Patent ID: 7745062
Filing Date: 2010-06-29
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 and a cathode and an electrolyte interposed between said anode and said cathode, wherein a fuel gas supply passage, an oxygen-containing gas supply passage, a coolant supply passage, a fuel gas discharge passage, an oxygen-containing gas discharge passage, and a coolant discharge passage extend through said fuel cell in a stacking direction of said fuel cell; said separator at least includes first and second plates stacked together; said first metal plate has an oxygen-containing gas flow field including a curved flow passage for supplying an oxygen-containing gas along said cathode, and said second metal plate has a fuel gas flow field including a curved flow passage for supplying a fuel gas along said anode; and a coolant flow field including: