Solid oxide fuel cells and process for the production of the same.

摘要

A solid oxide fuel cell including at least one kind of an electrically conductive film formed by spraying and having a permeability constant of nitrogen gas being not more than 9 x 10<-><8> cm<4>/g.sec. A process for producing a solid oxide fuel cell, including the steps of: forming a sprayed film on a substrate by spraying a material for the formation of an electrically conductive film, while a thickness of a sprayed film per one pass of a spraying gun is being suppressed to not more than 10 mu m, and then forming said electrically conductive film by thermally treating said sprayed film.