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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0757230 (2015-12-07) |
등록번호 | US-9865758 (2018-01-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 408 |
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.
1. An article comprising a first photovoltaic cell and an interconnection component wherein, said first photovoltaic cell has an upward facing surface having a first electrical polarity,said first photovoltaic cell has a conductive, downward facing bottom cell surface formed by a first electrically
1. An article comprising a first photovoltaic cell and an interconnection component wherein, said first photovoltaic cell has an upward facing surface having a first electrical polarity,said first photovoltaic cell has a conductive, downward facing bottom cell surface formed by a first electrically conductive material structure and having polarity opposite said first polarity,said interconnection component comprises a first adhesive layer,said first adhesive layer has an outer upward facing top side,a first portion of said first adhesive layer outer upward facing top side is positioned beneath said first photovoltaic cell,said interconnection component further comprises a second electrically conductive material structure having an exterior surface,a first portion of said second electrically conductive material structure is positioned between said first portion of said first adhesive layer outer upward facing top side and said conductive, downward facing bottom surface of said first photovoltaic cell,said first portion of said second electrically conductive material structure exterior surface is in direct physical and electrical contact with said conductive, downward facing bottom surface of said first photovoltaic cell,some regions of said outer upward facing top side of said first portion of said first adhesive layer remain uncovered with said first portion of said second electrically conductive material structure and are in direct physical contact and adhesively bonded to said conductive, downward facing bottom surface of said first photovoltaic cell and,said adhesive bonding of said regions of said outer upward facing top side of said first portion of said first adhesive layer to said conductive, downward facing bottom surface of said first photovoltaic cell holds said first portion of said second electrically conductive material structure in direct physical and electrical contact with said conductive, downward facing bottom surface of said first photovoltaic cell to establish a laminated contact whereby said first portion of said second electrically conductive material structure exterior surface is held in said direct physical and electrical contact with said conductive, downward facing bottom surface of said first photovoltaic cell without requiring bonding by means of conductive polymer, solder or weld. 2. The article of claim 1 wherein said first adhesive layer comprises an electrically conductive adhesive. 3. The article of claim 1 further comprising a second photovoltaic cell positioned adjacent said first photovoltaic cell and wherein said first adhesive layer extends beneath said second photovoltaic cell. 4. The article of claim 1 wherein said first portion of said second electrically conductive material structure exterior surface held in direct physical and electrical contact to said conductive, downward facing bottom surface of said first photovoltaic cell is formed by metal absent polymer. 5. The article of claim 4 wherein said metal comprises nickel. 6. The article of claim 1 wherein said second electrically conductive material structure is a conductive mesh, wherein said mesh has length and width greater than thickness and comprises a monolithic conductive material surrounding multiple holes extending through the thickness. 7. The article of claim 1 wherein, said first photovoltaic cell is flexible and comprises thin film semiconductor materialsaid first electrically conductive material structure comprises a flexible bulk metal foil,said thin film semiconductor material is supported on said first electrically conductive material structure,said first adhesive layer comprises material having properties and structure allowing said adhesive bonding of said regions of said outer upward facing top side of said first portion of said first adhesive layer to said conductive, downward facing bottom surface of said first photovoltaic cell to be achieved with roll lamination. 8. The article of claim 1 comprising a second photovoltaic cell positioned adjacent said first photovoltaic cell and wherein, said second photovoltaic cell has an upward facing top light incident surface,additional adhesive in the form of a layer having an outer downward facing bottom side overlays a portion of said upward facing top light incident surface of said second photovoltaic cell,additional electrically conductive material structure overlays said upward facing top light incident surface of said second photovoltaic cell,a portion of said additional electrically conductive material structure forms a conductive current collection pattern extending over a preponderance of said top light incident surface of said second photovoltaic cell to collect photovoltaically generated current from said preponderance of light incident surface, and said conductive pattern is positioned between said layer of additional adhesive and said upward facing top light incident surface of said second photovoltaic cell,regions of said outer downward facing bottom side of said layer of additional adhesive are adhesively bonded to said top light incident surface of said second photovoltaic cell,whereby said adhesive bonding of said regions of said outer downward facing bottom side of said layer of additional adhesive to said top light incident surface of said second photovoltaic cell holds a portion of said conductive current collection pattern in direct physical and electrical contact with said top light incident surface of said second photovoltaic cell to establish a laminated contact whereby said portion of said conductive current collection pattern is held in direct physical and electrical contact with said top light incident surface of said second photovoltaic cell andsaid additional adhesive layer does not extend seamlessly to overlay said first cell. 9. The article of claim 8 wherein said layer of additional adhesive comprises an ionomer. 10. The article of claim 8 wherein said first adhesive layer does not extend seamlessly beneath said second photovoltaic cell. 11. The article of claim 8 wherein a layer of structural polymer underlies said first portion of said first adhesive layer but said layer of structural polymer does not extend seamlessly beneath said second adjacent cell. 12. The article of claim 8 wherein a continuous monolithic material is common to both said first electrically conductive material structure and said current collection pattern and wherein said monolithic material extends throughout the entire expanse of said current collection pattern. 13. The article of claim 8 wherein a portion of said conductive current collection pattern has an exterior surface in said direct physical and electrical contact with said top light incident surface of said second photovoltaic cell, and wherein said exterior surface of said portion of said conductive current collection pattern is formed by a metal absent polymer. 14. The article of claim 13 wherein said metal absent polymer comprises nickel. 15. The article of claim 8 wherein a portion of said conductive current collection pattern has an exterior surface in said direct physical and electrical contact with said top light incident surface of said second photovoltaic cell, and wherein said exterior surface of said portion of said conductive current collection pattern is substantially flat. 16. The article of claim 8 wherein at least a portion of said layer of additional adhesive is overlayed by a structural polymeric layer and no portion of said structural polymeric layer overlays said first photovoltaic cell. 17. The article of claim 8 wherein said second photovoltaic cell has a terminal edge, and wherein insulating material is disposed adjacent said terminal edge on said second photovoltaic cell upward facing top light incident surface between said additional electrically conductive material structure and said second photovoltaic cell at said terminal edge, and wherein said insulating material does not extend as a continuum to overlay said first cell. 18. The article of claim 8 wherein said conductive current collection pattern is a conductive mesh, wherein said mesh has length and width greater than thickness, and said mesh comprises a monolithic conductive material surrounding multiple holes extending through the thickness. 19. The article of claim 8 wherein said first adhesive layer and said layer of additional adhesive are component parts of a sheetlike substrate having surface dimensions far greater than a thickness dimension, and wherein conductive material extends through said substrate from said outer upward facing top side to said outer downward facing bottom side to electrically connect said second and additional electrically conductive material structures. 20. The article of claim 1 wherein said first electrically conductive material structure comprises a self supporting metal based foil.
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