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公开(公告)号：KR101113644B1
公开(公告)日：2012-02-14
申请号：KR1020090068030
申请日：2009-07-24
Applicant: 현대자동차주식회사
IPC: H01M8/04
Abstract: 본 발명은 연료전지 시스템의 퍼징 방법에 관한 것으로서, 불순물 배출성능을 향상시켜 종래의 배출 퍼징에 비해 더욱 안정적인 스택 출력을 얻을 수 있도록 하고 전기화학반응의 향상으로 연비 향상에 보다 기여할 수 있는 개선된 퍼징 방법을 제공하고자 하는 것이다. 상기한 목적을 달성하기 위해, 수소공급라인에서 연료전지 스택의 전단에 재순환되는 수소가 통과하도록 재순환퍼지밸브를 구비하고, 수소재순환밸브를 개방한 상태에서 수소 재순환 블로워를 구동시켜 수소 재순환 라인의 공급압을 상승시킨 뒤, 상기 재순환퍼지밸브를 주기적으로 개폐하여 스택으로의 수소 공급압을 펄스 형태로 제어해줌으로써, 상기 펼스 형태의 압력 상태로 제어되는 공급 수소에 의하여 스택 내 퍼징이 이루어지도록 하는 연료전지 시스템의 퍼징 방법이 개시된다.
연료전지, 스택, 퍼징, 수소, 퍼지밸브, 배출 퍼징, 수소 재순환, 재순환 블로워Abstract translation: 在本发明中改进的清洗可以通过改善涉及一种用于燃料电池系统的净化方法的电化学反应更有助于在燃料效率的提高，以提高杂质放电性能，以便得到超过现有排放吹扫更稳定的堆输出 等等。 为了达到上述目的，设置有再循环净化阀是被再循环到在氢供应管线的燃料电池堆的前端的氢气通过，并且，通过驱动氢再循环风机在打开氢再循环管线的氢气再循环阀供给的状态 通过循环打开和关闭再循环放气阀来增加燃料的压力，以脉冲的形式控制供应到烟囱的氢的压力， 公开了一种净化电池系统的方法。
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公开(公告)号：KR1020110138819A
公开(公告)日：2011-12-28
申请号：KR1020100058931
申请日：2010-06-22
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A method for predicting coolant flow of fuel cell system and a method for deciding normal coolant circulation is provided to check the flow rate of the coolant and decide whether or not the normal coolant circulation by using only temperature sensor without the flow meter or the pressure sensor of high cost. CONSTITUTION: A method for predicting coolant flow of fuel cell system and a method for deciding normal coolant circulation comprises: a step of detecting the coolant temperature of the inlet and the outlet of fuel cell stack by a temperature sensor; a step of detecting the circulating speed of coolant pump by the detecting unit of circulation speed; and a step of calculating coolant flux from a coolant estimation equation on the basis of the heat generation of stack according to the driving condition of fuel cell stack and the temperature of the inlet and the outlet of fuel cell stack. The coolant estimation equation is derived from the first law of thermodynamics which regards the fuel cell stack as a control volume. The coolant flux is calculated from the temperature of the inlet and outlet, the heat generation of the stack, the heat capacity of the stack, and the specific heat of the coolant.
Abstract translation: 目的：提供一种预测燃料电池系统的冷却剂流量的方法和一种用于确定正常冷却剂循环的方法，以检查冷却剂的流量，并通过仅使用温度传感器来确定是否通常的冷却剂循环，而不使用流量计或 压力传感器成本高。 构成：用于预测燃料电池系统的冷却剂流动的方法和用于确定正常冷却剂循环的方法包括：通过温度传感器检测燃料电池堆的入口和出口的冷却剂温度的步骤; 通过检测单元检测循环速度的循环速度的步骤; 以及根据燃料电池堆的驱动条件和燃料电池堆的入口和出口的温度，根据堆叠的发热量从冷却剂估计方程计算冷却剂通量的步骤。 冷却剂估计方程是从燃料电池堆作为控制体积的热力学第一定律得出的。 冷却剂通量根据入口和出口的温度，堆的发热量，堆的热容和冷却剂的比热量来计算。
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公开(公告)号：KR1020110063136A
公开(公告)日：2011-06-10
申请号：KR1020090120086
申请日：2009-12-04
Applicant: 현대자동차주식회사
IPC: H01M8/04
CPC classification number: H01M8/04089 , H01M8/04022 , H01M8/04037 , H01M8/04253 , H01M8/04268 , H01M8/04365 , H01M8/04753 , H01M8/04776
Abstract: PURPOSE: A fuel cell system and a control method thereof are provided to increase the temperature of the whole stacks in a fast time by supplying fuel and air heated by a burner to a cathode of unit cells and uniformly distributing the heat generated by chemical reaction in unit cells to whole stacks. CONSTITUTION: A fuel cell system(100) for improving a cold start property includes: a stack(10) consisting of the aggregate of unit cells; a fuel feed source for supplying the fuel to a stack; an oxidant feed source(30) for supplying an oxidant to stack; a burner(40) for generating the heat through oxidation catalyst reaction of the fuel and the oxidant; a mixing valve(50) for supplying the fuel and the oxidant to the burner; and a heater(60) which generates the heat as a power source by being installed at the burner and provides the heat to the burner.
Abstract translation: 目的：提供一种燃料电池系统及其控制方法，通过将由燃烧器加热的燃料和空气提供给单元电池的阴极，将化学反应产生的热均匀分布在一起，从而在快速时间内提高整个电池堆的温度 单元到整个堆叠。 构成：用于改善冷启动性能的燃料电池系统（100）包括：由单体电池组合构成的电池堆（10）; 用于将燃料供给到堆的燃料供给源; 用于向堆叠供应氧化剂的氧化剂进料源（30）; 用于通过燃料和氧化剂的氧化催化剂反应产生热量的燃烧器（40）; 用于将燃料和氧化剂供给燃烧器的混合阀（50） 以及加热器（60），其通过安装在燃烧器处产生作为电源的热量并向燃烧器提供热量。
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公开(公告)号：KR1020110059032A
公开(公告)日：2011-06-02
申请号：KR1020090115630
申请日：2009-11-27
Abstract: PURPOSE: A device for controlling the surface pressure of a fuel cell stack is provided to fasten a stack by an end plate and a fastening band to which the swelling pressure of an inflator is applied and to enhance energy utilization efficiency inside vehicles. CONSTITUTION: A device for controlling the surface pressure of a fuel cell stack comprises: a lower end plate which is closely fixed to one end of a fuel cell stack(10); an upper end plate(12) applying tightening surface pressure through the swelling force of an inflator(24); fastening bands(40) fastening the stack and upper and lower end plates; a surface pressure sensor(50) measuring the surface pressure applied by the upper end plate; a fluid pressure supply unit; and a controller(52) applying or cutting off the fluid pressure from the fluid pressure supply unit.
Abstract translation: 目的：提供一种用于控制燃料电池堆的表面压力的装置，用于通过端板和紧固带将充气机的膨胀压力施加到紧固带上，并提高车辆内的能量利用效率。 构成：用于控制燃料电池堆的表面压力的装置包括：紧密固定在燃料电池堆（10）一端的下端板; 上端板（12）通过充气机（24）的膨胀力施加紧固表面压力; 紧固带（40），紧固堆叠和上端板和下端板; 表面压力传感器（50），测量由所述上端板施加的表面压力; 流体压力供应单元; 以及控制器（52），其施加或切断来自所述流体压力供给单元的流体压力。
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公开(公告)号：KR1020110023598A
公开(公告)日：2011-03-08
申请号：KR1020090081575
申请日：2009-08-31
Applicant: 현대자동차주식회사
IPC: H01M8/04
Abstract: PURPOSE: A fuel cell management method is provided to secure fast start in cold start and to improve an operation performance of a total stack by effectively removing water present in a film-electrode assembly of a fuel cell stack. CONSTITUTION: A fuel cell management method comprises the steps of: determining whether an external temperature is less than a set standard temperature or not when the start-up off of a fuel cell system is detected; when the external temperature is less than a set standard temperature, maintaining hydrogen supply into the fuel cell stack and stopping air supply; causing a hydrogen pumping phenomenon to a fuel cell stack to flow water present in a film-electrode assembly to a channel part; and over-feeding the air to the fuel cell stack to remove water flowing into the channel part; and performing normal off the fuel cell system.
Abstract translation: 目的：提供一种燃料电池管理方法，用于确保冷启动时的快速启动，并通过有效地去除存在于燃料电池堆的膜 - 电极组件中的水来提高整个堆叠的操作性能。 构成：燃料电池管理方法包括以下步骤：当检测到燃料电池系统的起动关闭时，确定外部温度是否小于设定的标准温度; 当外部温度低于设定的标准温度时，维持氢气供应到燃料电池堆并停止供气; 对燃料电池堆产生氢泵送现象，以将膜 - 电极组件中存在的水流向通道部分; 并将空气过度供给到燃料电池堆以除去流入通道部分的水; 并正常关闭燃料电池系统。
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Patent Agency Ranking
公开(公告)号：KR1020110020666A
公开(公告)日：2011-03-03
申请号：KR1020090078393
申请日：2009-08-24
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A fuel cell stack for vehicles is provided to enable the output of full power by supplying the heat to an electrode layer of a fuel cell through an induction heating method in the cold starting of vehicles. CONSTITUTION: A fuel cell stack(100) for vehicles comprises an electricity generation assembly in which a plurality of unit cells(11) are consecutively arranged. The fuel cell stack comprises a membrane-electrode assembly(21) and a separator(31), and further a coil which surrounds the electricity generation assembly and induces current. The membrane-electrode assembly includes an anode electrode(41) and a cathode electrode(51).
Abstract translation: 目的：提供用于车辆的燃料电池堆，以通过在车辆的冷起动中通过感应加热方法向燃料电池的电极层提供热量来输出全部功率。 构成：用于车辆的燃料电池堆（100）包括连续布置多个单电池（11）的发电组件。 燃料电池堆包括膜 - 电极组件（21）和隔板（31），并且还包括围绕发电组件并引起电流的线圈。 膜 - 电极组件包括阳极电极（41）和阴极电极（51）。
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公开(公告)号：KR100974760B1
公开(公告)日：2010-08-06
申请号：KR1020080061277
申请日：2008-06-27
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/7005 , Y02T90/34
Abstract: 본 발명은 연료전지 하이브리드 차량의 회생제동량 증대를 위한 연료전지 출력 제어 방법에 관한 것으로서, 연료전지 발전 정지, 연료전지 정전류 운전, 연료전지-축전수단 직결 운전의 3단 운전 모드를 행하는 연료전지 하이브리드 차량에서, 회생제동 여부를 판단한 뒤 판단 결과에 따라 연료전지의 발전 정지를 위한 기준을 변경하여 변경된 기준에 따라 연료전지의 발전 정지가 수행되도록 하되, 회생제동시에는 상대적으로 낮은 기준을 적용하여 축전수단의 전압이 낮더라도 미리 연료전지의 발전 정지가 수행되도록 함으로써, 회생제동량의 증대 및 연비 향상이 가능해지는 연료전지 하이브리드 차량의 연료전지 출력 제어 방법에 관한 것이다.
연료전지, 하이브리드, 3단 제어, 발전 정지, 정전류 운전, 직결 운전, 전력변환장치, 승강압 컨버터, 직결 스위치, 회생제동-
公开(公告)号：KR1020100005768A
公开(公告)日：2010-01-18
申请号：KR1020080065805
申请日：2008-07-08
Applicant: 현대자동차주식회사
CPC classification number: B60L11/1887 , B60L11/1892 , B60L11/1894 , H01M8/04567 , H01M8/04679 , H01M8/04753 , H01M8/04955 , H01M16/006 , H01M2250/20 , Y02T10/92 , Y02T90/32 , Y02T90/34
Abstract: PURPOSE: An idle stop/release control method of a fuel battery hybrid vehicle is provided to improve the durability of a fuel battery by decreasing the section of a fuel battery, to improve the durability, and to prevent the degradation of a stack. CONSTITUTION: An idle stop/release control method of a fuel battery hybrid vehicle comprises the steps of detecting whether or not stopping the power generation by judging the power generation stop condition of a fuel battery, executing the power generation stop mode stopping the electricity output by stopping supplying the reactive gas to the stack(S20), and executing the fuel battery re-starting mode by resupplying air and hydrogen if re-starting requirement of the fuel battery is satisfied(S40).
Abstract translation: 目的：提供一种燃料电池混合动力车辆的怠速停止/释放控制方法，通过减少燃料电池的截面来提高燃料电池的耐久性，提高耐久性，防止电池堆的劣化。 构成：燃料电池混合动力车辆的怠速停止/释放控制方法包括以下步骤：通过判断燃料电池的发电停止条件来检测是否停止发电，执行发电停止模式，停止电力输出由 停止向堆叠供应反应气体（S20），以及如果满足燃料电池的重新启动要求，则通过再供给空气和氢气来执行燃料电池重新启动模式（S40）。
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公开(公告)号：KR1020100005767A
公开(公告)日：2010-01-18
申请号：KR1020080065804
申请日：2008-07-08
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/7005 , B60L11/18 , H01M8/04 , H01M8/24
Abstract: PURPOSE: A method for controlling a fuel cell output of a fuel cell hybrid vehicle is provided to improve system efficiency and fuel efficiency by controlling the fuel cell output according the energy level stored in the charging unit. CONSTITUTION: A power system of a fuel cell hybrid vehicle includes a fuel cell(110) as a main power source and a storage unit(131) as an auxiliary unit. A power converter(121) and a direct connection switch(125) are arranged between the fuel cell and the storage unit. A converter controller(122) controls the driving of the power converter by sensing the output voltage of the power converter. The output of the fuel cell is controlled to a fuel cell generation stop mode, a fuel cell constant current operation mode, or fuel cell-storage direct connection operation mode.
Abstract translation: 目的：提供一种用于控制燃料电池混合动力车辆的燃料电池输出的方法，以通过根据存储在充电单元中的能量水平控制燃料电池输出来提高系统效率和燃料效率。 构成：燃料电池混合动力汽车的电力系统包括作为主电源的燃料电池（110）和作为辅助单元的存储单元（131）。 在燃料电池和存储单元之间布置有功率转换器（121）和直接连接开关（125）。 A转换器控制器（122）通过感测功率转换器的输出电压来控制功率转换器的驱动。 燃料电池的输出被控制为燃料电池产生停止模式，燃料电池恒流操作模式或燃料电池存储直接连接操作模式。
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公开(公告)号：KR1020100001390A
公开(公告)日：2010-01-06
申请号：KR1020080061277
申请日：2008-06-27
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/7005 , Y02T90/34 , B60W10/28 , B60W20/14 , B60Y2200/92 , H01M8/04298
Abstract: PURPOSE: A method for controlling a fuel cell output of a fuel cell hybrid vehicle is provided to improve fuel efficiency of the fuel cell hybrid vehicle by maximizing an amount of energy recovery in a regenerative braking process. CONSTITUTION: If the electric energy of a super cap is above a preset value, a direct connection switch is turned off(S32,S33). A constant current operation of the fuel cell starts(S34). The constant output control of the fuel cell accessories is performed(S35). The regenerative braking of the fuel cell hybrid vehicle is determined(S37). If the electric energy of the super cap is above the preset value, the generation of the fuel cell is stopped(S42).
Abstract translation: 目的：提供一种用于控制燃料电池混合动力车辆的燃料电池输出的方法，以通过使再生制动过程中的能量回收量最大化来提高燃料电池混合动力车辆的燃料效率。 构成：如果超级电容的电能高于预设值，则直接连接开关被关闭（S32，S33）。 燃料电池的恒定电流动作开始（S34）。 执行燃料电池配件的恒定输出控制（S35）。 确定燃料电池混合动力车辆的再生制动（S37）。 如果超级盖的电能高于预设值，则燃料电池的产生停止（S42）。
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