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研究论文

甲醇阳极电氧化催化剂的研究

  • 文纲要
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  • 中科院长春应用化学研究所

收稿日期: 1998-02-28

  修回日期: 1998-02-28

  网络出版日期: 1998-02-28

Investigation of Methanol Anode Electrooxidation Catalysts

  • Wen Gangyao Zhang Ying Yang Zhenglong Li Changzhi
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  • (Changchun Inst. of Appl. Chem., Chinese Academy of Sciences, Changchun 130022)

Received date: 1998-02-28

  Revised date: 1998-02-28

  Online published: 1998-02-28

摘要

采用化学还原沉积法制备了Pt-WO3/C、Pt-Ru/C和Pt-Ru-WO3/C系列催化剂.通过循环伏安与电流-电位极化研究了甲醇在不同催化剂/Nafion膜电极上的电催化氧化.结果表明,三种催化剂的催化活性顺序为:Pt-Ru-WO3/C>Pt-Ru/C>Pt-WO3/C.同时研究了甲醇浓度和催化剂的配比对阳极性能的影响.

本文引用格式

文纲要 . 甲醇阳极电氧化催化剂的研究[J]. 电化学, 1998 , 4(1) : 73 -78 . DOI: 10.61558/2993-074X.2680

Abstract

A series of catalysts, Pt-WO_3/C, Pt/Ru/C and Pt-Ru-WO_3/C were prepared by chemical reduction deposition. Electrocatalytic oxidation of methanol on different catalyst/Nafion membrane electrodes was studies by cyclic voltammetry and currentpotential polarization. The results indicated that the catalytic activity order of different catalysts is as follows: Pt-Ru-WO_3/C>Pt-Ru/C>Pt-WO_3/C. At the same time, influences of methanol concentrations and catalyst proportion on performances of anodes were also studies.

参考文献

1SurampudiS,narayananSR,VamosEetal.Advancesindirectoxidationmethanolfuelcels.J.PowerSources,1994,47:3772WatanabeM,SaegusaS,StonehartP.Highplatinumelectrocatalystutilizationsfordirectmethanoloxi-dation.J.Electroanal.Chem.,1989,271:2133ShenPK,TseungACC.AnodicoxidationofmethanolonPt/WO3inacidicmedia.J.Electrochem.Soc.,1994,141(11):30824ShuklaAK,RavikumarMK,AricoASetal.Methanolelectrooxidationoncarbon-supportedPt-WO3-xelectrodesinsulphuricacidelectrolyte.J.Appl.Electrochem.,1995,25:5285ShenPK,ChenKY,TseungACC.PerformanceofCO-electrodepositedPt-Ru/WO3electrodesfortheelectrooxidationofformicacidatroomtemperature.J.Electroanal.Chem.,1995,389:2236ChenKY,ShenPK,TseungACC.AnodicoxidationofimpureH2onteflon-bondedPt-Ru/WO3/Celectrodes.J.Electrochem.Soc.,1995,142(10):L1857HariP,Dhar.Onsolidpolymerfuelcels.J.Electroanal.Chem.,1993,357:2378苏爱华,李长志,孙公权等.Pt/C-SPE和Pt-Ru/C-SPE膜电极上甲醇的催化氧化.电化学,1995,1(4):3979AricoAS,KimH,ShukalAKetal.Methanoloxidationoncarbon-supportedPt-Snelectrodesinsilico-tungsticacid.Electrochem.Acta.,1994,39(5):69110AricoAS,PoltarzewskiA,KimHetal.Investigationofacarbon-supportedquaternaryPt-Ru-Sn-Wcatalystfordirectmethanolfuelcels.J.PowerSources,1995,55:159
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