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    • 3. 发明专利
    • Electrode of fine structure with three-phase interface by porous ion-conductive ceria film coating, and method for manufacturing the same
    • 通过多孔导电陶瓷膜涂覆的三相接口的精细结构电极及其制造方法
    • JP2003346818A
    • 2003-12-05
    • JP2002154283
    • 2002-05-28
    • Korea Inst Of Science & Technologyコリア インスティテュート オブ サイエンス アンド テクノロジー
    • HONG SUNG-AHNOH IN-HWANLIM TAE-HOONNAM SUK-WOOHA HOONG-YOUNGYOON SUNG PILHAN JONGHEE
    • C04B38/00C04B35/50C04B41/87G01N27/409H01M4/86H01M4/88H01M8/12
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a composite electrode and a manufacturing method thereof for coating an ion conductive ceramic film on an electrode to mainly perform the electronic conduction around the electrode and an electrolyte in order to improve the electrode performance of a fuel cell, a sensor and a solid state device, and additionally extending a three-phase interface with the electrode/the electrolyte/the gas in contact therewith as an electrochemical reaction part while an electronic conductive material and an ion conductive material are independent of each other. SOLUTION: There is provided a method for improving the electrode performance by coating a continuous porous oxygen ion conductive ceramic ceria film by a sol-gel method around an electrode of a solid oxide fuel cell (SOFC) or a sensor to provide a very fine structure with a three-phase interface extended with an electronic conductive material and an ion conductive material independent from each other. No expensive device or starting material is required, the small structure is easily controlled, the electrode/electrolyte interface resistance is effectively reduced in a low-temperature step, the area of the three-phase interface is increased, the electrode resistance is reduced, and the electrode performance of the SOFC, the sensor, and the solid-state device is improved. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种用于在电极上涂覆离子传导性陶瓷膜的复合电极及其制造方法,以主要在电极和电解质周围进行电子传导,以改善燃料的电极性能 电池,传感器和固态器件,并且另外延伸与电极/电解质/与其接触的气体的三相界面作为电化学反应部分,同时电子导电材料和离子导电材料彼此独立 。 提供一种通过在固体氧化物型燃料电池(SOFC)或传感器的电极周围通过溶胶 - 凝胶法涂覆连续的多孔氧离子导电陶瓷二氧化铈膜来提高电极性能的方法,以提供 具有用电子导电材料和彼此独立的离子导电材料延伸的三相界面的非常精细的结构。 不需要昂贵的器件或起始材料,容易控制小结构,在低温阶段有效降低电极/电解质界面电阻,增加三相界面的面积,降低电极电阻, 改善了SOFC,传感器和固态器件的电极性能。 版权所有(C)2004,JPO