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    • 10. 发明授权
    • Optimized cathode fill strategy for fuel cell
    • 燃料电池优化阴极填充策略
    • US08697303B2
    • 2014-04-15
    • US12693251
    • 2010-01-25
    • Daniel I. HarrisJoseph Nicholas LovriaMatthew C. KirklinGary M. Robb
    • Daniel I. HarrisJoseph Nicholas LovriaMatthew C. KirklinGary M. Robb
    • H01M8/06H01M8/04
    • H01M8/04455H01M8/04798H01M2250/20Y02T90/32
    • A method for controlling cathode air flow at system start-up by controlling a stack by-pass valve. The method includes determining a concentration of hydrogen in a cathode side of the fuel cell stack. The method also includes determining a volumetric flow rate through a cathode compressor, determining a volumetric flow rate through the cathode side and determining a fraction of volumetric flow rate through the cathode side to the total flow through the compressor. The method determines a modeled hydrogen outlet concentration from the fuel cell stack based on the volumetric flow rate through the compressor, the fraction of volumetric flow rate through the compressor to the total flow through the compressor and the concentration of hydrogen in the cathode side. The method uses a desired fraction of volumetric flow rate through the cathode side and the total flow through the compressor to determine the position of the by-pass valve.
    • 一种通过控制堆叠旁通阀来控制系统启动时的阴极气流的方法。 该方法包括确定燃料电池堆的阴极侧的氢浓度。 该方法还包括确定通过阴极压缩机的体积流量,确定通过阴极侧的体积流量,并确定通过阴极侧的体积流量与通过压缩机的总流量的比例。 该方法基于通过压缩机的体积流量,通过压缩机的体积流量与通过压缩机的总流量的比例以及阴极侧的氢浓度,确定来自燃料电池堆的模型氢出口浓度。 该方法使用通过阴极侧的所需部分体积流量和通过压缩机的总流量来确定旁通阀的位置。