JODO铝电解生产工艺

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1、TantalumElectrolyticCapacitor钽电解电容上海聚电实业有限公司ShanghaiJodoCo.,Ltd.上海聚电实业有限公司EnvironmentalProgram/SupplierPresentation—2Allrightsreserved©2002,JodoApplicationsofAluminumElectrolyticCapacitors铝电解电容的应用PhotoFlashS.P.S.forPersonalComputerSwitchingPowerSupplyRobotInverter

2、sInverterforTrainApplicationDiagram应用示图[FunctionsatinitialstageofSWpowersupply]OutputsmoothingInputsmoothingFusecircuitcircuitACInput＋＋OutputDCVoltage－－SwitchingCircuitTrancemission-waveACVoltagerectificationformrectificationformApplicationDiagram应用示图[Functionsats

3、econdstageofSWpowersupply]InputsmoothingOutputsmoothingFusecircuitcircuitACInput＋＋Output－－SwitchingcircuitSwitchingrectificationformWaveformafterswitchingDCVoltageConstructionofAluminumElectrolyticCapacitors铝电解电容的结构Insulationcap绝缘盖Terminal端子ElectrolyticPaperLead引线

4、CathodeFoil阴极金属薄膜AnodeFoilElement阳极金属薄膜Case外壳BasicStructure基本结构dC=ε•S/d　ε＝•εo＋－εr：Proportionaldielectricconstantεo：Dielectricconstantinavacuumd：DistancebetweenelectrodesS：ElectrodeareaDielectricElectrolyticPaperAluminumOxideLayerElectrolyte＋－AnodeFoilCathodeFoilMa

5、nufacturingprocess生产流程MaterialFactory6.Assembling1.Etching2.Anodization7.AgingHagaFactory(assembly)8.Covering3.Slittingpaper4.Winding9.Piecebypiececheck10.Finalinspection5.Impregnation11.PackagingshipmentProductionofAnodeFoils生产阳极箔OriginalFoil100µmEtchedExpandinga

6、surfaceareabyetchingFoilAnodizedOxidizealuminum(Al2O3)Foilisformedbyanodization.500mmAnodizingmachineEtching蚀刻ProcesstoexpandasurfaceareaofProcesstoexpandasurfaceareaofaluminumfoil.aluminumfoil.①Highpurifiedaluminumfoils②TakingawayBasicoxidelayer③Electricaltreatme

7、nt.④TreatmentbyaqueouschloridesolutionsThus.OriginalfoilPre-conditioningEtchingbyDCChemicaletchingBasicoxidelayerBasicoxidelayerPitformationPitexpansion　＝5~10Åremoved①②③0.1mm④about50to100timessurfaceareaforlowvoltagetype,about10to40timesforhighvoltagetype.Anodizat

8、ion阳极氧化　ProcesstoformthedieProcesstoformthedielleeccttricformaricformattion(Aion(AllOO））..23①Etchedfoilsareputintoammoniumborateliquid.②Loadingthevoltag