Battery基本知识,生产工艺,可靠性实验及失效分析

Title：Battery基本介紹1.Battery構造及生產工藝介紹2.Battery使用注意事項3.Battery不良現象及FA分析在客戶端使用中會發現有那些不良現象?貴司在做不良分析時從哪几個方面進行分析?以及針對每種不良所分析出來的根本原因有哪些?4.Battery可靠性實驗Lithium-IonBatteryFundamentals&HandlingJiaYunyanBatterySales&MarketingDiv.ElectronicDevicesMarketingChinaSony(China)Limited2009/06/10SonyLi-Ionbattery-LithiumIonCellIntroduction2009/5/26Page4CellTypeCellChemicalPhysicalSolarCellPrimarycellSecondarycellFuelcellAqueoussolutiontypeanti-AqueoussolutiontypeLeadacidNickelCadmiumNickelMetalHydrideNickelZincVanadiumLithiumNiobeLithiumLithiumIon2009/5/26Page5SecondaryBatteryComparisonVoltage/VDischargeCapacity/mAh4.03.02.01.00050015002000LeadAcidNiCdBatteryNiMHBatteryAAsizeestimationStandardHighCapacityLithiumIonBattery10002009/5/26Page6ChargemechanismLi+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Charger------ElectrolyteSeparatorAnodeCathode-----2009/5/26Page7DischargemechanismLi+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+Li+------ElectrolyteSeparatorAnodeCathode----2009/5/26Page8Sony’sApproachforHighPerformanceCellHighCapacity&LongCycle◇ElectrodeTechnique◇MaterialTechnique◇SeparatorTechnique◇ElectrolyteTechnique◇CellStructureUS18650:Diameter:18mmHeight:65mm2009/5/26Page9ポリマーPolymerトップインシュレーターTopinsulatorMechanicalStructureofLi-ionbatteryandLi-ionpolymerbattery端子版正極ピンインシュレーター安全弁ガスケット正極リードセパレータキャッププレートＰＰケースバネ板負極缶負極正極角形Prismatic2009/5/26Page10＜Electrode＞＜TabWelding,GelTreatment＞(Mix)(JAPAN）(CHINA）(Slitting）(Tabwelding）(GelTreatment）(anode）(cathode）(Separator）AssemblyCharge/Discharge(FinishedCell）(Separator）(Coating/Press）WindingPolymerBatteryCellProductionProcess2009/5/26Page11＜SLITTER＞＜SEALANT＞＜TABWELDING＞＜GELTreatment＞＜ASSEMBLY＞＜CHARGE/DISCHARGE＞＜ASSESSMENT＞BatteryProductionProcessSonyLi-Ionbattery-PackTechnique2009/5/26Page13PackInsideViewLABELCASE(TOP)TABPCBConnectorCELLCASE(ＢＯＴＴＯＭ)LEDLABELLEADWIREINSULATORLABELCASE(TOP)TABPCBConnectorCELLCASE(ＢＯＴＴＯＭ)LEDLABELLEADWIREINSULATOR2009/5/26Page14C-FETD-FETSR2AFEMPUCell-TH5.1kToFET1k1kFusewithheaterThermistorBatteryConnector5.1kPre-FET2ndICOUTFET-THPackTechnique-EEPCBCircuit2009/5/26Page15AFE(AnalogFrontEnd)・MonitorofeachCellblockvoltage・FETControl・PowerSupplytoMPUMPU(MicroProcessorUnit)・SMBusCommunication・MonitorofCelltemperatureandFETtemperature・Monitorofchargeanddischargecurrent・MeasurementofVoltageandcontent=batterycapacity・FuseBlowSignalOutputControlandprotect・ControlandprotectionofCharge/DischargeFETbytemperatureofCellandFET.(OTP)・ControlandprotectionofCharge/DischargeFETbyCellvoltage.(OVP)・ControlandprotectionofCharge/DischargeFETbychargeanddischargecurrent(OCP)FunctionofAFE&MPU2009/5/26Page16PackTechnique-ME・Overall・BatteryPackLabel・BatteryPackCase2009/5/26Page17BatteryPackME-OverallA.BottomTypeB.SlotTypeC.PCHingeTypeMERequirement•MechanicalReliability（Drop,Vibration）•DimensioncompliancewithSpec.•CosmeticsinaccordancewithSystem(Texture,Paint)•CompliancewithSafetyCertificate（UL、TUVetc.）•Environmentalrelatedrestrictions（Rohs、ChinaRohs、Japan/EUrecycle)2009/5/26Page18BatteryPackLabel2009/5/26Page19Safety&GreenMarkonBatterylabelEnvironmentalProtectionUsePeriodRechargeableBatteryRecyclingCorporation://=ON/OFFCharge=ON/OFFDischarge=ON/OFFAlarmControlPre-Charge=ON/OFFCharge=ON/OFFDischarge=ON/OFFAllFETsareOFFProtectionControlPre-Charge=OFFCharge=OFFDischarge=OFFFailureControlPre-Charge=OFFCharge=OFFDischarge=OFFFETsarecontrolledwiththenormalcellstatus.DetectProtectionConditionDetectFailureConditionDetectReleaseProtectionConditionDetectAlarmConditionBMUcontrolsFETsasfollows:DetectReleaseAlarmConditionPackTechnique-SoftwareSonyLi-Ionbattery-FactoryHandling-2009/5/26Page22PackDesigning(1)Placetemperature-protectionelementsclosetoabatteryandconnectthesafetyelementstoabatteryinseries.(Temperaturefuse/Thermostat)(2)Placebatterycellwithmin.0.3mmspacebetweencells.Heat-resistantinsulatortapeorholdingmoldcanbeused.(3)Itisrecommendedthatprotectioncircuitsmonitoreachbatteryvoltagetopreventoverdischarge.(battery-voltageunbalance).Thisunbalancebecomeobviousattheendofdischarge.(4)Configurecellplacementtomakeheatgenerationofthecellsequallydistributeinthepack.Instructionsforbatteriesandbatterypacks2009/5/26Page23HandlingatassemblyLine(1)Takeeverypossiblecarewhenhandlingbatterycellsforassembly.(2)Donotgiveastrongshocktoabatteryanddonotdropabattery.(3)Assemblersarerecommendednottoweartherings.(4)Donotshortterminal(+)and(-).Instructionsforbatteriesandbatterypacks2009/5/26Page24InstructionsforbatteriesandbatterypacksStorage(1)Itisrecommendedthatabatterypack(batterycells)bestoredincool&dryenvironment.(2)Avoiddirectraysofthesunandheatwhenstoringabatterypack(batterycells)inthewarehouse.(3)Storeabatterypack(batterycells)indryatmospherewithlowhumidity.(4)Donots