Patent ID: 6630261
Filing Date: 2003-10-07
Classification: B60L,F28F,H01M,Y02E,Y02T

Abstract:
An air-cooled fuel cell battery, comprising:at least one air-cooled fuel cell stack with a number of fuel cells driven by a process gas and producing a waste heat; and an apparatus for utilizing the waste heat, said apparatus having a stack of heat exchange cells, each of said heat exchange cells containing: at least two plates selected from the group consisting of end plates and separator plates; a thermally conductive plate disposed in relation to said two plates to enclose a first chamber and a second chamber, during operation said first chamber receiving a spent cooling air; and a humidifier membrane disposed in said second chamber and subdividing said second chamber into a first subchamber and a second subchamber, during operation said first subchamber receiving water and said second subchamber receiving the process gas to be humidified; the process gas being simultaneously cooled and humidified respectively.