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    • 7. 发明申请
    • Apparatus for preventing carbon corrosion at cathod in fuel cell
    • 用于防止燃料电池中的阴极碳腐蚀的装置
    • US20080318099A1
    • 2008-12-25
    • US11986920
    • 2007-11-27
    • Seung Chan OhJong Hyun LeeJong Jin YoonJae Jun KoYoung Min KimIk Jae Son
    • Seung Chan OhJong Hyun LeeJong Jin YoonJae Jun KoYoung Min KimIk Jae Son
    • H01M8/04
    • H01M8/04089H01M8/0441H01M8/04753H01M8/04761Y10T137/7837
    • The present invention provides an apparatus for effectively preventing carbon corrosion from occurring at the cathode of a fuel cell. The present apparatuses include an air blower supplying air from an air supply source to a fuel cell; a fuel cell receiving air from the air blower to generate electricity by a chemical reaction; an air discharge pipe through which residual air remaining after oxygen of the air is consumed for chemical reaction in the fuel cell is discharged; a pressure sensor provided in the air discharge pipe for detecting air pressure in the fuel cell; an air discharge solenoid valve provided in the air discharge pipe for controlling air flow of the air discharge pipe; and a controller controlling operation of the air blower and the air discharge solenoid valve by receiving a signal detected by the pressure sensor wherein the controller detects the air pressure through the pressure sensor to allow the air blower to supply air to the fuel cell until the air pressure reaches a predetermined pressure and then closes the air discharge solenoid valve until the oxygen in the fuel cell is completely exhausted, thereby preventing the formation of hydrogen/oxygen interface at the anode of the fuel cell.
    • 本发明提供一种用于有效地防止在燃料电池的阴极处发生碳腐蚀的装置。 本发明的装置包括从空气供应源向燃料电池供应空气的送风机; 燃料电池,其从所述鼓风机接收空气,通过化学反应发电; 排出空气排出管,通过该排气管在燃料电池中用于化学反应的空气的氧气之后残留的空气被排出; 压力传感器,其设置在所述排气管中,用于检测所述燃料电池中的气压; 排气电磁阀,设置在排气管中,用于控制排气管的气流; 以及控制器,其通过接收由所述压力传感器检测到的信号来控制所述鼓风机和所述排气电磁阀的操作,其中所述控制器通过所述压力传感器检测空气压力,以允许所述鼓风机向所述燃料电池供应空气,直到所述空气 压力达到预定压力,然后关闭排气电磁阀,直到燃料电池中的氧气完全排出,从而防止在燃料电池的阳极处形成氢/氧界面。