公开(公告)号：KR1020090116000A

公开(公告)日：2009-11-11

申请号：KR1020080041651

申请日：2008-05-06

Applicant: 현대자동차주식회사

Inventor： 이기섭

IPC: H01M4/88 ,  H01M4/90

CPC classification number: H01M4/8605 ,  H01M4/8825 ,  H01M4/926 ,  H01M8/1004 ,  Y02P70/56

Abstract: PURPOSE: A method for manufacturing a catalyst layer of membrane electrode assembly is provided to increase transfer efficiency of fuel material and hydrogen ion by diversifying distribution of an ionomer binder within a catalyst electrode layer. CONSTITUTION: A method for manufacturing a catalyst layer of membrane electrode assembly including catalysts with different densities and ionomer binder comprises the steps of, to diversify distribution of a catalyst and ionomer binder: preparing catalyst slurry formed by mixing a catalyst, ionomer binder and solvent; separating the atalyst and ionomer binder by rotating the catalyst slurry for executing centrifugal force; obtaining solids by evaporating solvent from the catalyst slurry which is in a state where the catalyst and ionomer binder; and drying the catalyst slurry.

Abstract translation: 目的：提供一种用于制造膜电极组件的催化剂层的方法，以通过使离聚物粘合剂在催化剂电极层内的分布多样化来提高燃料和氢离子的转移效率。 构成：包括具有不同密度的催化剂和离聚物粘合剂的膜电极组件的催化剂层的制造方法包括以下步骤：使催化剂和离聚物粘合剂的分布多样化：制备通过混合催化剂，离聚物粘合剂和溶剂形成的催化剂浆料; 通过旋转催化剂浆料来分离聚合物和离聚物粘合剂以实现离心力; 通过从处于催化剂和离聚物粘合剂的状态的催化剂浆液蒸发溶剂获得固体; 并干燥催化剂浆料。

公开(公告)号：KR1020090062108A

公开(公告)日：2009-06-17

申请号：KR1020070129213

申请日：2007-12-12

Applicant: 현대자동차주식회사

Inventor： 황인철 ,  권낙현 ,  이기섭 ,  이재승

IPC: H01M4/86 ,  H01M4/88

CPC classification number: H01M4/8605 ,  H01M4/8663 ,  H01M4/8814 ,  H01M4/926 ,  H01M8/1004 ,  Y02E60/521

Abstract: A membrane electrode assembly for a polymer electrolyte fuel cell is provided to improve the performance of a fuel cell due to low diffusion resistance to reactive gas and high limit current by employing a catalyst layer including micro pores. A membrane electrode assembly for a polymer electrolyte fuel cell comprises a platinum catalyst supported in carbon, a hydrogen-ion-conductive polymer, and a catalyst layer(11) including micropores(18) at both ends of the polymer electrolyte membrane. The catalyst layer additionally includes pores of 0.02~0.2 micron and micro pores of average 0.5~3 micron diameter.

Abstract translation: 提供了一种用于聚合物电解质燃料电池的膜电极组件，以通过使用包括微孔的催化剂层，由于对反应气体的低扩散阻力和高限度电流而改善燃料电池的性能。 用于聚合物电解质燃料电池的膜电极组件包括负载在碳中的铂催化剂，氢离子导电聚合物和在聚合物电解质膜的两端包括微孔（18）的催化剂层（11）。 催化剂层另外包括0.02〜0.2微米的孔和平均0.5〜3微米直径的微孔。

公开(公告)号：KR1020090061833A

公开(公告)日：2009-06-17

申请号：KR1020070128800

申请日：2007-12-12

Applicant: 현대자동차주식회사

Inventor： 조일희 ,  이기섭 ,  조기윤

IPC: H01M8/02 ,  H01M8/10 ,  H01M4/86

CPC classification number: H01M8/04302 ,  H01M4/8878 ,  H01M8/04126 ,  H01M8/04223 ,  H01M8/04589 ,  H01M8/0488 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02T90/32

Abstract: An activation method of MEA(membrane-electrode assembly) using cyclo voltammetry is provided to accelerate activation of MEA, to reach maximum performance within fast time, and to improve performance of the membrane electrode assembly. An activation method of MEA(membrane-electrode assembly) using cyclo voltammetry comprises the steps of supplying humidified gas for hydration of a membrane and an electrode; and performing cyclo voltammetry activation method for an electrode layer activation. The first step does not use an electron load and application device and supplies only humidified air. The second step circulates voltage with an arbitrary value at voltage of 0~3 V in cyclo voltammetry cycle.

Abstract translation: 提供使用环伏安法的MEA（膜电极组件）的激活方法，以加速MEA的活化，在快速时间内达到最大性能，并提高膜电极组件的性能。 使用环伏安法的MEA（膜 - 电极组件）的激活方法包括以下步骤：供应用于膜和电极的水合的加湿气体; 并进行电极层激活的环伏安法激活方法。 第一步不使用电子负载和应用设备，仅供应加湿空气。 第二步循环伏安法循环电压为0〜3V的任意值。

公开(公告)号：KR1020090012426A

公开(公告)日：2009-02-04

申请号：KR1020070076233

申请日：2007-07-30

Applicant: 현대자동차주식회사

Inventor： 김영수 ,  이기섭

IPC: H01M8/02 ,  H01M4/88

CPC classification number: Y02P70/56 ,  H01M4/8896 ,  H01M8/0276 ,  H01M8/1004 ,  H01M2008/1095 ,  Y02E60/521

Abstract: A method for manufacturing sub gasket of MEA for a fuel cell is provided to prevent a membrane-electrode assembly or electrolyte film from being torn due to a sharp edge portion of a sub gasket and to improve the productivity. A method for manufacturing sub gasket of MEA for a fuel cell comprises (i) a step for manufacturing a sub gasket(26) by forming an opening in the center of a material for a sub gasket to reveal a catalyst layer(11a); (ii) a step for arranging the sub gasket and catalyst layer in the outside and inside direction of the electrolyte film(10); and (iii) a step for hot pressing only the sub gasket with the regular interval from the inner edge of the border of the sub gasket by using hot pressing jigs(27a,27b).

Abstract translation: 提供一种用于制造用于燃料电池的MEA的副垫圈的方法，以防止膜 - 电极组件或电解质膜由于副垫圈的尖锐边缘部分而被撕裂并提高生产率。 一种用于制造用于燃料电池的MEA的副垫圈的方法包括：（i）通过在用于副垫圈的材料的中心形成开口以露出催化剂层（11a）来制造子衬垫（26）的步骤; （ii）在所述电解质膜（10）的外部和内部方向上设置所述副垫圈和催化剂层的步骤; 和（iii）通过使用热压夹具（27a，27b）从子垫片的边界的内边缘以仅规定间隔热按压子垫片的步骤。

公开(公告)号：KR100844751B1

公开(公告)日：2008-07-07

申请号：KR1020070062970

申请日：2007-06-26

Applicant: 현대자동차주식회사

Inventor： 이기섭 ,  황인철 ,  성영은 ,  박인수 ,  조용훈

IPC: H01M4/88 ,  H01M4/90 ,  B82Y30/00

CPC classification number: H01M4/926 ,  Y02E60/521 ,  Y02P70/56

Abstract: A method for preparing a ruthenium-osmium alloy for an electrode material of a solid electrolyte fuel cell is provided to solve the problem related to high cost of a platinum-based material while realizing desired activity in an electrode catalyst and fuel cell. A method for preparing a ruthenium-osmium alloy for an electrode material of a solid electrolyte fuel cell comprises the steps of: (a) dispersing a ruthenium precursor, osmium precursor and carrier into a solvent; (b) adding a reducing agent to the dispersion to carry out a reaction; and (c) drying the reaction mixture, followed by heat treatment. The carrier includes carbon powder. In step (a), the solvent preferably includes water.

Abstract translation: 提供一种制备用于固体电解质燃料电池的电极材料的钌 - 锇合金的方法，以解决与铂类材料的高成本相关的问题，同时在电极催化剂和燃料电池中实现期望的活性。 制备用于固体电解质燃料电池的电极材料的钌 - 锇合金的方法包括以下步骤：（a）将钌前体，锇前体和载体分散到溶剂中; （b）向分散体中加入还原剂进行反应; 和（c）干燥反应混合物，然后进行热处理。 载体包括碳粉。 在步骤（a）中，溶剂优选包括水。

公开(公告)号：KR1020080050010A

公开(公告)日：2008-06-05

申请号：KR1020060120708

申请日：2006-12-01

Applicant: 현대자동차주식회사

Inventor： 김영수 ,  이기섭

IPC: H01M8/02 ,  H01M8/24

CPC classification number: H01M8/04126 ,  H01M8/241 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/34

Abstract: A method for fastening the stack of a fuel cell vehicle is provided to improve the stability of fastening by preventing the shrinkage or expansion of a polymer electrolyte membrane and to improve the efficiency of a stack. A method for fastening the stack of a fuel cell vehicle comprises the steps of forming a catalyst layer(3) on the upper and lower sides of a dry polymer electrolyte membrane(2), placing a gas diffusion layer(4) with separation so as to allow the polymer electrolyte membrane to be expanded freely, and installing a separator(5); humidifying it to allow the polymer electrolyte membrane to be expanded; and fastening at the outer part of the separator in the expanded state of the polymer electrolyte membrane.

Abstract translation: 提供了一种用于紧固燃料电池车辆的堆叠的方法，以通过防止聚合物电解质膜的收缩或膨胀来提高紧固的稳定性并提高堆叠的效率。 用于紧固燃料电池车辆的堆叠的方法包括以下步骤：在干式聚合物电解质膜（2）的上侧和下侧形成催化剂层（3），将气体扩散层（4）分离成如 使聚合物电解质膜自由扩张，并安装隔板（5）; 加湿以使聚合物电解质膜膨胀; 并且在聚合物电解质膜的膨胀状态下紧固在隔板的外部。