从专利地图看日系锂电池安全设计

0472752009/11TheViewofSafetyDesignonLithiumBatteryfromPatentMaptoJapaneseManufactoryF.M.Wang(MCL/ITRI)SonyAccordingtoagettingvigorousmarketoftheelectricvehicleandpowertools,therequirementoflithiumionbatterywhichisthemostpopularandpowerfulenergysponsoroftheworldisalsoraising.However,thesafetyproblemonlithiumbatteryisstilltheissuewearepursuing;therefore,thebatterymanufactoriessuchasSony,SanyoandMatsushitaCo.arefacingabiggestchallengebetweenbatteryperformanceandsafety.Inaddition,theJapanmanufacturingtechniquesanditsinvestigationpropertiesarealsothetargettoimitate;therefore,thepatentmap,overallarrangementandpublishingpaper/newsarealsotheimportantmessagetous.However,thereislittleinformationtellingaboutthelithiumionbatteryfromJapanmanufactories,especiallyfortheinvestigationtactics.Wehavetriedtoarrangeanddescribetheirplanthroughthisspecialsubject./KeyWords(LithiumIonBattery)(SafetyIssue)(PatentMap)1990Sony202752009/11048Sony(Sanyo)(Matsushita)(esp@cenet,EuropeanPatentOffice)2008920098Sony20/(SEI)2006SonySonySanyoMatsushitaCompanyCellDesignMaterialPowerManagement557132Electrode4107Electrolyte91182008.9~2009.60492752009/11/SonySEI2~102752009/11050(/SonyPVDF-HFPUS2009123851Sony/CompanyMaterialCellDesignPowerManagementElectrodeElectrolyteCathodeAnodePolymerSeparatorSonyUS2008254368US2009123851US2009061325JP2008234988US2009104532US2009130555US2009123849US2009117465CN101373851US2009061325JP2009021229JP2008288214JP2008293872JP2008262777JP2008251433JP2008243828US2009035642JP2008235049CN101369007SanyoJP2008311211KR20080091501US2008286657US2009130566US2009087752US2009081556CN101371382JP2008311211JP2008270147JP2008277086US2008286657CN101252205JP2008243810JP2008226537–JP2008293771JP2008243704JP2008243719JP2009038013JP2009032656JP2009022079JP2009022078JP2008228492US2009087752JP2008277086JP2008251218JP2008243659JP2008235153JP2008235150CN101257134MatsushitaWO2009031293JP2008293997EP2045867JP2009004250WO2009016801JP2008293969EP1978580JP2009004250KR20080099350WO2009001526WO2009057232JP2009004289JP2008282805CN101371395JP2008234852JP2009043625WO2009013890WO2009011132WO2009001502JP2008282805JP2009004360JP2009009801WO2009038035JP20090043492008.9~2009.60512752009/11US2009087752US200913056620072008SonyApelionApelionApelion0.7N/cmApelionApelionCuCGelCuCGelCGelSonyApelion10008006004002000DischargeCapacity(mAh)0100020003000400050006000CycleNumber2.01.61.20.80.40.0CellThicknessT(mm)CellSize54343610%DODCycleCapacity78%@6000CycleThicknessApelion+6%10%DODCyclePerformanceat45°CSonyApelionSonySonyApelionSonyJP2009004289JP20082348522752009/110522008SonySonyUS20090356422007ExternalShortOverchargeNailPenetrationCrashImpactDropThermalShockOverheatingCondition@60°C4.5C-4.3V-7h@R.T.φ2.5@R.T.13kN9.1kgWeightfrom61cm1.9m×12-40°C~75°C145°C/1hCharging4.32V–4.32V4.25V4.25V4.25V4.25V4.25VNowinUseO.K.O.K.O.K.O.K.O.K.O.K.O.K.O.K.ApelionO.K.O.K.O.K.O.K.O.K.O.K.O.K.O.K.BareCellw/oSafetyUnitTestMethodSafetyTestSonyPolymerBatterySonyApelionPositiveMaterialNegativeMaterialGelElectrolyteLiCoxM(1-x)O24.4V4.2VNon-carbon0.7N/cm0.4N/cmFluoridePolymer9mS/cmSony1238452675ABCDEFGHI1:CounterElectrodeFilm2:MoldFilm3:SupplyUnit4:CoatingUnit5:CoolingUnit6:SealingFilm7:WorkingElectrodeFilm8:Sol-gelPrecursorSony0532752009/11WO200903803580821993640Process1Process2KS-6NMPKS-6SlurryNMP(8%PVDF)LiCoO2NMPPVDFNMPSlurryLiCoO2Ink1Ink2706062527250338082∆VP∆VNPLNL50:AluminumCase52:ElectrolyticSolution60:PositivePlate62:NegativePlate70:PositiveTerminal72:NegativeTerminal80,82:VoltageSensors∆VP∆VP4847404546SOC40:ElectronicControlUnit2752009/11054/1.USPatent20082543682.USPatent20091238513.USPatent20090877524.JPPatent20082770865.JPPatent20082512186.JPPatent20082436597.JPPatent20082351538.JPPatent20082351509.CNPatent10125713410.WOPatent200903129311.JPPatent200829399712.USPatent200906132513.JPPatent200823498814.JPPatent200831121115.KRPatent2008009150116.USPatent200828665717.USPatent200910453218.USPatent200913055519.USPatent200912384920.USPatent200911746521.CNPatent10137385122.USPatent200906132523.JPPatent200902122924.JPPatent200828821425.USPatent200913056626.USPatent200908775227.USPatent200908155628.CNPatent10137138229.JPPatent200831121130.JPPatent200827014731.JPPatent200827708632.USPatent200828665733.CNPatent10125220534.JPPatent200824381035.JPPatent200822653736.JPPatent200900425037.KRPatent2008009935038.WOPatent200900152639.JPPatent200829387240.WOPatent200905723241.JPPatent200900428942.JPPatent200828280543.CNPatent10137139544.JPPatent200823485245.JPPatent200826277746.JPPatent200825143347.JPPatent200824382848.USPatent200903564249.JPPatent200823504950.JPPatent200829377151.JPPatent200824370452.JPPatent200824371953.JPPatent200903801354.JPPatent200903265655.JPPatent200904362556.WOPatent200901389057.WOPatent200901113258.WOPatent200900150259.JPPatent200828280560.JPPatent200900436061.JPPatent200900980162.CNPatent10136900763.JPPatent200902207964.JPPatent200902207865.JPPatent200822849266.WOPatent200903803567.JPPatent200900434968.200769.(IMLB2008)70.(ECSPrime2009)