Patent ID: 7968200
Filing Date: 2011-06-28
Classification: B01D,C01B,C03C,C04B,H01M,Y02E,Y02P

Abstract:
1. A solid oxide fuel cell, comprising: a fuel electrode, an air electrode, a zirconia solid electrolyte and a separator bonded to this solid electrolyte, wherein the separator is formed of lanthanum-chromite oxide in which an alkali earth metal may or may be not substituted for part of the lanthanum or chromium, and a bond part between the solid electrolyte and the separator is formed from a crystalline-amorphous composite material characterized by having leucite crystals precipitated in a dispersed state in a glass matrix, and wherein the bond part is formed of the following oxide components in the following mass ratios as oxides: and wherein the thermal expansion coefficient of the crystalline-amorphous composite material making up the bond part is 9 to 10×10