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1. 发明申请

US20160079623A1 METHOD FOR PREPARING SOLID ELECTROLYTE FOR SOLID OXIDE FUEL CELL, AND METHOD FOR PREPARING UNIT CELL 审中-公开
标题翻译：固体氧化物燃料电池固体电解质的制备方法及制备单元电池的方法
公开(公告)号：US20160079623A1
公开(公告)日：2016-03-17
申请号：US14787446
申请日：2013-08-20
申请人： KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
发明人： Ho Sung Kim , Seong Jae Boo , Chae Hwan Jeong , Ik Hyun Oh , Hyeon Jong Jeon , Min Young Kim
IPC分类号： H01M8/12
CPC分类号： H01M8/1246 , H01M8/1253 , H01M2008/1293 , H01M2300/0071 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： Provided are a method for preparing a solid electrolyte material for a cheap solid oxide fuel cell capable of implementing high ion conductivity at a medium-low temperature of 800° C. or lower, and a method for preparing a unit cell of a solid oxide fuel cell by using the same. The method for preparing a solid electrolyte material for a solid oxide fuel cell comprises: providing a starting material comprising ytterbium nitrate [Yb(NO3)3.H2O], scandium nitrate [Sc(NO3)3.H2O] and zirconium oxychloride [ZrOCl2.H2O] in a ratio of 6:4:90 by mol; forming a mixture metal salt aqueous solution by dissolving the starting material; forming a precursor by mixing the mixture metal salt aqueous solution and a chelating agent and coprecipitating the obtained mixture; washing the precursor by providing ultrapure water multiple times; filtering the washed precursor by using a vacuum filtration apparatus; and forming a solid electrolyte powder by heat treating the filtered precursor.
摘要翻译：提供一种在800℃以下的中低温下能够实现高离子传导性的便宜的固体氧化物型燃料电池用固体电解质材料的制造方法，以及制备固体氧化物燃料的单电池的方法细胞使用相同。制备用于固体氧化物燃料电池的固体电解质材料的方法包括：提供包含硝酸镱[Yb（NO 3）3·H 2 O]，硝酸钪[Sc（NO 3）3·H 2 O]和氧氯化锆[ZrOCl 2]的原料。 H 2 O]，其比例为6:4:90; 通过溶解原料形成混合金属盐水溶液; 通过混合所述混合金属盐水溶液和螯合剂形成前体并共沉淀所得混合物; 通过提供超纯水多次洗涤前体; 使用真空过滤装置过滤洗涤的前体; 并通过热处理过滤的前体形成固体电解质粉末。

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