Air Control System and Method for Fuel Cell Stack System

An airflow control method of an air control system for a fuel cell stack (FCS) includes opening a recirculation valve by a controller to recirculate air through a compressor to increase a temperature of the air prior to entering the FCS to offset a FCS temperature below a predetermined threshold in response to identification to a cold-start event. The recirculation valve may be arranged with the compressor to recirculate air therethrough. The FCS may be arranged with the compressor and recirculation valve to selectively receive air therefrom. A sensor may measure thermal conditions of the FCS. The controller may be programmed to receive signals from the sensor indicating thermal conditions of the FCS, and to operate the recirculation valve based on the signals to recirculate air through the compressor to increase a temperature of the air prior to entering the FCS. 公开了种用于燃料电池堆系统的空气控制系统和方法。用于燃料电池堆(FCS)的空气控制系统的气流控制方法包括：响应于识别到冷启动事件，通过控制器打开再循环阀以使空气再循环通过压缩机，以在空气进入FCS之前增加空气的温度以使低于预定阈值的FCS温度得到补偿。再循环阀可以与压缩机布置在起以使空气再循环