【作者】 贾佳； 俞红梅； 邵志刚； 衣宝廉；

【Author】 Jia Jia;Hongmei Yu;Zhigang Shao;Baolian Yi;Dalian Institute of Chemical Physics,Chinese Academy of Sciences;University of Chinese Academy of Sciences;

【机构】 中科院大连化学物理研究所； 中国科学院大学；

【摘要】 本课题发展了一种应用于碱性阴离子交换膜燃料电池（AAEMFC）的新型电极结构,该结构采用垂直生长的Co-OH-CO₃纳米针阵列作为催化剂的有序载体。采用物理气相沉积将Pt以纳米结构薄膜的形式沉积在Co-OH-CO₃纳米针阵列表面从而形成Pt/Co-OH-CO₃纳米针阵列。通过热压转印将Pt/Co-OH-CO₃纳米针阵列转印到碱性阴离子交换膜上得到了新型阴极催化层。以该阴极结构制备的AAEMFC的最高功率密度为113mW/cm²。更多还原

【Abstract】 A novel cathode architecture using vertically aligned Co-OH-CO₃ nanoneedle arrays as ordered catalyst support for AAEMFC application is developed. A Pt nanosturcture thin film is prepared on the surface of Co-OH-CO₃ by sputter deposition to form Pt/Co-OH-CO₃ nanoneedle arrays. After transferring the Pt/Co-OH-CO₃ nanoneedle arrays on an alkaline anion exchange membrane by hot pressing, the novel cathode catalyst layer is formed. The AAEMFC with the prepared MEA shows a peak power density of 113 mW cm^-2.更多还原