Collector grid and interconnect structures for photovoltaic arrays and modules
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02N-006/00
H01L-031/042
H01L-031/00
출원번호
US-0803490
(2010-06-29)
등록번호
US-8138413
(2012-03-20)
발명자
/ 주소
Luch, Daniel
Luch, Daniel Randolph
출원인 / 주소
Luch, Daniel
인용정보
피인용 횟수 :
36인용 특허 :
231
초록▼
An interconnected arrangement of photovoltaic cells is achieved using laminating current collector electrodes. The electrodes comprise a pattern of conductive material extending over a first surface of sheetlike substrate material. The first surface comprises material having adhesive affinity for a
An interconnected arrangement of photovoltaic cells is achieved using laminating current collector electrodes. The electrodes comprise a pattern of conductive material extending over a first surface of sheetlike substrate material. The first surface comprises material having adhesive affinity for a selected conductive surface. Application of the electrode to the selected conductive surface brings the first surface of the sheetlike substrate into adhesive contact with the conductive surface and simultaneously brings the conductive surface into firm contact with the conductive material extending over first surface of the sheetlike substrate. Use of the laminating current collector electrodes allows facile and continuous production of expansive area interconnected photovoltaic arrays.
대표청구항▼
1. An article comprising in combination, a first photovoltaic cell and an interconnection component wherein, said photovoltaic cell has an upward facing light incident top surface,said interconnection component comprises a sheetlike substrate having a top upward facing side and a bottom downward fac
1. An article comprising in combination, a first photovoltaic cell and an interconnection component wherein, said photovoltaic cell has an upward facing light incident top surface,said interconnection component comprises a sheetlike substrate having a top upward facing side and a bottom downward facing side,a first portion of said sheetlike substrate is transparent or translucent and has said downward facing side formed by a polymeric adhesive,a first pattern of electrically conductive material is positioned on said downward facing side of said first portion,said combination is further characterized as having said downward facing side of said first portion and said light incident top cell surface facing each other such that a portion of said first pattern is in direct physical contact with said light incident top cell surface,said first pattern extends over a preponderance of said light incident top cell surface,at least a portion of said upward facing side of said sheetlike substrate is formed by additional polymeric adhesive,and wherein, said interconnection component further comprises additional electrically conductive material extending from said downward facing side to said upward facing side of said sheetlike substrate, and further extending over said additional polymeric adhesive, said additional electrically conductive material being in ohmic electrical communication with said first pattern. 2. The article of claim 1 wherein said article is flexible at any point on its surface. 3. The article of claim 1 wherein said cell comprises thin film semiconductor. 4. The article of claim 1 wherein said cell is flexible. 5. The article of claim 1 wherein said cell comprises a self supporting metal based foil. 6. The article of claim 1 wherein said light incident top cell surface is formed by a transparent conductive material. 7. The article of claim 1 wherein said sheetlike substrate comprises an insulating structural or barrier polymeric layer. 8. The article of claim 7 wherein said polymeric layer comprises material from the group polyethylene, polypropylene, biaxially oriented polypropylene (BOPP), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polycarbonate, polyacrylic or fluorinated polymers. 9. The article of claim 1 wherein said polymeric adhesive forming said downward facing side of said first portion comprises material from the group polyolefins, ionomers, polyacrylics, polyacetates, polyurethanes, and silicones. 10. The article of claim 1 wherein said polymeric adhesive forming said downward facing side of said first portion is a thermoplastic absent curatives. 11. The article of claim 1 wherein said polymeric adhesive forming said downward facing side of said first portion is a cured, non-flowing material. 12. The article of claim 1 wherein said substrate is adhesively bonded to said light incident top cell surface. 13. The article of claim 1 wherein the polymeric adhesive forming said downward facing side of said first portion has the same composition as the polymeric adhesive forming at least a portion of said upward facing side. 14. The article of claim 1 wherein said pattern comprises multiple parallel lines of conductive material and wherein portions of two or more of said lines comprise a common continuous monolithic metal form. 15. The article of claim 1 wherein portions of said first pattern are defined by printed material. 16. The article of claim 1 wherein the entirety of said first pattern of electrically conductive material comprises multiple layers. 17. The article of claim 16 wherein one of said layers comprises nickel. 18. The article of claim 1 wherein portions of said electrically conductive material in contact with said light incident top cell surface comprise an electrically conductive polymer. 19. The article of claim 1 wherein said first pattern of electrically conductive material has a portion of its surface comprising nickel and is absent polymer. 20. The article of claim 1 wherein portions of said electrically conductive material associated with said first pattern and said additional electrically conductive material comprise a monolithic material common to both portions. 21. The article of claim 20 wherein said common monolithic material comprises a continuous metal. 22. The article of claim 1 wherein said substrate comprises holes extending from the downward facing side to the upward facing side, and a portion of said additional conductive material extends through said holes. 23. In combination, two electrically interconnected photovoltaic cells and an interconnecting component wherein, a first photovoltaic cell has an upward facing light incident top cell surface,said interconnection component comprises a sheetlike substrate having a top upward facing side and a bottom downward facing side,a first portion of said sheetlike substrate is transparent or translucent and has said downward facing side formed by a polymeric adhesive,a first pattern of electrically conductive material is positioned on said downward facing side of said first portion,said combination is further characterized as having said downward facing side of said first portion and said light incident top cell surface facing each other such that a portion of said first pattern is in direct physical contact with said light incident top cell surface,at least a portion of said upward facing side of said sheetlike substrate is formed by additional polymeric adhesive,said interconnection component further comprises additional electrically conductive material extending from said downward facing side to said upward facing side of said sheetlike substrate, and further extending over said additional polymeric adhesive, said additional electrically conductive material being in ohmic electrical communication with said first pattern,said combination further comprising a second cell having an electrically conductive bottom surface portion, and said second cell being positioned such that said conductive bottom surface portion overlays and faces said upward facing side of said sheetlike substrate such that at least a portion of said additional electrically conductive material extending over said additional polymeric adhesive is in ohmic electrical communication with said conductive bottom surface portion. 24. The combination of claim 23 wherein said first pattern extends over a preponderance of said light incident top cell surface. 25. The combination of claim 23 wherein said additional polymeric adhesive is adhesively bonded to said conductive bottom surface portion. 26. The combination of claim 23 wherein said additional conductive material is in direct physical contact with said electrically conductive bottom surface portion. 27. The combination of claim 23 wherein said additional electrically conductive material is ohmically electrically joined to said conductive bottom surface portion without the use of solder or conductive adhesives. 28. The article of claim 1 wherein said additional polymeric adhesive forming a portion of said upward facing side comprises material from the group polyolefins, ionomers, polyacrylics, polyacetates, polyurethanes, and silicones. 29. The article of claim 1 wherein said additional polymeric adhesive forming a portion of said upward facing side is a thermoplastic absent curatives. 30. The article of claim 1 wherein said additional polymeric adhesive forming a portion of said upward facing side is a cured, non-flowing material.
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