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1、2011IEEEFirstConferenceonCleanEnergyandTechnologyCETAReviewonPreparationofSDC-CarbonateasCompositeElectrolyteMaterialforIntermediateTemperatureSolidOxideFuelCells(IT-SOFC)MuhammedAliS.Aa,AndanastutiMuchtara,b,*,NorhamidiMuhamada,b&AbuBakarSulonga,baFuelCellIn
2、stitute,UniversitiKebangsaanMalaysia.bDepartmentofMechanicalandMaterialsEngineering,FacultyofEngineering&BuiltEnvironment,UniversitiKebangsaanMalaysia,43600UKMBangi,Selangor,Malaysia.Email:muchtar@eng.ukm.myTel:+6-0192727190,Fax:+603-89216024Abstract-SolidOxi
3、deFuelCells(SOFCs)isapromlsmgSimilartoothertypesoffuelcells,twoelectrochemicaltechnologywithuniquecharacteristicstogenerateelectricitybyreactions(oxidationandreduction)takeplaceinSOFCs[3].combiningfuelandoxygenionsinanelectrochemicalreaction.Oxygenissuppliedf
4、romanexternalsourcetothecathodeHowever,ceramicbasedfuelcellsgenerallyoperateathighwhichreactswithelectronsfromanexternalcircuittoformtemperaturesaboveBOO·C.Recentresearcheshavegivenmuchoxidizedions.Theseoxidizedionsmigratetotheanodesideimprovementinreducingth
5、etemperatureandloweringthethroughanionconductingelectrolyte.TheoxidizedionsmanufacturingcostsbydevelopingnewmaterialstothencombinewithhydrogeninthefueltoformwaterandcommercializeSOFCs.Theoverallperformanceofthecellfreeelectrons.Electrons(electricity)flowfromt
6、heanodetodependsoneachcomponentinthecell.Compositeelectrolytesthecathodethroughanexternalcircuit.However,SOFCsbasedonamixtureofsamarium-dopedceria(SDC)-carbonateisoperateathighoperationtemperatures(800-1000°C)whichthemostcommonlyusedelectrolyteforSOFCsoperati
7、ngatlowcancreateproblemssuchashighpossibilitiesofinterfacialtemperatures.Highconductivityandelectricalinsulationarethereactionbetweenelectrodeandelectrolyte,crackformationtwoimportantneedsforanelectrolytetoyieldbetterperformanceduetomismatchofthethermalexpans
8、ioncoefficient(TEC)basedonthepurityofpreparedSDCpowders.Thispaperreviewsofthecellcomponentsandrequirementofhigh-costseveraldifferentmethodsforpreparingpureSDCpowders.Theadvantagesanddisad
