| Synthesis and characterization of high performance Pt-(PrxCeyOz)/C catalysts for methanol electrooxidation | |
| Department | 羰基合成与选择氧化国家重点实验室 ; 精细石油化工中间体国家工程研究中心 |
Tang ZC(唐志诚) ; Lv GX(吕功煊)
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| 2008 | |
| Source Publication | Applied Catalysis B: Environmental
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| ISSN | 0926-3373 |
| Volume | 79Pages:1-7 |
| Abstract | In this paper, PrxCeyOz (x/y = 3/1, 1/1, 1/3) modified Pt/C catalysts were prepared by wet precipitation and reduction method. The catalysts were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and energy dispersive X-ray analysis (EDX). TEM showed that Pt nanoparticles were uniformly dispersed on the surface of carbon support with an average particle size of 4.0–5.0 nm in the Pt-(PrxCeyOz)/C catalysts. XRD showed that all the Pt-(PrxCeyOz)/C catalysts displayed the typical character of Pt face centered cubic (fcc) phase. XRD and EDX analysis indicated that the rare earth oxides exist in an amorphous form. The Pt-(PrxCeyOz)/C electrocatalysts were compared with the Pt/C, Pt3-(PrOx)1/C and Pt3-(CeOx)1/C catalysts in terms of electrochemical activity and stability for methanol electrooxidation using cyclic voltammetry (CV) and chronoamperometry (CA) in 0.5 M H2SO4 + 0.5 M CH3OH solutions. The CO-tolerance experiment was measured in the CO-saturated 0.5 MH2SO4 solutions. The results showed that the Pt-(Pr1Ce1Oz)/C catalyst had the highest catalytic activity, the best stability and CO-tolerance, which could be used as a suitable electrocatalyst for direct methanol fuel cell. |
| Keyword | Methanol Electrooxidation Direct Methanol Fuel Cell Rare Earth Oxides Electrocatalyst Electrocatalytic Reaction |
| Subject Area | 环境催化与清洁能源 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | 环境催化与清洁能源研究组 ; 环境催化与氢能源研究组 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/1888 |
| Collection | 羰基合成与选择氧化国家重点实验室（OSSO） 精细石油化工中间体国家工程研究中心（ERC） |
| Corresponding Author | Lv GX(吕功煊) |
| Recommended Citation GB/T 7714 | Tang ZC,Lv GX. Synthesis and characterization of high performance Pt-(PrxCeyOz)/C catalysts for methanol electrooxidation[J]. Applied Catalysis B: Environmental,2008,79:1-7. |
| APA | 唐志诚,&吕功煊.(2008).Synthesis and characterization of high performance Pt-(PrxCeyOz)/C catalysts for methanol electrooxidation.Applied Catalysis B: Environmental,79,1-7. |
| MLA | 唐志诚,et al."Synthesis and characterization of high performance Pt-(PrxCeyOz)/C catalysts for methanol electrooxidation".Applied Catalysis B: Environmental 79(2008):1-7. |
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| 10_Appl.Catal.B Envi（747KB） | 开放获取 | License | View Application Full Text | |||
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