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Manufacturing Method of Electrolyte Powder for Solid Oxide Fuel Cell and Electrolyte Powder Producin 发明授权

2023-03-03 1350 564K 0

专利信息

申请日期 2025-07-09 申请号 KR1020120158234
公开(公告)号 KR101488156B1 公开(公告)日 2015-01-26
公开国别 KR 申请人省市代码 全国
申请人 SNU R DB FOUNDATION; INDUSTRY ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY
简介 According to an embodiment of the present invention, there are provided a method for producing electrolyte powder for a solid oxide fuel cell including a precursor aqueous solution production step in which a ceria precursor and a rare earth metal precursor are stirred and dissolved in distilled water at a molar ratio of the chemical formula below to produce a precursor aqueous solution; a precursor aqueous solution coagulation step in which a solute is coagulated by injecting a hydroxide while the precursor aqueous solution is stirred; a primary heat treatment step in which the precursor aqueous solution is subjected to a heat treatment; an electrolyte powder production step in which electrolyte powder is produced by demoisturizing and pulverizing the heat-treated precursor aqueous solution; and a secondary heat treatment step in which the electrolyte powder is calcined, and electrolyte powder for a solid oxide fuel cell produced by same. XaCebOc (herein, X is a rare earth metal, a is 0.01 to 0.4, b=1-a, c=(3a+2b)/2).


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