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以聚二烯丙基二甲基胺盐酸盐(PDDA)为连接剂,采用原位自组装方式将MoO3和WO3负载到碳纳米管(CNTs)上,然后通过乙二醇还原法负载Pt纳米颗粒,得到Pt纳米颗粒均匀分布的Pt/MoO3-WO3/CNTs催化剂.当氧化物总量控制在10 wt%,MoO3与WO3摩尔比为1:0.5时,Pt/MoO3-WO3/CNTs催化剂催化甲醇氧化活性最高,甲醇氧化峰电流If高达835 A/gPt.WO3和MoO3的加入提高了催化剂的甲醇氧化活性、抗CO中毒能力和稳定性,使得Pt/MoO3-WO3/CNTs催化剂表现出优异的甲醇电催化氧化性能.
Poly (diallyldimethylammonium chloride) (PDDA) was used as the linker to load MoO3 and WO3 onto carbon nanotubes (CNTs) by in-situ self-assembly method and then loaded with Pt nano via ethylene glycol Pt / MoO3-WO3 / CNTs catalysts were obtained by Pt / MoO3-WO3 / CNTs catalyst when the total amount of oxides was controlled at 10 wt% and the mole ratio of MoO3 to WO3 was 1: 0.5 The oxidation activity of Pt / MoO3-WO3 / CNTs catalyst was the highest, and methanol oxidation peak current If was as high as 835 A / g Pt. The addition of WO3 and MoO3 enhanced the methanol oxidation activity and anti-CO poisoning ability and stability of Pt / Electrocatalytic oxidation performance.