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公开(公告)号：KR101154315B1
公开(公告)日：2012-06-13
申请号：KR1020090116575
申请日：2009-11-30
Applicant: 현대자동차주식회사
CPC classification number: H01M4/8605 , H01M4/8896 , H01M4/921 , H01M4/926
Abstract: 본 발명은 고분자 전해질 연료전지용 전극 및 이를 이용한 막-전극 어셈블리 제조 방법에 관한 것으로서, 더욱 상세하게는 탄소나노섬유를 첨가하여 연료전지의 물리적 내구성을 향상시키고, 라디칼 억제제를 첨가하여 연료전지의 화학적 내구성을 향상시킬 수 있도록 한 고분자 전해질 연료전지용 전극 및 이를 이용한 막-전극 어셈블리 제조 방법에 관한 것이다.
즉, 본 발명은 연료전지의 물리적 내구성 저하 문제를 해결하기 위하여 촉매층의 기계적 강도를 보강함과 더불어 장시간 운전 후에도 촉매층 두께를 충분히 유지할 수 있도록 탄소나노섬유를 첨가하고, 연료전지의 화학적 내구성 저하 문제를 해결하기 위하여 수산화라디칼을 억제할 수 있는 라디칼 억제제로써 세륨-지르코늄 산화물(CeZrO
4 )을 첨가함으로써, 연료전지 막-전극 접합체의 성능과 내구성을 종래에 비하여 물리적으로 강건하면서도 화학적으로 안정시킬 수 있고, 장시간 운전에도 성능 감소를 최소화시킬 수 있도록 한 고분자 전해질 연료전지용 전극 및 이를 이용한 막-전극 어셈블리 제조 방법을 제공하고자 한 것이다.
연료전지, MEA, 전극, 촉매층, 크랙, 수소이온 전도성 고분자(바인더), 물리 적 안정성, 화학적 안정성, 내구성, 셀 성능-
公开(公告)号：KR1020120002319A
公开(公告)日：2012-01-05
申请号：KR1020100063138
申请日：2010-06-30
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A polymer electrolyte membrane for fuel cell is provided to have the low permeability of fuel gas, the high conductivity of hydrogen ion, the excellent durability of a membrane, and excellent membrane-electrode interface stability thereby obtaining long time stability of membrane-electrode assembly. CONSTITUTION: A polymer electrolyte membrane for fuel cell comprises: a poly(arylene ether) copolymer in the chemical formula 1; and a polymer consisting of one or more kind of monomers selected from the group consisting of vinylidene fluoride, trifluoroethylene, tetrafluoroethylene and hexafluoropropylene. The poly(arylene ether) copolymer is a random copolymer or a block copolymer.
Abstract translation: 目的：提供一种燃料电池用聚合物电解质膜，其燃料气体渗透性低，氢离子传导性高，膜的耐久性优异，膜 - 电极界面稳定性优良，膜电极长时间稳定 部件。 构成：用于燃料电池的聚合物电解质膜包括：化学式1中的聚（亚芳基醚）共聚物; 以及由选自偏二氟乙烯，三氟乙烯，四氟乙烯和六氟丙烯中的一种或多种单体组成的聚合物。 聚（亚芳基醚）共聚物是无规共聚物或嵌段共聚物。
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公开(公告)号：KR1020110063176A
公开(公告)日：2011-06-10
申请号：KR1020090120131
申请日：2009-12-04
Applicant: 현대자동차주식회사 , 주식회사 동진쎄미켐
Abstract: PURPOSE: A polymer electrolyte membrane for a fuel cell is provided to ensure high dimensional stability even if the polymer electrolyte membrane is exposed for a long time and excellent membrane/electrode interface stability. CONSTITUTION: A polymer electrolyte membrane for a fuel cell comprises (a) a poly(aryleneether) copolymer of chemical formula 1 and (b) a polymer including at least one selected from the group consisting of vinylidene fluoride, trifluoroethylene, tetrafluoroethylene, and hexafluoropropylene. The average molecular weight of the poly(aryleneether) copolymer is 10,000-1,000,000.
Abstract translation: 目的：提供一种用于燃料电池的聚合物电解质膜，以便即使高分子电解质膜长时间暴露并且具有优异的膜/电极界面稳定性，也能确保高尺寸稳定性。 构成：用于燃料电池的聚合物电解质膜包括（a）化学式1的聚（亚芳基醚）共聚物和（b）包含选自偏二氟乙烯，三氟乙烯，四氟乙烯和六氟丙烯中的至少一种的聚合物。 聚（亚芳基醚）共聚物的平均分子量为10,000-1,000,000。
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Patent Agency Ranking
公开(公告)号：KR1020100100124A
公开(公告)日：2010-09-15
申请号：KR1020090018829
申请日：2009-03-05
Applicant: 현대자동차주식회사 , 연세대학교 산학협력단
CPC classification number: H01M4/92 , B82Y30/00 , H01M4/926 , H01M2004/8689
Abstract: PURPOSE: A method for manufacturing catalyst for a fuel cell is provided to obtain a carbon nano-cage as a carrier by thermally processing carbon black at 2800 Celsius degrees. CONSTITUTION: A carbon nano-cage is manufactured using acetylene back. Sodium hydroxide, platinum precursor, and carbon are added into ethylene glycol, which functions as a solvent or a reducing agent, and are stirred. The ethylene glycol is oxidized, and the platinum precursor is reduced. The carrying rate of platinum is increased by regulating pH. Unnecessary organic compound is eliminated by a cleaning process and a thermal drying process.
Abstract translation: 目的：提供一种用于制造燃料电池用催化剂的方法，通过热处理炭黑在2800摄氏度下获得作为载体的碳纳米笼。 构成：使用乙炔制造碳纳米笼。 将氢氧化钠，铂前体和碳加入作为溶剂或还原剂起作用的乙二醇中，并搅拌。 乙二醇被氧化，铂前体被还原。 通过调节pH增加铂的携带率。 不必要的有机化合物通过清洗过程和热干燥过程消除。
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公开(公告)号：KR100969029B1
公开(公告)日：2010-07-09
申请号：KR1020070129213
申请日：2007-12-12
Applicant: 현대자동차주식회사
Abstract: 본 발명은 고분자 전해질 연료전지용 막전극접합체 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 탄소에 담지된 백금촉매 및 수소이온 전도성 고분자를 포함하고, 원하는 크기의 직경을 갖는 미세기공을 포함하는 촉매층을 제공함으로써, 반응기체에 대한 확산저항이 낮고 연료전지 구동시 물질 이동에 따른 한계전류가 높아, 연료전지 성능을 향상시킬 수 있도록 한 고분자 전해질 연료전지용 막전극접합체 및 이의 제조방법에 관한 것이다.
이를 위해, 본 발명은 탄소에 담지된 백금 촉매, 수소이온 전도성 고분자, 미세기공을 포함하는 촉매층이 고분자 전해질막의 양단에 위치하고, 상기 촉매층은 0.02~0.2㎛의 기공과 추가로 평균 0.5~3㎛ 직경의 미세기공을 더 포함하는 것을 특징으로 하는 고분자 전해질 연료전지용 막전극접합체를 제공한다.
연료전지, MEA, 전극, 기공, 물질전달저항, 연료공급, 물 배출, 최대 셀 성능-
公开(公告)号：KR1020100038543A
公开(公告)日：2010-04-15
申请号：KR1020080097559
申请日：2008-10-06
Applicant: 현대자동차주식회사
CPC classification number: H01M4/8828 , H01M4/8814 , H01M4/8882 , H01M2008/1095
Abstract: PURPOSE: A process for manufacturing an electrode and a membrane-electrode assembly for a polymer electrolyte membrane fuel cell are provided to improve catalyst availability by providing a uniformly dispersed high concentration catalyst slurry. CONSTITUTION: A process for manufacturing an electrode for a polymer electrolyte membrane fuel cell comprises an ultrasonic wave and high-speed stirring step for dispersing initial catalyst particles; a vacuum and de-aeration step for penetrating and adsorbing ionomers in primary pores; a bead milling step for dispersing large catalyst particles which are present in a small amount; removing micro bubbles generated from a manufacturing process; preparing a catalytic slurry from which large catalyst particles are removed through a final filtering process; and drying the catalyst slurry by applying the catalyst slurry on the surface of a release film.
Abstract translation: 目的：提供用于制造用于聚合物电解质膜燃料电池的电极和膜 - 电极组件的方法，以通过提供均匀分散的高浓度催化剂浆料来改善催化剂的可利用性。 构成：用于制造聚合物电解质膜燃料电池用电极的方法包括用于分散初始催化剂颗粒的超声波和高速搅拌步骤; 用于在初级孔中渗透和吸附离聚物的真空和脱气步骤; 用于分散以少量存在的大型催化剂颗粒的珠粒研磨步骤; 去除从制造过程产生的微气泡; 制备催化浆料，通过最终的过滤方法从中除去大的催化剂颗粒; 并通过将催化剂浆料施加到剥离膜的表面上来干燥催化剂浆料。
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公开(公告)号：KR1020090090080A
公开(公告)日：2009-08-25
申请号：KR1020080015339
申请日：2008-02-20
Applicant: 현대자동차주식회사 , 서강대학교산학협력단
IPC: H01M8/10
CPC classification number: C08J5/2275 , C08J2371/00 , C08J2381/06 , H01M8/1016 , H01M2300/0068 , H01M2300/0082 , H01M2300/0091 , Y02P70/56
Abstract: A blended polymer electrolyte membrane is provided to ensure excellent hydrogen ion conductivity, electrochemical characteristic, mechanical property and thermal stability, and to reduce interfacial resistance when a membrane and an electrode are welded. A blended polymer electrolyte membrane comprises a polymer consisting of an inorganic polymer; and a proton conductive polymer having cation exchange groups at a side chain. The inorganic polymer has a pore structure of 3-aminopropyltriethylsilane and tetraethylorthosilicate at both terminals and a main chain bonded with the phosphoric acid is polydimethyl siloxane.
Abstract translation: 提供混合的聚合物电解质膜以确保优异的氢离子传导性，电化学特性，机械性能和热稳定性，并且当焊接膜和电极时降低界面电阻。 共混聚合物电解质膜包括由无机聚合物组成的聚合物; 和在侧链具有阳离子交换基团的质子传导性聚合物。 无机聚合物在两末端具有3-氨基丙基三乙基硅烷和原硅酸四乙酯的孔结构，与磷酸键合的主链是聚二甲基硅氧烷。
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公开(公告)号：KR1020030021080A
公开(公告)日：2003-03-12
申请号：KR1020010054576
申请日：2001-09-05
Applicant: 현대자동차주식회사
Inventor： 황인철
IPC: H01M8/04
Abstract: PURPOSE: Provided is a 3-step CO removing apparatus for a fuel cell, which can be miniaturized and improve CO removing ability by unifying a gas mixing part and a heat exchanger with a CO removing reactor. CONSTITUTION: The 3-step CO removing apparatus(10) comprises: a cylindrical main body(14); the CO removing reactor(11) performing an oxidation of carbon monoxide and having a honeycomb-shaped catalyst layer(11a), wherein the CO removing reactor(11) of the first step dose not have the catalyst to prevent the poisoning caused by the rise of initial temperature; the cup-shaped heat exchanger(12) cooling modified-gas, injected into the CO removing reactor(11), to have a desired temperature and having a tube(12a) in the outside wall of which a coolant flows; a gas pipe(16) formed on the top and the bottom of the main body(14), which is an inlet channel of the modified-gas; an inlet part(17) and an exhaust part(18) formed on the outside wall of the main body(14) to supply the coolant from the outside and discharge to the outside.
Abstract translation: 目的：提供一种用于燃料电池的3步CO除去装置，其能够通过使CO除去反应器统一气体混合部分和热交换器而能够小型化并提高CO除去能力。 构成：3步CO除去装置（10）包括：圆筒形主体（14）; CO去除反应器（11）进行一氧化碳的氧化并具有蜂窝状催化剂层（11a），其中第一步骤的CO除去反应器（11）不具有防止由于上升引起的中毒的催化剂 的初始温度; 注入到CO除去反应器（11）中的冷却改性气体的杯形热交换器（12）具有期望的温度并且在其外壁中具有冷却剂流动的管（12a）; 形成在主体（14）的顶部和底部上的气体管（16），其是改性气体的入口通道; 形成在主体（14）的外壁上的入口部（17）和排气部（18），以从外部供给冷却剂并排出到外部。
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