不同测试技术下超级电容器比电容值的计算

—。米娟1,2，李文翠1(1.1160242.300384)。。CapacitancecalculationofsupercapacitorsbasedondifferenttesttechnologiesMIJuan1,2,LIWen-Cui1(1.StateKeyLaboratoryofFineChemicals,SchoolofChemicalEngineering,DalianUniversityofTechnology,DalianLiaoning116024,China;2.TianjinInstituteofPowerSources,Tianjin300384,China)、、、[1]。、。。[2-3]。()1V。C(F)(mF)(mF)。、(Q)(U)C=Q/U(I)Q=ItC=I/(dU/dt)。I(dU/dt)。、。、。。。。[4]。。、[5-8],,,。。[9]dQ=Idt(1)C=Q/U(2)I=dQ/dt=CdU/dt(3)IAdQCdtsdUV。。(3)(I)(C)。。(4)mgdU/dtV/s。(4)1[1]。。。。。(5)[10-11]。(5)mguV/sV1V2VIA。()()。(5)。Q(2)[12](6)Q()CmgDEV。。、、、/。。/[13-14]。、。(7)[1,15-16](7)IADtsDUVmg。(5)(7)。(5)d/dICmUt-?150750-75-1500.00.51.01.52.02.53.0
/(Fg)V/V1(/)d()11(/)dd()()CQVVmVVIVIVmVVmVV-?-??????????-??dIV?QCmE-?ItCmU?????dU/dt。(7)k=dU/dt。/。k=dU/dt(7)。。(7)。2[17]IR。。(7)20%80%DU'DU'(7)DU。。。[18]。Yushin[19]、。(8)fHzZImZReWmg。。。。。。。(7)。、、。。。。。。[20](3)C(9)01002003004001.51.00.50.0-0.5-1.0-1.5Vvs/V(.Ref.)t/s-?=2pZCfZZm???111=+CCC
(+)()?C1=C2=C(9)(10)(10)(11)m。(11)(Cunit)(Csingle)4[21-22]。()()。Yushin[19](IAdV/dtV/smg)。Puziy[22]Cspec-cell=I·Δt/ΔV(IA/gΔtsΔVV)。mmm。(F/g)[23]。、。1mg[24-25]。900F/g[26](300~400F/g)。Gogotsi。30%。20Wh/kg5Wh/kg(100~200mm10mg/cm2)[23]。(1cm－2)410mg/cm210mg/cm2[27]。1mg/cm210mg/cm2。5~10mg/cm2(1~2mg/cm2)。。、(F/cm3)(F/m2)。。、。。1=2CC11===244CCCCmm
2=(d/d)ICmVt35030025020015010050403020100MC-KIT-6ACC/(Fg)
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