二氧化钴锂电池专利

二氧化钴锂电池专利检索词：LiCoO2ANDBattery:（147patents）PAT.NO.Title17,939,205Thin-filmbatterieswithpolymerandLiPONelectrolytelayersandmethodUnitedStatesPatent7,939,205KlaassenMay10,2011AbstractAmethodandapparatusformakingthin-filmbatterieshavingcompositemulti-layeredelectrolyteswithsoftelectrolytebetweenhardelectrolytecoveringthenegativeand/orpositiveelectrode,andtheresultingbatteries.Insomeembodiments,foil-corecathodesheetseachhavingacathodematerial(e.g.,LiCoO.sub.2)coveredbyahardelectrolyteonbothsides,andfoil-coreanodesheetshavingananodematerial(e.g.,lithiummetal)coveredbyahardelectrolyteonbothsides,arelaminatedusingasoft(e.g.,polymergel)electrolytesandwichedbetweenalternatingcathodeandanodesheets.Ahardglass-likeelectrolytelayerobtainsasmoothhardpositive-electrodelithium-metallayeruponcharging,butwhenverythin,haverandomlyspacedpinholes/defects.Whenthehardlayersareformedonboththepositiveandnegativeelectrodes,oneelectrode'sdendrite-short-causingdefectsonarenotalignedwiththeotherelectrode'sdefects.Thesoftelectrolytelayerbothconductsionsacrossthegapbetweenhardelectrolytelayersandfillspinholes.Inventors:Klaassen;JodyJ.(Minneapolis,Assignee:CymbetCorporation(ElkRiver,Appl.No.:12/850,078Filed:August4,2010RelatedU.S.PatentDocumentsApplicationNumberFilingDatePatentNumberIssueDate<TD<TD>11458093Jul.,20067776478<TD<TD>60699895Jul.,2005<TD<TD>CurrentU.S.Class:429/300;429/304;429/322CurrentInternationalClass:H01M6/14

(20060101);H01M6/18

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PrimaryExaminer:Yuan;Dah-WeiD

AssistantExaminer:Best;Zachary

Attorney,AgentorFirm:KaganBinder,PLLCParentCaseText

CROSS-REFERENCETORELATEDAPPLICATIONS

ThisinventionisadivisionalofU.S.Ser.No.11/458,093,filedJul.17,2006,nowU.S.Pat.No.7,776,478byKlaassen,entitled"THIN-FILMBATTERIESWITHPOLYMERANDLIPONELECTROLYTELAYERSANDMETHOD,"whichclaimsbenefitofU.S.ProvisionalPatentApplication60/699,895filedJul.15,2005,whichisherebyincorporatedbyreferenceinitsentirety.ThisisalsorelatedtoU.S.patentapplication10/895,445entitled"LITHIUM/AIRBATTERIESWITHLiPONASSEPARATORANDPROTECTIVEBARRIERANDMETHOD"filedOct.16,2003byJ.Klaassen,theinventorofthepresentapplication,andtoU.S.patentapplicationSer.No.11/031,217entitled"LAYEREDBARRIERSTRUCTUREHAVINGONEORMOREDEFINABLELAYERSANDMETHOD"filedJan.6,2005,U.S.patentapplicationSer.No.11/458,091,entitled"THIN-FILMBATTERIESWITHSOFTANDHARDELECTROLYTELAYERSANDMETHOD"andU.S.patentapplicationSer.No.11,458,097,entitled"APPARATUSANDMETHODFORMAKINGTHIN-FILMBATTERIESWITHSOFTANDHARDELECTROLYTELAYERS"filedonJul.17,2006,whichareallincorporatedhereinintheirentiretybyreference.Claims

Whatisclaimedis:

1.Amethodcomprising:providingananodecomponentcomprisingafirstsheetthatincludesananodematerialandafirstLiPONlayercoveringtheanodematerialandhavingrandomlyspaceddefects;providingacathodecomponentcomprisingasecondsheetthatincludesacathodematerialthatincludeslithiumandasecondLiPONlayercoveringthecathodematerialandhavingrandomlyspaceddefects;andsandwichingapolymerelectrolytematerialbetweentheLiPONlayercoveringtheanodematerialofthefirstsheetandtheLiPONlayercoveringthecathodematerialofthesecondsheet,whereinthepolymerelectrolytematerialincludesagelandatleastpartiallyfillsandfixestherandomlyspaceddefectsinthefirstandsecondLiPONlayers.

2.Themethodofclaim1,furthercomprising:providingathirdsheetthatincludesananodematerialandathirdLiPONlayercoveringtheanodematerial;providingafourthsheetthatincludesacathodematerialthatincludeslithiumandafourthLiPONlayercoveringthecathodematerial;sandwichingapolymerelectrolytematerialbetweentheLiPONlayercoveringtheanodematerialofthethirdsheetandtheLiPONlayercoveringthecathodematerialofthefourthsheet;andsandwichingapolymerelectrolytematerialbetweentheLiPONlayercoveringtheanodematerialofthethirdsheetandtheLiPONlayercoveringthecathodematerialofthesecondsheet.

3.Themethodofclaim1,whereintheanodematerialofthefirstsheetisdepositedasalithium-metallayeronacopperanode-current-collectorlayerthroughtheLiPONlayer.

4.Themethodofclaim3,whereinthedepositionofalithiumanodeisdonebyelectroplatinginapropylenecarbonate/lithium-saltelectrolytesolutionpriortoassemblingthecell.

5.Themethodofclaim1,whereinthefirstsheetincludesacathodematerialonafaceoppositetheanodematerialandaLiPONlayercoveringthecathodematerial,andthesecondsheetincludesananodematerialonafaceoppositethecathodematerialandaLiPONlayercoveringtheanodematerial;themethodfurthercomprising:providingathirdsheetthatincludesananodematerialandaLiPONlayercoveringtheanodematerialonafirstface,andacathodematerialthatincludeslithiumandaLiPONlayercoveringthecathodematerialonasecondfaceoppositethefirstface;andsandwichingthepolymerelectrolytematerialbetweentheLiPONlayercoveringtheanodematerialofthethirdsheetandtheUPONlayercoveringthecathodematerialofthesecondsheet.

6.Themethodofclaim1,whereinthepolymerelectrolytelayerincludesapolyvinylidenedifluoride,propylenecarbonate,andalithiumsalt.

7.Themethodofclaim1,furthercomprisingthestepoflaminatingtwoormorebatterycellstogethertoformalaminatedbatterydevice.

8.Themethodofclaim1,whereinthelaminatedbatterydevicecomprisesastackoftwo-sidedanodecurrentcollectorsandtwo-sidedcathodecurrentcollectorsthatareconnectedinparallel.

9.Themethodofclaim1,whereinthelaminatedbatterydevicecomprisesastackoftwo-sidedanodecurrentcollectorsandtwo-sidedcathodecurrentcollectorsthatareconnectedinseries.

10.Themethodofclaim1,whereinthepolymerelectrolytelayerisanadhesivethatprovidesastructuralconnectionbetweentheLiPonlayers.

11.Themethodofclaim1,whereintheanodecomponentcomprisesacurrentcollectorontowhichisdepositedacathodematerial.

12.Themethodofclaim1,whereintheanodecomponentfurthercomprisesacurrentcollector,andwhereinalayeroflithiumisformedasanactiveportionofthecathodecomponentafterassemblyofthebatterycell.

13.Themethodofclaim1,whereinthepolymerelectrolytelayerissticky.

14.Themethodofclaim1,whereinthepolymerelectrolytelayercomprisespolyvinylidenedifluoride,propylenecarbonate,andalithiumsalt.

15.Themethodofclaim1,whereinthepolymerelectrolytelayercomprisesMEEP.

16.Themethodofclaim1,whereinthenegativeelectrodecomponentincludesanegative-electrodecurrentcollectormadeofametalthatdoesnotreadilyalloywithlithiumduringaplatingoperation,andlithiummetalisplatedontothenegative-electrodecurrentcollectorthroughtheLiPONlayeronthenegativeelectrodecomponent.

17.Themethodofclaim1,whereinthepolymerelectrolytelayercomprisesapolyphosphazeneandalithiumsalt.Description

FIELDOFTHEINVENTION

Thisinventionrelatestosolid-stateenergy-storagedevices,andmorespecificallytoamethodandapparatusformakingthin-film(e.g.,lithium)batterydeviceswithasoft(e.g.,polymer)electrolytelayer,andoneormorehardlayers(e.g.,LiPON)aselectrolytelayer(s)and/orprotectivebarrier(s),andtheresultingcell(s)and/orbattery(s).

BACKGROUNDOFTHEINVENTION

Electronicshavebeenincorporatedintomanyportabledevicessuchascomputers,mobilephones,trackingsystems,scanners,andthelike.Onedrawbacktoportabledevicesistheneedtoincludethepowersupplywiththedevice.Portabledevicestypicallyusebatteriesaspowersupplies.Batteriesmusthavesufficientcapacitytopowerthedeviceforatleastthelengthoftimethedeviceisinuse.Sufficientbatterycapacitycanresultinapowersupplythatisquiteheavyand/orlargecomparedtotherestofthedevice.Accordingly,smallerandlighterbatteries(i.e.,powersupplies)withsufficientenergystoragearedesired.Otherenergystoragebatteries(i.e.,powersupplies)withsufficientenergystoragearedesired.Otherenergystoragedevices,suchassupercapacitors,andenergyconversiondevices,suchasphotovoltaicsandfuelcells,arealternativestobatteriesforuseaspowersuppliesinportableelectronicsandnon-portableelectricalapplications.

Anotherdrawbackofconventionalbatteriesisthefactthatsomearefabricatedfrompotentiallytoxicmaterialsthatmayleakandbesubjecttogovernmentalregulation.Accordingly,itisdesiredtoprovideanelectricalpowersourcethatissafe,solid-stateandrechargeableovermanycharge/dischargelifecycles.

Onetypeofanenergy-storagedeviceisasolid-state,thin-filmbattery.Examplesofthin-filmbatteriesaredescribedinU.S.Pat.Nos.5,314,765;5,338,625;5,445,906;5,512,147;5,561,004;5,567,210;5,569,520;5,597,660;5,612,152;5,654,084;and5,705,293,eachofwhichishereinincorporatedbyreference.U.S.Pat.No.5,338,625describesathin-filmbattery,especiallyathin-filmmicrobattery,andamethodformakingsamehavingapplicationasabackuporfirstintegratedpowersourceforelectronicdevices.U.S.Pat.No.5,445,906describesamethodandsystemformanufacturingathin-filmbatterystructureformedwiththemethodthatutilizesapluralityofdepositionstationsatwhichthinbatterycomponentfilmsarebuiltupinsequenceuponaweb-likesubstrateasthesubstrateisautomaticallymovedthroughthestations.

U.S.Pat.No.6,805,998entitled"METHODANDAPPARATUSFORINTEGRATEDBATTERYDEVICES"(whichisincorporatedhereinbyreference)issuedOct.19,2004,byMarkL.JensonandJodyJ.Klaassen(theinventorofthepresentapplication),andisassignedtotheassigneeofthepresentinvention,describedahigh-speedlow-temperaturemethodfordepositingthin-filmlithiumbatteriesontoapolymerwebmovingthroughaseriesofdepositionstations.

K.M.AbrahamandZ.Jiang,(asdescribedinU.S.Pat.No.5,510,209,whichisincorporatedhereinbyreference)demonstratedacellwithanon-aqueouspolymerseparatorconsistingofafilmofpolyacrylonitrileswollenwithapropylenecarbonate/ethylenecarbonate/LiPF.sub.6electrolytesolution.Thisorganicelectrolytemembranewassandwichedbetweenalithiummetalfoilanodeandacarboncompositecathodetoformthelithium-aircell.Theutilizationoftheorganicelectrolyteallowedgoodperformanceofthecellinanoxygenordryairatmosphere.

Asusedherein,theanodeofthebatteryisthepositiveelectrode(whichistheanodeduringbatterydischarge)andthecathodeofthebatteryisthenegativeelectrode(whichisthecathodeduringbatterydischarge).(Duringachargeoperation,thepositiveelectrodeisthecathodeandthenegativeelectrodeistheanode,buttheanode-cathodeterminologyhereinreflectsthedischargeportionofthecycle.)

U.S.Pat.No.6,605,237entitled"Polyphosphazenesasgelpolymerelectrolytes"(whichisincorporatedhereinbyreference),issuedtoAllcock,etal.onAug.12,2003,anddescribesco-substitutedlinearpolyphosphazenepolymersthatcouldbeusefulingelpolymerelectrolytes,andwhichhaveanionconductivityatroomtemperatureofatleastabout10.sup.-5S/cmandcomprising(i)apolyphosphazenehavingcontrolledratiosofsidechainsthatpromoteionicconductivityandhydrophobic,non-conductivesidechainsthatpromotemechanicalstability,(ii)asmallmoleculeadditive,suchaspropylenecarbonate,thatinfluencestheionicconductivityandphysicalpropertiesofthegelpolymerelectrolytes,and(iii)ametalsalt,suchaslithiumtrifluoromethanesulfonate,thatinfluencestheionicconductivityofthegelpolymerelectrolytes,andmethodsofpreparingthepolyphosphazenepolymersandthegelpolymerelectrolytes.Allcocketal.discussasystemthathasbeenstudiedextensivelyforsolid-polymerelectrolyte(SPE)applications,whichisonethatisbasedonpoly(organophosphazenes).ThisclassofpolymershasyieldedexcellentcandidatesforuseinSPEsduetotheinherentflexibilityofthephosphorus-nitrogenbackboneandtheeaseofsidegroupmodificationviamacromolecularsubstitution-typesyntheses.Thefirstpoly(organophosphazene)tobeusedinaphosphazeneSPE(solidpolymerelectrolyte)waspoly[bis(2-(2'-metho