Patent ID: 9337497
Filing Date: 2016-05-10
CPC Classification: B32B,C04B,C23C,H01M,Y02E

Claim Text:
1. A layer structure, useful for forming a ceramic layer between a chromium-alloy-containing interconnect and a cathode of a solid oxide fuel cell, the layer structure comprising in a green state in the absence of chromium, i) a powdery spinel, ii) at least one metal oxide of a metal selected from the groups consisting of Cu, Ni, Co, and Mn as a sintering additive, and iii) at least one powdery perovskite, wherein the spinel with the metal oxide constitutes a portion that reduces starting from the side for facing the interconnect in the direction of the side for facing the cathode, and wherein the perovskite constitutes a portion that reduces starting from the side for facing the cathode in the direction of the side for facing the interconnect.