Humidifier for fuel cell

The present invention relates to a humidifier for a fuel cell, the humidifier comprising: a housing; a first space provided in the housing; a moist air supply port connected to the housing to communicate with the first space and configured to supply moist air discharged from the fuel cell stack; the humidifying unit is arranged in the first space; a second space disposed separately from the first space and provided in the housing to communicate with the humidifying unit; and an inflow gas discharge port connected to the housing to communicate with the second space and configured to discharge inflow gas that has flowed through the humidification unit, which can simplify the structure of the humidifier and improve space utilization and design freedom. 本发明涉及一种用于燃料电池的湿化器，所述湿化器包括：壳体；第一空间，其设置于壳体中；潮湿空气供应端口，其连接至壳体以与所述第一空间连通并且配置为供应从燃料电池堆排出的潮湿空气；湿化单元，其设置于所述第一空间中；第二空间，其与所述第一空间分开布置并且设置在壳体中以与所述湿化单元连通；以及流入气体排出端口，其连接至壳体以与第二空间连通并且配置为排出已经流过所述湿化单元的流入气体，这可以简化湿化器的结构并且提高空间利用率和设计自由度。