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公开(公告)号：KR101575364B1
公开(公告)日：2015-12-08
申请号：KR1020090118157
申请日：2009-12-02
Applicant: 현대자동차주식회사
Abstract: 본발명은차량용연료전지의물 제거장치및 방법에관한것으로서, 시스템비용을상승시키는바이패스라인이나감압펌프등 장치의추가및 사용없이연료전지의셧다운과정에서연료전지스택의셀 내에존재하는물을신속히제거하여냉시동성을향상시킬수 있는장치및 방법에관한것이다. 이를위해, 본발명은, 연료전지스택의캐소드전극및 애노드전극에연결되어캐소드전극과애노드전극사이에물의전기분해를위한전류를인가하는전류인가장치와; 연료전지스택의셀 전압을검출하기위한셀 전압검출부와; 상기셀 전압검출부에의해검출되는셀 전압을모니터링하면서전류인가시셀 전압이전극의촉매부식방지를위해설정된기준전압이상이되지않도록상기전류인가장치의전류출력을제어하는제어기;를포함하는차량용연료전지의물 제거장치를제공한다.
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公开(公告)号：KR101575362B1
公开(公告)日：2015-12-08
申请号：KR1020090115450
申请日：2009-11-26
Applicant: 현대자동차주식회사
Abstract: 본발명은연료전지차량의충돌사고등과같은비정상상태발생시연료가스누출및 고전압으로인한위험을방지할수 있는연료전지차량용스택안전제어장치및 방법에관한것이다. 본발명은소용량의비활성기체및 액체가충진된유체저장유닛을차량에장착하고, 상기유체저장유닛에서비활성유체가스택및 가스배관에유입될수 있도록유체공급배관및 개폐밸브를추가로설치함으로써, 차량충돌시제어유닛이개폐밸브를개방하여비활성유체가스택및 가스배관에유입되면서잔류가스를희석시키고, 수소출구밸브를통해희석가스를배출시킴으로써, 스택의고전압을저감하여차량의안전성을확보할수 있는연료전지차량용스택안전제어장치를제공한다. 또한, 본발명은상기유체공급배관을통해유입된비활성유체가수소입구밸브의개방에의하여지속적으로유입될수 있는수소의유입을차단할수 있고, 수소출구측에안전밸브및 바이패스배관이장착되어수소출구밸브의고장발생시상기희석가스를배출시켜차량의안전성을확보할수 있다.
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公开(公告)号：KR101405374B1
公开(公告)日：2014-06-12
申请号：KR1020080040676
申请日：2008-04-30
CPC classification number: Y02P70/56
Abstract: 본 발명은, 전기 화학 반응을 일으키는 전극과 전기 화학 반응에 의해 발생된 이온을 전달하는 전해질막을 구비하는 전극 전해질 접합체와, 전극 전해질 접합체를 지지하며 전기적으로 서로 절연되는 복수개의 세그먼트를 포함하는 분리판을 포함하는 연료 전지에 관한 것이다. 이에 의하여, 분리판이 전기적으로 서로 절연된 복수개의 세그먼트를 포함함으로써, 각 세그먼트 마다 성능 평가가 가능하게 된다.
연료 전지, 절연, 세그먼트-
公开(公告)号：KR1020120056597A
公开(公告)日：2012-06-04
申请号：KR1020100118218
申请日：2010-11-25
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A fuel cell stack is provided to efficiently manage heat generated during operation of unit cells, and to uniformly control the temperature of unit cells independently, thereby improving the performance of whole stack, and durability. CONSTITUTION: A fuel cell stack comprises many unit cells(1) arranged to be adhered with a separator(5) around a membrane-electrode assembly(3). Between the unit cells, a coolant passage(9) is formed. A thermoelectric element(10) formed in a side of the coolant passage for heating and cooling the unit cells by direction change of current. A temperature sensor(31) is installed in each unit cell. The thermoelectric element is formed by assembling a diode type semiconductor between a pair of electroconductive plates.
Abstract translation: 目的：提供燃料电池堆，以有效地管理单位电池运行过程中产生的热量，并独立地统一控制单元电池的温度，从而提高整个堆叠的性能和耐久性。 构成：燃料电池堆包括许多单元电池（1），其布置成在膜 - 电极组件（3）周围附着有隔板（5）。 在单元电池之间形成冷却剂通道（9）。 形成在冷却剂通路一侧的热电元件（10），用于通过电流的方向改变来加热和冷却单元电池。 温度传感器（31）安装在每个单元电池中。 热电元件通过在一对导电板之间组装二极管型半导体而形成。
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公开(公告)号：KR101091661B1
公开(公告)日：2011-12-08
申请号：KR1020070060912
申请日：2007-06-21
CPC classification number: H01M8/04089 , H01M8/0441 , H01M8/04753 , H01M8/04761 , Y10T137/7837
Abstract: 이를위해, 본발명은 a)연료전지의동작이중지된이후에공기블로워가공기공급원으로부터받은공기를연료전지에공급하는단계; b)상기연료전지내의공기압력을측정하는압력센서에서설정압력값도달여부를감지하는단계; c)상기설정압력값에도달하면제어부에서상기공기블로워와, 공기배기배관에설치되어공기배기배관의공기흐름을개폐하는공기배기솔레노이드밸브에대해제어신호를전달하는단계; d)상기제어신호를받으면상기공기블로워는연료전지내에공기공급을멈추고, 상기공기배기솔레노이드밸브는닫혀서연료전지내 산소가모두소진되도록제어하는단계; 를포함하여구성되어애노드측의수소/산소계면형성을억제하는것을특징으로하는연료전지용캐소드의카본부식억제방법을제공한다.
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Patent Agency Ranking
公开(公告)号：KR1020110019688A
公开(公告)日：2011-02-28
申请号：KR1020090087253
申请日：2009-09-15
Applicant: 현대자동차주식회사 , 더 펜 스테이트 리서어치 파운데이션
CPC classification number: H01M8/04179 , H01M8/04141 , H01M8/045 , H01M8/04507 , H01M8/04514 , H01M8/04522 , H01M8/04835 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: PURPOSE: A method for removing water from a fuel cell is provided to control the moisture of purge gas for supplying anode and cathode and to effectively remove water. CONSTITUTION: A method for removing residual water from a fuel cell is to selectively reduce the water amount in a membrane(102) and fuel cell. The purge gas is supplied to an anode and water amount is reduced from the fuel cell. The water amount in the fuel cell is selectively controlled before starting purge by being controlled during driving the fuel cell.
Abstract translation: 目的：提供一种从燃料电池中除去水分的方法，以控制用于供应阳极和阴极的净化气体的水分并有效去除水分。 构成：从燃料电池去除残留水的方法是选择性地减少膜（102）和燃料电池中的水量。 净化气体被供应到阳极，并且水量从燃料电池减少。 燃料电池中的水量在驱动燃料电池期间通过控制而在启动吹扫之前被选择性地控制。
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公开(公告)号：KR1020100021049A
公开(公告)日：2010-02-24
申请号：KR1020080079752
申请日：2008-08-14
Applicant: 현대자동차주식회사 , 순천대학교 산학협력단
CPC classification number: H01M8/04679 , B60L11/1883 , H01M8/04365 , H01M8/04395 , H01M8/045 , H01M8/04559 , H01M2250/20 , Y02E60/50 , Y02T90/34
Abstract: PURPOSE: A method for preventing the deterioration of a fuel cell is provided to effectively prevent the deterioration of an electrolyte film in a fuel cell stack loaded in a fuel cell vehicle and to improve the performance and durability of a stack. CONSTITUTION: A method for preventing the deterioration of a fuel cell comprises the following steps of: (S101) measuring the fluoride concentration and pH value forlevel of stack effluent coming outexpelled from a fuel cell stack and measuring the flux of stack effluent; (S105) determining the deterioration possibility of the electrolyte film by producing a fluorine flow rate based on the measured fluorine ion concentration or pH value level and flow velocity data of stack effluent; (S109) confirming a deterioration acceleration factor by measuring operation voltage and temperature of a stack, relative humidity of reaction gas provided to the stack, and oxygen partial pressure among air provided to the stack, through sensors; and (S113) controlling the driving condition of the stack and vehicles.
Abstract translation: 目的：提供一种防止燃料电池劣化的方法，以有效地防止燃料电池车辆中装载的燃料电池堆中的电解质膜的劣化，提高堆叠的性能和耐久性。 构成：用于防止燃料电池劣化的方法包括以下步骤：（S101）测量从燃料电池堆排出的堆流出物的水平的氟化物浓度和pH值，并测量堆流出物的通量; （S105）基于所测量的氟离子浓度或pH值水平和堆流出物的流速数据产生氟流量来确定电解质膜的劣化可能性; （S109），通过传感器测量堆叠的工作电压和温度，提供给堆叠的反应气体的相对湿度和提供给堆叠的空气中的氧分压，确认劣化加速因子; （S113）控制堆垛和车辆的行驶状态。
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公开(公告)号：KR1020090097982A
公开(公告)日：2009-09-17
申请号：KR1020080023088
申请日：2008-03-13
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04126 , H01M8/04134 , H01M8/04141 , H01M8/04164 , Y02E60/50
Abstract: A humidification and condensation device for a fuel cell system is provided to prevent the deterioration of material inside a humidifier, to increase the operation pressure of a fuel cell stack and to collect the discharged vapor easily. A humidification and condensation device for a fuel cell system comprises a fuel cell stack(10); a humidifier(20) supplying the humidified air to the air electrode(12) of the fuel cell stack; and a condenser which can collect the vapor discharged from the air electrode by circulating the cooling water into the humidifier and is installed directly in the humidifier. The condenser comprises a cooling water inlet(24) and a cooling water outlet(26); a closed circulation cooling water line connecting the cooling water inlet and the cooling water outlet; a radiator(28) installed at the cooling water outlet side; and a water pump(32) installed at the cooling water inlet.
Abstract translation: 提供一种用于燃料电池系统的加湿冷凝装置，以防止加湿器内的材料的劣化，从而增加燃料电池堆的操作压力并容易地收集排出的蒸汽。 一种用于燃料电池系统的加湿和冷凝装置，包括燃料电池堆（10）; 将加湿空气供给到燃料电池堆的空气电极（12）的加湿器（20） 以及冷凝器，其可以通过将冷却水循环到加湿器中而收集从空气电极排出的蒸气，并且直接安装在加湿器中。 冷凝器包括冷却水入口（24）和冷却水出口（26）; 连接冷却水入口和冷却水出口的封闭循环冷却水管线; 安装在冷却水出口侧的散热器（28） 和安装在冷却水入口处的水泵（32）。
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公开(公告)号：KR100821766B1
公开(公告)日：2008-04-11
申请号：KR1020060075710
申请日：2006-08-10
Applicant: 현대자동차주식회사
Abstract: 본 발명은 연료전지 차량에 설치된 스택의 냉시동성을 개선하기 위하여 상기 스택에 구비된 바이폴라플레이트의 테두리를 따라 발열부를 형성하거나, 상기 바이폴라플레이트가 다수개 적층된 스택의 외측면상에 면상 발열체를 설치 함으로써, 저전력을 이용하여 스택의 온도를 최적의 상태로 작동 가능한 상태까지 상승시켜서 냉시동성을 향상시키기 위하여 바이폴라플레이트의 테두리를 따라 형성된 절연층; 및 연료전지 차량의 냉시동성을 개선하기 위해 상기 절연층의 외측을 따라 형성되는 발열부를 포함하여 구성되는 연료전지 차량의 냉시동 향상을 위한 바이폴라플레이트를 제공한다.
연료전지, 스택, 바이폴라플레이트, 절연층, 발열부, 단열층-
公开(公告)号：KR1020080014256A
公开(公告)日：2008-02-14
申请号：KR1020060075710
申请日：2006-08-10
Applicant: 현대자동차주식회사
CPC classification number: H01M8/0202 , H01M2250/20 , Y02E60/50
Abstract: A bipolar plate structure for a fuel cell vehicle is provided to improve low-temperature starting of a fuel cell vehicle by rapidly increasing the temperature of a fuel cell stack with low electric power consumption while not increasing the volume of a bipolar plate. A bipolar plate structure(2) for improving low-temperature starting of a fuel cell vehicle comprises: an insulation layer(10) formed along the edge of the bipolar plate; and a heating section(20) provided along the outer circumference of the insulation layer for improving low-temperature starting of the fuel cell vehicle. The insulation layer comprises at least one material selected from silicone, epoxy, teflon, polyethylene, polyurethane, polystyrene and polyester.
Abstract translation: 提供一种用于燃料电池车辆的双极板结构，用于通过在不增加双极板的体积的情况下以低功耗快速增加燃料电池堆的温度来改善燃料电池车辆的低温启动。 一种用于改善燃料电池车辆的低温启动的双极板结构（2）包括：沿双极板的边缘形成的绝缘层（10）; 以及沿绝缘层的外周设置的用于改善燃料电池车辆的低温启动的加热部分（20）。 绝缘层包括选自硅氧烷，环氧树脂，聚四氟乙烯，聚乙烯，聚氨酯，聚苯乙烯和聚酯中的至少一种材料。
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