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21.发明申请PARALLEL INTERCONNECTION OF NEIGHBORING SOLAR CELLS WITH DUAL COMMON BACK PLANES 审中-公开具有双重共同背景平面的相邻太阳能电池的平行互连公开(公告)号：US20160233366A1
公开(公告)日：2016-08-11
申请号：US14719111
申请日：2015-05-21
发明人： Daniel Aiken , Lei Yang , Daniel Derkacs
IPC分类号： H01L31/05 , B64G1/44 , H01L31/0735 , H01L31/049 , H01L31/047
CPC分类号： H01L31/0516 , B64G1/443 , H01L31/047 , H01L31/049 , H01L31/0504 , H01L31/0735 , Y02E10/50
摘要： A solar assembly or module comprising a plurality of solar cells and a support, the support comprising a conductive layer or back plane on each planar side. Each one of the plurality of solar cells is placed on the first conductive portion with the first contact electrically connected to the first conductive portion so that the solar cells are connected in parallel through the first conductive portion. A second contact of each solar cell can be connected to the second conductive portion so that the first and second conductive portions form terminals of opposite conductivity type. The modules can be interconnected to form a string or an electrical series connection of discrete modules by overlapping and bonding the first terminal of a first module with the second terminal of a second module.
摘要翻译： 包括多个太阳能电池和支撑件的太阳能组件或模块，所述支撑件包括在每个平面侧上的导电层或背面。 多个太阳能电池中的每一个被放置在第一导电部分上，其中第一触点与第一导电部分电连接，使得太阳能电池通过第一导电部分并联连接。 每个太阳能电池的第二接触可以连接到第二导电部分，使得第一和第二导电部分形成相反导电类型的端子。 通过将第一模块的第一端子与第二模块的第二端子重叠和结合，模块可以互连以形成离散模块的串联或电串联连接。
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公开(公告)号：US12051760B2
公开(公告)日：2024-07-30
申请号：US18221462
申请日：2023-07-13
发明人： John Hart , Daniel Derkacs , Zachary Bittner , Andrew Espenlaub
IPC分类号： H01L31/0735 , H01L31/065 , H01L31/0687 , H01L31/0693 , H01L31/0725
CPC分类号： H01L31/0735 , H01L31/065 , H01L31/0687 , H01L31/0693 , H01L31/0725
摘要： A multijunction solar cell including an upper first solar subcell having an emitter and base layers forming a photoelectric junction; a second solar subcell disposed under and adjacent to the upper first solar subcell, and having an emitter and base layers forming a photoelectric junction; and a third solar subcell disposed under and adjacent to the second solar subcell and having an emitter and base layers forming a photoelectric junction; wherein at least one of the base and emitter layers of at least a particular solar subcell from among the upper first solar subcell, the second solar subcell, and the third solar subcell has a graded band gap throughout at least a portion of thickness of its active layer adjacent to the photoelectric junction and being in a range of 20 to 300 MeV greater than a band gap in the active layer away from the photoelectric junction.
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公开(公告)号：US20230327045A1
公开(公告)日：2023-10-12
申请号：US18058393
申请日：2022-11-23
发明人： Daniel Derkacs , Zachary Bittner , John Hart , Clayton Cozzan
CPC分类号： H01L31/184 , C30B25/16 , H01L21/02293
摘要： A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below the upper first solar subcell, and having a second band gap smaller than said first band gap; wherein a light scattering layer is provided below the second solar subcell and adjacent to the second solar subcell for redirecting the incoming light that has passed through the second solar subcell back into the second solar subcell to be scattered along longer path lengths in the second solar subcell.
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公开(公告)号：US11721777B1
公开(公告)日：2023-08-08
申请号：US17713812
申请日：2022-04-05
发明人： Daniel Derkacs
IPC分类号： H01L31/0725 , H01L31/18 , H01L31/074
CPC分类号： H01L31/0725 , H01L31/074 , H01L31/1808 , H01L31/1844 , H01L31/1852
摘要： A four junction solar cell and its method of manufacture including an upper first solar subcell composed of a semiconductor material having a first band gap; a second solar subcell adjacent to said first solar subcell and composed of a semiconductor material having a second band gap smaller than the first band gap and being lattice matched with the upper first solar subcell; a third solar subcell adjacent to said second solar subcell and composed of a semiconductor material having a third band gap smaller than the second band gap and being lattice matched with the second solar subcell; a graded interlayer adjacent to the third solar subcell and having a fourth band gap greater than the third band gap; and a bottom solar subcell adjacent to the graded interlayer and being lattice mismatched from the third solar subcell and having a fifth band gap smaller than the fifth band gap, wherein the selection of composition of the subcells and their band gaps maximizes the efficiency of the solar cell at a predetermined temperature value (between 28 and 70 degrees Centigrade) at a predetermined time after the initial deployment in space, (the time of the initial deployment being referred to as “beginning-of-life (BOL)”), such predetermined time being referred to as the “end-of-life (EOL)” time, and such time being at least one year.
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公开(公告)号：US11658255B1
公开(公告)日：2023-05-23
申请号：US17094110
申请日：2020-11-10
IPC分类号： H01L31/0687 , H01L31/18 , H01L31/0304 , H01L31/0224 , H01L31/0693
CPC分类号： H01L31/06875 , H01L31/022425 , H01L31/03046 , H01L31/03048 , H01L31/0693 , H01L31/1844 , H01L31/1848 , H01L31/1892
摘要： A metamorphic multijunction solar cell having a growth semiconductor substrate with a top surface having a doping in the range of 1x1018 to 1x1020 charge carriers/cm3; a window layer for a top (light facing) subcell formed directly on the top surface of the growth substrate; a sequence of layers of semiconductor material forming a solar cell directly on the window layer; a surrogate substrate on the top surface of the sequence of layers of semiconductor material, wherein a portion of the semiconductor substrate is removed so that only the high doped surface portion of the substrate, having a thickness in the range of 0.5 μm to 10 μm, remains.
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公开(公告)号：US20220393055A1
公开(公告)日：2022-12-08
申请号：US17820465
申请日：2022-08-17
发明人： Daniel Derkacs
IPC分类号： H01L31/0725 , H01L31/0735 , H01L31/054 , H01L31/18 , H01L31/02 , H01L31/0304 , H01L31/05 , H01L31/0687 , H01L31/078
摘要： A multijunction solar cell including interconnected first and second discrete semiconductor regions disposed adjacent and parallel to each other including first top solar subcell, second (and possibly third) lattice matched middle solar subcells; a graded interlayer adjacent to the last middle solar subcell; and a bottom solar subcell adjacent to said graded interlayer being lattice mismatched with respect to the last middle solar subcell; wherein an opening is provided from the bottom side of the semiconductor body to one or more of the solar subcells so as to allow a discrete electrical connector to be made extending in free space and to electrically connect contact pads on one or more of the solar subcells.
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公开(公告)号：US11482636B2
公开(公告)日：2022-10-25
申请号：US17467160
申请日：2021-09-03
发明人： John Hart , Daniel Derkacs , Zachary Bittner , Andrew Espenlaub
IPC分类号： H01L31/0735 , H01L31/0693 , H01L31/065 , H01L31/0687 , H01L31/0725
摘要： A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein at least one of the solar subcells has a graded band gap throughout the thickness of at least a portion of the active layer.
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公开(公告)号：US20220320358A1
公开(公告)日：2022-10-06
申请号：US17219994
申请日：2021-04-01
发明人： Daniel Derkacs
IPC分类号： H01L31/0725 , H01L31/054 , H01L31/18 , H01L31/0735
摘要： A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein the ratio of the thickness of the emitter layer to the thickness of the base layer in at least one of the solar subcells is between 5:1 and 1:1.
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公开(公告)号：US20220246779A1
公开(公告)日：2022-08-04
申请号：US17467160
申请日：2021-09-03
IPC分类号： H01L31/0687 , H01L31/0693
摘要： A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein at least one of the solar subcells has a graded band gap throughout the thickness of at least a portion of the active layer.
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公开(公告)号：US20220238740A1
公开(公告)日：2022-07-28
申请号：US17574750
申请日：2022-01-13
IPC分类号： H01L31/0725 , H01L31/18 , H01L31/0735 , H01L31/065
摘要： A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein at least one of the solar subcells has a graded band gap throughout the thickness of at least a portion of the active layer of the one solar subcell.
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