Patent ID: 9634338
Date: 2017-04-25
CPC Classifications: H01M,Y02E

Claim:
1. A humidification cell of a fuel cell apparatus, the humidification cell comprising: a first outer plate and a second outer plate; a gas chamber; a humidification water chamber; a water-permeable membrane separating said gas and humidification water chambers; starting from said first outer plate, said gas chamber, said humidification water chamber and said water-permeable membrane, being disposed between said first outer plate and said second outer plate; and a first water-permeable support element disposed between said first outer plate and said membrane, said first support element being made from a screen fabric; said membrane having a rigidity; said screen fabric and said membrane being matched to one another and to pressures in said chambers adjoining said membrane with regard to said thickness and said diameter of said pores of said screen fabric and with regard to said rigidity of said membrane, for preventing said membrane from squeezing through said pores and coming into contact with at least one of said outer plates, during operation of the humidification cell; said screen fabric having a thickness and pores with a diameter; and said diameter of said pores and said thickness of said screen fabric being in a ratio of from 1:2 to 1:5.