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公开(公告)号：KR101315764B1
公开(公告)日：2013-10-10
申请号：KR1020110015794
申请日：2011-02-23
Applicant: 현대자동차주식회사
Abstract: 본 발명은 연료전지 스택의 저온 운전시 다이나믹 인공신경망을 이용하여 연료전지 스택의 수소 입출구에서의 수소 온도를 예측하고, 예측된 수소 온도를 측정된 수소 온도와 비교하여 그 차이가 임계 온도를 벗어나면 수소 공급 시스템의 고장으로 진단할 수 있도록 한 연료전지용 수소 공급 시스템의 고장 진단 방법을 제공하고자 한 것이다.
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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：KR1020090130453A
公开(公告)日：2009-12-24
申请号：KR1020080056107
申请日：2008-06-16
Applicant: 현대자동차주식회사 , 한양대학교 산학협력단
CPC classification number: H01M8/0217 , H01M8/0228 , H01M8/0267 , H01M8/04253 , H01M8/04268 , Y02P70/56
Abstract: PURPOSE: A fuel cell bipolar plate is provided to secure enough calorific value necessary in a cold temperature performance of a fuel cell stack for vehicles, to reduce cold starting time of a fuel cell vehicle, and to improve acid resistance of a fuel cell system. CONSTITUTION: A method for preparing a fuel cell bipolar plate comprises the steps of: manufacturing a NTC composite transition metal oxide(80) which is a variable resistance heating element with a negative temperature property reducing electrical resistance in a wide temperature range; manufacturing a CTR composite transition metal oxide which is a variable resistance heating element with a negative temperature property reducing electrical resistance by the change of crystal structure at a specific temperature or more; filming the surface of a bipolar plates(10a,10b) with the NTC composite transition metal oxide or the CTR composite transition metal oxide; heat-treating the separator treated with a film; and measuring the change of electrical resistance according to various temperature change.
Abstract translation: 目的：提供燃料电池双极板，以确保车辆燃料电池堆的冷温性能所需的足够的热值，以减少燃料电池车辆的冷起动时间，并提高燃料电池系统的耐酸性。 构成：制备燃料电池双极板的方法包括以下步骤：制备作为可变电阻加热元件的NTC复合过渡金属氧化物（80），其具有在宽温度范围内降低电阻的负温度特性; 制造CTR复合过渡金属氧化物，其是具有负温度特性的可变电阻加热元件，通过特定温度以上的晶体结构的变化降低电阻; 用NTC复合过渡金属氧化物或CTR复合过渡金属氧化物成膜双极板（10a，10b）的表面; 对用膜处理的隔膜进行热处理; 并根据各种温度变化测量电阻的变化。
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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-
Patent Agency Ranking
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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公开(公告)号：KR1020070098072A
公开(公告)日：2007-10-05
申请号：KR1020060029254
申请日：2006-03-31
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04179 , H01M8/04097 , H01M8/04201 , H01M8/04228 , H01M8/0438 , Y02E60/50
Abstract: A fuel cell system is provided to simplify the structure of a purge system for inflammable gases, to reduce the weight and size, and to increase the degree of freedom in designs. A fuel cell system comprises: a stack(12) for generating electricity through electrochemical reactions between air supplied from a duct and moistened in a moistener and hydrogen depressurized in the middle of the duct; a circulation duct linked between the stack and the moistener to supply moistened exhaust gas discharged from the stack to the moistener; and a cooling water circulation duct connected to the stack in a loop shape and having a cooling water reservoir, and further comprises: a water producing unit(20) connected to each duct through a branch duct equipped with a solenoid valve and a control valve, and receiving the air and hydrogen to produce water; a water supply unit(30) connected to the moistener and the cooling reservoir through a main duct having a circulation pump(33) and connected to the water producing unit, wherein a sub-branch duct is connected in parallel to the outlet of the circulation pump through a three-way valve(34); and a controller into which output signals from a high-water level sensor(A) and a low-water level sensor(B) each mounted to the moistener and cooling water reservoir are input to control the solenoid valve, control valve, circulation pump and three-way valve.
Abstract translation: 提供燃料电池系统以简化用于易燃气体的吹扫系统的结构，以减轻重量和尺寸，并增加设计的自由度。 燃料电池系统包括：堆叠（12），用于通过从管道供应的空气和在湿润剂中润湿的空气之间的电化学反应和在管道中间减压的氢气发电; 连接在所述堆和所述加湿器之间的循环管，以将从所述堆排出的润湿废气供应到所述加湿器; 以及冷却水循环管道，其以环形形式连接到所述堆叠并且具有冷却水储存器，并且还包括：水产生单元（20），其通过配备有电磁阀和控制阀的分支管道连接到每个管道， 并接收空气和氢气产生水; 供水单元（30），其通过具有循环泵（33）的主管道连接到所述保湿器和所述冷却储存器，并且连接到所述水生产单元，其中，分支管道与所述循环的出口并联连接 泵通过三通阀（34）; 以及控制器，其中输入来自每个安装到加湿器和冷却水容器的高水位传感器（A）和低水位传感器（B）的输出信号，以控制电磁阀，控制阀，循环泵和 三通阀。
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公开(公告)号：KR1020020095790A
公开(公告)日：2002-12-28
申请号：KR1020010033997
申请日：2001-06-15
Applicant: 현대자동차주식회사
Inventor： 오승찬
IPC: B22D15/02
Abstract: PURPOSE: A new structure micronization method is provided which rapidly cools a port part by using a thermoelectric material inside dies to manufacture high quality cylinder head for engine. CONSTITUTION: In a method for manufacturing a cylinder head, the method for micronizing structure of a cylinder head comprises first step of melting aluminum alloy as a raw material for the cylinder head to a temperature of 750 to 770 deg.C in a melting furnace; second step of injecting the aluminum alloy molten in the first step into the mold(30) formed of sand in a metal pattern(10) through a runner(20), wherein the metal pattern(10) comprising a mold(30) for manufacturing a port part, a thermoelectric material(40) for cooling the formed cylinder head, and a controller(50), a PC(60) and a timer(70) for controlling the thermoelectric material(40) is preheated to a temperature of 150 to 250 deg.C to prevent solidification of molten aluminum; third step of forming the molten aluminum injected into the mold in the second step in the temperature range of 680 to 740 deg.C so as to cast the cylinder head; and fourth step of cooling the cylinder head formed in the third step, wherein the fourth step is performed by operating the thermoelectric material(40) using the controller(50), PC(60) and timer(70), thereby controlling cooling speed of the cylinder head formed in the third step.
Abstract translation: 目的：提供一种新的结构微粉化方法，通过在模具内部使用热电材料快速冷却端口部分，以制造用于发动机的高品质气缸盖。 构成：在制造气缸盖的方法中，气缸盖微结构的方法包括在熔炉中将作为气缸盖的原料的铝合金熔化至750-770℃的第一步骤; 将通过流道（20）在第一步骤中熔融的铝合金注入到由金属图案（10）中的砂形成的模具（30）中的第二步骤，其中所述金属图案（10）包括用于制造的模具（30） 端口部分，用于冷却形成的气缸盖的热电材料（40）以及用于控制热电材料（40）的控制器（50），PC（60）和计时器（70）被预热到150℃ 至250℃以防止熔融铝固化; 在第二步骤中，在680〜740℃的温度范围内形成注入到模具中的熔融铝的第三工序，铸造气缸盖; 以及第四步骤，冷却第三步骤中形成的气缸盖，其中通过使用控制器（50），PC（60）和定时器（70）操作热电材料（40）来执行第四步骤，由此控制冷却速度 在第三步中形成气缸盖。
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公开(公告)号：KR101316243B1
公开(公告)日：2013-10-08
申请号：KR1020110029198
申请日：2011-03-31
Applicant: 현대자동차주식회사
Abstract: 본 발명은 차량의 운행에 지장을 주지 않고, 차량의 일상적인 운행과정 속에서 차량에 탑재되어 있는 연료전지스택의 전해질막 상태를 신속하고 정확하게 진단할 수 있도록 함으로써, 연료전지차량의 상품성을 더욱 향상시킬 수 있도록 한 연료전지스택의 전해질막 고장 진단 방법을 제공한다.
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