锂电池英文生产流程.docx

锂电池英文生产流程.docx

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锂电池英文生产流程

锂电池英文生产流程

Mixing（配料）

Mixsolventandboundseparatelywithpositiveandnegativeactivematerials.Makeintopositiveandnegativepastymaterialsafterstirringathighspeedtilluniformity.

Coating（涂布）

Now,weareincoatingline.Weusebackreversecoating.Thisistheslurry-mixingtank.Theanode（Cathode）slurryisintroducedtothecoatingheaderbypneumaticityfromthemixingtank.Theslurryiscoateduniformlyonthecopperfoil,thenthesolventisevaporatedinthisoven.（下面的依据情况而定）Therearefourtemperaturezones,theyareindependentlycontrolled.Zoneonesetsat55degreeC,zonetwosetsat65degreeC,zonethreesetsat80degreeC,zonefoursetsat60degreeC.Thespeedofcoatingis4metersperminute.

Youseetheslurryisdried.Theelectrodeiswoundtobeabigrollandputintotheoven.

cylindering柱形辊压vacuum真空particle颗粒

wound旋紧卷绕micrometer千分尺internalshort内部短路

slit分切ultrasonic超声波weld焊接

Anodemaking

Inanodemakingprocess,wecutthematerialintocertainlengthstrips.Atthemeantime,weputasmallpieceofinsulationtapetothetabinordertopreventanypossibleinternalshort.Thenthepreparednickeltabisrivetedonanodeandpatplain.Wealsotapetherivetsectiontopreventanypossibleinternalshort.Andfinally,wecleanthefinishedelectrodeswithvacuumandbrush.

Jellyroll

ThisisJellyroll,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卷绕Manual手工的Separator隔膜纸

centralpin卷针footswitch脚踏开关anode负极片

cathode正极片terminationtape尾端胶纸shortcircuit短路

alignment整齐

Taping&inserting

PutthetapeonthetwosideofJ/R,TopreventJ/Rbeinghurtintheinsertionprocess.

PutapieceoftapebetweencathodetabandJ/R.Becauseanodeelectrodeiswiderthancathodeelectrode.

Putthebottomtape.

InsertthefinishedJ/Rintothecanmanuallyandthenshortcircuitcheckbymulti-meter.

SpotweldingNitabtocap.

UltrasonicweldingtheAltabtocapusingultrasonicweld.

Wehavethesecondspotweldingtoensurethebestcontactbetweenthetabandcap.

Applytopinsulator,topreventNitabcontactingwithcan.

FinalJ/Rinsertionbythecentrifuge.

Cappositioningbyhand.Thencheckthecapinthesuitableposition,orthedefectsisputintoredbin,Finally,shortcircuitcheckagaintoensurethattherebenointernalshortJ/Rflowingtonextline.

Vocabulary:

J/R极芯tape胶纸electrode极片multi-meter万用表Spotwelding点焊

Nitab极耳Ultrasonicweld超焊Insulator隔圈centrifugemachine甩壳机

defect次品redbin红盒

Laserwelding

ThisistheLaserweldingroom!

Thefirstprocessisweldingforthealuminumcap,speciallyconnecttherivetwiththeweldplatetopreventthecellimpedanceexcursion.

ThesecondprocessistheLaserseamwelding.Intheprocess,itmustensuretheintensityandairproofcharactersoftheweld.

Afterthecelliswelded,wewouldperformtheleakchecking,theshortcircuitcheckingandtheweighingchecking.

Vocabulary:

Laserweldingroom激光焊接车间Cap盖板Rivet铆钉Plate镍片

impedanceexcursion内阻漂移intensity强度leakchecking检漏

shortcircuitchecking测短路weighingchecking称重

Ovendryingelectrolytefillingandstoring

Thisistheprocessofcellsovendryingat80℃formorethan12hoursundervacuum.Afterovendrying,thecellsaretransferredtotheprocessofelectrolytefillingthroughthischannel.Theelectrolytefillingperformsindryroom.Theelectrolyteisinjectedintwotimessothatitcanbefilledeasilyandsufficiently.Whenfilling,vacuumfirst,theninjectelectrolyte.Afterthat,werepeatvacuumandventtoroompressureseveraltimes.Finallythecellisputoffatroompressure,thenweighthecellinordertochecktheamountofelectrolyte.Afterweighing,wesealwithtapeontothefillingporttopreventthecellsabsorbingwaterduringstoring.

Westorethefilledcellsfor24hoursatroomtemperaturesothattheelectrolytecanbesaturatedsufficientlybytheanodesandcathodes.

Vocabulary:

ovendrying烘烤vacuum真空electrolytefilling注液electrolyte电解液

roompressure大气压fillingport注液孔storing陈化saturated浸润

anode正极cathode负极

Pre-chargeandballseal

Atfirst,weplaceapieceofabsorbcottonabovethefillingporttoabsorbtheexcesselectrolyte.Thisisthefirstprocess.

Thesecondprocessisperformingapre-chargeat0.1Cratefor390minutes.

Afterthepre-charge,wetakeavoltagecheckingtothecellatonce.Ifthevoltageislowerthanthestandard,itneedstobere-charged.

Thefourthprocessistheballseal.wemustcompletethisprocessin15minutes.

First,putthesteelballintherightplace.Then,givepressuretoitsothatthesteelballcanfillthefillingport.

Inthewholeprocess,wemustmakesurethatthetemperatureandhumidityareintheregularrange.

Finally,theprocessiscleaningtoeliminatetheelectrolyteonthecellsurfacewithacetonesolvent.

Vocabulary:

fillingport注液孔electrolyte电解液pre-charge预先充电ballseal封口voltagechecking量电压regularrange合格范围eliminate消除

acetonesolvent丙酮溶剂

AgingandFormation

Thisistheagingroom.Weagecellsat35~40DegreeCfor7days.Thetemperatureiscontrolledbytwoheatinginstrumentswhicharesetat38DegreeC.Thenwetransfercellstothetestingworkshop.First,wecheckthevoltageofcellswithmulti-meters.Accordingtovoltage,wedividethecellsintoacceptablesanddefects.Formationisdoneat1.0Capacityratefor140minutesto4.2Voltage.Afterthat,checkthicknessandimpedance.Atlast,wetransfertheacceptablestothestorehouse.

Vocabulary:

agingroom老化房heatinginstrument加热器testingworkshop检测车间

acceptables良品defects次品formation化成thickness尺寸，厚度

impedance内阻storehouse仓库

标识牌内容（中文）英文

1正极球磨CathodeBallMillMixing2负极球磨AnodeBallMillMixing

3正极混浆CathodeSlurryMixing4负极混浆AnodeSlurryMixing

5正极涂布CathodeCoating6负极涂布AnodeCoating

7极片烘烤ElectrodeDrying8正极压片CathodeCompress

9负极压片AnodeCompress10正极分大片CathodeCutting

11正极分小片CathodeSlitting12负极分大片AnodeCutting

13负极分小片AnodeSlitting14切镍带AnodeTabCutting

15极耳铆接AnodeRiveting16极耳贴胶纸AnodeTabTaping

17大片贴胶纸CathodeEdgeTaping18刷片ElectrodeBrushing

19极耳超焊#1CathodeTabWelding#1

装配车间英语

极片烘烤ElectrodeDryingArea裁隔膜纸SeparatorCutting

壳体贴膜Out-filmApply超焊铝镍带CathodeTabWelding

贴内壁胶纸InnerInsulationTaping卷绕JellyRollWinding

检验#1CheckingStation#1整形JellyRollForming

贴侧面胶纸J/RSideTaping贴上端胶纸J/RTopTaping

贴底部胶纸J/RBottomTaping装壳JellyRollInsertion

点焊负极AnodeTabWelding剪正极耳CathodeTabCutting

超焊正极耳#2CathodeTabWelding#2二次点焊SpotWelding

套隔圈InsulatorInsertion甩壳FinalJ/RInsertion

卡盖板CapInstallation检验#2CheckingStation#2

点焊盖板CapPre—Welding激光焊接LaserSeamwelding

整形Forming检验漏气LeakChecking

短路测试Hi—pot称重分档WeighingSorting