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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0694879 (2013-01-14) |
| 등록번호 | US-8822810 (2014-09-02) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 387 |
A interconnected arrangement of photovoltaic cells is readily and efficiently achieved by using a unique interconnecting strap. The strap comprises electrically conductive fingers which contact the top light incident surface of a first cell and extend to an interconnect region of the strap. The inte
A interconnected arrangement of photovoltaic cells is readily and efficiently achieved by using a unique interconnecting strap. The strap comprises electrically conductive fingers which contact the top light incident surface of a first cell and extend to an interconnect region of the strap. The interconnect region may include through holes which allow electrical communication between top and bottom surfaces of the interconnect region. In one embodiment, the electrically conductive surface of the fingers is in electrical communication with an electrically conductive surface formed on the opposite side of the strap through the through holes of the interconnect region. The interconnection strap may comprise a laminating film to facilitate manufacture and assembly of the interconnected arrangement.
1. An article comprising a combination of a first photovoltaic cell and an interconnection component wherein, said first photovoltaic cell comprises semiconductor material and has a top surface formed by a window electrode comprising a layer of transparent or translucent first conductive material,sa
1. An article comprising a combination of a first photovoltaic cell and an interconnection component wherein, said first photovoltaic cell comprises semiconductor material and has a top surface formed by a window electrode comprising a layer of transparent or translucent first conductive material,said interconnection component is flexible and further comprises a substrate having a sheetlike form such that said substrate has a thickness small in comparison to its length and width,said substrate comprises one or more polymeric layers and further has a downward facing bottom side and an upward facing top side,said interconnection component is further characterized as having a collection region and an interconnection structure,said collection region of said interconnection component is defined by a portion of said substrate which overlays said first photovoltaic cell such that the downward facing bottom side of said substrate portion faces said top surface of said first photovoltaic cell,said substrate portion defining said collection region is transparent or translucent,said collection region further comprises a second conductive material in the form of a coating, said coating overlaying a base material, said second conductive material not including any of said first conductive material forming said top surface of said first photovoltaic cell,said interconnection structure further comprises additional electrically conductive material extending from said downward facing bottom side to said upward facing top side of said substrate, said additional conductive material being in ohmic electrical communication with said second electrically conductive material,said portion of said substrate associated with said collection region overlays a preponderance of said top surface of said first photovoltaic cell such that a portion of said second electrically conductive material is between said substrate portion associated with said collection region and said top cell surface and is in direct physical contact with said top surface of said first photovoltaic cell formed by said window electrode. 2. The article of claim 1 wherein said window electrode forming said cell top surface comprises a transparent conductive metal oxide. 3. The article of claim 1 wherein portions of said second electrically conductive material and said additional electrically conductive material comprise a monolithic material common to both portions. 4. The article of claim 3 wherein said monolithic material comprises a continuous metal. 5. The article of claim 1 wherein said downward facing bottom side of said substrate portion associated with said collection region comprises an adhesive material. 6. The article of claim 5 wherein a portion of said second conductive material is positioned between said adhesive material and said top cell surface. 7. The article of claim 1 wherein substantially the entirety of the downward facing bottom side of said substrate portion defining said collection region is formed by a continuous layer of adhesive material. 8. The article of claim 7 wherein said adhesive material is a laminating adhesive. 9. The article of claim 1 wherein said article has a length much greater than width whereby said article can be characterized as continuous in length. 10. The article of claim 1 wherein said article is flexible. 11. The article of claim 1 wherein said second conductive material forms multiple substantially parallel line segments. 12. The article of claim 11 wherein two or more of said parallel line segments comprise a common monolithic material. 13. The article of claim 11 wherein said second conductive material comprises a monolithic material layer common to all of said substantially parallel line segments. 14. The article of claim 1 wherein said second conductive material comprises nickel. 15. The article of claim 1 wherein said portion of said second conductive material in contact with said top cell surface is absent polymeric material. 16. The article of claim 1 wherein said second conductive material comprises an electrically conductive polymer. 17. The article of claim 1 wherein, said semiconductor material is in the form of a layer, said layer has terminal edges defining cell boundaries of said cell,said layer of semiconductor material overlays the full expanse of an upward facing surface of a metal based layer, said metal based layer forming a bottom electrode of said photovoltaic cell and,neither of said layer of transparent or translucent first conductive material nor said metal based layer extend outside said cell boundaries. 18. The article of claim 1 further comprising, a second photovoltaic cell, said second cell having an electrically conductive bottom surface portion facing away from a top surface and formed by a metal-based layer, and said second cell being positioned such that said conductive bottom surface portion of said second cell overlays at least a portion of said interconnection structure,and wherein said additional conductive material further extends over a portion of said top substrate side,and wherein said portion of said second conductive material in direct physical contact with said top window electrode of said first photovoltaic cell and at least a portion of said additional electrically conductive material extending over said portion of said top substrate side comprise a monolithic material common to both portions,and wherein said monolithic material is in ohmic contact with said electrically conductive bottom surface of said second cell. 19. The article of claim 1 wherein said electrical communication between said additional conductive material extends through one or more holes in said substrate from the downward facing substrate side to the upward facing substrate side. 20. The article of claim 1 wherein said second electrically conductive material has a melting point below that of tin. 21. The article of claim 11 wherein connecting conductive material extends between two of said parallel line segments, said connecting conductive material extending only between endpoints of said parallel line segments and wherein said connecting conductive material and portions of said first and second parallel line segments comprise a common continuous monolithic metal form. 22. The article of claim 1 wherein no separation exists between successive adjacent polymeric layers of said substrate. 23. The article of claim 1 wherein said additional conductive material further extends over a portion of said top substrate side. 24. The article of claim 5 wherein said adhesive material is adhesively bonded to said top cell surface. 25. The article of claim 1 further comprising a second photovoltaic cell, said first and second photovoltaic cells being interconnected in series using said interconnection component, each of said cells having a top surface and further comprising a layer of semiconductor material, said layers of semiconductor material having terminal edges which encompass said semiconductor layers, said article can achieve said series connection without requiring either overlapping of said series connected photovoltaic cells or substantial separation, in a direction parallel to said top surfaces, of the facing terminal edges of the photovoltaic semiconductor layers of said two series connected photovoltaic cells.
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