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时间:2020-04-01
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1、Mixing(配料)Mixsolventandboundseparatelywithpositiveandnegativeactivematerials.Makeintopositiveandnegativepastymaterialsafterstirringathighspeedtilluniformity.Coating(涂布)Now,weareincoatingline.Weusebackreversecoating.Thisistheslurry-mixingtank.Theanode(Cathode)slurryisintroducedtothecoatingheade
2、rbypneumaticityfromthemixingtank.Theslurryiscoateduniformlyonthecopperfoil,thenthesolventisevaporatedinthisoven.(下面的依据情况而定)Therearefourtemperaturezones,theyareindependentlycontrolled.Zoneonesetsat55degreeC,zonetwosetsat65degreeC,zonethreesetsat80degreeC,zonefoursetsat60degreeC.Thespeedofcoatin
3、gis4metersperminute.Youseetheslurryisdried.Theelectrodeiswoundtobeabigrollandputintotheoven.Thetimeismorethan2hoursandtemperatureissetat60degreeC.Throughoutthecoating,weusemicrometertomeasuretheelectrodethicknessperabout15minutes.Wedothisinordertokeepthebestconsistencyoftheelectrode.Vocabulary
4、: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CuttingCutarollofpositiveandnegativesheetintosmallersheetsaccordingtobatteryspecificationandpunchingrequest.PressingPresstheabovep
5、ositiveandnegativesheetstilltheybecomeflat.PunchingPunchingsheetsintoelectrodesaccordingtobatteryspecification,ElectrodeAftercoatingwecompresstheelectrodewiththiscylinderingmachineatabout7metersperminute.Beforecompresswecleantheelectrodewithvacuumandbrushtoeliminateanyparticles.Thenthecompress
6、edelectrodeiswoundtoabigroll.Weusemicrometertomeasurethecompressedelectrodethicknessevery10minutes.Aftercompressingwecutthewebintolargepieces.Wetapethecathodeedgetopreventanypossibleinternalshort.Thelargeelectrodewithedgetapedisslitintosmallerpieces.Thisisultrasonicprocessthataluminumtabsarewe
7、ldedontocathodesusingultrasonicweldmachine.Wetapetheweldsectiontopreventanypossibleinternalshort.Andfinally,wecleanthefinishedelectrodeswithvacuumandbrush.Vocabulary:cylindering柱形辊压vacuum真空particle颗粒wound旋紧卷绕micrometer千分尺internalshort内部
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