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    • 4. 发明公开
    • 연료전지용 고분자 전해질 막, 이를 포함하는 막 전극 접합체 및 연료전지
    • 用于燃料电池,膜电极组件和包括其的燃料电池的聚合物电解质膜
    • KR1020120139058A
    • 2012-12-27
    • KR1020110058599
    • 2011-06-16
    • 주식회사 엘지화학
    • 성경아김혁최성호이상우노태근김도영민민규
    • H01M8/02H01B1/06H01M8/10
    • PURPOSE: A polymer electrolyte membrane for fuel cells with improved mechanical property, a membrane-electrode assembly and a fuel cell including the same are provided to enhance long term endurance and secluding property for gas. CONSTITUTION: A polymer electrolyte membrane for fuel cells comprises cation exchange resin having hydrogen ion conductivity and natural fiber filler. The cation exchange resin is one or more selected from a group consisting of hydrocarbon based cation exchange resin and fluoride based cation exchange resin. The mixing ratio of the cation exchange resin to the natural fiber filler is 99.9 : 0.1 - 91 : 9. The diameter of the natural fiber filler is 1-500 nano meters, and the length is 1-20 microns. The aspect ratio of the natural fiber filler is in a range of 1 : 5 - 1 : 2,000. [Reference numerals] (AA) Electrolyte membrane; (BB) Natural fiber nanoparticle
    • 目的:提供具有改善的机械性能的燃料电池用聚合物电解质膜,膜 - 电极组件和包括该聚合物电解质膜的燃料电池,以增强气体的长期耐久性和隔离性。 构成:用于燃料电池的聚合物电解质膜包括具有氢离子传导性的阳离子交换树脂和天然纤维填料。 阳离子交换树脂是选自烃类阳离子交换树脂和氟化物类阳离子交换树脂中的一种以上。 阳离子交换树脂与天然纤维填料的混合比为99.9:0.1-91:9。天然纤维填料的直径为1-500纳米,长度为1-20微米。 天然纤维填料的长径比在1:5-1:2000的范围内。 (附图标记)(AA)电解质膜; (BB)天然纤维纳米粒子