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1. 发明公开

EP2492247A1 GLASS SHEET FOR CU-IN-GA-SE SOLAR CELLS, AND SOLAR CELLS USING SAME 审中-公开
标题翻译：天然气公司的天然气FÜRCU-IN-GA-SOLARZELLEN UND SOLARZELLEN DAMIT
公开(公告)号：EP2492247A1
公开(公告)日：2012-08-29
申请号：EP10824995.4
申请日：2010-10-20
申请人： Asahi Glass Company, Limited
发明人： NISHIZAWA Manabu , KUROKI Yuichi , NAGASHIMA Tatsuo , KAWAMOTO Yasushi , NIKI Shigeru , ISHIZUKA Shogo
IPC分类号： C03C3/085 , C03C3/087 , C03C3/091 , C03C3/093 , H01L31/04
CPC分类号： C03C3/093 , C03C3/085 , C03C3/087 , H01L31/0322 , H01L31/03923 , H01L31/0749 , Y02E10/541
摘要： Provided are a glass sheet for a CIGS solar cell which satisfies both of high power generation efficiency and high glass transition temperature, and a CIGS solar cell having high power generation efficiency. A glass sheet for a Cu-In-Ga-Se solar cell containing, in terms of mol % on the basis of the following oxides, from 60 to 75 % of SiO 2 , from 3 to 10 % of Al 2 O 3 , from 0 to 3 % of B 2 O 3 , from 5 to 18 % of MgO, from 0 to 5 % of CaO, from 4 to 18.5 % of Na 2 O, from 0 to 17 % of K 2 O, and 0 % or more and less than 10 % of SrO + BaO + ZrO 2 , wherein K 2 O/(Na 2 O + K 2 O) is from 0 to 0.5, and the glass sheet has a glass transition temperature (Tg) of more than 550°C; and a solar cell containing a glass substrate including a photoelectric conversion layer of Cu-In-Ga-Se and a cover glass disposed on the glass substrate, wherein one or both of the glass substrate and the cover glass are the glass sheet for a Cu-In-Ga-Se solar cell.
摘要翻译：本发明提供一种能够满足高发电效率和高玻璃化转变温度的CIGS太阳能电池用玻璃板和具有高发电效率的CIGS太阳能电池。一种用于Cu-In-Ga-Se太阳能电池的玻璃板，其以以下氧化物的摩尔％计含有60至75％的SiO 2，3至10％的Al 2 O 3， 0〜3％的B 2 O 3，5〜18％的MgO，0〜5％的CaO，4〜18.5％的Na 2 O，0〜17％的K 2 O，0％或多于10％的SrO + BaO + ZrO 2，其中K 2 O /（Na 2 O + K 2 O）为0至0.5，玻璃化转变温度（Tg）大于550 C; 以及含有包含Cu-In-Ga-Se的光电转换层的玻璃基板和设置在玻璃基板上的玻璃基板的玻璃基板的太阳能电池，其中玻璃基板和盖玻璃的一个或两个为Cu -Ga-Se太阳能电池。

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