锂电池英文生产过程

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1、Mixing(配料)Mixsolventandboundseparatelywithpositiveandnegativeactivematerials.Makeintopositiveandnegativepastymaterialsafterstirringathighspeedtilluniformity.Coating（涂布）Now,weareincoatingline.Weusebackreversecoating.Thisistheslurry-mixingtank.Theanode（Cathode）slurryisintroducedt

2、othecoatingheaderbypneumaticityfromthemixingtank.Theslurryiscoateduniformlyonthecopperfoil,thenthesolventisevaporatedinthisoven.Therearefourtemperaturezones,theyareindependentlycontrolled.Zoneonesetsat55degreeC,zonetwosetsat65degreeC,zonethreesetsat80degreeC,zonefoursetsat60deg

3、reeC.Thespeedofcoatingis4metersperminute.Youseetheslurryisdried.Theelectrodeiswoundtobeabigrollandputintotheoven.Thetimeismorethan2hoursandtemperatureissetat60degreeC.Throughoutthecoating,weusemicrometertomeasuretheelectrodethicknessperabout15minutes.Wedothisinordertokeepthebes

4、tconsistencyoftheelectrode.Vocabulary:coatingline涂布车间backreversecoating辊涂coatingheader涂布机头Al/copperfoil铝/铜箔degreeC摄氏度temperaturezones温区windtobea（big）roll收卷evenly/uniformly均匀oven烘箱evaporate蒸发electrode极片CuttingCutarollofpositiveandnegativesheetintosmallersheetsaccordingtobatterys

5、pecificationandpunchingrequest.PressingPresstheabovepositiveandnegativesheetstilltheybecomeflat.PunchingPunchingsheetsintoelectrodesaccordingtobatteryspecification,ElectrodeAftercoatingwecompresstheelectrodewiththiscylinderingmachineatabout7metersperminute.Beforecompressweclean

6、theelectrodewithvacuumandbrushtoeliminateanyparticles.Thenthecompressedelectrodeiswoundtoabigroll.Weusemicrometertomeasurethecompressedelectrodethicknessevery10minutes.Aftercompressingwecutthewebintolargepieces.Wetapethecathodeedgetopreventanypossibleinternalshort.Thelargeelect

7、rodewithedgetapedisslitintosmallerpieces.Thisisultrasonicprocessthataluminumtabsareweldedontocathodesusingultrasonicweldmachine.Wetapetheweldsectiontopreventanypossibleinternalshort.Andfinally,wecleanthefinishedelectrodeswithvacuumandbrush.Vocabulary:cylindering柱形辊压vacuum真空part

8、icle颗粒wound旋紧卷绕micrometer千分尺internalshort内部短路slit分切ult