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公开(公告)号：KR100805458B1
公开(公告)日：2008-02-20
申请号：KR1020060125898
申请日：2006-12-11
Applicant: 현대자동차주식회사
CPC classification number: H01M8/0273 , H01M8/1004 , Y02E60/50
Abstract: A membrane-electrode assembly formed integrally to a gasket having a multiple sealing structure for a fuel cell is provided to improve the assemblage rate, to minimize contamination of a membrane-electrode assembly caused by leakage of an anti-freezing agent, and to increase the interfacial adhesion between a membrane-electrode assembly and a gas diffusion layer. A membrane-electrode assembly(110) includes a polymer electrolyte membrane(112) having a reaction gas manifold and a cooling water manifold for sucking and discharging reaction gases and cooling water, and catalyst layers(114) of a cathode and an anode bonded to both surfaces of the polymer electrolyte membrane. The membrane-electrode assembly further comprises: a gas diffusion layer(120) bound to both surfaces of the membrane-electrode assembly for dispersing the reaction gases uniformly over the membrane-electrode assembly; and at least one gasket(130,140) formed integrally to the membrane-electrode assembly corresponding to the shape of the membrane-electrode assembly for preventing leakage of the cooling water.
Abstract translation: 提供一体形成为具有用于燃料电池的多重密封结构的垫圈的膜 - 电极组件，以提高组合速率，以最小化由防冻剂的泄漏引起的膜 - 电极组件的污染，并且增加 膜 - 电极组件和气体扩散层之间的界面粘合。 膜 - 电极组件（110）包括具有反应气体歧管的聚合物电解质膜（112）和用于吸收和排出反应气体和冷却水的冷却水歧管以及阴极和阳极的催化剂层（114） 聚合物电解质膜的两个表面。 所述膜 - 电极组件还包括：结合到所述膜 - 电极组件的两个表面的气体扩散层（120），用于将所述反应气体均匀地分散在所述膜 - 电极组件上; 以及至少一个与所述膜 - 电极组件整体形成的对应于所述膜 - 电极组件的形状的垫圈（130,140），用于防止冷却水泄漏。
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公开(公告)号：KR1020180042745A
公开(公告)日：2018-04-26
申请号：KR1020160135286
申请日：2016-10-18
Applicant: 현대자동차주식회사
IPC: G01R31/36 , H01M8/04537
CPC classification number: H01M8/04649 , B60L11/1883 , H01M8/04007 , H01M8/04225 , H01M8/04253 , H01M8/04291 , H01M8/04302 , H01M8/04731 , H01M8/0485 , H01M8/1004 , H01M8/1007 , H01M8/241 , H01M8/2457 , H01M2008/1095 , H01M2250/20 , H01M2300/0082 , Y02E60/521 , Y02T90/32 , Y02T90/34 , G01R31/3662 , G01R31/3658 , H01M8/04559 , Y02E60/50
Abstract: 본발명은연료전지스택의상태진단장치및 그방법에관한것으로, 연료전지스택을구성하는셀들을대상으로소정개수의셀로이루어진채널을구성하고, 각채널의전압을측정하며, 특정전압을가지는채널의임피던스를산출한후 이에기초하여연료전지스택의상태를진단함으로써, 채널단위의이상여부를검출해낼 수있는연료전지스택의상태진단장치및 그방법을제공하고자한다. 이를위하여, 본발명은연료전지스택의상태진단장치에있어서, 연료전지스택을구성하는셀들을대상으로소정개수의셀로이루어진채널을구성하고, 각채널의전압을측정한후 특정전압을가지는채널의임피던스를산출하는 SVM(Stack Voltage Monitor); 및상기 SVM이산출한각 채널의임피던스에기초하여상기연료전지스택의상태를진단하는제어기를포함한다.
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公开(公告)号：KR1020170068648A
公开(公告)日：2017-06-20
申请号：KR1020150174746
申请日：2015-12-09
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04679 , G01R31/3662 , G01R31/3679 , G01R31/44 , H01M8/04529 , H01M8/04559 , H01M8/04589 , H01M8/04649 , H01M8/04753 , H01M8/1004 , H01M2008/1095
Abstract: 사전설정된저주파수및 고주파수에서의연료전지스택의임피던스를측정하는제1 측정단계; 상기제1 측정단계에서측정된고주파수에서의임피던스가사전설정된제1 임계값보다낮고상기저주파수에서의임피던스가사전설정된제2 임계값보다높은경우, 상기연료전지스택에공급되는연료또는산화제의양을증가시키는출력증가단계; 상기저주파수에서연료전지스택의임피던스를다시측정하는제2 측정단계; 및상기제2 측정단계에서측정된저주파수에서의임피던스가상기제2 임계값보다높은경우, 상기연료전지스택이오염된것으로판단하는오염판단단계를포함하는연료전지스택오염진단방법이개시된다.
Abstract translation: 第一测量步骤，以预定的低频和高频测量燃料电池堆的阻抗; 如果在第一测量阶段测量的高频eseoui阻抗的预定第一低于阈值，则低频eseoui阻抗是预定的第二高于所述阈值，以增加燃料或氧化剂的量供给到燃料电池堆 输出增加步骤; 第二测量步骤，再次测量低频下燃料电池堆的阻抗; 以及污染判定步骤，当所测量的阻抗值高于在第二测量步骤中测量的低频阻抗虚拟基极2的阈值时，判定燃料电池堆被污染。
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公开(公告)号：KR1020160062618A
公开(公告)日：2016-06-02
申请号：KR1020140165612
申请日：2014-11-25
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04641 , G01R31/40 , H01M8/04305 , H01M8/04664 , H01M8/04932 , H01M8/04992 , H01M2008/1095
Abstract: 본발명은연료전지진단장치및 방법에관한것으로, 연료전지등가회로추정을통해연료전지의상태를진단할수 있도록하는기술이다. 이러한본 발명은특정주파수범위에서연료전지의임피던스를측정하는임피던스측정부, 임피던스측정부로부터인가되는임피던스에대응하여기 설정된연료전지등가회로모델을추정하여각 파라미터수치를도출하는등가회로모델부및 등가회로모델부에서도출된상기파라미터수치의변화를검출하여연료전지의상태를진단하는연료전지상태진단부를포함한다.
Abstract translation: 本发明涉及用于诊断燃料电池的装置和方法，更具体地说，涉及通过估计燃料电池的等效电路来诊断燃料电池的状态的技术。 根据本发明的用于诊断燃料电池的装置包括：阻抗测量单元，其测量特定频率范围内的燃料电池的阻抗; 等效电路建模单元，其响应于由阻抗测量单元施加的阻抗来估计预设的燃料电池等效电路模型，并导出各个参数值; 以及燃料电池状态诊断单元，其通过检测由等效电路建模单元导出的参数值的变化来诊断燃料电池的状态。
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公开(公告)号：KR1020150142715A
公开(公告)日：2015-12-23
申请号：KR1020140070475
申请日：2014-06-11
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04492 , G01R31/3651 , G01R31/3662 , H01M8/04559 , H01M8/04589 , H01M8/04649 , H01M8/04753 , H01M8/04761 , H01M8/04992 , H01M2250/20 , Y02T90/32 , H01M8/04313 , H01M8/04246 , H01M8/04664
Abstract: 연료전지스택의상태진단방법이개시된다. 본발명의일 실시예에따른연료전지스택의상태진단방법은연료전지스택에제1 주파수와제2 주파수를갖는전류를동시에인가하는단계, 인가된전류에따라상기연료전지스택에서출력되는전류와전압을푸리에변환하는단계, 변환된출력전류및 전압중 상기제1 주파수및 제2 주파수의전압과전류의진폭과위상을이용하여제1 주파수의임피던스와제2 주파수의임피던스를연산하는단계및 연산된제1 주파수의임피던스와제2 주파수의임피던스의크기에따라상기연료전지스택의상태를진단하는단계를포함한다.
Abstract translation: 公开了一种用于诊断燃料电池堆的状态的方法。 根据本发明的实施例，用于诊断燃料电池堆的状态的方法包括：向燃料电池堆同时施加具有第一频率和第二频率的电流的步骤; 根据施加的电流对从燃料电池堆输出的电流和电压进行傅立叶变换的步骤; 在变换的输出电流和电压之间使用第一频率和第二频率的电压和电流的大小和相位的步骤来计算第一频率的阻抗和第二频率的阻抗; 以及根据计算出的第一频率的阻抗的大小和计算出的第二频率的阻抗来诊断燃料电池堆的状态的步骤。
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Patent Agency Ranking
公开(公告)号：KR101558344B1
公开(公告)日：2015-10-19
申请号：KR1020090116101
申请日：2009-11-27
Applicant: 현대자동차주식회사
Abstract: 본발명의예시적인실시예에따른연료전지스택용셀 전압모니터링단자는, 연료전지스택의단위셀들로부터출력되는전기적출력량을측정하기위한것으로서, ⅰ)상기각 단위셀의분리판단자를사이에두고이의양측에서단자하우징에각각고정되는고정부와, ⅱ)상기고정부와일체로서연결되며, 상기분리판단자에스프링력으로서접촉되는스프링부와, ⅲ)상기고정부에마련되어상기스프링부의탄성변형을실질적으로규제하는규제부를포함하여이루어진다.
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公开(公告)号：KR1020140085803A
公开(公告)日：2014-07-08
申请号：KR1020120155395
申请日：2012-12-27
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단 , 현대오트론 주식회사
CPC classification number: G01R31/40 , G01R31/3606 , H01M8/0432 , H01M8/04559 , H01M8/04589 , H01M8/04679 , Y02E60/50
Abstract: The present invention relates to a fuel cell stack diagnosis system for diagnosing malfunction and state of a fuel cell stack. According to an embodiment of the present invention, a fuel cell stack diagnosis system includes a diagnosis control analyzer for analyzing a state of a fuel cell stack by measuring a voltage and current of the fuel cell stack; an AC signal generator for generating an AC signal for diagnosis according to a control of the diagnosis control analyzer; and an AC component driving device driven according to an AC signal outputted from the AC signal generator to include an AC component for diagnosing a current of the fuel cell stack. The diagnosis control analyzer diagnoses the fuel cell stack on the basis of the current and voltage of the fuel cell stack including the AC component passing a load.
Abstract translation: 本发明涉及用于诊断燃料电池堆的故障和状态的燃料电池堆诊断系统。 根据本发明的实施例，燃料电池堆诊断系统包括：诊断控制分析器，用于通过测量燃料电池堆的电压和电流来分析燃料电池堆的状态; AC信号发生器，用于根据诊断控制分析器的控制产生用于诊断的AC信号; 以及AC分量驱动装置，其根据从AC信号发生器输出的AC信号驱动，以包括用于诊断燃料电池堆的电流的AC分量。 诊断控制分析器基于包括通过负载的AC分量的燃料电池堆的电流和电压来诊断燃料电池堆。
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公开(公告)号：KR1020140085802A
公开(公告)日：2014-07-08
申请号：KR1020120155394
申请日：2012-12-27
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단
CPC classification number: H01M8/04649 , G01R31/3662 , H01M8/04559 , H01M8/04589
Abstract: The present invention relates to a method and system for measuring an impedance of fuel cell stack in order for a state diagnosis of a fuel cell stack, which quickly measure an impedance for a plurality of frequencies of a fuel cell stack by using a sinusoidal signal, obtained by synthesizing different frequencies, as an impedance measurement input signal. According to an embodiment of the present invention, an impedance measurement method for a state diagnosis of a fuel cell stack includes synthesizing a plurality of sinusoidal signals having different frequencies; applying the synthesized signal as a measurement input signal to the fuel cell stack; measuring a current and voltage of the fuel cell stack; converting the measured current and voltage of the fuel cell stack in a set method; and calculating an impedance of the fuel cell stack for the different frequencies on the basis of the current and voltage of the fuel cell stack converted in the set method.
Abstract translation: 本发明涉及一种用于测量燃料电池堆的阻抗的方法和系统，以便通过使用正弦信号快速测量燃料电池堆的多个频率的阻抗来进行燃料电池堆的状态诊断， 通过合成不同的频率获得，作为阻抗测量输入信号。 根据本发明的实施例，用于燃料电池堆状态诊断的阻抗测量方法包括合成具有不同频率的多个正弦信号; 将所述合成信号作为测量输入信号施加到所述燃料电池堆; 测量燃料电池堆的电流和电压; 以设定的方式转换测量的燃料电池堆的电流和电压; 并且根据在所述设定方法中转换的燃料电池堆的电流和电压，计算不同频率的燃料电池堆的阻抗。
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公开(公告)号：KR1020140075983A
公开(公告)日：2014-06-20
申请号：KR1020120143883
申请日：2012-12-11
Applicant: 현대자동차주식회사 , 강남대학교 산학협력단 , 현대오트론 주식회사
CPC classification number: H01M8/04679 , H01M8/04492 , H01M8/04649 , Y02E60/50
Abstract: The method for diagnosing a failure of a fuel cell stack comprises the following steps: supplying a driving current having a first optimal frequency of a first frequency area to diagnose a cell voltage decrease and a second optimal frequency of a second frequency area to diagnose a cause of the cell voltage decrease to a fuel cell stack; calculating a distortion rate based on a voltage of the fuel cell stack according to the driving current of the first optimal frequency; diagnosing the cell voltage decrease based on the calculated distortion rate; calculating impedance based on the voltage and a current of the fuel cell stack according to the driving current of the second optimal frequency; and diagnosing the cause of the cell voltage decrease based on the calculated impedance.
Abstract translation: 用于诊断燃料电池堆故障的方法包括以下步骤：提供具有第一频率区域的第一最佳频率的驱动电流以诊断电池电压降低和第二频率区域的第二最佳频率以诊断原因 的电池电压降低到燃料电池堆; 根据第一最佳频率的驱动电流，计算出基于燃料电池堆的电压的失真率; 基于计算的失真率诊断电池电压降低; 根据第二最佳频率的驱动电流，计算出基于燃料电池堆的电压和电流的阻抗; 并根据计算出的阻抗来诊断电池电压的原因。
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公开(公告)号：KR101316243B1
公开(公告)日：2013-10-08
申请号：KR1020110029198
申请日：2011-03-31
Applicant: 현대자동차주식회사
Abstract: 본 발명은 차량의 운행에 지장을 주지 않고, 차량의 일상적인 운행과정 속에서 차량에 탑재되어 있는 연료전지스택의 전해질막 상태를 신속하고 정확하게 진단할 수 있도록 함으로써, 연료전지차량의 상품성을 더욱 향상시킬 수 있도록 한 연료전지스택의 전해질막 고장 진단 방법을 제공한다.
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