Patent ID: 6294277
Filing Date: 2001-09-25
Classification: H01M,Y02E,Y02T

Abstract:
A fuel cell system comprising:one or more fuel cells each having an anode, a cathode and an electrolyte membrane interposed between said anode and said cathode;first gas supplying means for supplying a first gas including fuel gas to said anode;second gas supplying means for supplying a second gas including oxygen to said cathode;liquid water supplying means for supplying water in liquid state onto a surface of said cathode;sensor means for detecting a water supply capacity of said liquid water supplying means at least in start-up of said first gas supplying means; andcontrol means for discontinuing or interrupting operation of said first gas supplying means responsive to detection that the water supply capacity of said liquid water supplying means has decreased to below a predetermined minimum level.