SOLID OXIDE FUEL CELL

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PROBLEM TO BE SOLVED : To obtain further output voltage improvement in a solid oxide fuel cell with an air electrode structured by a ceria compound and a perovskite oxide. SOLUTION : The solid oxide fuel cell includes an electrolyte 101 consisting of a material of zirconia system, a fuel electrode 102 formed on one side of the electrolyte 101, and the air electrode 103 formed on the other side of the electrolyte 101 and containing with and structured by a cerium oxide (ceria compound : a first material) with rare earth added and a perovskite metal oxide (perovskite oxide : a second material) with praseodymium (Pr) added. COPYRIGHT : (C)2009, JPO&INPIT