Patent ID: 7625657
Filing Date: 2009-12-01
Classification: H01M,Y02E

Abstract:
1. A fuel cell formed by stacking an electrolyte electrode assembly and separators alternately, said electrolyte electrode assembly including an anode, a cathode, and an electrolyte interposed between said anode and said cathode, wherein a fuel gas flow field for supplying a fuel gas along a surface of said anode, and an oxygen-containing gas flow field for supplying an oxygen-containing gas along a surface of said cathode are provided, each said separator comprising: oxygen-containing gas supply unit, the fuel cell further comprising: a fuel gas channel extending along an entire first surface of said central plate portion of said third plate for distributing the fuel gas along the entire first surface of said central plate portion of said third plate; an oxygen-containing gas channel extending along an entire second surface of said central plate portion of said third plate for distributing said oxygen-containing gas along the entire second surface of said central plate portion of said third plate, the second surface being opposite to the first surface; wherein tightening means is provided at positions closer to said fuel gas supply unit and said oxygen-containing gas supply unit than said electrode stack unit for individually applying a tightening load to said fuel gas supply unit, said oxygen-containing gas supply unit and said electrolyte electrode assembly in a stacking direction of said electrolyte electrode assembly and said separators.