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1、化学学院物理化学专业研究生课程“电极过程动力学”授课教师:陈胜利Tel:68754693Email:slchen@whu.edu.cnOffice:化学楼1-35授课教材查全性等著:《电极过程动力学导论》(第三版,科学出版社,2002年)推荐参考书WrittenbyAllenJ.BardandLarryF.Faulkner,《ElectrochemicalMethods:FundamentalsandApplications》(SecondEdition,Wiley,2001)邵元华等译,《电化学方法:原理及应用》(第二版,化学工业出版社,2005年)
2、Chapter1INTRODUTIONANDOVERVIEWOFELECTRODEPROCESSESElectrochemistry?Thelaws(principles)andthetechnologiesconcerningtheconversionbetweenchemicalenergyandelectricalenergyInterrelationbetweenchemicalphenomena(chemicalreactions,chemicalchanges,etc.)andelectricphenomena(charge,current,
3、potential,electricfield,etc.)Withahistoryofmorethantwocenturies,electrochemistryhasbeenatypicalexampleofatrulyinterdisciplinary(各学科间的)areaofscienceandtechnology.Itsrootshavebeeninchemistry,physics,materialsandbiologicalscienceanditsapplicationsspreadingfromelectrochemicalanalysis
4、andsynthesistoenvironmentalprotectionandenergyconversionandstorage.Everydaylifeitemssuchasbatteries,theglucose(葡萄糖)sensoranddomesticormedicalgassensorsarenowacommodity,whiletheprospectofmassproductionof"green"electricvehicles(Electricvehicles)isnomoreachallengebutaviableoption.On
5、anindustrialscale,apartfromthenowmaturechlor-alkaliandmetalfinishingandextractionindustries,thereissignificantactivityintheareasofenergyconversionandstoragebymeansoffuelcellsandsolarcellsaswellasintheuseofelectrochemicalmethodsforeffluenttreatment.“Electrochemistryprovidesmanyopp
6、ortunitiesforsustainabledevelopment.”ElectrochemicalCellsandReactionsPtPtPtPtH2SO4SolutionH2O2H2O2H+H+H2OH+H2OH+e-e-e-e-Cathode:1/2O2+2H++2e-=H2OAnode:H2=2H++2e-Overallcellreaction:H2+1/2O2=H2OPositiveelectrode:H2O=1/2O2+2H++2e-Negativeelectrode:2H++2e-=H2Overallcellreaction:H2O=
7、H2+1/2O2GalvanicCell(原电池)VoltaicCellH+H+ThefeaturesofelectrochemicalreactionsTheoverallredoxreactionismadeupoftwohalf-reactionstakingplaceindependentlyattwolocationswhereelectronicconductors(Electrodes)andionicconductors(electrolytes)aremadeincontact;Charge(electronorions)transfe
8、rbetweentheelectrodesandchemicalspeciesa