Patent ID: 9070946
Filing Date: 2015-06-30
Classification: H01M,Y02E,Y02P

Abstract:
1. An electrolyte-electrode joined assembly comprising an anode and a cathode with a solid electrolyte interposed therebetween, an intermediate layer being formed between the solid electrolyte and the cathode, wherein the intermediate layer is a porous body including a pore opened on a surface facing the cathode, the cathode contains at least a first layer in contact with the intermediate layer and a second layer disposed on the first layer, the first layer contains a perovskite-type composite oxide represented by Ba the intermediate layer has an open pore on a surface thereof facing the first layer, the pore being filled with the first layer, and the second layer is a porous body having a pore allowing passage of an oxygen-containing gas, a pore diameter of the pore of the intermediate layer is at most 3 μm, and a porosity of the intermediate layer is 25% to 40%.