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Strontium-Doped Neodymium Manganite Powder Obtained by the Solids Mixture Technique

2010; Trans Tech Publications; Volume: 660-661; Linguagem: Inglês

10.4028/www.scientific.net/msf.660-661.1113

1662-9760

Reinaldo Azevedo Vargas, Rubens Chiba, M. A. G. Andreoli, Emília Satoshi Miyamaru Seo,

Electronic and Structural Properties of Oxides

Many ceramic materials are being studied for application as cathodes in Solid Oxide Fuel Cells (SOFCs), especially aiming to reduce the operating temperature. Several ceramic materials can act as cathodic components, including Strontium-Doped Neodymium Manganite (Nd1-XSrXMnO3). This work contributes to the aforementioned studies by analyzing the main physical, chemical and microstructural characteristics of Nd1-XSrXMnO3 powders, where x = 0.10, 0.30, and 0.50. These powders were obtained by the method of ceramic solids mixture. The homogeneity of the powder particles was found to be suitable for the preparation of suspensions, which can be evaluated rheologically and subsequently molded to the surface of the solid electrolyte.