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SYNTHESIS OF PERFLUOROSULFONATE IONOMER-STABILIZED PLATINUM COLLOID AND ITS APPLICATION IN DIRECT METHANOL FUEL CELLS
Jiang, L.1; Sun, G. Q.1; Wang, Q.1; Xin, Q.1,2
关键词Pt Colloid Perfluorosulfonate Ionomer Direct Methanol Fuel Cell Cathode Electrocalalyst
刊名CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY
2008-04-01
14期:2页:137-143
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]PTRU ALLOY COLLOIDS ; HIGH RELATIVE PERFORMANCE ; ANODE CATALYST ; ELECTROOXIDATION ; OXIDATION ; ELECTROCATALYSTS ; PRECURSORS ; NANOPARTICLES ; CLUSTERS ; CO
英文摘要Pt colloid was synthesized by the reduction of hexachloroplatinic acid with formaldehyde in the presence of a stabilizer (a cation-exchanged polymer - perfluorosulfonate ionomer (PFSI) or Teflon) or without any stabilizers. The average size of platinum particles with a stabilizer, characterized by a transmission electron microscopy and X-ray diffraction, is in a nanometer range in comparison with the particle agglomeration without any stabilizers. Highly dispersive 40 wt. % Pt/C catalyst obtained from the PFSI-stabilized Pt colloid shows much better performance than its counterpart with Teflon as a stabilizer or without any stabilizer according to the cyclic voltammetric (CV) characterization and the single direct methanol fuel cell (DMFC) performance testing. it is strongly suggested that the proton-conducting ionomer could smooth the reaction pathway by facilitating the proton transport, while Teflon inhibit the active sites, though both of them can inhibit the particle growth. The improved fuel cell performance is attributed to the small particles and the unhindered transport of protons/-electrons ascribed to the intimate contact of Pt and proton-conducting ionomer
语种英语
WOS记录号WOS:000262366800008
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140895
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Jiang, L.,Sun, G. Q.,Wang, Q.,et al. SYNTHESIS OF PERFLUOROSULFONATE IONOMER-STABILIZED PLATINUM COLLOID AND ITS APPLICATION IN DIRECT METHANOL FUEL CELLS[J]. CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY,2008,14(2):137-143.
APA Jiang, L.,Sun, G. Q.,Wang, Q.,&Xin, Q..(2008).SYNTHESIS OF PERFLUOROSULFONATE IONOMER-STABILIZED PLATINUM COLLOID AND ITS APPLICATION IN DIRECT METHANOL FUEL CELLS.CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY,14(2),137-143.
MLA Jiang, L.,et al."SYNTHESIS OF PERFLUOROSULFONATE IONOMER-STABILIZED PLATINUM COLLOID AND ITS APPLICATION IN DIRECT METHANOL FUEL CELLS".CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY 14.2(2008):137-143.
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