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公开(公告)号：KR101986783B1
公开(公告)日：2019-06-07
申请号：KR1020170162094
申请日：2017-11-29
Applicant: 에이스크리에이션(주) , 현대자동차주식회사 , 기아자동차주식회사
IPC: H01M8/0228 , H01M8/0226 , H01M8/0258
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公开(公告)号：KR100805445B1
公开(公告)日：2008-02-20
申请号：KR1020060121524
申请日：2006-12-04
Applicant: 현대자동차주식회사
Inventor： 조장호
CPC classification number: H01M8/04201 , B60L11/1883 , H01M8/04228 , H01M2250/20 , Y02E60/50 , Y02T90/34
Abstract: A hydrogen supply system for shut-down in a fuel cell vehicle is provided to prevent deterioration of a stack with time after the shut-down of a fuel cell vehicle by maintaining an anode and a cathode at a low potential. A hydrogen supply system for shut down in a fuel cell vehicle including hydrogen tank(2), an air supplying unit and a stack for generating electric energy by reacting hydrogen and oxygen supplied from the hydrogen tank and the air supplying unit, respectively, comprises: a hydrogen feeding line(100) linked to the hydrogen tank and the stack, and comprising a first control valve(110) for controlling the feed of hydrogen gas from the hydrogen tank, and a first pressure regulator (120) for regulating the pressure of hydrogen supplied to the stack via the first control valve; a shut-sown hydrogen line(200) comprising a second control valve(210) whose one end is branched from the line preceding the first control valve and the other end is linked to the hydrogen feeding line between the first pressure regulator and the stack so as to control turning on/off of the feed of hydrogen from the hydrogen tank while the first valve is turned off upon the shut-down of the fuel cell vehicle, and a second pressure regulator(220) disposed in front of the second control valve for stably controlling the pressure of hydrogen supplied through the first control valve; and a control unit(300) for interrupting the feeding of hydrogen from the hydrogen feeding line upon the shut-down of the vehicle and for causing the hydrogen to be supplied through the shut-down hydrogen line.
Abstract translation: 提供了一种用于在燃料电池车辆中关闭的氢气供应系统，以通过将阳极和阴极维持在低电位来防止燃料电池车辆关闭之后的堆叠的劣化。 一种用于关闭燃料电池车辆的氢气供给系统，分别包括氢罐（2），空气供应单元和用于通过氢气和氧气从氢气罐和空气供给单元供应的氧气产生电能的堆叠， 连接到氢罐和堆的氢气供给管线（100），并且包括用于控制来自氢罐的氢气进料的第一控制阀（110）和用于调节氢气的压力的第一压力调节器（120） 通过第一控制阀向堆叠供应氢; 一个封闭的氢气管线（200），包括一个第二控制阀（210），其一端从第一控制阀之前的管线分支，另一端与第一压力调节器和堆之间的氢气供给管线相连接 控制在燃料电池车辆关闭时第一阀关闭时控制氢气供给的开/关，以及设置在第二控制阀前面的第二压力调节器（220） 用于稳定地控制通过第一控制阀供应的氢气的压力; 以及控制单元（300），用于在车辆关闭时中断从供氢管路供给氢气，并且通过关闭氢气管线供应氢气。
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公开(公告)号：KR1020090119069A
公开(公告)日：2009-11-19
申请号：KR1020080044898
申请日：2008-05-15
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04104 , H01M8/04228 , H01M8/04231 , Y02E60/50
Abstract: PURPOSE: A method for accelerating activation of a fuel cell is provided to ensure high activation of a platinum catalyst by removing an oxide coating formed on the platinum catalyst through formation of reducing atmosphere according to the hydrogen diffusion in an air electrode. CONSTITUTION: A method for accelerating activation of a fuel cell comprises the steps of: supplying hydrogen to a fuel electrode(12) of a fuel cell stack and simultaneously stopping air to a cathode(14); exhausting the current generated in a fuel cell stack(10) through a current exhaust unit; forming a reducing atmosphere to the cathode by diffusing the hydrogen supplied to the fuel anode through a electrolyte film(16); and removing an oxide film formed on the fuel anode and cathode catalyst layer.
Abstract translation: 目的：提供一种用于加速燃料电池的激活的方法，以通过根据空气电极中的氢扩散形成还原气氛来除去形成在铂催化剂上的氧化物涂层来确保铂催化剂的高活性。 构成：用于加速燃料电池的激活的方法包括以下步骤：向燃料电池堆的燃料电极（12）供应氢并同时阻止空气流到阴极（14）; 排出在燃料电池堆（10）中通过电流排气单元产生的电流; 通过使供给到燃料阳极的氢通过电解质膜（16）扩散而向阴极形成还原性气氛; 以及去除形成在燃料阳极和阴极催化剂层上的氧化膜。
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公开(公告)号：KR101905971B1
公开(公告)日：2018-10-08
申请号：KR1020160116247
申请日：2016-09-09
Applicant: 현대자동차주식회사
IPC: H01M8/0232 , H01M8/0245 , H01M8/1004
CPC classification number: H01M8/04089 , H01M8/023 , H01M8/0232 , H01M8/1004 , H01M2008/1095 , Y02P70/56
Abstract: 본발명은연료전지및 그제조방법에관한것으로서, 금속발포체의높은표면조도로인한막-전극접합체의손상을방지함으로써종래의개회로전압손실의문제를개선할수 있는연료전지및 그제조방법을제공하는데주된목적이있는것이다. 상기한목적을달성하기위해, 전해질막의일면에제1 전극층이형성되고상기전해질막의타면에제2 전극층이형성된막-전극접합체; 발포성형한금속발포체가압축된압축상태의발포체로서, 상기제1 전극층과제2 전극층중 적어도하나의전극층에적층되고, 반응기체를내부기공을통해상기적어도하나의전극층으로공급하는금속발포체; 및상기금속발포체에적층되는분리판;을포함하는연료전지, 및그 제조방법이개시된다.
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公开(公告)号：KR20180028657A
公开(公告)日：2018-03-19
申请号：KR20160116247
申请日：2016-09-09
Applicant: 현대자동차주식회사
IPC: H01M8/0232 , H01M8/0245 , H01M8/1004
CPC classification number: H01M8/04089 , H01M8/0232 , H01M2008/1095
Abstract: 본발명은연료전지및 그제조방법에관한것으로서, 금속발포체의높은표면조도로인한막-전극접합체의손상을방지함으로써종래의개회로전압손실의문제를개선할수 있는연료전지및 그제조방법을제공하는데주된목적이있는것이다. 상기한목적을달성하기위해, 전해질막의일면에제1 전극층이형성되고상기전해질막의타면에제2 전극층이형성된막-전극접합체; 발포성형한금속발포체가압축된압축상태의발포체로서, 상기제1 전극층과제2 전극층중 적어도하나의전극층에적층되고, 반응기체를내부기공을통해상기적어도하나의전극층으로공급하는금속발포체; 및상기금속발포체에적층되는분리판;을포함하는연료전지, 및그 제조방법이개시된다.
Abstract translation: 本发明公开了一种燃料电池，其包括：膜电极组件，其包括形成在电解质层一侧的第一电极层和形成在电解质层另一侧的第二电极层，金属成型体在成型后压缩，金属成型体 堆叠在第一和第二电极层中的至少一个上，金属成形体通过内孔向至少一个电极层供应反应气体，以及叠置在金属成形体上的双极板。
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Patent Agency Ranking
公开(公告)号：KR101394870B1
公开(公告)日：2014-05-13
申请号：KR1020130069798
申请日：2013-06-18
Applicant: 현대자동차주식회사
Abstract: The present invention relates to a power control method of a fuel cell for improving a cell voltage drop rate of the fuel cell in a constant power operation of the fuel cell. The power control method of the fuel cell is characterized in that a fuel cell power generation unit with at least a pair of fuel cells applies a fluctuating load having a sinusoidal pattern to a first fuel cell and a second fuel cell composing the pair of fuel cells to control the output of each fuel cell into a sinusoidal direct current.
Abstract translation: 本发明涉及燃料电池的功率控制方法，该燃料电池用于在燃料电池的恒定功率运行中提高燃料电池的电池电压降率。 燃料电池的功率控制方法的特征在于，具有至少一对燃料电池的燃料电池发电单元将具有正弦曲线图的波动负载应用于构成所述一对燃料电池的第一燃料电池和第二燃料电池 以将每个燃料电池的输出控制为正弦直流电流。
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公开(公告)号：KR1020060070585A
公开(公告)日：2006-06-26
申请号：KR1020040109097
申请日：2004-12-21
Applicant: 현대자동차주식회사
Inventor： 조장호
IPC: H01M8/02
CPC classification number: H01M8/0273 , Y02E60/50
Abstract: 본 발명은 연료전지용 가스켓에 관한 것으로서, 더욱 상세하게는 평판형 가스켓의 표면에 요철을 형성함으로써, 연료전지 스택에서 기존의 평판형 가스켓의 장점을 그대로 유지하면서 기존의 평판형 가스켓보다 향상된 기밀성을 얻을 수 있도록 한 연료전지용 가스켓에 관한 것이다.
이를 위해, 본 발명은 연료전지용 평판형 가스켓에 있어서,
상기 가스켓의 전후표면에 요철이 형성된 연료전지용 가스켓을 제공한다.
연료전지, 평판형 가스켓, 요철-
公开(公告)号：KR101013860B1
公开(公告)日：2011-02-14
申请号：KR1020080117433
申请日：2008-11-25
Applicant: 현대자동차주식회사
Abstract: 본 발명은 연료전지 시스템의 워터트랩내 응축수 배출 제어 방법에 관한 것으로서, 더욱 상세하게는 연료전지의 운전에 따른 전류적산값이 임계값에 도달하면 연료극의 응축수가 모이는 워터트랩의 드레인밸브를 소정의 시간 동안 개방시킴으로써, 워터트랩내의 응축수를 용이하게 배출시킬 수 있도록 한 연료전지 시스템의 워터트랩내 응축수 배출 제어 방법에 관한 것이다.
이를 위해, 본 발명은 연료전지 스택의 운전에 따른 발생전류를 적산하는 전류적산값 계산 단계와; 상기 전류적산값을 미리 설정된 전류적산 임계값과 비교하는 단계와; 상기 전류적산값이 전류적산 임계값보다 크면 드레인 밸브를 개방시켜, 워터트랩내의 응축수가 배출되는 단계와; 상기 드레인 밸브가 미리 설정된 개방시간 동안만 개방된 후, 닫힘으로 제어되는 단계; 를 포함하는 것을 특징으로 하는 연료전지 시스템의 워터트랩내 응축수 배출 제어 방법을 제공한다.
연료전지, 연료극, 응축수, 워터트랩, 전류적산값, 전류적산 임계값, 드레인 밸브-
公开(公告)号：KR1020100058867A
公开(公告)日：2010-06-04
申请号：KR1020080117433
申请日：2008-11-25
Applicant: 현대자동차주식회사
CPC classification number: H01M8/04156 , H01M8/04589 , H01M8/0491 , Y02E60/50
Abstract: PURPOSE: A water discharge controlling method from a water trap in a fuel cell system is provided to reduce the cost for a maximum water level sensor using the accumulated current value by the operation of the fuel cell, and to accurately discharge condensed water. CONSTITUTION: A water discharge controlling method from a water trap in a fuel cell system comprises the following steps: calculating the accumulated current value integrating the current generated from an operation of a fuel cell stack; comparing the accumulated current value with predetermined current accumulation critical value; discharging condensed water inside the water trap(10) by opening a drain valve(16) when the accumulated current value is bigger than the predetermined current accumulation critical value; and closing the drain valve after a pre-fixed time.
Abstract translation: 目的：提供一种从燃料电池系统中的集水器排出的排水控制方法，通过燃料电池的运转来降低使用累积电流值的最大水位传感器的成本，并精确地排出冷凝水。 构成：燃料电池系统中的捕集阱的排水控制方法，包括以下步骤：计算积分从燃料电池堆的动作产生的电流的积分电流值; 将累积的电流值与预定的电流累积临界值进行比较; 当所述累积电流值大于所述预定电流累积临界值时，通过打开排水阀（16）来在所述集水器（10）内排出冷凝水; 并在预先固定的时间后关闭排水阀。
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公开(公告)号：KR101575416B1
公开(公告)日：2015-12-21
申请号：KR1020130147236
申请日：2013-11-29
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04029 , H01M8/04059 , H01M8/04134
Abstract: 본발명은연료전지냉각장치및 이를이용한냉각방법으로서, 연료전지의스택내에설치되어스택의온도를낮추는역할을수행하는증발냉각부, 증발냉각부에서사용할냉각물질을공기와함께분사하는인젝터, 인젝터에압력을가하는펌프, 증발냉각부로부터증발된냉각물질이연료전지의스택의캐소드로이동할수 있도록통로를제공하는관로를포함하는것을특징으로한다.
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