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研究了不同Pd和Pt原子比的炭载Pd-Pt(Pd-Pt/C)催化剂对氧还原的电催化性能和抗甲醇性能.发现当Pd和Pt原子比从20:0增加至17:3时,Pd-Pt/C催化剂对氧还原的电催化活性逐步增加,而对甲醇氧化均元电催化活性,表明有很好的抗甲醇能力.但当Pd和Pt原子比增加至16:4时,虽然对氧还原的电催化活性还在增加,但抗甲醇能力下降.所以当Pd-Pt原子比为17:3时,Pd-PVC有很好的对氧还原的电催化性能和抗甲醇能力,可以用作直接甲醇燃料电池(DMFC)的阴极催化剂.

参考文献

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