P掺杂Pd3Fe1/C催化剂及其电催化氧还原活性

催化学报 , 2011, 32(7): 1287-1291. doi: 10.3724/SP.J.1088.2011.10307

P掺杂Pd3Fe1/C催化剂及其电催化氧还原活性

戴友志 ^1, , 刘进兵 ^2, , 刘鸿 ^3, , 王毅 ^4, , 宋树芹 ^5,

1.邵阳学院生物与化学工程系,湖南邵阳422000

2.邵阳学院生物与化学工程系,湖南邵阳422000

3.中山大学化学与化学工程学院,广东广州510275

4.中山大学化学与化学工程学院,广东广州510275

5.中山大学物理科学与工程技术学院光电材料与技术国家重点实验室,广东广州510275

基金项目: 国家高技术研究发展计划(863计划)(2009AA05Zl10) 中央高校基本科研业务费专项资金(091gpy30)

关键词：氧还原反应 , 钯 , 铁 , 炭载催化剂 , 磷掺杂 , 电催化活性

Phosphorus Doped Pd3Fe1/C Catalysts and Their Electrocatalytic Activity for Oxygen Reduction

采用化学镀技术制备了P掺杂的Pd3Fe1/C,并考察了其对氧还原的电催化性能.结果表明,制得催化剂的Pd分散性高、粒径分布均匀;P的掺杂降低了Pd3Fe1/C催化剂的Pd-Fe颗粒粒径,提高了Pd3Fe1/C上氧还原的活性,且一定程度上改善了Pd3Fe1/C催化剂的稳定性.当Fe/P摩尔比为1/10时,催化剂的性能最佳.

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P掺杂Pd3Fe1/C催化剂及其电催化氧还原活性

Phosphorus Doped Pd3Fe1/C Catalysts and Their Electrocatalytic Activity for Oxygen Reduction

参考文献