Gasket for molten carbonate fuel cell with oxide-based electrolyte migration barrier layer formed

摘要

The present disclosure relates to a gasket for an MCFC, the gasket being in direct contact with a molten carbonate electrolyte and configuring a wet seal part of a stack in a manifold sealing part of an external manifold-type MCFC stack, wherein the gasket has a structure in which two or more partial gaskets separated from each other in a stacking direction of the stack are connected to each other and a blocking layer physically blocking migration of the molten carbonate electrolyte is formed between the partial gaskets, and the blocking layer is a thick film layer or a green sheet layer formed of the same oxide powder particles as those of the partial gaskets and is manufactured by co-sintering a partial oxide felt assembly and the blocking layer in a process of sintering the gasket.