SOLID ELECTROLYTE MATERIAL AND SOLID OXIDE FUEL CELL PROVIDED WITH SAME
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United States of America Patent
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Nov 28, 2013
app pub date -
Jan 31, 2012
filing date -
Jan 31, 2011
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Abstract
Provided is a solid electrolyte material provided which, while maintaining a high oxygen ion conductivity, minimizes the extraction of scandia caused by impurities such as silicon in the fuel gas, and has improved intergranular strength in order to eliminate intergranular fracture caused by crystalline modification. The solid electrolyte material is a zirconia solid electrolyte material having yttria dissolved therein, has cubic crystals as the main ingredient, and is further characterized by having a lanthanoid oxide dissolved therein.
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