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公开(公告)号：US20180102450A1
公开(公告)日：2018-04-12
申请号：US15820524
申请日：2017-11-22
IPC分类号： H01L31/0465 , H01L31/0224 , H01L31/0232 , H01L31/0216 , H01L31/032 , H01L31/0445 , H01L31/18
摘要： Photovoltaic cells, photovoltaic devices, and methods of fabrication are provided. The photovoltaic cells include a transparent substrate to allow light to enter the photovoltaic cell through the substrate, and a light absorption layer associated with the substrate. The light absorption layer has opposite first and second surfaces, with the first surface being closer to the transparent substrate than the second surface. A passivation layer is disposed over the second surface of the light absorption layer, and a plurality of first discrete contacts and a plurality of second discrete contacts are provided within the passivation layer to facilitate electrical coupling to the light absorption layer. A first electrode and a second electrode are disposed over the passivation layer to contact the plurality of first discrete contacts and the plurality of second discrete contacts, respectively. The first and second electrodes may include a photon-reflective material.
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公开(公告)号：US20190288136A1
公开(公告)日：2019-09-19
申请号：US16427534
申请日：2019-05-31
IPC分类号： H01L31/0465 , H01L31/0392 , H01L31/0216 , H01L31/18 , H01L31/032 , H01L31/0445 , H01L31/0232 , H01L31/0224
摘要： Methods of fabricating photovoltaic cells are provided. The photovoltaic cells include a transparent substrate to allow light to enter the photovoltaic cell through the substrate, and a light absorption layer associated with the substrate. The light absorption layer has opposite first and second surfaces, with the first surface being closer to the transparent substrate than the second surface. A passivation layer is disposed over the second surface of the light absorption layer, and a plurality of first discrete contacts and a plurality of second discrete contacts are provided within the passivation layer to facilitate electrical coupling to the light absorption layer. A first electrode and a second electrode are disposed over the passivation layer to contact the plurality of first discrete contacts and the plurality of second discrete contacts, respectively. The first and second electrodes may include a photon-reflective material.
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公开(公告)号：US20180006179A1
公开(公告)日：2018-01-04
申请号：US15198204
申请日：2016-06-30
IPC分类号： H01L31/061 , H01L31/18 , H01L31/0296 , H01L31/028 , H01L31/0224 , H01L31/032 , H01L31/0445 , H01L31/0256
CPC分类号： H01L31/061 , H01L31/022433 , H01L31/022441 , H01L31/028 , H01L31/0296 , H01L31/0322 , H01L31/0326 , H01L31/035281 , H01L31/0392 , H01L31/0445 , H01L31/1868 , H01L2031/0344
摘要： Methods are provided for fabricating photovoltaic cell contacts, which include: providing a block copolymer layer above an electrical contact layer of the photovoltaic cell, the block copolymer layer being self-assembled by phase segregation to include multiple structures of a first polymer material surrounded, at least in part, by a second polymer material; selectively etching the block copolymer layer to remove the multiple structures, forming holes in the block copolymer layer; and using the holes in the block copolymer layer to facilitate providing electrical contacts between a light absorption layer of the photovoltaic cell and the electrical contact layer. For instance, the holes in the copolymer layer may be used in etching a passivation layer over the electrical contact layer to form nano-sized contact openings in the passivation layer to the contact layer. Once provided, the cell's light absorption material forms contacts extending through the contact openings in the passivation layer.
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公开(公告)号：US20170338364A1
公开(公告)日：2017-11-23
申请号：US15156488
申请日：2016-05-17
IPC分类号： H01L31/0687 , H01L31/043 , H01L31/046 , H01L31/05
CPC分类号： H01L31/046 , H01L31/043 , H01L31/0549 , Y02E10/52
摘要： Lateral multi junction photovoltaic cells, devices, and methods of fabrication are provided. The photovoltaic cells include a plurality of photovoltaic subcells mechanically stacked together in a stack. Each photovoltaic subcell includes a subcell substrate, and a light absorption structure associated with the substrate. Each light absorption structure is optimized for a respective defined spectral range of incoming radiation, with the light absorption structures of multiple subcells of the plurality of photovoltaic subcells being optimized for different spectral ranges, and being offset in the stack relative to an optical axis to avoid overlap. The photovoltaic cell further includes a spectrally-dispersive optical element, with the photovoltaic subcells in the stack being respectively located and aligned relative to the optical element based, at least in part, on the respective spectral ranges of the subcells' light absorption structures.
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公开(公告)号：US20160380139A1
公开(公告)日：2016-12-29
申请号：US14870276
申请日：2015-09-30
IPC分类号： H01L31/0465 , H01L31/0224 , H01L31/18 , H01L31/0445
CPC分类号： H01L31/0465 , H01L31/02167 , H01L31/022441 , H01L31/02327 , H01L31/0322 , H01L31/0326 , H01L31/0392 , H01L31/0445 , H01L31/18 , H01L31/1828 , H01L31/1868 , Y02E10/50
摘要： Photovoltaic cells, photovoltaic devices, and methods of fabrication are provided. The photovoltaic cells include a transparent substrate to allow light to enter the photovoltaic cell through the substrate, and a light absorption layer associated with the substrate. The light absorption layer has opposite first and second surfaces, with the first surface being closer to the transparent substrate than the second surface. A passivation layer is disposed over the second surface of the light absorption layer, and a plurality of first discrete contacts and a plurality of second discrete contacts are provided within the passivation layer to facilitate electrical coupling to the light absorption layer. A first electrode and a second electrode are disposed over the passivation layer to contact the plurality of first discrete contacts and the plurality of second discrete contacts, respectively. The first and second electrodes include a photon-reflective material.
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公开(公告)号：US20160380133A1
公开(公告)日：2016-12-29
申请号：US14751276
申请日：2015-06-26
IPC分类号： H01L31/0224 , H01L31/18 , H01L31/0445 , H01L31/0232 , H01L31/0216 , H01L31/032
CPC分类号： H01L31/0465 , H01L31/02167 , H01L31/022441 , H01L31/02327 , H01L31/0322 , H01L31/0326 , H01L31/0392 , H01L31/0445 , H01L31/18 , H01L31/1828 , H01L31/1868 , Y02E10/50
摘要： Photovoltaic cells, photovoltaic devices, and methods of fabrication are provided. The photovoltaic cells include a transparent substrate to allow light to enter the photovoltaic cell through the substrate, and a light absorption layer associated with the substrate. The light absorption layer has opposite first and second surfaces, with the first surface being closer to the transparent substrate than the second surface. A passivation layer is disposed over the second surface of the light absorption layer, and a plurality of first discrete contacts and a plurality of second discrete contacts are provided within the passivation layer to facilitate electrical coupling to the light absorption layer. A first electrode and a second electrode are disposed over the passivation layer to contact the plurality of first discrete contacts and the plurality of second discrete contacts, respectively. The first and second electrodes include a photon-reflective material.
摘要翻译： 提供了光伏电池，光伏器件和制造方法。 光伏电池包括允许光通过衬底进入光伏电池的透明衬底和与衬底相关联的光吸收层。 光吸收层具有相对的第一和第二表面，其中第一表面比第二表面更靠近透明基底。 钝化层设置在光吸收层的第二表面上方，并且多个第一离散触点和多个第二离散触点设置在钝化层内以促进与光吸收层的电耦合。 第一电极和第二电极设置在钝化层上方以分别接触多个第一离散触点和多个第二离散触点。 第一和第二电极包括光子反射材料。
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7.发明申请MONOLITHICALLY INTEGRATED THIN-FILM ELECTRONIC CONVERSION UNIT FOR LATERAL MULTIJUNCTION THIN-FILM SOLAR CELLS 有权用于横向多功能薄膜太阳能电池的单片整体薄膜电子转换单元公开(公告)号：US20160099369A1
公开(公告)日：2016-04-07
申请号：US14805833
申请日：2015-07-22
IPC分类号： H01L31/0687 , H01L31/18 , H01L31/02 , H01M10/46 , H01L31/0232
CPC分类号： H01L31/18 , H01L31/0201 , H01L31/02327 , H01L31/043 , H01L31/053 , H01L31/0549 , H01L31/0687 , H01M10/465 , H02S40/32 , H02S40/38 , Y02E10/52
摘要： An integrated thin-film lateral multi junction solar device and fabrication method are provided. The device includes, for instance, a substrate, and a plurality of stacks extending vertically from the substrate. Each stack may include layers, and be electrically isolated against another stack. Each stack may also include an energy storage device above the substrate, a solar cell above the energy storage device, a transparent medium above the solar cell, and a micro-optic layer of spectrally dispersive and concentrating optical devices above the transparent medium. Furthermore, the device may include a first power converter connected between the energy storage device and a power bus, and a second power converter connected between the solar cell and the power bus. Further, different solar cells of different stacks may have different absorption characteristics.
摘要翻译： 提供了一种集成薄膜横向多结太阳能装置及其制造方法。 该器件包括例如衬底和从衬底垂直延伸的多个堆叠。 每个堆叠可以包括层，并且与另一堆叠电隔离。 每个堆叠还可以包括在基板上方的能量存储装置，能量存储装置上方的太阳能电池，太阳能电池之上的透明介质，以及在透明介质上方的光谱色散和浓缩光学装置的微光层。 此外，该装置可以包括连接在能量存储装置和电力总线之间的第一电力转换器和连接在太阳能电池和电力总线之间的第二电力转换器。 此外，不同堆叠的不同太阳能电池可具有不同的吸收特性。
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