ANISOTROPIC CTE LSM FOR SOFC CATHODE

摘要

PROBLEM TO BE SOLVED: To provide a cathode having an anisotropic CTE and a method for forming the anisotropic CTE cathode of a solid oxide fuel cell.SOLUTION: A cathode of a solid oxide fuel cell comprises a sintered layer having an anisotropic coefficient of thermal expansion (CTE) defined by an out-of-plane CTE and an in-plane CTE with a difference of at least 1×10°Cbetween the out-of-plane CTE and the in-plane CTE. The sintered layer is formed from lanthanum strontium manganite (LSM), and has a thickness in the range from 0.5 mm to 4 mm.