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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Carbontoelectricityinasolidoxidefuelcellcombinedwithaninternalcatalyticgasificationprocess
DOI: 10.1016/S1872-2067(14)60262-X, PP. 509-516
Keywords: Directcarbonfuelcell,Internalcatalyticgasification,Copper/ceriaanode,Copper/ceriacatalyst
Abstract:
？Thisstudyexploresstrategiestodevelophighlyefficientdirectcarbonfuelcells(DCFCs)bycombiningasolid-oxidefuelcell(SOFC)withacatalyst-aidedcarbon-gasificationprocess.ThissystememploysCu/CeO2compositesasbothanodicelectrodesandcarbonadditivesinacellofthetype:carbon|Cu-CeO2/YSZ/Ag|air.Thestudyinvestigatestheimpactoninsitucarbon-gasificationandDCFCperformancecharacteristicsofcatalystadditionandvariationinthecarriergasused(inertHeversusreactiveCO2).TheresultsindicatethatcellperformanceissignificantlyimprovedbyinfusingthecatalystintothecarbonfeedstockandbyemployingCO2asthecarriergas.At800℃,themaximumpoweroutputisenhancedbyapproximately40%and230%forcarbon/CO2andcarbon/catalyst/CO2systems,respectively,comparedwiththatofthecarbon/Heconfiguration.TheincreaseobservedwhenemployingthecatalystandCO2asthecarriergascanbeprimarilyattributedtothepronouncedeffectofthecatalystoncarbon-gasificationthroughthereverse-Boudouardreaction,andthesubsequentinsituelectro-oxidationofCOattheanodethree-phaseboundary.
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