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公开(公告)号：KR101637833B1
公开(公告)日：2016-07-07
申请号：KR1020150068676
申请日：2015-05-18
Applicant: 현대자동차주식회사
Inventor： 추현석
IPC: H01M8/04
CPC classification number: H01M8/04753 , H01M8/02 , H01M8/04089 , H01M8/04238 , H01M8/0488 , H01M8/24 , H01M2008/1095
Abstract: 1)i) 캐소드에공기공급을중단한후 전류를인가하여상기캐소드에수소펌핑반응을발생시키는단계, 및 ii) 상기수소펌핑후에다시상기캐소드에공기를공급하여 OCV(개회로전압)를유지시키는단계를포함하는제1 펄스운전공정; 2) 연료전지스택의극을치환하는극치환공정; 및 3)iii) 극치환후의캐소드에공기공급을중단한후 전류를인가하여상기극치환후의캐소드에수소펌핑반응을발생시키는단계, 및 iv) 상기수소펌핑후에다시상기극치환후의캐소드에공기를공급하여 OCV(개회로전압)를유지시키는단계를포함하는제2 펄스운전공정을포함하는연료전지스택성능회복방법및 이를구현하는장치에관한것이다. 본발명의연료전지스택성능회복방법은, 연료전지스택의사용중에발생한백금표면의산화물및 스택외부에서유입되는 CO 또는황산화물등의불순물을동시에제거할수 있어, 종래리커버리방법에비해회복율및 효율이높아연료전지의수명연장을기대할수 있다.
Abstract translation: 本发明涉及一种用于回收燃料电池堆的性能的方法，所述方法包括：第一脉冲操作过程，其包括步骤i）通过在停止向阴极供应空气之后施加电流在阴极中产生氢气泵送反应， 以及步骤ii）通过在氢泵送之后再次向阴极供应空气来维持开路电压（OCV）; 用于替代燃料电池堆的极点的极性取代过程; 以及第二脉冲操作处理，其包括以下步骤：iii）通过在所述极性取代之后停止向阴极供应空气之后施加电流进行极性取代之后在阴极中产生氢泵送反应，以及iv）通过向所述阴极供应空气来维持OCV 在氢泵送之后再次进行极性取代后的阴极，并且还涉及一种用于回收燃料电池堆的性能的装置。 根据本发明的用于回收燃料电池堆的性能的方法可以同时去除在燃料电池堆的使用期间产生的铂表面上的氧化物和从燃料电池堆的外部引入的诸如CO或硫氧化物的杂质 ，因此比传统的回收方法提供更高的回收率和效率，结果可以期待燃料电池堆的使用寿命的增加。
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公开(公告)号：KR101592391B1
公开(公告)日：2016-02-05
申请号：KR1020130167819
申请日：2013-12-30
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04201 , H01M8/04089 , H01M8/04097 , H01M8/241 , H01M8/2465 , H01M8/2483 , H01M2008/1095 , Y02E60/50
Abstract: 본발명의실시예에의한연료전지스택의수소공급장치는, 고분자전해질막과애노드및 캐소드를포함하는막 전극어셈블리와, 상기막 전극어셈블리의양측에배치되고냉각수유로와공기유로그리고연료유로가형성되고상기공기유로와연통하는공기입구매니폴드가형성되는분리판을포함하는다수의단위셀; 상기다수의단위셀의양단에구비되어상기단위셀을가압체결하고, 상기분리판의공기입구매니폴드와대응하는위치에공기입구매니폴드가형성되는한 쌍의엔드플레이트; 및상기분리판에형성되는공기입구매니폴드와엔드플레이트에형성되는공기입구매니폴드에구비되어상기공기유로를통해상기캐소드에선택적으로수소를공급하는수소공급수단을포함한다.
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公开(公告)号：KR101394686B1
公开(公告)日：2014-05-14
申请号：KR1020120148280
申请日：2012-12-18
Applicant: 현대자동차주식회사
CPC classification number: H01M8/04223 , H01M4/92 , H01M8/04238 , H01M8/04303 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: The present invention relates to a method for recovering the performance of a fuel cell stack and, more particularly, to a method for recovering the performance of a deteriorated polymer electrolyte fuel cell stack by using electrode reversal. The present invention provides a method for recovering the performance of a fuel cell stack, wherein electrode reversal, which generates potential difference between a fuel electrode and an air electrode by supplying air other than a fuel (hydrogen) to a fuel electrode and supplying the fuel (hydrogen) other than the air to an air electrode, is used so that an oxide film which is formed on a platinum surface of the air electrode is effectively removed, thereby recovering the performance of a deteriorated polymer electrolyte fuel cell stack rapidly within a short period of time.
Abstract translation: 本发明涉及一种用于回收燃料电池堆的性能的方法，更具体地说，涉及通过使用电极反转来回收劣化的聚合物电解质燃料电池堆的性能的方法。 本发明提供了一种用于回收燃料电池堆的性能的方法，其中电极反转，其通过向燃料电极提供除了燃料（氢）之外的空气并供应燃料来产生燃料电极和空气电极之间的电位差 （氢）以外，空气极的形成在铂表面上的氧化膜被有效地除去，从而在短时间内快速回收劣化的固体高分子型燃料电池堆的性能 一段的时间。
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公开(公告)号：KR101326484B1
公开(公告)日：2013-11-08
申请号：KR1020120087276
申请日：2012-08-09
Applicant: 현대자동차주식회사
CPC classification number: H01M8/043 , H01M8/00 , H01M8/04126 , H01M8/04223 , H01M2008/1095
Abstract: The main purpose of the present invention relating to a method for the activation of a fuel cell stack is to provide a method for reducing the time of the process for the activation of a fuel cell while decreasing the amount of hydrogen used in the process. For the purpose, provided is a method for the pre-activation of a fuel cell stack comprising the process of sealing and storing a fuel cell stack after supplying hydrogen including water droplets to the cathode of the fuel cell stack by injecting humidified hydrogen including water droplets in the cathode entrance manifold of the fuel cell stack assembled in the process of a stack assembly. [Reference numerals] (AA) Supply hydrogen including water droplets [anode/cathode];(BB) Average voltage / V;(CC) Initial activation degree ��(0.51��.56V @1.2A/cm^2);(DD) ref.) vacuum activation;(EE) (Water droplet + Hydrogen) One day storage + Vacuum activation;(FF) Time/min
Abstract translation: 关于燃料电池堆的激活方法的本发明的主要目的是提供一种减少燃料电池的激活过程的时间的方法，同时减少在该过程中使用的氢的量。 为此目的，提供一种用于预激活燃料电池堆的方法，其包括在通过喷射包含水滴的加湿氢气将包括水滴的氢气供应到燃料电池堆的阴极之后密封和储存燃料电池堆的过程 在堆叠组件的过程中组装的燃料电池堆的阴极入口歧管中。 （AA）供给氢包括水滴[阳极/阴极];（BB）平均电压/ V;（CC）初始活化度 （0.51 .56V@ 1.2A / cm ^ 2）; DD）参考）真空活化;（EE）（水滴+氢）一天存储+真空激活;（FF）时间/分钟
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公开(公告)号：KR101795222B1
公开(公告)日：2017-11-07
申请号：KR1020160031289
申请日：2016-03-16
Applicant: 현대자동차주식회사
Inventor： 추현석
IPC: H01M8/04223 , H01M8/04828 , H01M8/1018
CPC classification number: H01M8/04228 , H01M8/04303 , H01M8/04753 , H01M8/0488 , H01M8/0491 , H01M8/04955 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: 본발명은연료전지스택의활성화시간을단축시키는동시에수소사용량을절감할수 있도록한 순환전압전류법을이용한연료전지가속활성화방법에관한것이다. 즉, 본발명은일정한전류를인가하는고전류구간에특정전위구간을반복적으로인가하는순환전압전류법을적용하여, 연료전지스택의활성화속도를기존에비하여보다빠르게증가시킬수 있도록함으로써, 활성화소요시간및 수소사용량을획기적으로단축시킬수 있는연료전지가속활성화방법을제공하고자한 것이다.
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Patent Agency Ranking
公开(公告)号：KR101734625B1
公开(公告)日：2017-05-11
申请号：KR1020140172412
申请日：2014-12-03
Applicant: 현대자동차주식회사
CPC classification number: H01M8/0485 , H01M8/04223 , H01M8/043 , H01M8/04753 , H01M8/04783 , H01M2008/1095 , H01M2250/20 , Y02P70/56 , Y02T90/32
Abstract: 본발명은전자부하를사용하지않고도연료전지스택을활성화할수 있는연료전지스택의활성화방법으로서, 캐소드의촉매에수소를화학흡착시키는단계; 및스택내부의잔존산소를제거하여스택내부에음압을유지하면서밀봉보관하는단계를포함하는연료전지스택의활성화방법에관한것이다. 본발명에따른연료전지스택의활성화방법에서는전자부하장치를요하지않으므로향후스택생산량의증대에따른활성화장비의증설을요하지않아스택활성화에따른전체연료전지스택의제조속도가감소되는것을방지할수 있으며, 스택활성화를위하여소모되는수소량도크게감소시킬수 있는효과가있다.
Abstract translation: 本发明包括一种方法，用于激活可激活燃料电池堆不使用电子负载，在阴极催化剂的氢的化学吸附的燃料电池堆的步骤; 除去堆中的剩余氧气，从而在保持负压的同时保持堆的内部。 根据本发明所涉及的燃料电池堆的启动方法不需要电子负载，并且可以根据堆叠防止整个燃料电池堆的生产速度使不需要有源器件的膨胀按照在未来堆生产减少的增加， 用于激活堆栈的氢消耗量可以大大减少。
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公开(公告)号：KR101734624B1
公开(公告)日：2017-05-11
申请号：KR1020140172410
申请日：2014-12-03
Applicant: 현대자동차주식회사
Inventor： 추현석
Abstract: 본발명은초기내구성향상을위한연료전지활성화공정에관한것으로서, 상기방법은정전위운전을통하여캐소드측탄소표면에산화피막을형성시키는단계; 전위펄스를이용하여연료전지를활성화시키는단계; 및전위펄스에의한활성화중 생성된캐소드측백금표면의산화물을제거하는단계를포함한다. 본발명의연료전지활성화공정은연료전지의초기내구성을향상시켜연료전지의수명연장화에기여할수 있다.
Abstract translation: 本发明涉及一种用于改善初始耐久性的燃料电池活化方法，包括以下步骤：通过银电位操作在阴极侧碳表面上形成氧化膜; 使用电位脉冲激活燃料电池; 并通过电位脉冲去除激活期间产生的阴极侧铂表面的氧化物。 本发明的燃料电池活化过程可以通过改善燃料电池的初始耐久性而有助于延长燃料电池的寿命。
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公开(公告)号：KR101372081B1
公开(公告)日：2014-03-07
申请号：KR1020120077106
申请日：2012-07-16
Applicant: 현대자동차주식회사
Abstract: 본 발명은 연료전지 스택용 분리판의 전압 단자대 정렬장치에 관한 것으로서, 더욱 상세하게는 연료전지 스택의 분리판에 형성된 전압 단자대가 휘어지는 등의 변형되는 현상을 방지할 수 있도록 한 연료전지 스택용 분리판의 전압 단자대 정렬장치에 관한 것이다.
즉, 본 발명은 빗 모양으로 된 다수의 정렬가이드 핀을 구비하여, 분리판의 외끝단에 일체로 된 다수의 전압측정 단자대 사이에 각각 삽입 배열시킴으로써, 전압측정 단자대의 양측면을 정렬가이드 핀이 받쳐주며 지지해주게 되므로, 연료전지 스택의 분리판에 형성된 전압 단자대가 휘어지는 등의 변형 현상을 용이하게 방지할 수 있는 연료전지 스택용 분리판의 전압 단자대 정렬장치를 제공하고자 한 것이다.-
公开(公告)号：KR1020140017364A
公开(公告)日：2014-02-11
申请号：KR1020120084329
申请日：2012-08-01
Applicant: 현대자동차주식회사
CPC classification number: H01M8/04 , H01M8/04223 , H01M8/04238 , H01M8/241 , H01M2008/1095
Abstract: The present invention relates to a method for recovering the performance of a fuel cell and more specifically, to a method for partially recovering the performance of a deteriorated macromolecular fuel cell. Namely, provided in the present invention is a method for recovering the catalyst characteristics of a cathode to a recyclable degree, by providing hydrogen to the cathode of a cell stack for a predetermined time and detaining the hydrogen for another predetermined time, to eliminate an oxide formed on the surface of platinum (Pt), at the same time, to reprecipitate the platinum. [Reference numerals] (AA) Average voltage / V; (BB) After disposing a stack; (CC) After the 1st recovery : Example 1; (DD) After the 2nd recovery : Example 2; (EE) After the 3rd recovery : Example 3; (FF) Cell number
Abstract translation: 本发明涉及一种用于回收燃料电池性能的方法，更具体地说，涉及一种部分回收劣化的大分子燃料电池的性能的方法。 即，本发明中提供的方法是将阴极的催化剂特性回收到可回收的程度，通过在预定时间内向电池堆的阴极提供氢，并将氢滞留另一预定时间，以消除氧化物 在铂（Pt）的表面上形成，同时再次沉淀铂。 （标号）（AA）平均电压/ V; （BB）处理堆栈后 （CC）第一次恢复后：实施例1; （DD）第二次恢复后：实施例2; （EE）第3次回收后：实施例3; （FF）单元号
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公开(公告)号：KR1020130010414A
公开(公告)日：2013-01-28
申请号：KR1020110071201
申请日：2011-07-18
Applicant: 현대자동차주식회사
IPC: H01M8/04119 , H01M8/04828 , B60L11/18 , H01M8/1018
CPC classification number: H01M8/04126 , H01M8/04753 , H01M8/04835 , H01M8/04895 , Y02E60/50 , B60L11/1881 , H01M2008/1095
Abstract: PURPOSE: An apparatus and method of activating a fuel cell stack is provided to remarkably reduce hydrogen consumption for activation by sufficiently improving ion conductivity in comparison with conventional activation processes. CONSTITUTION: A method of activating a fuel cell stack comprises a high humidifying open circuit voltage operation step humidifying the fuel cell stack and operating the fuel cell stack in an open circuit voltage state, and a vacuum wetting step wetting the surface of a polymer electrolyte membrane by forming a vacuum atmosphere inside the stack. An apparatus of activating a fuel cell stack comprises: an activator main body which consists of a hydrogen supply device, air supply device, and a humidifier; and a controller controlling the activator main body. The high humidifying open circuit voltage operation step and the vacuum wetting step are alternately conducted. [Reference numerals] (1) High humidifying open circuit voltage(OCV) operation for introducing droplet into a stack; (2) Wetting by forming a vacuum atmosphere in the stack; (3) Applying load for early consuming remaining gas(5A); (AA) High humidifying OCV operation for 3 minutes; (BB) Vacuum wetting for 3 minutes; (CC) Repeating 9 times; (DD) Terminating activation
Abstract translation: 目的：提供一种激活燃料电池堆的装置和方法，与传统的活化方法相比，通过充分提高离子电导率，显着降低了活化氢消耗。 构成：激活燃料电池堆的方法包括：加湿开路电压操作步骤，加热燃料电池堆并在开路电压状态下操作燃料电池堆;以及润湿聚合物电解质膜表面的真空润湿步骤 通过在堆内形成真空气氛。 一种启动燃料电池堆的装置，包括：一个由氢气供应装置，供气装置和一个加湿器组成的活化器主体; 以及控制所述激活器主体的控制器。 交替地进行高加湿开路电压操作步骤和真空润湿步骤。 （附图标记）（1）将液滴引入到堆叠中的高加湿开路电压（OCV）操作; （2）通过在堆叠中形成真空气氛进行润湿; （3）对早期消耗的剩余气体（5A）施加负荷; （AA）高加湿OCV操作3分钟; （BB）真空润湿3分钟; （CC）重复9次; （DD）终止激活
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