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    • 6. 发明公开
    • MOISTURE RESISTANT PHOTOVOLTAIC DEVICES WITH ELASTOMERIC, POLYSILOXANE PROTECTION LAYER
    • 光伏模块微生物弹性体多晶硅氧烷
    • EP2522034A1
    • 2012-11-14
    • EP10799240.6
    • 2010-12-21
    • Dow Global Technologies LLC
    • POPA, Paul J.BOVEN, Michelle L.LYSENKO, ZenonMILLS, Michael E.LOPEZ, Leonardo C.
    • H01L31/0203H01L31/048H01L51/44
    • H01L31/0749H01L31/048Y02E10/541
    • Improved protection systems for CIGS-based microelectronic devices of the type incorporating electric conductor(s) such as an electronic collection grid. In one aspect, the present invention relates to a photovoltaic device having a light incident surface and a backside surface. The device includes a chalcogenide-containing photovoltaic layer comprising at least one of copper, indium and/or gallium. A transparent conductive layer is interposed between the photovoltaic layer and the light incident surface, wherein the transparent conductive layer is electrically coupled to the photovoltaic layer. An electronic collection grid is electrically coupled to the transparent conductive layer and overlying at least a portion of the transparent conductive layer. An elastomeric structure having a light incident surface, said structure overlying at least portions of the electronic collection grid and the transparent conductive layer in a manner such that the light incident surface of the elastomeric structure is spaced apart from a major portion of the conductor, and wherein the elastomeric structure comprises an elastomeric siloxane polymer having a WVTR of at least 0.1 g/m2-day. An optional protective barrier overlies the elastomeric structure. The protection systems of the invention incorporate elastomers with water vapor transmission rates that are atypically high in the context of CIGS-based devices.
    • 改进了用于包含电导体(例如电子采集电网)的CIGS微电子器件的保护系统。 一方面,本发明涉及具有光入射面和背面的光电器件。 该装置包括含硫族化物的光伏层,其包含铜,铟和/或镓中的至少一种。 透明导电层介于光电转换层和光入射表面之间,其中透明导电层电耦合到光伏层。 电子收集栅极电耦合到透明导电层并且覆盖至少一部分透明导电层。 具有光入射表面的弹性体结构,所述结构以使得弹性体结构的光入射表面与导体的主要部分间隔开的方式覆盖电子收集栅格和透明导电层的至少一部分,以及 其中所述弹性体结构包含具有至少0.1g / m 2·天的WVTR的弹性硅氧烷聚合物。 可选的保护屏障覆盖弹性体结构。 本发明的保护系统结合具有在基于CIGS的设备的背景下非常高的水蒸汽透过率的弹性体。
    • 8. 发明公开
    • PHOTOVOLTAIC CELL INTERCONNECT
    • VERBINDUNGSSYSTEMFÜRPHOTOVOLTAISCHE ZELLEN
    • EP2950352A2
    • 2015-12-02
    • EP15169736.4
    • 2012-09-13
    • Dow Global Technologies LLC
    • CLARK, Lindsey A.DEGROOT, Marty W.FEIST, Rebekah K.LARSEN, Travis H.MILLS, Michael E.NAMJOSHI, Abhijit A.WILSON, Mark B.
    • H01L31/05
    • H01L31/0508H01L31/0504H01L31/0512Y02E10/50
    • The invention is a photovoltaic article comprising a first photovoltaic cell having a photoelectrically active region which is located between a topside electrode and a backside electrode, at least one first interconnect element in contact with the frontside electrode at a front surface of the cell and the interconnect element is adhered to the topside electrode of the cell, and at least one second interconnect element adhered to the backside electrode. An electronically conductive adhesive having a low Tg is used to adhere the interconnect element to the frontside electrode. The ECA used to adhere the second interconnect element to the backside electrode comprises a metal chelation compound characterized by the presence of a heterocyclic component comprising one of O, N, or S in a ring configuration and at least one additional heteroatom selected from O, N, or S.
    • 本发明是一种光伏制品,其包括第一光伏电池,该第一光伏电池具有位于顶侧电极和背面电极之间的光电活性区域,至少一个第一互连元件与电池前表面的前侧电极接触, 元件粘附到电池的顶侧电极,并且至少一个第二互连元件粘附到背面电极。 使用具有低Tg的电子导电粘合剂将互连元件粘附到前侧电极。 用于将第二互连元件粘附到背面电极的ECA包括金属螯合化合物,其特征在于存在环形构型中的O,N或S之一的杂环成分和至少一个选自O,N ,或S.
    • 9. 发明公开
    • MOISTURE RESISTANT PHOTOVOLTAIC DEVICES WITH EXPOSED CONDUCTIVE GRID
    • FEUCHTIGKEITSBESTÄNDIGEPHOTOVOLTAIKVORRICHTUNGEN MIT EINEMBERÜHRBARENLEITFÄHIGENGITTER
    • EP2524398A2
    • 2012-11-21
    • EP11701904.2
    • 2011-01-12
    • Dow Global Technologies LLC
    • ELOWE, Paul R.DEGROOT, Marty W.MILLS, Michael E.STEMPKI, Matt A.
    • H01L31/18
    • H01L31/048H01L31/02167H01L31/022425H01L31/022466H01L31/0322H01L31/0749Y02E10/541
    • The present invention provides strategies for improving the adhesion among two or more of transparent conducting oxides, electrically conductive grid materials, and dielectric barrier layers. As a consequence, these strategies are particularly useful in the fabrication of heterojunction photovoltaic devices such as chalcogenide-based solar cells. When the barrier is formed and then the grid is applied to vias in the barrier, the structure has improved moisture barrier resistance as compared to where the barrier is formed over or around the grid. Adhesion is improved to such a degree that grid materials and dielectric barrier materials can cooperate to provide a hermetic seal over devices to protect against damage induced by environmental conditions, including damage due to water intrusion. This allows the collection grids to be at least partially exposed above the dielectric barrier, making it easy to make electronic connection to the devices.
    • 本发明提供改善两种或多种透明导电氧化物,导电栅格材料和电介质阻挡层之间的粘合性的策略。 因此,这些策略在异质结光伏器件如硫族化物基太阳能电池的制造中特别有用。 当形成屏障,然后将栅格施加到屏障中的通孔时,与在栅格上方或栅格周围形成屏障的情况相比,该结构具有改善的防潮性。 附着力提高到这样的程度,网格材料和介电阻挡材料可以配合以提供装置上的气密密封,以防止由环境条件引起的损坏,包括由于水侵入而造成的损坏。 这允许收集栅极至少部分地暴露在电介质阻挡层之上,使得容易进行到器件的电子连接。