【摘要】 综述了近年来直接甲醇燃料电池(DMFC)中阴极催化剂研究进展。目前DMFC中所用的阴极催化剂一般是Pt,其主要问题是对氧还原的电催化活性低及透过隔膜的甲醇燃料会使阴极催化剂的性能降低。在Pt催化剂中添加如Cr、N i、杂多酸或过渡金属的卟啉和酞菁化合物等,不但能提高Pt对氧还原的电催化活性,而且还能较大幅度地提高Pt的耐甲醇能力,因此,这些Pt基复合催化剂有望用作为DMFC的阴极催化剂。更多还原

【Abstract】 The recent development in research on cathodic catalysts for direct methanol fuel cells(DMFC) is(reviewed).At present,the cathodic catalyst used in DMFC is usually Pt.Its main problems are low electrocatalytic activity for oxygen reduction and performance degradation due to methanol penetrating through the proton exchange membrane.The addition of Cr,Ni,heteropolyacids,or(porphyrin) and phthalocyanion of the transition metals to the Pt catalyst can increase not only the electrocatalytic activity of the Pt for the oxygen reduction,but also the methanol tolerance of the Pt.Therefore,these Pt-based composite catalysts are in prospect of being used as the cathodic catalyst in DMFC.更多还原