RuO_2/SWNTs-Pt修饰电极对二氧化碳的电催化还原Electrocatalytic Reduction of Carbon Dioxide on RuO_2/SWNTs-Pt Modified Electrode
屈建平,张校刚,胡风平
摘要(Abstract):
通过超声方法在三乙醇胺和乙醇的混合水溶液中将 Ru O2 担载在单壁碳纳米管上 ,并以 0 .0 5 % Nafion溶液在铂电极上制备成它的修饰电极 .在 Na HCO3水溶液中 ,利用循环伏安 ,稳态极化和恒电位极化等方法分别研究了 Ru O2 /SWNTs,Ru O2 和 SWNTs薄膜修饰电极对 CO2 的电催化还原活性 .结果表明 ,相对于 Ru O2 和SWNTs薄膜修饰电极 ,Ru O2 /SWNTs薄膜修饰电极对二氧化碳电化学还原具有较正的过电位和很好的电催化性及稳定性
关键词(KeyWords): 二氧化碳;电催化还原;修饰电极
基金项目(Foundation):
作者(Author): 屈建平,张校刚,胡风平
参考文献(References):
- [1]H.Vered andW.Itamar,PhotocatalysedCO2-fixation to formate andH2-evolution by eosin-modifiedPd-TiO2 pow-drs,.Chem.Soc.,Chem,Commun.1994,18:2113-2114.
- [2]J.P.Collin andJ.P.Saurage,Electrochemical reduction of carbon dioxide mediated by molecular catalysts,Coord.Chem.Rev.1989,93:245-268.
- [3]K.S.Udapa,G.S.Subramanian andH.V.K.Udapa,The electrolc reduction of carbon dioxide to formic acid,Elec-trochim.Acta.1971,16:1593-1598.
- [4]A.Kudo,S.Nakagawa,A.Tsuneto andT.Sakata,ElectrochemicalReduction ofHigh pressureCO2 onNiElec-trodes,J.Electrochem.Soc.1993,140:1541-1545
- [5]A.Kawala andT.Atamanczuk,Microwave-EnhancedThermalDecontamination ofSoil[J].Envirom.Sci.Technd.1998,32:2602-2607.
- [6]K.Ogura,K.Mine,J.Yano andH.Sugihara,ElectrocatalyticGeneration ofC2 andC3Compounds fromCarbonDioxide on aCobaltComplex-immobilizedDual-filmElectrode,J.Chem.Soc.,Chem.Commun.1993,1:20-21.
- [7]K.Ogura,M.Higasa,J.,Yano andN.Endo,Electroreduction ofCO2 toC2 andC3compounds onBis(4,5-dihy-droxybenzene-1,3-disulphonato) ferrate()-fixed polyaniline|PrussianBlue-modified electrode in aqueous solu-tions[J].Electroanal.Chem.1994,379:373-377.
- [8]K.Ogura,N.Endo,M.Nakayama andH.Ootsuka,MediatedActivation andElectroreduction ofCO2 onModifiedElectrodes withConductingPolymer andInorganicCounductorFilms[J].Electrochem.Soc.1995,142:4026-4032.
- [9]J.Wang andM.S.Lin,In situ electrochemical renewal of glassy carbon electrodes[J].Anal.Chem.1988,60:499-502.
- [10]T.Nagaoka andT.Yoshino,Surface properties of electrochemically pretreated glassy carbon[J].Anal.Chem.1986,58:1037-1042.
- [11]J.P.Popic,M.L.Avramov-Ivic andN.B.Vukovic,Reduction of carbon dioxide on ruthenium oxide and modifiedruthenium oxide electrodes in0.5M NaHCO3[J].Electroanal.Chem.1997,421:105-110.
- [12]N.Spataru,K.Tokuhiro,C.Terashima,T.N.Rao andA.Fujishima,Electrochemical reduction of carbon dioxideatruthenium dioxide deposited on boron-doped diamond[J].Applied.Electrochem.2003,33:1205-1210.
- [13]A.C.Dillon,K.M.Jones,T.A.Bekkedahl,C.H.Kiang,D.S.Bethune,M.J.Heben,Storage of hydrogen in sin-gle-walled carbon nanotubes,Nature[J].1997,386:377-379.
- [14]P.J.Britto,K.S.V.Santhanam,P.M.Ajayan,Carbon nanotubes electrode for oxidation of dopamine[J].Bioelec-trochem.Bioenerg.1996,41:121-125.
- [15]H.Dai,J.H.Hafner,A.G.Rinzler,D.T.Colbert,R.E.Smalley,Nanotubes as nanoprobes in scanning probemi-croscopy[J].Nature.1996,384:147-150.
- [16]W.S.Huang,W.B.Hua,J.C.Song,Adsorptive stripping voltammetric determination of4-aminophenol ata single-wall carbon nanotubes film coated[J].Talanta.2003,61:411-416.
- [17]J.J.Davis,R.J.Coles,A.O.H.Allen,Protein electrochemistry at carbon nanotube electrodes[J].Electroanal.Chem.1997,440:279-282.
- [18]P.J.Britto,K.S.V.Santhanam,J.V.Alonso,A.Rubio,P.M.Ajayan,Improved chargeTransfer atCarbonNanotubeElectrodes[J].Adv.Mater.1999,11:154-157.
- [19]C.Journet,W.K.Maser,P.Bernier,A.Loiseau,S.Lefrant,P.Deniard,R.Lee andJ.E.Fischer,Large-scaleproduction of single-walled carbon nanotubes by the electric-arc technique[J].Nature.1997,388:756-758.
- [20]D.J.Suh,T.J.Park,W.I.Kim andI.K.Hong,Synthesis of high-surface-area ruthenium oxide aerogels by non-alkoxide sol-gel route,J.Power[J].Sources.2003,117:1-6.
- [21]Y.G.Wang,X.G.Zhang,Preparation and electrochemical capacitance ofRuO2/TiO2 nanotubes composites,Elec-trochimica.Acta.2004,49:1957-1962.
- [22]R.Schrebler,P.Cury,F.Herrera,H.Gomez andR.Cordova,Study of the electrochemical reduction ofCO2 onelectrodeposited ruthenium electrodes in methanol media[J].J.Electroanal.Chem.2001,516:23-30.
- [23]夏盛清(XiaSheng-Qing),陈声培(ChenSheng-Pei),孙世刚(SunShi-Gang),草酸在铂基Sb-Pb表面合金电极上的催化还原[J].物理化学学报(WuliHuaxueXuebao),2001,17:140-143