Patent ID: 6524735
Filing Date: 2003-02-25
Classification: B29C,H01M,Y02E

Abstract:
A fuel cell stack comprising a plurality of fuel cell units each including an anode electrode, a cathode electrode, and an electrolyte interposed between said anode electrode and said cathode electrode, said plurality of fuel cell units being stacked with a plurality of separators intervening therebetween, said fuel cell stack comprising:a flow passage provided in each of said fuel cell units for supplying a fluid to said fuel cell units, said fluid including at least one of a fuel gas, an oxygen-containing gas, and a cooling medium; a fluid communication passage provided in a stacking direction of said fuel cell units, said flow passage communicating with said fluid communication passage; and a flow guide comprising a curved section disposed between said flow passage and said fluid communication passage for facilitating said fluid to flow from said flow passage into said fluid communication passage or to flow from said fluid communication passage into said flow passage.