公开(公告)号：EP2190029A1

公开(公告)日：2010-05-26

申请号：EP09726325.5

申请日：2009-01-09

申请人： Mitsubishi Heavy Industries, Ltd.

发明人： SAKAI, Satoshi ,  ASAHARA, Yuji ,  KOBAYASHI, Yasuyuki ,  MORI, Masafumi ,  TSURUGA, Shigenori ,  YAMASHITA, Nobuki

IPC分类号： H01L31/04

CPC分类号： H01L31/1884 ,  H01L31/022425 ,  H01L31/0236 ,  H01L31/02366 ,  H01L31/046 ,  H01L31/0463 ,  H01L31/056 ,  H01L31/076 ,  Y02E10/52 ,  Y02E10/548

摘要： A photovoltaic device that exhibits improved light absorption properties for the electric power generation layer and a process for producing such a photovoltaic device are provided by optimizing the surface shape of the back surface structure. A photovoltaic device 100 comprising a first transparent electrode layer 2, an electric power generation layer 3, a second transparent electrode layer 6 and a back electrode layer 4 provided sequentially on a substrate 1, wherein the back electrode layer 4 comprises a thin film of silver, and the surface of the second transparent electrode layer 6 on the surface of the back electrode layer 4 has a fine uneven texture, for which the surface area magnification ratio relative to the projected surface area is not less than 10% and not more than 32%. Also, a photovoltaic device comprising a first transparent electrode layer 2, an electric power generation layer 3, a second transparent electrode layer 6 and a back electrode layer 4 provided sequentially on a substrate 1, wherein the back electrode layer 4 comprises a thin film of silver, the back electrode layer-side surface of the second transparent electrode layer 6 has a fine uneven texture, and the second transparent electrode layer 6 comprises needle-like crystals.

摘要翻译： 通过优化背面结构的表面形状来提供对发电层表现出改善的光吸收性能的光伏器件和用于制造这种光伏器件的方法。 一种光电器件100，其包括依次设置在基板1上的第一透明电极层2，发电层3，第二透明电极层6和背电极层4，其中背电极层4包括银薄膜 ，并且背电极层4的表面上的第二透明电极层6的表面具有细微的不均匀纹理，对于该表面区域放大率相对于投影表面积不小于10％且不大于32 ％。 另外，在基板1上依次设置有第一透明电极层2，发电层3，第二透明电极层6以及背面电极层4的光电转换装置，背面电极层4由 银的情况下，第二透明电极层6的背面电极层侧表面具有微细的凹凸纹理，第二透明电极层6包含针状晶体。

公开(公告)号：EP2190028A1

公开(公告)日：2010-05-26

申请号：EP09725180.5

申请日：2009-01-07

申请人： Mitsubishi Heavy Industries, Ltd.

发明人： SAKAI, Satoshi ,  ASAHARA, Yuji ,  KOBAYASHI, Yasuyuki ,  MORI, Masafumi ,  TSURUGA, Shigenori ,  YAMASHITA, Nobuki

IPC分类号： H01L31/04

CPC分类号： H01L31/022466 ,  H01L21/02554 ,  H01L21/02573 ,  H01L21/02631 ,  H01L31/022483 ,  H01L31/0236 ,  H01L31/02366 ,  H01L31/0547 ,  H01L31/0687 ,  H01L31/1884 ,  Y02E10/52 ,  Y02E10/544

摘要： The short-circuit current of a photovoltaic device is improved by optimizing the transparent conductive layer. A photovoltaic device 100 comprising a first transparent electrode layer 2, an electric power generation layer 3, a second transparent electrode layer 6 and a back electrode layer 4 on a substrate 1, wherein the film thickness of the second transparent electrode layer 6 is not less than 80 nm and not more than 100 nm, and the light absorptance for the second transparent electrode layer 6 in a wavelength region from not less than 600 nm to not more than 1,000 nm is not more than 1.5%. Also, a photovoltaic device 100 wherein the film thickness of the second transparent electrode layer 6 is not less than 80 nm and not more than 100 nm, and the reflectance for light reflected at the second transparent electrode layer 6 and the back electrode layer 4 is not less than 91% in the wavelength region from not less than 600 nm to not more than 1,000 nm.

摘要翻译： 通过优化透明导电层来改善光伏器件的短路电流。 在基板1上具有第一透明电极层2，发电层3，第二透明电极层6和背面电极层4的光电器件100，其中第二透明电极层6的膜厚度不小于 80nm以上且100nm以下，并且在不小于600nm至不大于1000nm的波长区域中的第二透明电极层6的光吸收率不大于1.5％。 此外，第二透明电极层6的膜厚为80nm以上且100nm以下的光电转换装置100，在第二透明电极层6和背面电极层4反射的光的反射率为 在不小于600nm至不大于1000nm的波长区域中不小于91％。

公开(公告)号：EP2131401A1

公开(公告)日：2009-12-09

申请号：EP08711004.5

申请日：2008-02-08

申请人： Mitsubishi Heavy Industries, Ltd.

发明人： KOBAYASHI, Yasuyuki ,  SAKAI, Satoshi ,  YAMAGUCHI, Kengo ,  ASAHARA, Yuji ,  GOYA, Saneyuki

IPC分类号： H01L31/04

CPC分类号： H01L31/076 ,  H01L31/0463 ,  Y02E10/548

摘要： A photovoltaic device and a process for producing the device that enable a higher level of performance to be achieved at low cost. The photovoltaic device 90 includes at least two laminated photovoltaic layers, and an intermediate layer 93 that is disposed between the two photovoltaic layers and connects the two photovoltaic layers electrically and optically, wherein the surface of the intermediate layer 93 has a plasma-resistant protective layer 93A.

摘要翻译： 光伏器件和用于制造能够以低成本实现更高水平的性能的器件的方法。 光电器件90包括至少两个层叠的光伏层，以及中间层93，其设置在两个光伏层之间并且电和光学地连接两个光伏层，其中中间层93的表面具有耐等离子体保护层 93A。