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    • 4. 发明申请
    • APPARATUS AND METHOD FOR HYBRID PHOTOVOLTAIC DEVICE HAVING MULTIPLE, STACKED, HETEROGENEOUS, SEMICONDUCTOR JUNCTIONS
    • 具有多个,堆叠,异质,半导体结的混合光电器件的装置和方法
    • WO2012082772A2
    • 2012-06-21
    • PCT/US2011/064697
    • 2011-12-13
    • ASCENT SOLAR TECHNOLOGIES, INC.WOODS, Lawrence, M.ARMSTRONG, Joseph, H.
    • WOODS, Lawrence, M.ARMSTRONG, Joseph, H.
    • H01L31/078
    • H01L31/0304H01L31/043H01L31/0465H01L31/065H01L31/1896H01L2924/0002Y02E10/50H01L2924/00
    • A photovoltaic (PV) device has at least one lower PV cell on a substrate, the cell having a metallic back contact, and a I-III-VI absorber, and a transparent conductor layer. An upper PV cell is adhered to the lower PV cell, electrically in series to form a stack. The upper PV cell has III- V absorber and junction layers, the cells are adhered by transparent conductive adhesive having filler of conductive nanostructures or low temperature solder. The upper PV cell has no substrate. An embodiment has at least one shape of patterned conductor making contact to both a top of the upper and a back contact of the lower cells to couple them together in series. In an embodiment, a shape of patterned conductor draws current from excess area of the lower cell to the upper cell, in an alternative embodiment shapes of patterned conductor couples I-III-VI cells not underlying upper cells in series strings, a string being in parallel with at least one stack. In an embodiment, the bonding agent is a polymeric adhesive containing conductive nanostructures. In an embodiment the III-V absorber is grown on single crystal, substrate. A method for forming the device is described.
    • 光伏(PV)器件在衬底上具有至少一个下部PV电池,电池具有金属背接触,以及I-III-VI吸收体和透明导体层。 上部PV电池被电连接到下部PV电池,以形成堆叠。 上部PV电池具有III-V吸收体和接合层,电池通过具有导电纳米结构或低温焊料填料的透明导电粘合剂粘合。 上部PV电池没有基板。 一个实施例具有图案化导体的至少一种形状,其与下电池的上部和下部接触的顶部接触,以将它们串联在一起。 在一个实施例中,图案化导体的形状从下部单元的多余区域吸取电流到上部单元,在替代实施例中,图案化导体的形状将I-III-VI单元不连接在串联串中的上部单元下方, 与至少一个堆叠平行。 在一个实施方案中,粘合剂是含有导电纳米结构的聚合物粘合剂。 在一个实施方案中,III-V吸收剂在单晶衬底上生长。 描述了用于形成装置的方法。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR HYBRID PHOTOVOLTAIC DEVICE HAVING MULTIPLE, STACKED, HETEROGENEOUS, SEMICONDUCTOR JUNCTIONS
    • 具有多个,堆叠,异质,半导体结的混合光电器件的装置和方法
    • WO2012082772A3
    • 2013-03-14
    • PCT/US2011064697
    • 2011-12-13
    • ASCENT SOLAR TECHNOLOGIES INCWOODS LAWRENCE MARMSTRONG JOSEPH H
    • WOODS LAWRENCE MARMSTRONG JOSEPH H
    • H01L25/04H01L27/142H01L31/18
    • H01L31/0304H01L31/043H01L31/0465H01L31/065H01L31/1896H01L2924/0002Y02E10/50H01L2924/00
    • A photovoltaic (PV) device has at least one lower PV cell on a substrate, the cell having a metallic back contact, and a I-III-VI absorber, and a transparent conductor layer. An upper PV cell is adhered to the lower PV cell, electrically in series to form a stack. The upper PV cell has III- V absorber and junction layers, the cells are adhered by transparent conductive adhesive having filler of conductive nanostructures or low temperature solder. The upper PV cell has no substrate. An embodiment has at least one shape of patterned conductor making contact to both a top of the upper and a back contact of the lower cells to couple them together in series. In an embodiment, a shape of patterned conductor draws current from excess area of the lower cell to the upper cell, in an alternative embodiment shapes of patterned conductor couples I-III-VI cells not underlying upper cells in series strings, a string being in parallel with at least one stack. In an embodiment, the bonding agent is a polymeric adhesive containing conductive nanostructures. In an embodiment the III-V absorber is grown on single crystal, substrate. A method for forming the device is described.
    • 光伏(PV)器件在衬底上具有至少一个下部PV电池,电池具有金属背接触,以及I-III-VI吸收体和透明导体层。 上部PV电池被电连接到下部PV电池,以形成堆叠。 上部PV电池具有III-V吸收体和接合层,电池通过具有导电纳米结构或低温焊料填料的透明导电粘合剂粘合。 上部PV电池没有基板。 一个实施例具有图案化导体的至少一种形状,其与下电池的上部和下部接触的顶部接触,以将它们串联在一起。 在一个实施例中,图案化导体的形状从下部单元的多余区域吸取电流到上部单元,在替代实施例中,图案化导体的形状将I-III-VI单元不连接在串联串中的上部单元下方, 与至少一个堆叠平行。 在一个实施方案中,粘合剂是含有导电纳米结构的聚合物粘合剂。 在一个实施方案中,III-V吸收剂在单晶衬底上生长。 描述了用于形成装置的方法。