公开(公告)号：EP2555250A1

公开(公告)日：2013-02-06

申请号：EP11765555.5

申请日：2011-03-29

申请人： Noritake Co., Limited ,  Sharp Kabushiki Kaisha

发明人： OCHI, Kosuke ,  YAMAGISHI, Masao ,  TANAKA, Satoshi ,  OHISHI, Yoshihiro

IPC分类号： H01L31/04 ,  H01B1/22 ,  H01B13/00 ,  H01L21/28 ,  H01L21/288

CPC分类号： H01L31/022425 ,  B82Y30/00 ,  H01B1/22 ,  H01L31/068 ,  H01L31/18 ,  Y02E10/547 ,  Y10S977/773

摘要： A paste composition for forming a back surface electrode of a solar cell 10 provided by the present invention contains, as solid matter, an aluminum powder, a glass powder, and a composite powder composed of a granular composite material of titanium oxide and an organic or inorganic compound containing silicon. When the total amount of the composite powder, the aluminum powder, and the glass powder is 100% by mass, the composite powder is contained in a ratio of 0.45% by mass or more and 1% by mass or less.

摘要翻译： 本发明提供的用于形成太阳能电池10的背面电极的糊料组合物含有铝粉末，玻璃粉末和由钛氧化物的颗粒状复合材料和有机物组成的复合粉末作为固体， 含硅的无机化合物。 当复合粉末，铝粉末和玻璃粉末的总量为100质量％时，以0.45质量％以上1质量％以下的比例含有复合粉末。