。 多个交替的N型和P型半导体区域设置在基板的背面中或上方并且沿着第一方向平行，以形成用于太阳能电池的发射极区域的一维布局。 导电接触结构设置在多个交替的N型和P型半导体区域上。 导电接触结构包括对应于多个交替的N型和P型半导体区的多个金属线。 多个金属线沿着第一方向平行以形成用于太阳能电池的金属化层的一维布局。

    Leave-In Etch Mask for Foil-Based Metallization of Solar Cells
    2.
    发明申请
    Leave-In Etch Mask for Foil-Based Metallization of Solar Cells 审中-公开
    用于太阳能电池箔基金属化的离子蚀刻掩模

    公开(公告)号：US20160380127A1

    公开(公告)日：2016-12-29

    申请号：US14752828

    申请日：2015-06-26

    申请人： Richard Hamilton Sewell ,  David Fredric Joel Kavulak ,  Taeseok Kim ,  Gabriel Harley

    发明人： Richard Hamilton Sewell ,  David Fredric Joel Kavulak ,  Taeseok Kim ,  Gabriel Harley

    IPC分类号： H01L31/0224 ,  H01L31/0216 ,  H01L31/18

    CPC分类号： H01L31/022441 ,  H01L31/0682 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

    摘要： Approaches for fabricating foil-based metallization of solar cells based on a leave-in etch mask, and the resulting solar cells, are described. In an example, a solar cell includes a substrate having a back surface and an opposing light-receiving surface. A plurality of alternating N-type and P-type semiconductor regions is disposed in or above the back surface of the substrate. A conductive contact structure is disposed on the plurality of alternating N-type and P-type semiconductor regions. The conductive contact structure includes metal foil portions in alignment with corresponding ones of the alternating N-type and P-type semiconductor regions. A patterned wet etchant-resistant polymer layer is disposed on the conductive contact structure. Portions of the patterned wet etchant-resistant polymer layer are disposed on and in alignment with the metal foil portions.

    摘要翻译： 描述了基于留下蚀刻掩模和所得到的太阳能电池来制造基于箔的金属化太阳能电池的方法。 在一个示例中，太阳能电池包括具有背面和相对的光接收表面的基板。 多个交替的N型和P型半导体区域设置在衬底的背面中或上方。 导电接触结构设置在多个交替的N型和P型半导体区域上。 导电接触结构包括与交替的N型和P型半导体区域中的对应的金属箔部分对准的金属箔部分。 图案化的耐湿蚀刻剂聚合物层设置在导电接触结构上。 图案化的耐湿蚀刻剂聚合物层的一部分设置在金属箔部分上并与之对齐。

    LASER STOP LAYER FOR FOIL-BASED METALLIZATION OF SOLAR CELLS
    10.
    发明申请
    LASER STOP LAYER FOR FOIL-BASED METALLIZATION OF SOLAR CELLS 审中-公开
    激光停止层用于基于金属的太阳能电池的金属化

    公开(公告)号：US20160163901A1

    公开(公告)日：2016-06-09

    申请号：US14563723

    申请日：2014-12-08

    申请人： Benjamin Ian Hsia ,  Gabriel Harley ,  Taeseok Kim ,  Richard Hamilton Sewell ,  Sung Dug Kim

    发明人： Benjamin Ian Hsia ,  Gabriel Harley ,  Taeseok Kim ,  Richard Hamilton Sewell ,  Sung Dug Kim

    IPC分类号： H01L31/0475 ,  H01L31/18 ,  C09D7/12 ,  H01L31/028 ,  H01L31/0224

    摘要： Approaches for the foil-based metallization of solar cells and the resulting solar cells are described. For example, a method of fabricating a solar cell involves forming a plurality of alternating N-type and P-type semiconductor regions in or above a substrate. The method also involves forming a paste between adjacent ones of the alternating N-type and P-type semiconductor regions. The method also involves curing the paste to form non-conductive material regions in alignment with locations between the alternating N-type and P-type semiconductor regions. The method also involves adhering a metal foil to the alternating N-type and P-type semiconductor regions. The method also involves laser ablating through the metal foil in alignment with the locations between the alternating N-type and P-type semiconductor regions to isolate regions of remaining metal foil in alignment with the alternating N-type and P-type semiconductor regions. The non-conductive material regions act as a laser stop during the laser ablating.

    摘要翻译： 描述了用于太阳能电池和所得太阳能电池的箔基金属化的方法。 例如，制造太阳能电池的方法涉及在基板中或上方形成多个交替的N型和P型半导体区域。 该方法还涉及在相邻的交替的N型和P型半导体区域之间形成糊状物。 该方法还涉及固化糊料以形成与交替的N型和P型半导体区域之间的位置对准的非导电材料区域。 该方法还涉及将金属箔粘附到交替的N型和P型半导体区域。 该方法还包括通过金属箔激光烧蚀与交替的N型和P型半导体区域之间的位置对准，以将残留金属箔的区域与交替的N型和P型半导体区域对准。 在激光烧蚀期间，非导电材料区域用作激光停止。