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公开(公告)号：EP2469641A1
公开(公告)日：2012-06-27
申请号：EP09848496.7
申请日：2009-08-20
发明人： NISHIDA Yoshikatu , FUJII Takahiro
CPC分类号： H01G9/2095 , C21D6/002 , C21D6/004 , C21D8/0436 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/58 , C23F1/28 , C25F3/06 , H01G9/2031 , H01G9/2059 , H01M14/005 , Y02E10/542 , Y02P70/521
摘要： [Problem] Providing an inexpensive dye-sensitized solar cell having an enhanced photoelectric conversion efficiency.
[Means for Resolution] A dye-sensitized solar cell comprising a photoelectrode formed by using a stainless steel plate and a counter electrode formed by using a light-transmissive electroconductive material, wherein the photoelectrode comprises, as the substrate thereof, a stainless steel plate having a chemical composition containing Cr: at least 16% by mass and Mo: at least 0.3% by mass and having a roughened surface in which pit-like indentations are formed and which is controlled to have an arithmetic average roughness Ra of at least 0.2 µm, and comprises, as formed on the roughened surface of the substrate, a sensitizing dye-carrying semiconductor layer, the counter electrode has a catalyst thin-film layer formed on the surface of the light-transmissive electroconductive material and has visible light tansmissiveness, and the semiconductor layer of the photoelectrode and the catalyst thin-film layer of the counter electrode face each other via an electrolytic solution.摘要翻译： 本发明提供一种光电转换效率提高的廉价的染料敏化太阳能电池。 [解决手段]一种染料敏化太阳能电池，其特征在于，具有使用不锈钢板形成的光电极和使用透光性导电材料形成的对置电极，其中，所述光电极作为基板具有不锈钢板， 含有Cr：16质量％以上，Mo：0.3质量％以上，具有形成有凹坑状凹部的粗糙面，且算术平均粗糙度Ra为0.2μm以上的化学组成 并且当在基板的粗糙化表面上形成敏化染料载体半导体层时，对电极具有在透光导电材料的表面上形成并具有可见光透射性的催化剂薄膜层，以及 光电极的半导体层和对电极的催化剂薄膜层经由电解液而相对。
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公开(公告)号：EP2469641B1
公开(公告)日：2014-07-23
申请号：EP09848496.7
申请日：2009-08-20
发明人： NISHIDA Yoshikatu , FUJII Takahiro
CPC分类号： H01G9/2095 , C21D6/002 , C21D6/004 , C21D8/0436 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/58 , C23F1/28 , C25F3/06 , H01G9/2031 , H01G9/2059 , H01M14/005 , Y02E10/542 , Y02P70/521
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公开(公告)号：EP2337144A1
公开(公告)日：2011-06-22
申请号：EP09819265.1
申请日：2009-10-09
CPC分类号： H01G9/2022 , H01G9/2031 , H01G9/2059 , Y02E10/542
摘要： [Problem]
To provide a dye-sensitized solar cell having excellent photoelectric conversion efficiency and capable of saving the amount of a catalyst used, by using an inexpensive metal material showing excellent corrosion resistance in an electrolyte of a dye-sensitized solar cell for a counter electrode.
[Means for Resolution]
A dye-sensitized solar cell comprising a photoelectrode comprising a light-transmitting and conductive material and a semiconductor layer having a sensitizing dye supported thereon, formed on the surface of the light-transmitting and conductive material, an electrolyte and a counter electrode, wherein the counter is constituted of a material comprising a substrate comprising stainless steel containing Cr: 16% by mass or more, and Mo: 0.3% by mass or more, and a catalyst thin film layer formed on the surface of the substrate, and the semiconductor layer of the photoelectrode and the catalyst thin film layer of the counter electrode face through the electrolyte. The stainless steel substrate of the counter electrode preferably has pit-shaped concave portions having an average opening size D of 5 µm or less in a proportion of an area ratio of 10% or more on the surface thereof.摘要翻译： 本发明的课题在于，提供一种染料敏化太阳能电池的电解液中耐腐蚀性优异的廉价的金属材料，其具有优异的光电转换效率并且能够节省催化剂的使用量， 电极。 [解决手段]一种染料敏化太阳能电池，包括：光电极，其包括透光导电材料和在其上承载有敏化染料的半导体层，所述半导体层形成在所述透光导电材料的表面上，电解质和 其特征在于，所述台板由包含Cr：16质量％以上，Mo：0.3质量％以上的不锈钢的基板和形成于所述基板表面的催化剂薄膜层构成的基板的材料构成 并且光电极的半导体层和对电极的催化剂薄膜层通过电解质面对。 对电极的不锈钢基板优选具有平均开口尺寸D为5μm以下的坑状凹部，其表面上的面积比例为10％以上。
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