-
公开(公告)号：KR1020120096615A
公开(公告)日：2012-08-31
申请号：KR1020110015795
申请日：2011-02-23
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A detecting method of a catalyst for fuel cell stack is provided to have short detection time, and to not need a separate test for judging a state of a catalyst layer of a fuel cell stack. CONSTITUTION: A detecting method of a catalyst for fuel cell stack comprises: a step of calculating a difference between a stack average voltage and a minimum cell voltage in two or more specific current range; a step of calculating average DV1 by deriving difference between stack average voltage and minimum voltage in one specific current range; a step of calculating average DV2 by deriving difference between stack average voltage and minimum voltage in another specific current range; and in case average DV2 > average DV1+b, a step of judging malfunction of a catalyst in a specific cell generating a minimum cell voltage.
Abstract translation: 目的：提供一种用于燃料电池堆的催化剂的检测方法以具有短的检测时间，并且不需要单独的用于判断燃料电池堆的催化剂层的状态的测试。 构成：燃料电池堆催化剂的检测方法包括：计算两个以上特定电流范围内的堆叠平均电压与最小电池电压之差的步骤; 通过导出一个特定电流范围内的堆叠平均电压和最小电压之间的差来计算平均DV1的步骤; 通过导出另一特定电流范围内的堆叠平均电压和最小电压之间的差来计算平均DV2的步骤; 并且在平均DV2>平均DV1 + b的情况下，判断产生最小单元电压的特定单元中的催化剂的故障的步骤。
-
公开(公告)号：KR1020120000634A
公开(公告)日：2012-01-04
申请号：KR1020100060985
申请日：2010-06-28
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A method for controlling a fuel cell system is provided to efficiently increase the temperature of a stack without using a heater or reducing the amount of heater usage. CONSTITUTION: A method for controlling fuel cell system comprises: a step of calculating whether a stack temperature while being supplied to a reaction gas detected by a temperature sensor, is lower than a warm-up target operation temperature; and a step of increasing the stack temperature by increasing cooling water flux and the stack heating amount by operating a cooling pump at a maximum rotating speed, in case the stack temperature is lower than the warm-up target operation temperature.
Abstract translation: 目的：提供一种用于控制燃料电池系统的方法，以在不使用加热器或减少加热器使用量的情况下有效地提高堆的温度。 一种控制燃料电池系统的方法，其特征在于包括以下步骤：计算供给由温度传感器检测的反应气体的堆温度是否低于预热目标运转温度; 以及在堆温度比预热目标操作温度低的情况下，通过以最大转速操作冷却泵来增加冷却水通量和堆加热量来增加堆温度的步骤。
-
公开(公告)号：KR1020110062347A
公开(公告)日：2011-06-10
申请号：KR1020090119045
申请日：2009-12-03
Applicant: 현대자동차주식회사
CPC classification number: Y02P70/56
Abstract: PURPOSE: A cell voltage monitoring structure of a fuel cell stack is provided to facilitate the assembly of a connector used for voltage measurement while having a simple separator structure, and to reduce assembling errors. CONSTITUTION: A cell voltage monitoring structure of a fuel cell stack comprises: a measurement protrusion part(3) formed by protruding a part of the outer circumstance of a separator(1); a first connector(5) and a second connector(7) which respectively have at least one a terminal electrically connected to the measurement protrusion part and are coupled by the relative displacement of the direction perpendicular to the direction in which measurement protrusions are laminated in order to protect the measurement protrusion.
Abstract translation: 目的：提供燃料电池堆的电池电压监视结构，以便于具有简单的分离器结构的用于电压测量的连接器的组装，并且减少组装误差。 构成：燃料电池堆的电池电压监视结构包括：通过突出隔板（1）的外部环境形成的测量突起部分（3）; 第一连接器（5）和第二连接器（7），其分别具有至少一个电连接到测量突起部分的端子，并且通过垂直于测量突起层叠方向的方向的相对位移 以保护测量突起。
-
公开(公告)号：KR100999264B1
公开(公告)日：2010-12-07
申请号：KR1020080117600
申请日：2008-11-25
Applicant: 주식회사 현대케피코 , 현대자동차주식회사
CPC classification number: Y02T90/121
Abstract: 본 발명은 차량용 연료전지 스택의 셀 전압 측정용 커넥터에 관한 것으로, 분리판에 형성된 단자를 수용하는 형성된 하우징(20)과, 상기 하우징(20)에 결합되어 연결단자(40)의 조립강도를 높이는 TPA(30)와, 상기 하우징(20)에 삽입되어 분리판(10)의 단자(11)에 접속되되 탄성편으로 이루어진 접속편(41ca,41da)과 지지편(41cb,41db)을 갖추어 차량 주행 진동에도 불구하고 견고한 접속상태를 유지할 수 있도록 된 연결단자(40)으로 이루어진다.
따라서, 차량 진동에 의한 영향이 최소화되어 보다 정확한 전압값을 측정할 수 있게 된다.
연료전지 스택, 셀 전압, 커넥터, 금속 분리판-
公开(公告)号：KR100901563B1
公开(公告)日：2009-06-08
申请号：KR1020070094100
申请日：2007-09-17
Applicant: 현대자동차주식회사
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: 본 발명은 연료전지용 고분자-금속 복합구조 엔드플레이트 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 고분자 구조물의 용융 성형시 금속프레임을 삽입하여 단일 공정으로 성형함으로써, 고분자 구조물과 금속프레임을 일체화시킨 연료전지용 고분자-금속 복합구조 엔드플레이트 및 이의 제조방법에 관한 것이다.
이를 위해, 본 발명은 내부에 삽입된 금속프레임과, 상기 금속프레임의 외표면을 감싸는 고분자-유리섬유 복합재 구조체를 포함하여 구성된 것을 특징으로 하는 연료전지용 고분자-금속 복합구조 엔드플레이트 및 이의 제조방법을 제공한다.
고분자, 금속, 유리섬유, 복합재, 엔드플레이트-
Patent Agency Ranking
公开(公告)号：KR100883246B1
公开(公告)日：2009-02-10
申请号：KR1020070106227
申请日：2007-10-22
Applicant: 현대자동차주식회사
IPC: H01M8/02
Abstract: An electricity collecting apparatus for a fuel cell stack is provided to secure oscillatory stability, to simplify an assembling process and to reduce electric contact resistance and the resistance loss of a current collector. An electricity collecting apparatus for a fuel cell stack comprises a busbar(100) drawing out the electricity to the outside, a current collector(200) collecting the electricity, an end plate(300) for screwing stack, drawing rod(10) and a contactor(30) of a plate spring shape. The drawing rod is connected to the current collector through the end plate, is electrically connected to a busbar with an attaching/detaching method and has a mounting groove part. The contactor is installed at the mounting groove part and the busbar of the drawing rod to draw the electricity applied from the current collector to the outside through a busbar.
Abstract translation: 提供一种用于燃料电池堆的电力收集装置以确保振荡稳定性，以简化组装过程并减少集电器的电接触电阻和电阻损耗。 一种用于燃料电池堆的集电装置，包括：向外部引出电力的母线（100），收集电力的集电体（200），用于旋转叠层的端板（300），拉杆（10）和 板簧形状的接触器（30）。 拉杆通过端板连接到集电器，通过安装/拆卸方式电连接到母线，并具有安装槽部分。 接触器安装在拉杆的安装槽部分和母线上，通过母线将从集电器施加的电力吸引到外部。
-
公开(公告)号：KR1020090006553A
公开(公告)日：2009-01-15
申请号：KR1020070069994
申请日：2007-07-12
Applicant: 주식회사 현대케피코 , 현대자동차주식회사
CPC classification number: G01R31/3658 , G01R31/3696 , H01M8/04552
Abstract: A voltage measuring device of a vehicle fuel cell stack is provided to precisely measure a voltage in spite of the vibration of a vehicle body by stably keeping a contact state between separation plates and a connector and an insulation state of the separation plates. A rectangular terminal fixing element(20) has a connector mounting groove in a top surface and penetrated terminal fixing holes formed at the same interval with that of terminals(11) of separation plates(10) stacked uniformly. A connector(30) has a rectangular housing(31) to be inserted into the connector mounting groove and terminals(32) formed of elastic metal pieces disposed in pair and contacting the terminals of the separation plates. An ECU(40) is mounted on the connector and has terminal insertion holes(41) for inserting the terminals of the connector.
Abstract translation: 提供车辆燃料电池堆的电压测量装置，以通过稳定地保持分离板和连接器之间的接触状态以及分离板的绝缘状态来精确地测量车体的振动的电压。 矩形端子固定元件（20）在上表面具有连接器安装槽，并且穿透与以均匀堆叠的分离板（10）端子（11）相同间隔形成的端子固定孔。 连接器（30）具有插入到连接器安装槽中的矩形壳体（31）和由成对设置并与分隔板的端子接触的弹性金属片形成的端子（32）。 ECU（40）安装在连接器上，并具有用于插入连接器端子的端子插入孔（41）。
-
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。
-
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.
-
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。
-
-
-
-
-
-
-
-
-
Search Results
64
records
(took 0.025 seconds)
