Regulating the water balance of a proton exchange membrane fuel cell, involves reversing direction of air flow in phases and humidifying air flowing into fuel cell before it enters cell

摘要

The method involves reversing the direction of air flow in phases and humidifying the air flowing into the fuel cell (2) before it enters the cell. The air entering the fuel cell is humidified by adding to it some of the moist output air leaving the cell. The input air flow is compressed before humidifying.