公开(公告)号：US20120132275A1

公开(公告)日：2012-05-31

申请号：US13388568

申请日：2009-08-20

申请人： Yoshikatu Nishida ,  Takahiro Fujii

发明人： Yoshikatu Nishida ,  Takahiro Fujii

IPC分类号： H01L31/0236 ,  H01L31/18

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： A dye-sensitized solar cell comprises 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： 染料敏化太阳能电池包括通过使用不锈钢板和通过使用透光导电材料形成的对电极形成的光电极，其中所述光电极包括作为其基材的具有包含Cr的化学组成的不锈钢板 ：至少16质量％，Mo：至少0.3质量％，并且具有形成凹坑状凹陷的粗糙表面，并且其被控制为具有至少0.2μm的算术平均粗糙度Ra，并且包括作为 形成在基材的粗糙化表面上的增感染料载体半导体层，对电极在透光导电材料的表面上形成催化剂薄膜层，具有可见光的反射性，并且半导体层 光电极和对电极的催化剂薄膜层经由电解液彼此面对。

公开(公告)号：US20110180141A1

公开(公告)日：2011-07-28

申请号：US13121686

申请日：2009-10-09

申请人： Yoshikatu Nishida ,  Takahiro Fujii ,  Keiji Izumi ,  Hironori Arakawa ,  Takeshi Yamaguchi

发明人： Yoshikatu Nishida ,  Takahiro Fujii ,  Keiji Izumi ,  Hironori Arakawa ,  Takeshi Yamaguchi

IPC分类号： H01L31/0224

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： 本发明提供一种染料敏化太阳能电池，其具有优异的光电转换效率，并且能够通过使用在用于计数器的染料敏化太阳能电池的电解质中显示出优异的耐腐蚀性的便宜的金属材料来节省所使用的催化剂的量 电极。 [解决方法]一种染料敏化太阳能电池，其包含形成在透光导电材料的表面上的由透光导电材料构成的光电极和负载有敏化染料的半导体层，电解质和 相对电极，其中，所述计数器由包括含有Cr：16质量％以上，Mo：0.3质量％以上的不锈钢的基板和在所述基板的表面上形成的催化剂薄膜层的材料构成 ，并且光电极和催化剂薄膜的半导体层，相对电极的面通过电解质面。 相对电极的不锈钢基板的表面的面积比例为10％以上的比例，优选具有平均开口尺寸D为5μm以下的凹坑状的凹部。