鋰電池英文生產(chǎn)流程

Mixing(配料)Mixsolventandboundseparatelywithpositiveandnegativeactivematerials.Makeintopositiveandnegativepastymaterialsafterstirringathighspeedtilluniformity. Coating（涂布） Now,weareincoatingline.Weusebackreversecoating.Thisistheslurry-mixingtank.Theanode（Cathode）slurryisintroducedtothecoatingheaderbypneumaticityfromthemixingtank.Theslurryiscoateduniformlyonthecopperfoil,thenthesolventisevaporatedinthisoven.（下面的依據(jù)情況而定）Therearefourtemperaturezones,theyareindependentlycontrolled.Zoneonesetsat55degreeC,zonetwosetsat65degreeC,zonethreesetsat80degreeC,zonefoursetsat60degreeC.Thespeedofcoatingis4metersperminute.Youseetheslurryisdried.Theelectrodeiswoundtobeabigrollandputintotheoven.Thetimeismorethan2hoursandtemperatureissetat60degreeC.Throughoutthecoating,weusemicrometertomeasuretheelectrodethicknessperabout15minutes.Wedothisinordertokeepthebestconsistencyoftheelectrode.Vocabulary:coatingline涂布車間backreversecoating輥涂coatingheader涂布機頭Al/copperfoil鋁/銅箔degreeC攝氏度temperaturezones溫區(qū)windtobea（big）roll收卷evenly/uniformly均勻oven烘箱evaporate蒸發(fā)electrode極片CuttingCutarollofpositiveandnegativesheetintosmallersheetsaccordingtobatteryspecificationandpunchingrequest.PressingPresstheabovepositiveandnegativesheetstilltheybecomeflat.PunchingPunchingsheetsintoelectrodesaccordingtobatteryspecification,ElectrodeAftercoatingwecompresstheelectrodewiththiscylinderingmachineatabout7metersperminute.Beforecompresswecleantheelectrodewithvacuumandbrushtoeliminateanyparticles.Thenthecompressedelectrodeiswoundtoabigroll.Weusemicrometertomeasurethecompressedelectrodethicknessevery10minutes.Aftercompressingwecutthewebintolargepieces.Wetapethecathodeedgetopreventanypossibleinternalshort.Thelargeelectrodewithedgetapedisslitintosmallerpieces.Thisisultrasonicprocessthataluminumtabsareweldedontocathodesusingultrasonicweldmachine.Wetapetheweldsectiontopreventanypossibleinternalshort.Andfinally,wecleanthefinishedelectrodeswithvacuumandbrush.Vocabulary:cylindering柱形輥壓vacuum真空particle顆粒wound旋緊卷繞micrometer千分尺internalshort內(nèi)部短路slit分切ultrasonic超聲波weld焊接AnodemakingInanodemakingprocess,wecutthematerialintocertainlengthstrips.Atthemeantime,weputasmallpieceofinsulationtapetothetabinordertopreventanypossibleinternalshort.Thenthepreparednickeltabisrivetedonanodeandpatplain.Wealsotapetherivetsectiontopreventanypossibleinternalshort.Andfinally,wecleanthefinishedelectrodeswithvacuumandbrush.JellyrollThisisJellyroll,amanualwindingprocess.InthecourseofJellyroll,firstly,weplacetheseparatorinbetweencentralpins,pressthefootswitchtoturncentralpinsabout120degrees.Secondly,placetheanodetotheedgeofcentralpins,andturncentralpinsabout180degrees.Lastly,placethecathodetotheedgeofcentralpins.Duringthewindingprocess,weapplytensionbypressingtheelectrodesandtheseparator.Weputtheterminationtapeattheend.AfterJellyroll,wechecktheshortcircuit,thenformtheJellyrollbypressing,sothatitiseasiertoinserttheJellyrollintothecan.Controlpoints:1.Whenwindingtotheendoftheanode,coveringtheanodecompletelybytheseparator.2.Inthewholeprocess,itisthemostimportantpointstoensurethebestalignmentamongthecathode,theanodeandtheseparatorfortheJellyroll.Theseparatorhastocovertheanodeandthecathode,andtheanodehastocoverthecathodecompletely.Thesepointsaremainlycheckedbeforeshortchecking.Vocabulary:Jellyroll卷繞Manual手工的Separator隔膜紙centralpin卷針footswitch腳踏開關(guān)anode負極片cathode正極片terminationtape尾端膠紙shortcircuit短路alignment整齊Taping&insertingPutthetapeonthetwosideofJ/R,TopreventJ/Rbeinghurtintheinsertionprocess.PutapieceoftapebetweencathodetabandJ/R.Becauseanodeelectrodeiswiderthancathodeelectrode.Putthebottomtape.InsertthefinishedJ/Rintothecanmanuallyandthenshortcircuitcheckbymulti-meter.SpotweldingNitabtocap.UltrasonicweldingtheAltabtocapusingultrasonicweld.Wehavethesecondspotweldingtoensurethebestcontactbetweenthetabandcap.Applytopinsulator,topreventNitabcontactingwithcan.FinalJ/Rinsertionbythecentrifuge.Cappositioningbyhand.Thencheckthecapinthesuitableposition,orthedefectsisputintoredbin,Finally,shortcircuitcheckagaintoensurethattherebenointernalshortJ/Rflowingtonextline.檢驗#1CheckingStation#1整形JellyRollForming貼側(cè)面膠紙J/RSideTaping貼上端膠紙J/RTopTaping貼底部膠紙J/RBottomTaping裝殼JellyRollInsertion點焊負極AnodeTabWelding剪正極耳CathodeTabCutting超焊正極耳#2CathodeTabWelding#2二次點焊SpotWelding套隔圈InsulatorInsertion