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MATERIAL FOR ELECTRODE OF SOLID ELECTROLYTE TYPE FUEL CELL AND ELECTRODE 发明申请

2023-08-21 1750 112K 0

专利信息

申请日期 2025-07-11 申请号 JP2004304407
公开(公告)号 JP2006012764A 公开(公告)日 2006-01-12
公开国别 JP 申请人省市代码 全国
申请人 DOWA MINING CO
简介 PROBLEM TO BE SOLVED : To provide a conductive material suitable for an electrode material of a solid electrolyte type fuel cell and having a high specific surface area; and to provide an electrode using it. SOLUTION : This material for an electrode of a solid electrolyte type fuel cell has a BET specific surface area above 20 m2/g, preferably above 40 m2/g and is formed of a perovskite (RTO3) type composite oxide. In this case, R is formed of one or more of rare-earth elements and T is formed of one or more of transition metal elements. The material for an electrode can be manufactured by a technique for heating, to 450-800°C, an amorphous precursor substance formed by adjusting its composition so as to set a ratio of a total number of moles of the R elements to that of the T elements to nearly 1 : 1. When the electrode material is used, an electrode extremely rich in porosity can be provided and reaction efficiency is remarkably improved. COPYRIGHT : (C)2006, JPO&NCIPI


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