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    • 23. 发明申请
    • SOLID-OXIDE FUEL-CELL SYSTEM AND STARTUP-CONTROL METHOD FOR SAME
    • 固体氧化物燃料电池系统及其启动控制方法
    • US20140315111A1
    • 2014-10-23
    • US14357488
    • 2012-11-06
    • JX NIPPON OIL & ENERGY CORPORATION
    • Yasushi SatoTakeshi Ibuka
    • H01M8/04
    • H01M8/0258H01M8/0232H01M8/04022H01M8/04223H01M8/04313H01M8/04365H01M8/04694H01M8/04731H01M8/04753H01M8/0618H01M8/0662H01M8/2432H01M8/2457H01M8/2484H01M2008/1293
    • An object of the invention is to improve durability of a SOFC system and secure favorable power generation performance during the actual useful service period of the system. In the SOFC system, a fuel gas flow rate to a fuel cell stack is set at F1 at the time of start-up. At a time point when a temperature T of the fuel cell stack reaches a first temperature T1 or higher after the temperature is started to increase, when it is determined that the stack temperature T at the time of the previous system stop is lower than or equal to a predetermined value Tb, the fuel gas flow rate is decreased to F2a (which is less than F1), and when it is determined that the stack temperature T is higher than the predetermined value Tb, the fuel gas flow rate is decreased to F2b (which is less than F2a) to slow the temperature increase rate. Furthermore, when the stack temperature T reaches T2, the fuel gas flow rate is returned to F1 so as to increase the fuel gas flow rate and then the process proceeds to the next process.
    • 本发明的目的在于提高系统的实际使用寿命期间的SOFC系统的耐久性和良好的发电性能。 在SOFC系统中,燃料电池堆的燃料气体流量在启动时被设定为F1。 在燃料电池堆的温度T达到温度开始后达到第一温度T1以上的时间点,当确定先前系统停止时的堆温度T低于或等于 到预定值Tb时,燃料气体流量减少到F2a(小于F1),并且当确定堆温度T高于预定值Tb时,燃料气体流量减少到F2b (小于F2a)以降低升温速率。 此外,当堆温度T达到T2时,燃料气体流量返回到F1,以增加燃料气体流量,然后处理进行到下一个处理。
    • 26. 发明授权
    • Systems and methods for fuel cell thermal management
    • 燃料电池热管理系统和方法
    • US08790840B2
    • 2014-07-29
    • US12721250
    • 2010-03-10
    • Sudha Rani LaVenLuc Rouveyre
    • Sudha Rani LaVenLuc Rouveyre
    • H01M8/04
    • H01M8/04313H01M8/04029H01M8/04298H01M8/04335H01M8/04358H01M8/04723H01M8/0485H01M2008/1095
    • Thermal and hydration management systems and methods for fuel cell systems, including control of electrolytic membrane hydration levels. In some embodiments, the thermal properties of the fuel cell are controlled based on a variable associated with the oxidant supply stream and/or a variable associated with the fuel cell energy output. In some embodiments, the temperature of the fuel cell is controlled based on the temperature of the oxidant supply stream. In some embodiments, the temperature range across the fuel cell stack is controlled based on the flow rate of the oxidant stream and the electrical output generated by the fuel cell stack. In some embodiments, the humidity within the fuel cell stack is controlled. In some embodiments, the liquid water content of the cathode exhaust stream is controlled.
    • 用于燃料电池系统的热和水合管理系统和方法,包括电解质膜水化水平的控制。 在一些实施例中,基于与氧化剂供应流相关联的变量和/或与燃料电池能量输出相关联的变量来控制燃料电池的热性质。 在一些实施例中,基于氧化剂供应流的温度来控制燃料电池的温度。 在一些实施例中,基于氧化剂流的流量和由燃料电池堆产生的电输出来控制跨燃料电池堆的温度范围。 在一些实施例中,控制燃料电池堆内的湿度。 在一些实施例中,控制阴极排气流的液态水含量。