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Synthesis and characterization of platinum catalysts on muldwalled carbon nanotubes by intermittent microwave irradiation for fuel cell applications
Tian, ZQ; Jiang, SP; Liang, YM; Shen, PK
刊名JOURNAL OF PHYSICAL CHEMISTRY B
2006-03-23
DOI10.1021/jp056401o
110期:11页:5343-5350
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]HIGH RELATIVE PERFORMANCE ; PTRU NANOPARTICLES ; ANODE CATALYST ; PT/C CATALYSTS ; DMFC ANODE ; METHANOL ; ELECTROOXIDATION ; ELECTRODES ; OXIDATION ; MEMBRANE
英文摘要Pt electrocatalysts supported on multiwalled carbon nanotube (Pt/MWCNT) nanocomposites have been synthesized by a rapid intermittent microwave irradiation (IMI) technique for polymer electrolyte and direct methanol fuel cells (PEFCs and DMFCs), using H(2)PtCl(6) as Pt precursor. The Pt/MWCNT nanocomposites are characterized by XRD, XPS, and TEM. The results indicate that Pt particle size and distribution on the MWCNT support are affected significantly by the oxidation treatment of MWCNTs, the IMI procedure, and the MWCNT tube diameter or surface area. The PtO(x) (x = 1, 2) species was first deposited on the surface of MWCNTs by the IMI and subsequently reduced to Pt(0) with refluxing in the presence of HCOOH. Pt/MWCNT nanocomposites synthesized by this IMI method have achieved extremely uniform dispersed Pt nanoparticles with a particle size of similar to 3 nm. Electrochemical measurement indicates that Pt/MWCNT natiocomposites synthesized by the IMI method display a significantly higher electrochemically active area and higher catalytic activity for the methanol oxidation reaction in comparison to a commercial Pt/C catalyst.
语种英语
WOS记录号WOS:000236294300028
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139979
专题中国科学院大连化学物理研究所
作者单位1.Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
2.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Engn Ctr, Dalian 113023, Peoples R China
3.Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
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Tian, ZQ,Jiang, SP,Liang, YM,et al. Synthesis and characterization of platinum catalysts on muldwalled carbon nanotubes by intermittent microwave irradiation for fuel cell applications[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2006,110(11):5343-5350.
APA Tian, ZQ,Jiang, SP,Liang, YM,&Shen, PK.(2006).Synthesis and characterization of platinum catalysts on muldwalled carbon nanotubes by intermittent microwave irradiation for fuel cell applications.JOURNAL OF PHYSICAL CHEMISTRY B,110(11),5343-5350.
MLA Tian, ZQ,et al."Synthesis and characterization of platinum catalysts on muldwalled carbon nanotubes by intermittent microwave irradiation for fuel cell applications".JOURNAL OF PHYSICAL CHEMISTRY B 110.11(2006):5343-5350.
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