燃料电池汽车动力系统过程模拟

2008年第53卷第24期:3051~3055SCIENCEINCHINAPRESS,,*,,200240*,E-mail:[e-mail]2008-08-22,2008-11-28(:2007CB209707)(:2007AA05Z145)(:06SN07115,07JC14024).Matlab/Simulink,.,,.,,[1].,,.,,,,,21.,,,,.,.,,,.,,,,1995,Kim[2],,Alejandro[3],.,,,[4],.(PEMFC),Matlab/Simulink.,,().,..1,.,期,,,.1.1().,,.,,.,:adP111dadsvspPpqpκκκκ−⎛⎞⎛⎞⎜=⎜⎟⎜−⎝⎠⎜⎟⎝⎠⎟−⎟,(1),ps(Pa),pd(Pa),κ,qv(m3/s).,Pcomp,ηad.,Pcomp=pad/ηad.(2),ηad0.75~0.85;,ηad0.65~0.75.()..,,,2H2/inIuFqN=,(3)u.PEMFC,,,2HOp(1),[5]:22HOlog()2.9510(273.15)pT−=×⋅−529.1810(273.15)T−−×⋅−.(4)731.4410(273.15)2.18T−+×⋅−−222HHOHO1.33410.511.635(/)expapppIApT⎡⎤=⋅⋅−⎢⎥⋅⎛⎞⎢⎥⋅⎜⎟⎢⎥⎝⎠⎣⎦.(5),:222OHOHO1.334114.192(/)expcpppIApT⎡⎤=⋅−⎢⎥⋅⎛⎞⎢⎥⋅⎜⎟⎢⎥⎝⎠⎣⎦.(6):222OHON0.8320.291(/)expcIAppppT⋅⎛=−−⋅⎜⎝⎠⎞⎟.(7)papc(1),(1),T(K),A(cm2),I(A).2Np1.2:,22H4H4e+−→+:,22O4H42HOe+−++→:.2222HO2HO+→PEMFC,.Nernst:220.5Nernst0HO()ln(222GSRTETTpFFF)pΔΔ⎡⎤=+−+⋅⎣⎦,(8)T0.,,1.229V.(8),Nernst:3Nernst1.2290.8510(298.15)4.3085ET−=−×−+,(9)225OH10[ln()]Tpp−×⋅0.5[6]:22123O45O[ln()[0.90.00247.310ln()actUTTCTTTln()]ICξξξξ−=−+⋅+⋅⋅+⋅⋅=−−+⋅+×⋅⋅0.00023ln()]TI−⋅⋅,(10)ξ1,ξ2,ξ3,ξ4,,,3052[5].,Henry2OC[6,7]:.(11)226OO/((5.0810)exp(498/))CpT=×−:.[6]55ohmic(0.016053.510810)UT−−=−×⋅+×II⋅.(12),,.[8]conmaxln1JUBJ⎡⎤=−−⎢⎣⎦⎥U,(13)B.J(A/cm2),Jmax(A/cm2).,.(14)NernstactohmicconUEUUU=−−−N,,(15)stackUN=⋅stackstackPU=I⋅.(16)1.3PEMFC,().[9,10]:,(17)stack(1.481)QNIUΔ=⋅⋅−Qgas_inQgas_out.,,,(18)44rad0(bQaTδσΔ=⋅⋅⋅−)T0)δ,σb.a(m2).,(19),(WWpwQqCTTΔ=−,Cp,w[J/(mol·K)],.,,.(20)stackgas_inradgas_outwQQQQQΔ+=Δ+Δ+(20)qw,.2,Matlab/Simulink,Simulink1.1[11].1(N)332/mmm0.80.150.2T/K353.15(u)0.7F/C·(kmol)−196484600R/J·(kmol·K)−18314.47ps/Pa1.013105(κ)1.4(ηad)0.75(δ)0.8σb/W·(m2·K4)−15.6710−8T0/K298.15B/V0.05,,,.MatlabFminsearch,2PEMFC,PEMFC.,,,,,,,,80.3~5.3,,PsystemPstackPcomp.,,,,.,30532008年12月第53卷第24期1Simulink32.,,,.,(1),.,.,,0.18mol/s.,,,,,.(16),,,0.075mol/s.4,305445,.,,,298.15K,5.8mol/s,0.38m3/h.3,5,,.,,,,.1ZWeberA,NewmanJ.Modelingtransportinpolymer-electrolytefuelcells.ChemRev,2004,104(10):4679—4726[doi]2KimJ,LeeSM,SrinivasanS.Modelingofprotonexchangemembranefuelcellperformancewithanempiricalequation.JElectro-chemSoc,1995,142(8):2670—2674[doi]3JdelRealA,ArceA,BordonsC.DevelopmentandexperimentalvalidationofaPEMfuelcelldynamicmodel.JPowerSources,2007,173(1):310—324[doi]4BaoC,OuyangMG,YiBL.Modelingandoptimizationoftheairsysteminpolymerexchangemembranefuelcellsystems.JPowerSources,2006,156(2):232—243[doi]5NguyenTV,WhiteRE.Awaterandheatmanagementmodelforproton-exchange-membranefuelcells.JElectrochemSoc,1993,140(8):2178—2186[doi]6AmphlettJC,BaumertRM,MannRF,etal.PerformancemodelingoftheballardmarkIVsolidpolymerelectrolytefuelcell.JElec-trochemSoc,1995,142(1):9—15[doi]7MannRF,AmphlettJC,AIHooperM,etal.Developmentandapplicationofageneralisedsteady-stateelectrochemicalmodelforaPEMfuelcell.JPowerSources,2000,86(1-2):173—180[doi]8AndujarJM,SeguraF,VasalloMJ.Asuitablemodelplantforcontrolofthesetfuelcell-DC/DCconverter.RenewEnerg,2008,33(4):813—826[doi]9LinB.ConceptualdesignandmodelingofafuelcellscooterforurbanAsia.JPowerSources,2000,86(1-2):202—213[doi]10HirchenhoferJH.FuelCellHandbook.5thed.WestVirginia:NationalEnergyTechnologyLaboratoryPress,200011UzunogluM,AlamMS.Dynamicmodeling,designandsimulationofaPEMfuelcell/ultra-capacitorhybridsystemforvehicularap-plications.EnergConversManage,2007,48(5):1544—1553[doi]3055