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公开(公告)号：KR101405778B1
公开(公告)日：2014-06-10
申请号：KR1020120048193
申请日：2012-05-07
Applicant: 현대자동차주식회사
Abstract: 본 발명은 연료전지 시스템 운전 방법에 관한 것으로서, 더욱 상세하게는 연료전지 시스템 효율 개선 및 스택의 전압 안정성 유지를 도모할 수 있도록 한 연료전지 시스템 가압 운전 방법에 관한 것이다.
즉, 본 발명은 연료전지 시스템의 고온 운전시 전류 밀도에 따른 후단 압력조절기 개도 각도를 조절하고, 공기 운전 압력에 따른 공기 SR 변화 제어를 실시함으로써, 운전 온도 증가시 가압 운전이 가능하여 스택 전압 안정성 유지 및 시스템 효율을 개선함과 함께 스택의 열량 증가를 방지하여 차량 냉각 성능을 개선할 수 있도록 한 연료전지 시스템 운전 방법을 제공하고자 한 것이다.-
公开(公告)号：KR1020130137738A
公开(公告)日：2013-12-18
申请号：KR1020120061219
申请日：2012-06-08
Applicant: 현대자동차주식회사
Abstract: The present invention relates to a method for operating a fuel cell system, and more specifically, to an operation method of the fuel cell system for satisfying cooling performance and improving efficiency of the fuel cell system of a fuel cell vehicle. The method deduces a vehicle driving condition (determines whether to use compression driving) using indicators of efficiency of the fuel cell system and determination of the cooling performance, thereby satisfying requirement for both system efficiency and vehicle cooling performance according to an increase of a driving temperature of the fuel cell system. [Reference numerals] (AA,GG,LL) Vehicle's climbing driving at a steady speed;(BB) System efficiency/%;(CC,HH) Operation temperature 0°C;(DD,II) Operation temperature D+5°C;(EE,JJ) Operation temperature D+10°C;(FF,KK) Air inlet pressure/%;(MM) Operation pressure/%;(NN) Operation temperature
Abstract translation: 本发明涉及燃料电池系统的操作方法，更具体地说，涉及一种满足燃料电池车辆的燃料电池系统的冷却性能和提高效率的燃料电池系统的运转方法。 该方法使用燃料电池系统的效率指标和冷却性能的确定来推导车辆驾驶状态（决定是否使用压缩驱动），从而满足系统效率和车辆冷却性能的要求，根据驾驶温度的升高 的燃料电池系统。 （参考号）（AA，GG，LL）车辆以稳定的速度行驶;（BB）系统效率/％;（CC，HH）工作温度0°C;（DD，II）工作温度D + 5°C ;（EE，JJ）工作温度D + 10℃;（FF，KK）进气压力/％;（MM）工作压力/％;（NN）工作温度
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公开(公告)号：KR1020120061282A
公开(公告)日：2012-06-13
申请号：KR1020100122535
申请日：2010-12-03
Applicant: 현대자동차주식회사
CPC classification number: G05D11/138 , H01M8/04223 , H01M8/04225 , H01M8/04455 , H01M8/04798 , H01M2008/1095
Abstract: PURPOSE: An apparatus and a method for starting a fuel cell system are provided to shorten an interface formation time between air and hydrogen which stay in an anode and to prevent overvoltage generation. CONSTITUTION: An apparatus for starting a fuel cell system comprises a concentration measuring unit(16) which measures concentration of oxygen existing in the anode(12) of a fuel cell stack(10), a hydrogen supply flow control unit(18) which is arranged in an inlet end of the anode, and a controller(20) which controls the hydrogen supply flow control unit and receives oxygen concentration signal values of the concentration measuring unit in order to control flow rate of hydrogen to the anode. A fuel system starting method comprises the following steps: measuring oxygen concentration which is existed in the anode of the fuel cell stack and starting-on the fuel system at the same time; and controlling flow-rate of hydrogen supplied to the anode according to oxygen concentration.
Abstract translation: 目的：提供一种启动燃料电池系统的装置和方法，以缩短留在阳极中的空气和氢气之间的界面形成时间，并防止产生过电压。 一种用于启动燃料电池系统的装置，包括：浓度测量单元（16），其测量存在于燃料电池堆（10）的阳极（12）中的氧气的浓度;氢供给流量控制单元（18） 布置在阳极的入口端，以及控制器（20），其控制氢供应流量控制单元并接收浓度测量单元的氧浓度信号值，以便控制向阳极的氢流量。 燃料系统启动方法包括以下步骤：测量存在于燃料电池堆的阳极中的氧浓度并同时启动燃料系统; 并根据氧气浓度控制供给阳极的氢的流量。
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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：KR100993657B1
公开(公告)日：2010-11-10
申请号：KR1020080079751
申请日：2008-08-14
Applicant: 현대자동차주식회사 , 순천대학교 산학협력단
IPC: G01R31/36
Abstract: 본 발명은 연료전지 열화 판정 장치 및 방법에 관한 것으로서, 연료전지 차량에서 운전 중인 연료전지 스택의 유출수에 대해 불소이온농도 또는 pH 값을 실시간으로 측정하여 그로부터 불소유출속도를 산출한 뒤 산출된 불소유출속도가 설정된 정상 범위를 벗어나는 경우 스택의 전해질막 열화를 판정 및 경보해주는 장치와 방법에 관한 것이다.
연료전지, 스택, MEA, 전해질막, 열화, 불소이온, 불소유출속도-
Patent Agency Ranking
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：KR20180010701A
公开(公告)日：2018-01-31
申请号：KR20160093244
申请日：2016-07-22
Applicant: 현대자동차주식회사
IPC: H01M8/04089 , H01M8/04223 , H01M8/04298
CPC classification number: H01M8/04097 , H01M8/04231 , H01M2250/20
Abstract: 본발명은연료전지의연료극배출가스가스택으로재순환되는시스템에있어서, 스택을통과한연료극가스가퍼지되는퍼지유로, 연료탱크로부터공급된순수가스를스택으로분사하는분사수단을포함하고, 상기스택을통과한연료극가스가배기되는경로상에상기분사수단이위치하고, 상기퍼지유로는상기분사수단으로부터소정거리이내에이격되어, 상기스택을통과한연료극가스의일부는상기분사수단의흡입력에의해상기순수가스와혼합된상태로상기스택으로유입되어재순환하는것을특징으로하는연료극가스재순환시스템에관한것이다.
Abstract translation: 其中燃料电池的阳极废气被再循环到烟囱的再循环系统包括吹扫通过烟囱的阳极废气的吹扫流路和将从燃料罐供应的纯气体喷射到烟囱的喷雾器。 喷雾器布置在通过电池组的阳极废气被排出的路径上，清洗流路与喷雾器隔开一定距离，并且通过电池组的阳极废气通过吸力与纯气体混合 的喷雾器被引入到烟囱中，从而被再循环。
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公开(公告)号：KR101822281B1
公开(公告)日：2018-01-25
申请号：KR1020160055342
申请日：2016-05-04
Applicant: 현대자동차주식회사
IPC: H01M8/04303 , H01M8/04746 , H01M8/04791 , H01M16/00 , B60L11/18
CPC classification number: Y02B90/12
Abstract: 연료전지차량의주행중 연료전지발전정지조건이충족되면, 컨트롤러에서, 연료전지스택의애노드로공급되는산소를차단하는단계; 상기컨트롤러에서, 상기연료전지스택출력전압이사전설정된임계전압보다큰 경우, 상기애노드로공급되는수소의공급압을요동제어하는단계; 및상기컨트롤러에서, 상기연료전지스택출력전압이상기임계전압보다작은경우, 상기연료전지스택의출력전압에기반하여상기애노드로공급되는수소의공급압을조정하는단계를포함하는연료전지시스템의제어방법이개시된다.
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公开(公告)号：KR101786316B1
公开(公告)日：2017-10-17
申请号：KR1020160034051
申请日：2016-03-22
Applicant: 현대자동차주식회사
IPC: H01M8/04089 , H01M8/04082 , H01M8/1018
Abstract: 본발명은스택의애노드에서퍼지되는수소에서질소를분리하여그 수소를스택측으로회수함으로써수소의재이용율을대폭향상시킬수 있는연료전지시스템에관한것이다. 본발명에의한연료전지시스템은, 스택; 상기스택에연결된수소탱크; 및상기스택에연결되고, 상기스택에서퍼지되는수소에서질소를분리한후에수소를상기스택으로회수하는수소펌프;를가질수 있다.
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