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CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM

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CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM ( cathode-active-material-coated-discrete-graphene-sheets-for- )

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27 vapororatomsontoasurfaceofsaidgraphenematerial toformacoatedfilmofacathodeactivematerial-coated graphenematerial; c.mechanicallybreakingsaidcoatedfilmintomultiple piecesofcathodeactivematerial-coatedgraphene5 shets;and d.combiningmultiplepiecesofcathodeactivematerial coatedgrapheneshetswithanoptionalbinderresinto formsaidcathodeelectrode. 10 27.Theprocessofclaim26,whereinsaidstep(d)of formingsaidelectrodeincludescombiningmultiplepiecesof cathodeactivematerial-coatedgrapheneshetswithan optionalcarbonorgraphitematerialandoptionalgraphene shetstoformapluralityofsecondaryparticleshavingasize15 lesthan20Lumandcombiningsaidsecondaryparticleswith saidoptionalbinderresintoformsaidelectrode. 28.Theprocessofclaim26,whereinsaidcontinuousfilm ofagraphenematerialisproducedbysprayingagraphene SuspensionontoasolidSubstrate,whereinsaidgraphene Suspensioncontainsagraphenematerialdispersedinaliquid medium,andbyremovingsaidliquidmedium. 29.Theprocessofclaim26,whereinsaidcontinuousfilm ofagraphenematerialisproducedbychemicalvapordepo sitionofagraphenematerialontoasolidSubstrate. 30.Theprocessofclaim26,whereinsaidcoatedfilmofa cathodeactivematerial-coatedgraphenematerialhasacath odeactivematerialcoatingthicknesslesthan500nm. US9,203,084B2 28 31.Theprocessofclaim26,whereinsaidstep(b)of formingacathodeactivematerial-coatedgraphenematerial entailschemicalvapordeposition,physicalvapordeposition, sputering,orlaser-asistedthin-filmdepositionofacathode activematerialontoafilmofagraphenematerial. 32.Theprocessofclaim26,whereinsaidstep(c)of mechanicalbreakingentailsairjetmiling,impactmiling, grinding,mechanicalshearing,ultrasonication,oracombi nationthereof. 3.Theprocessofclaim27,whereinsaidstepofcombin ingsaidmultiplepiecesofcathodeactivematerial-coated grapheneshetsintoasecondaryparticlecomprisesdispers ingsaidmultiplepiecesofcathodeactivematerial-coated grapheneshetsinaliquidmediumtoformamulti-compo nentSuspensionanddryingsaidmulti-componentSuspension toformsaidsecondaryparticleusingaspray-drying,spray pyrolysis,fluidized-beddrying,atomization,oraerosolizing step. 34.Theprocessofclaim26,whereinsaidstep(a)ofpro vidingacontinuousfilmofagraphenematerialincludes feedingsaidcontinuousfilmfromafeederrolerintosaid depositionZoneandsaidstep(b)furtherincludescolecting saidcoatedfilmontoawindingroler. 35.Theprocessofclaim26,furthercomprisingastepof 25 separatingorremovingsaidgraphenesheetfromsaidcathode activematerialsandastepofcolectingsaidcathodeactive material.

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CATHODE ACTIVE MATERIAL-COATED DISCRETE GRAPHENE SHEETS FOR LITHIUM

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