The present invention relates to a novel structure of a single cell module of a proton exchange membrane fuel cell (PEMFC), comprising an anode bipolar plate, a cathode bipolar plate and a membrane electrode assembly (MEA) sandwiched therebetween. The MEA ...

A fuel cell, which has a tubular polymer electrolyte membrane, with a fuel electrode on one of inner and outer sides of the membrane, and with an air electrode on the other side of the membrane.