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    • 3. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US08034498B2
    • 2011-10-11
    • US11922874
    • 2006-06-30
    • Kota ManabeMikio KizakiNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • Kota ManabeMikio KizakiNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • H01M8/04
    • H01M8/04649G01R31/3662H01M8/04291H01M8/04447H01M8/04492H01M8/04723H01M8/04753H01M8/04761H01M2008/1095
    • A fuel cell system according to the present invention is characterized by comprising a fuel cell, measurement means for measuring impedances of the fuel cell in two kinds or more of frequency regions, and first judgment means for judging two or more parameters concerned with an internal state of the fuel cell based on measurement results of the impedances in the respective frequency regions. According to such a constitution, the impedances in the two or more types of frequency regions (a high frequency region, a low frequency region and the like) are measured to judge two or more parameters such as a wet state of an electrolytic film of the fuel cell and a supply state of a fuel gas, which are concerned with the internal state of the fuel cell based on this measurement result. Since such judgment is performed, as compared with the conventional technology, the internal state of the fuel cell can accurately be grasped, and highly efficient and highly robust control of the fuel cell system can be performed.
    • 根据本发明的燃料电池系统的特征在于包括燃料电池,用于测量两种或更多种频率区域中的燃料电池的阻抗的测量装置,以及用于判断与内部状态有关的两个或更多个参数的第一判断装置 基于各个频率区域中的阻抗的测量结果。 根据这样的结构,测定两种以上的频率区域(高频区域,低频区域等)的阻抗,以判断两个以上的参数,例如电解膜的湿态 燃料电池和燃料气体的供给状态,其基于该测量结果涉及燃料电池的内部状态。 由于进行这样的判断,因此与现有技术相比,能够精确地掌握燃料电池的内部状态,能够高效率地进行燃料电池系统的高度稳定的控制。
    • 4. 发明申请
    • Fuel Cell System
    • 燃料电池系统
    • US20090110985A1
    • 2009-04-30
    • US11922892
    • 2006-06-30
    • Kota ManabeNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • Kota ManabeNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • H01M8/04
    • H01M8/04089H01M8/04007H01M8/04649H01M8/04753H01M2008/1095H01M2250/20Y02T90/32
    • A fuel cell system according to the present invention is characterized by comprising a measurement unit which measures an impedance of a fuel cell in a predetermined frequency region, and a regulation unit which regulates an amount of a gas to be supplied to the fuel cell based on a measured value of the impedance in the predetermined frequency region. According to such a constitution, the impedance of the fuel cell in the predetermined frequency region (e.g., a low frequency region) is measured, and the amount of the gas (e.g., an amount of an oxidizing gas) to be supplied to the fuel cell is regulated based on this measured value of the impedance. Here, since the impedance of the fuel cell in the predetermined frequency region largely differs with a fuel supply state (see FIG. 2), the amount of the gas to be supplied to the fuel cell can be regulated based on the measured value of the impedance to realize a highly efficient and stable operation.
    • 根据本发明的燃料电池系统的特征在于包括:测量预定频率区域中的燃料电池的阻抗的测量单元;以及调节单元,其调节要供应到燃料电池的气体的量,基于 在预定频率区域中的阻抗的测量值。 根据这样的结构,测量在预定频率区域(例如低频区域)中的燃料电池的阻抗,并且供给到燃料的气体量(例如,氧化气体的量) 基于阻抗的测量值调节电池。 这里,由于燃料电池在预定频率区域中的阻抗随着燃料供给状态而大幅度变化(参照图2),因此能够基于燃料电池的测量值来调节供给燃料电池的气体量 阻抗实现高效稳定运行。
    • 5. 发明授权
    • Fuel cell system which measures impedance
    • 测量阻抗的燃料电池系统
    • US08603689B2
    • 2013-12-10
    • US11922892
    • 2006-06-30
    • Kota ManabeNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • Kota ManabeNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • H01M8/04
    • H01M8/04089H01M8/04007H01M8/04649H01M8/04753H01M2008/1095H01M2250/20Y02T90/32
    • A fuel cell system according to the present invention is characterized by comprising a measurement unit which measures an impedance of a fuel cell in a predetermined frequency region, and a regulation unit which regulates an amount of a gas to be supplied to the fuel cell based on a measured value of the impedance in the predetermined frequency region. According to such a constitution, the impedance of the fuel cell in the predetermined frequency region (e.g., a low frequency region) is measured, and the amount of the gas (e.g., an amount of an oxidizing gas) to be supplied to the fuel cell is regulated based on this measured value of the impedance. Here, since the impedance of the fuel cell in the predetermined frequency region largely differs with a fuel supply state (see FIG. 2), the amount of the gas to be supplied to the fuel cell can be regulated based on the measured value of the impedance to realize a highly efficient and stable operation.
    • 根据本发明的燃料电池系统的特征在于包括:测量预定频率区域中的燃料电池的阻抗的测量单元;以及调节单元,其调节要供应到燃料电池的气体的量,基于 在预定频率区域中的阻抗的测量值。 根据这样的结构,测量在预定频率区域(例如低频区域)中的燃料电池的阻抗,并且供给到燃料的气体量(例如,氧化气体的量) 基于阻抗的测量值调节电池。 这里,由于燃料电池在预定频率区域中的阻抗随着燃料供给状态而大幅度变化(参照图2),因此能够基于燃料电池的测量值来调节供给燃料电池的气体量 阻抗实现高效稳定运行。
    • 6. 发明申请
    • Fuel Cell System
    • 燃料电池系统
    • US20090169934A1
    • 2009-07-02
    • US11922874
    • 2006-06-30
    • Kota ManabeMikio KizakiNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • Kota ManabeMikio KizakiNobuyuki OrihashiShigetaka HamadaMasahiro Shige
    • H01M8/04
    • H01M8/04649G01R31/3662H01M8/04291H01M8/04447H01M8/04492H01M8/04723H01M8/04753H01M8/04761H01M2008/1095
    • A fuel cell system according to the present invention is characterized by comprising a fuel cell, measurement means for measuring impedances of the fuel cell in two kinds or more of frequency regions, and first judgment means for judging two or more parameters concerned with an internal state of the fuel cell based on measurement results of the impedances in the respective frequency regions. According to such a constitution, the impedances in the two or more types of frequency regions (a high frequency region, a low frequency region and the like) are measured to judge two or more parameters such as a wet state of an electrolytic film of the fuel cell and a supply state of a fuel gas, which are concerned with the internal state of the fuel cell based on this measurement result. Since such judgment is performed, as compared with the conventional technology, the internal state of the fuel cell can accurately be grasped, and highly efficient and highly robust control of the fuel cell system can be performed.
    • 根据本发明的燃料电池系统的特征在于包括燃料电池,用于测量两种或更多种频率区域中的燃料电池的阻抗的测量装置,以及用于判断与内部状态有关的两个或更多个参数的第一判断装置 基于各个频率区域中的阻抗的测量结果。 根据这样的结构,测定两种以上的频率区域(高频区域,低频区域等)的阻抗,以判断两个以上的参数,例如电解膜的湿态 燃料电池和燃料气体的供给状态,其基于该测量结果涉及燃料电池的内部状态。 由于进行这样的判断,因此与现有技术相比,能够精确地掌握燃料电池的内部状态,能够高效率地进行燃料电池系统的高度稳定的控制。