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    • 15. 发明授权
    • Nanoengineered membrane electrode assembly interface
    • 纳米工程膜电极组装界面
    • US08501366B1
    • 2013-08-06
    • US12487391
    • 2009-06-18
    • Yujiang SongJohn A. Shelnutt
    • Yujiang SongJohn A. Shelnutt
    • H01M8/10
    • H01M8/1016H01M8/1018H01M8/1025H01M8/1027H01M8/1041H01M8/1046H01M8/1051H01M2008/1095
    • A membrane electrode structure suitable for use in a membrane electrode assembly (MEA) that comprises membrane-affixed metal nanoparticles whose formation is controlled by a photochemical process that controls deposition of the metal nanoparticles using a photocatalyst integrated with a polymer electrolyte membrane, such as an ionomer membrane. Impregnation of the polymer membrane with the photocatalyst prior to metal deposition greatly reduces the required amount of metal precursor in the deposition reaction solution by restricting metal reduction substantially to the formation of metal nanoparticles affixed on or near the surface of the polymer membrane with minimal formation of metallic particles not directly associated with the membrane.
    • 一种适用于膜电极组件(MEA)的膜电极结构,其包括膜附着的金属纳米颗粒,其形成由光化学过程控制,所述光化学过程使用与聚合物电解质膜结合的光催化剂来控制金属纳米颗粒的沉积,所述光催化剂例如 离聚物膜。 在金属沉积之前用光催化剂浸渍聚合物膜通过将金属还原基本上限制在固定在聚合物膜的表面上或附近的金属纳米颗粒的形成,从而大大减少了沉积反应溶液中所需量的金属前体, 与膜直接相关的金属颗粒。