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公开(公告)号：KR101112693B1
公开(公告)日：2012-02-15
申请号：KR1020090092690
申请日：2009-09-29
Applicant: 한국에너지기술연구원
CPC classification number: Y02E60/523 , Y02P70/56
Abstract: 본 발명은 연료전지용 막 전극 접합체(Membrane Electrode Assembly, MEA), 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 고가습 또는 고전류밀도 조건에서 우수한 성능을 나타내는 연료전지용 막 전극 접합체에 관한 것이다. 본 발명에 따른 연료전지용 막 전극접합체를 구성하는 양 전극 촉매층에는 타이타니아 파우더와 같은 무기물질이 첨가되어 있어 전극촉매층에서의 수분제어를 가능케 하는 것을 특징으로 한다. 본 발명에 따른 막 전극 접합체를 포함하는 연료전지는 전극촉매층의 과수분 현상이 억제되어 반응기체의 전달이 원활히 이루어지므로 성능 및 안정성의 향상을 가져온다.
연료전지, 막 전극 접합체, 타이타니아, 과수분현상-
公开(公告)号：KR1020110044051A
公开(公告)日：2011-04-28
申请号：KR1020090100865
申请日：2009-10-22
Applicant: 한국에너지기술연구원
IPC: H01M8/24
Abstract: PURPOSE: A stack fastening method of a small fuel cell is provided to enable gas flow and water discharge by reducing the thickness of a gas diffusion layer to 25 ~ 50%. CONSTITUTION: A stack fastening method of a small fuel cell comprises the steps of: preparing the fastening of a stack by positioning MEA(12) in the center thereof, a separator(11) at both ends thereof, and a gas diffusion layer(13) between the MEA and the separator; pressurizing the separator at both ends to closely adhere parts; impregnating a part of a porous gas diffusion layer inside a channel(14) of the separator; and finishing the fastening.
Abstract translation: 目的：提供小型燃料电池的堆叠固定方法，通过将气体扩散层的厚度减小到25〜50％，实现气流和排水。 构成：小型燃料电池的堆叠固定方法包括以下步骤：通过将MEA（12）定位在其中心，在其两端设置隔板（11）和气体扩散层（13）来准备堆叠 ）在MEA和分离器之间; 在两端加压分离器以紧密粘附部件; 在分离器的通道（14）内浸渍一部分多孔气体扩散层; 并完成紧固。
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公开(公告)号：KR1020100102972A
公开(公告)日：2010-09-27
申请号：KR1020090021311
申请日：2009-03-12
Applicant: 한국에너지기술연구원
IPC: H01M8/04
CPC classification number: H01M8/04179 , H01M8/04253 , H01M8/04303 , Y02E60/50
Abstract: PURPOSE: An optimized purging method of a durable fuel cell system is provided to properly remove water from the system with the small amount of energy, and to secure the high energy efficiency. CONSTITUTION: An optimized purging method of a durable fuel cell system at the below zero temperature condition enables the fuel cell system to have the minimum residual water volume by controlling the purging time or the flow amount of purge gas while maintaining the temperature range of 75~95 deg C of the fuel cell system, when the fuel cell system shuts down.
Abstract translation: 目的：提供一种耐用燃料电池系统的优化清洗方法，以便以少量的能量从系统中适当地清除水，并确保高能量效率。 构成：在低于零温度条件下，经久耐用的燃料电池系统的优化清洗方法使得燃料电池系统能够通过控制净化气体的清洗时间或吹扫流量同时保持最小的剩余水量，同时保持温度范围为75〜 当燃料电池系统关闭时，燃料电池系统的95℃。
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公开(公告)号：KR100974640B1
公开(公告)日：2010-08-06
申请号：KR1020090083208
申请日：2009-09-03
Applicant: 한국에너지기술연구원
CPC classification number: H01M8/0206 , H01M8/0232 , H01M8/0258 , H01M8/0267 , H01M8/1007 , H01M8/2483 , H01M2008/1095 , Y02P70/56
Abstract: PURPOSE: A fuel cell having a porous gas diffusion layer is provided to enhance the precision of a stack by including reactive gas flow channels, to make a cooling unit designed freely, to maximize electricity transfer efficiency using a metal porous material, and to increase durability to physical stress. CONSTITUTION: A gas diffusion layer(300) for a fuel cell is a porous monolayer of a metal material. A flow path of reactive gas is formed on the side facing to a separator(200). A fuel cell stack(1000) is formed by laminating fuel cell unit cells. The fuel cell unit cells include a membrane electrode assembly(100), the gas diffusion layer which is included on both sides of the membrane electrode assembly, and the separator.
Abstract translation: 目的：提供一种具有多孔气体扩散层的燃料电池，通过包括反应性气体流动通道来提高堆叠的精度，使冷却单元自由设计，以最大限度地提高使用金属多孔材料的电力传输效率，并提高耐久性 对身体的压力。 构成：用于燃料电池的气体扩散层（300）是金属材料的多孔单层。 反应性气体的流路形成在面向分离器（200）的一侧。 通过层叠燃料电池单电池形成燃料电池堆（1000）。 燃料电池单电池包括膜电极组件（100），包括在膜电极组件的两侧的气体扩散层和隔板。
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公开(公告)号：KR100967627B1
公开(公告)日：2010-07-05
申请号：KR1020070136992
申请日：2007-12-26
Applicant: 한국에너지기술연구원
IPC: H01M8/10
CPC classification number: Y02E60/523 , Y02P70/56
Abstract: 본 발명은 스티렌, 비닐피롤리돈, 가교제 및 개시제를 포함하는 혼합 용액에, 서로 다른 모노머를 사용하여 합성한 이온 전도성 고분자를 함유하는 다공성 지지체를 함침시켜 열중합한 후, 술폰화하여 수소이온 형태로 치환시킴으로써, 우수한 수소 이온 전도성을 가지면서도 제조 공정이 간단하고 제조 비용을 절감할 수 있는 연료전지용 고분자전해질 복합막 및 그의 제조방법에 관한 것이다. 상기 스티렌-비닐피롤리돈 공중합체를 함유하는 연료전지용 고분자전해질 복합막의 제조 방법은, (a-1) 스티렌, 비닐피롤리돈, 가교제 및 개시제로 구성된 혼합 용액에 다공성 지지체를 함침시키는 단계와, (b-1) 상기 (a-1) 단계에서 함침된 다공성 지지체를 오븐에서 열중합하는 단계와, (c-1) 상기 (b-1) 단계에서 중합된 스티렌-비닐피롤리돈 공중합 복합막을 술폰화하여 술폰산기를 도입하는 단계와, (d-1) 상시 (c-1) 단계에서 술폰화된 복합막을 수소이온형태로 치환하는 단계를 포함하는 것을 특징으로 한다.
스티렌, 비닐피롤리돈, 연료전지, 복합막.-
Patent Agency Ranking
公开(公告)号：KR100964823B1
公开(公告)日：2010-06-23
申请号：KR1020090101440
申请日：2009-10-23
Applicant: 한국에너지기술연구원
Abstract: PURPOSE: A polymer electrolyte fuel cell is provided to suppress separation between electrolyte and electrode or electrode and gas diffusion layer and to ensure high durability in a freezing condition. CONSTITUTION: A polymer electrolyte fuel cells having durability comprises: a perfluoro sulfonic acid elelctrolyte membrane and a gas diffusion layer with both sides of a membrane-electrode assembly. The polymer electrolyte membrane is perfluorinated sulfonic acid nafion membrane, flemion membrane, asiplex membrane, or Dow XUS membrane.
Abstract translation: 目的：提供一种聚合物电解质燃料电池，以抑制电解质与电极或电极和气体扩散层之间的分离，并确保在冷冻条件下的高耐久性。 构成：具有耐久性的聚合物电解质燃料电池包括：全氟磺酸电解质膜和具有膜 - 电极组件两侧的气体扩散层。 聚合物电解质膜是全氟化磺酸膜，丝网膜，复合膜或Dow XUS膜。
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公开(公告)号：KR100963529B1
公开(公告)日：2010-06-15
申请号：KR1020100037320
申请日：2010-04-22
Applicant: 한국에너지기술연구원
CPC classification number: Y02T10/7088
Abstract: PURPOSE: An electric vehicle charging station, a battery charger, and a controlling method thereof are provided to minimize the number of turning on and off a full cell generator while charging multiple electric vehicles. CONSTITUTION: An electric vehicle charging station comprises the following: a main power supply unit(200) inserting powers to the charging station; a fuel cell generator(300) included in the charging station; an input unit(610) to insert a charge time value from a user; a measuring unit(600) measuring the charge power amount while being connected with more than one electric vehicle; an optimization controller(700) determining the power supply for the charging station; a power supply control unit to control the charge of the electric vehicle; and a fuel cell management system(310) to control the operating of the fuel cell generator.
Abstract translation: 目的：提供电动汽车充电站，电池充电器及其控制方法，以在充电多个电动车辆时最小化全电池发电机的接通和断开次数。 构成：电动汽车充电站包括：主电源单元（200）向充电站插入电源; 包括在充电站中的燃料电池发生器（300）; 输入单元（610），用于插入来自用户的充电时间值; 测量单元（600），其在与多于一个的电动车辆连接的同时测量所述充电功率量; 确定充电站的电源的优化控制器（700）; 电源控制单元，用于控制电动车辆的充电; 以及燃料电池管理系统（310），用于控制燃料电池发生器的运行。
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78.发明公开
公开(公告)号：KR1020090132691A
公开(公告)日：2009-12-31
申请号：KR1020080058795
申请日：2008-06-23
Applicant: 한국에너지기술연구원
CPC classification number: Y02P20/542 , Y02P70/56
Abstract: PURPOSE: A polymer composite membrane for fuel cells is provided to be operated in the condition of a high temperature more than the specific temperature and the environment less than specific opposition humidity with high ion conductivity. CONSTITUTION: A polymer composite membrane for fuel cells comprises a sulfonated hydrocarbon-based polymer as a matrix and ionic liquid contained in the polymer matrix. A method for manufacturing the polymer composite membrane comprises the steps of: dissolving a sulfonated hydrocarbon-based polymer in a solvent to form a polymer solution; adding the ionic liquid in the polymer solution; stirring a mixture of the ionic liquid and polymer solution; casting the stirred resultant in a film form and drying the cast material; and drying again the cast material in a cast material.
Abstract translation: 目的：提供一种用于燃料电池的聚合物复合膜，其操作温度高于特定温度和环境低于具有高离子电导率的特定对立湿度的环境。 构成：用于燃料电池的聚合物复合膜包括作为基质的磺化烃基聚合物和包含在聚合物基质中的离子液体。 制造聚合物复合膜的方法包括以下步骤：将磺化烃基聚合物溶解在溶剂中以形成聚合物溶液; 将离子液体加入到聚合物溶液中; 搅拌离子液体和聚合物溶液的混合物; 将搅拌的所得物浇铸成膜形式并干燥铸造材料; 并再次将铸造材料干燥成铸造材料。
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公开(公告)号：KR1020090093704A
公开(公告)日：2009-09-02
申请号：KR1020080019393
申请日：2008-02-29
Applicant: 한국에너지기술연구원
IPC: H01M8/04
CPC classification number: H01M8/04305 , H01M8/04089 , H01M8/04097 , H01M2008/1095 , Y02E60/521
Abstract: A designing method of an ejector for a polymer electrolyte membrane fuel cell is provided to calculate major design values of the ejector such as nozzle neck and constant area portion which easily recirculate heavy fluid containing water by secondary flow. A designing method of an ejector for a polymer electrolyte membrane fuel cell comprises the steps of: (S1) initializing the pressure, temperature, and flow rate of primary and secondary flow and the exit pressure of the ejector according to design values of PEMFC; (S2) initializing mach number of secondary flow; (S3) calculating heat capacity, gas constant and heat capacity ratio of a mixture of fuel and water; (S4) calculating an ejector nozzle neck, diameter of the constant area portion and ejector exit pressure; (S5) confirming whether it come close to the ejector exit pressure; if it the calculated exit pressure of ejector does not come closed to the desired exit pressure, changing and calculating the pressure of a first flow; (S7) if it the calculated exit pressure of ejector comes close to the desired exit pressure, confirming whether it is satisfied with correlation between the first flow pressure and the ejector exit pressure; (S8) if the correlation between the exit pressure of ejector and the first flow pressure is not satisfied, changing and calculating mach number of the secondary flow; and (S9) the correlation between the exit pressure of ejector and the first flow pressure is satisfied, determining the diameters of the calculated nozzle neck and the constant area portion by design values.
Abstract translation: 提供了一种用于聚合物电解质膜燃料电池的喷射器的设计方法，以计算喷射器的主要设计值，例如喷嘴颈和恒定区域部分，其容易地通过二次流再循环含有水的重质流体。 聚合物电解质膜燃料电池的喷射器的设计方法包括以下步骤：（S1）根据PEMFC的设计值初始化一次和二次流的压力，温度和流量以及喷射器的出口压力; （S2）二次流的初始化马赫数; （S3）计算燃料和水的混合物的热容量，气体常数和热容量比; （S4）计算喷射器喷嘴颈部，恒定区域部分的直径和喷射器出口压力; （S5）确认是否接近喷射器出口压力; 如果喷射器的计算出口压力不会闭合到所需的出口压力，则改变并计算第一流量的压力; （S7）如果所计算的喷射器的出口压力接近期望的出口压力，则确认其是否满足第一流量压力和喷射器出口压力之间的相关性; （S8）如果喷射器的出口压力与第一流量压力之间的相关性不满足，则改变和计算二次流量的马赫数; 和（S9），满足喷射器的出口压力和第一流量压力之间的相关性，通过设计值确定计算的喷嘴颈部和恒定区域部分的直径。
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公开(公告)号：KR100884936B1
公开(公告)日：2009-02-23
申请号：KR1020070135457
申请日：2007-12-21
Applicant: 한국에너지기술연구원
IPC: H01M8/02
Abstract: A bipolar plate for a PEM fuel cell inserted with a secondary flow channel is provided to improve reaction uniformity by locally injecting the fresh reaction gas in the performance-decreased area of a fuel battery and to prevent the local degradation of water discharge. A bipolar plate(1) for a PEM fuel cell inserted with a secondary flow channel supplying reaction gas through a gas diffusion layer includes a bipolar plate carved with a flow channel, gas diffusion layer, catalyst layer and electrolyte membrane. A plurality of skew flow channels(12) is formed by forming a plurality of partitions(11) in the bipolar plate parallely. A secondary flow channel(14) is installed with a secondary partition(13) connected to the bipolar plate after being fractionized from the partition having the shortest skew section among a plurality of inlet partitions forming the skew flow channel. The reaction gas is supplied through the secondary flow channel additionally.
Abstract translation: 提供了插入有二次流动通道的PEM燃料电池的双极板，以通过在燃料电池的性能下降的区域局部注入新鲜的反应气体并防止水排放的局部劣化来提高反应均匀性。 用于插入具有通过气体扩散层供应反应气体的二次流动通道的PEM燃料电池的双极板（1）包括雕刻有流动通道，气体扩散层，催化剂层和电解质膜的双极板。 通过在双极板中平行地形成多个隔板（11），形成多个倾斜流动通道（12）。 在形成歪斜流动通道的多个入口分隔件中，从具有最短偏斜部分的分隔件中分离出与第二分隔件（13）连接的二次分隔件（13）。 反应气体另外通过二次流路供给。
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