Patent ID: 6562505
Filing Date: 2003-05-13
Classification: H01M,Y02E

Abstract:
A sealing structure of a cell tube for a fuel cell, comprising: a cell tube having a sealed portion and including a substrate tube and a unit cell film member, further comprising a fuel electrode and an air electrode formed as films by a sintering process on a surface of the substrate tube and a solid electrolyte being interposed between the fuel electrode and the air electrode, andwherein an adhesion film including a surface having a predetermined roughness characteristic for adhesion thereof to a sealing member is located on the sealed portion of the cell tube, the sealed portion of the cell tube further including a conductive lead film formed on the surface of the substrate tube, and a film having airtight properties formed on a surface of the lead film, wherein the adhesion film is located on a surface of the film having airtight properties, and wherein the sealing member is adhered to the surface of the adhesion film via an adhesive coated on the surface of the adhesion film having said predetermined roughness characteristic.