公开(公告)号：US20100209804A1

公开(公告)日：2010-08-19

申请号：US12372511

申请日：2009-02-17

申请人： Yongsoon Shin ,  Jin Yong Kim ,  Kenneth S. Weil ,  Jeff F. Bonnett

发明人： Yongsoon Shin ,  Jin Yong Kim ,  Kenneth S. Weil ,  Jeff F. Bonnett

IPC分类号： H01M4/00 ,  H01M4/88

CPC分类号： H01M4/9016 ,  H01M4/8817 ,  H01M4/8842 ,  H01M4/9083 ,  H01M2008/1095

摘要： The present invention includes hybrid nanocomposite catalysts having tantalum oxide nanoparticles covalently bound to a functionalized carbon support and methods of making the same. The methods include functionalizing the carbon support surfaces, dispersing the functionalized carbon support in an organic liquid, and adding a ta-containing metalorganic precursor. The metalorganic precursor has an alkoxide group that reacts with the functional groups on the carbon support surface. The organic liquid is removed and the resultant material has properties that make it a suitable catalyst, especially in polymer-electrolyte-membrane fuel cell applications.

摘要翻译： 本发明包括具有与官能化碳载体共价结合的氧化钽纳米颗粒的混合纳米复合催化剂及其制备方法。 所述方法包括官能化碳载体表面，将官能化碳载体分散在有机液体中，并加入含Ta金属有机前体。 金属有机前体具有与碳载体表面上的官能团反应的醇盐基团。 除去有机液体，所得材料具有使其成为合适催化剂的性质，特别是在聚合物 - 电解质膜燃料电池应用中。