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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0815163 (2013-02-04) |
| 등록번호 | US-9006563 (2015-04-14) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 391 |
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 two photovoltaic cells and an interconnection component wherein, each of said photovoltaic cells has a downward facing conductive bottom surface portion and an upward facing top light incident surface,said interconnection component comprises a substrate having a sheetlike fo
1. An article comprising two photovoltaic cells and an interconnection component wherein, each of said photovoltaic cells has a downward facing conductive bottom surface portion and an upward facing top light incident surface,said interconnection component comprises a substrate having a sheetlike form, whereby said substrate has length, width and thickness and wherein said substrate length and width are much greater than said substrate thickness,said substrate length and width define perimeter boundaries of said substrate,said substrate comprises one or more polymeric layers and further has an outer, upward facing top side and an outer, downward facing bottom side,a first portion of said substrate comprises a first of said one or more polymeric layers, and wherein said first of said one or more polymeric layers is transparent or translucent,said first portion of said substrate overlays a preponderance of a first of said photovoltaic cells such that the outer, downward facing bottom side of said first portion of substrate faces said upward facing top light incident surface of said first photovoltaic cell,a second portion of said substrate is positioned beneath a second of said photovoltaic cells such that the outer, upward facing top side of said second portion of said substrate faces the downward facing conductive bottom surface portion of said second photovoltaic cell,said interconnection component further comprises a first electrically conductive material extending from said outer, downward facing bottom side of said substrate to said outer, upward facing top side of said substrate,no part of said first electrically conductive material is positioned outside said perimeter boundaries of said substrate,said interconnection component further comprises additional electrically conductive material positioned on and extending over at least a part of said outer, upward facing top side of said second portion of said substrate, such that said additional conductive material is between said downward facing conductive bottom surface portion of said second photovoltaic cell and said outer, upward facing top side of said second portion of said substrate, and,no portion of said first of said one or more polymeric layers overlays said second photovoltaic cell. 2. The article of claim 1 wherein said downward facing conductive bottom surface portion of said second photovoltaic cell is formed by a metal based foil. 3. The article of claim 1 wherein said downward facing bottom side of said first portion of said substrate comprises adhesive material. 4. The article of claim 1 wherein said upward facing top light incident surface of said first photovoltaic cell is formed by a window electrode comprising an unbroken layer of light transmitting conductive material. 5. The article of claim 1 wherein said first electrically conductive material and said additional electrically conductive material comprise a monolithic material common to both said first electrically conductive material and said additional electrically conductive material. 6. The article of claim 5 wherein said monolithic material comprises a coating over a base form. 7. The article of claim 6 wherein said coating comprises nickel and is absent polymeric material. 8. The article of claim 2 wherein photovoltaic semiconductor material overlays substantially all of said second photovoltaic cell metal based foil. 9. An article comprising two series connected photovoltaic cells and an interconnection component wherein, each of said series connected photovoltaic cells has a downward facing conductive bottom surface portion and an upward facing top light incident surface,said photovoltaic cells further comprise a photovoltaic semiconductor layer having terminal edges which encompass said photovoltaic semiconductor layer,said interconnection component comprises a substrate having a sheetlike form, whereby said substrate has length, width and thickness and wherein said substrate length and width are much greater than said substrate thickness,said substrate length and width define perimeter boundaries encompassing an area of said substrate,said substrate comprises one or more polymeric layers and further has an outer, upward facing top side and an outer, downward facing bottom side,a first portion of said substrate comprises a first of said one or more polymeric layers, and wherein said first of said one or more polymeric layers is transparent or translucent,said first portion of said substrate overlays a preponderance of a first of said photovoltaic cells such that the outer, downward facing bottom side of said first portion of substrate faces said upward facing top light incident surface of said first photovoltaic cell,said interconnection component further comprises a first electrically conductive material extending from said outer downward facing bottom side of said substrate to said outer, upward facing top side of said substrate,no part of said first electrically conductive material is positioned outside said perimeter boundaries of said substrate,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 upward facing top light incident surfaces, of the facing terminal edges of the photovoltaic semiconductor layers of said two series connected photovoltaic cells. 10. The article of claim 9 wherein said outer downward facing bottom side of said first substrate portion is formed by a layer of polymeric adhesive. 11. The article of claim 9 wherein said first portion of said substrate comprises a layer of structural polymer selected to supply support to said substrate, and said structural polymer layer does not overlay a second of said two photovoltaic cells. 12. The article of claim 9 wherein a window electrode comprising an unbroken layer of light transmitting conductive metal oxide forms said upward facing top light incident surface of said first photovoltaic cell. 13. The article of claim 9 wherein additional electrically conductive material is positioned on and extends over at least part of said outer, upward facing top side of said substrate, and said additional electrically conductive material and said first electrically conductive material comprise a monolithic material common to both said additional electrically conductive material and said first electrically conductive material. 14. The article of claim 13 wherein said monolithic material comprises a coating over a base form. 15. The article of claim 14 wherein said coating comprises nickel and is absent polymeric material. 16. The article of claim 9 wherein the downward facing bottom surface of said first photovoltaic cell is formed by a metal based layer, said metal based layer having an upward facing top surface and semiconductor material overlays substantially all of said upward facing top surface of said metal based layer. 17. An article comprising two photovoltaic cells and an interconnection component wherein, each of said photovoltaic cells has a downward facing conductive bottom surface, an upward facing top light incident surface formed by a window electrode comprising an unbroken layer of light transmitting first conductive material, and a layer of photovoltaic semiconductor material underlying all of said layer of said light transmitting first conductive material,said interconnection component comprises a substrate having a sheetlike form, whereby said substrate has length, width, and thickness and wherein said substrate length and width are much greater than said substrate thickness,a first portion of said substrate comprises multiple polymeric layers,a first of said multiple polymeric layers comprises polymeric adhesive and forms an outer downward facing bottom side of said first portion of said substrate,a second of said multiple polymeric layers overlays at least part of said first polymeric layer,said first portion of said substrate overlays a preponderance of a first of said photovoltaic cells such that said downward facing bottom side of said first portion directly contacts and is adhesively bonded to said upward facing top light incident surface formed by the window electrode of said first cell,a second portion of said substrate is positioned beneath the downward facing bottom surface of said second photovoltaic cell,said second of said multiple polymeric layers does not overlay the second photovoltaic cell. 18. The article of claim 17 wherein said layer of light transmitting first conductive material comprises a conductive metal oxide. 19. The article of claim 17 wherein said downward facing bottom surface of each of said photovoltaic cells is formed by a metal based layer, said metal based layer having an upward facing top surface and said photovoltaic semiconductor material overlays substantially all of said upward facing top surface of said metal based layer. 20. The article of claim 17 wherein, said downward facing bottom surface of said second cell is formed by a metal based layer,said second portion of said substrate has an upward facing top side and a second electrically conductive material extends over at least part of the upward facing top side of said second portion and,said second electrically conductive material is distinct from said metal based layer forming the downward facing bottom surface of said second photovoltaic cell. 21. The article of claim 20 wherein additional electrically conductive material extends from said downward facing bottom side of said first portion to said second conductive material on said top side of said second portion. 22. The article of claim 21 wherein a common monolithic material forms portions of both said second electrically conductive material and said additional electrically conductive material. 23. The article of claim 21 wherein said substrate comprises multiple holes extending through said substrate from a downward facing bottom substrate side to an upward facing top substrate side, and wherein said additional electrically conductive material extends through said multiple holes from said downward facing bottom substrate side to said upward facing top substrate side. 24. The article of claim 23 wherein said additional electrically conductive material extending through said multiple holes comprises a common monolithic material. 25. The article of claim 9 wherein said downward facing bottom surface portion of each of said series connected photovoltaic cells is formed by a metal based foil. 26. The article of claim 1 wherein said first of said one or more polymeric layers associated with said first portion of said substrate comprises a polymer selected to assist in support or processing of said substrate. 27. The article of claim 17 wherein said second of said multiple polymeric layers comprises a polymer selected to assist in support or processing of said substrate.
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