《储能电池制备双语课程》课件-涂布后干燥工艺

涂布后干燥工艺DryingProcessAfterCoating主讲老师：Lecturer:《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》（一）干燥工艺原理DryingProcessPrinciples涂布后干燥工艺DryingProcessAfterCoating基于蒸发原理，通过加热使NMP等溶剂从浆料中挥发。Basedontheprincipleofevaporation,solventssuchasNMParevolatilizedfromtheslurrythroughheating.干燥工艺原理DryingProcessPrinciples（一）干燥工艺原理DryingProcessPrinciples涂布后干燥工艺DryingProcessAfterCoating温度升高加快溶剂分子热运动，低压降低溶剂沸点，促进蒸发，真空干燥利于保护敏感电池材料。Temperatureriseacceleratesthethermalmotionofsolventmolecules,whilelowpressurereducestheboilingpointofthesolvent,promotingevaporation.Phoxinusphoxinussubsp.phoxinus

UtheteisaKongdryingfacilitatestheprotectionofsensitivebatterymaterials.干燥环境影响Dryenvironmentimpact（二）干燥的传质传热过程Dryingheatandmasstransferprocess涂布后干燥工艺DryingProcessAfterCoating热量从外部热源传递到湿物料，为水分蒸发提供能量；同时，物料中的水分以气态或液态形式从内部迁移到表面，再扩散到周围干燥介质中。Heatistransferredfromanexternalheatsourcetothewetmaterial,providingenergyformoistureevaporation;simultaneously,themoisturewithinthematerialmigratesfromtheinteriortothesurfaceingaseousorliquidform,thendiffusesintothesurroundingdryingmedium.（三）干燥工艺过程Dryingprocess涂布后干燥工艺DryingProcessAfterCoating预热阶段Preheatingstage渐升温度防热应力，控速1-3℃/min。Graduallyincreasingtemperaturetopreventthermalstress,withacontrolledrateof1-3℃/min.恒速干燥阶段Constant-ratedryingstage降速干燥阶段Fallingratedryingperiod（四）锂离子电池连续设备Lithium-ionbatterycontinuousproduction.equipment涂布后干燥工艺DryingProcessAfterCoatingContinuousdryingequipmentcomposition连续干燥设备组成Dryingchamberdesign。干燥箱体设计（五）极片干燥流程Electrodesheetidryingprocess涂布后干燥工艺DryingProcessAfterCoating干燥温度控制干燥时间优化气流速度调节湿度管理Dryingtemperaturec