Patent ID: 8936885
Filing Date: 2015-01-20
Classification: H01M,Y02E

Abstract:
1. A fuel cell system comprising: a fuel cell; and a single humidifier, wherein the fuel cell comprises a power generation cell, the power generation cell having a membrane electrode assembly, the membrane electrode assembly including a cathode, an anode, and an electrolyte membrane interposed between the cathode and the anode, the fuel cell performing power generation by causing electrochemical reactions between an oxygen-containing gas supplied to the cathode and a fuel gas supplied to the anode, the fuel cell system further comprising an oxygen-containing gas supply apparatus for supplying the oxygen-containing gas to the fuel cell, the oxygen-containing gas supply apparatus comprising: wherein the humidifier is disposed along both the oxygen-containing gas supply channel and the oxygen-containing gas discharge channel, wherein the oxygen-containing off gas circulation channel is connected at a position on the oxygen-containing gas supply channel upstream from the humidifier, and upstream or downstream from the fluid pressure device, and wherein the humidifier is disposed downstream of the branch supply channel.