《储能电池制造技术双语课程》课件-下

项目5--极片加工《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》1.电池极片辊压工艺控制Batteryelectrodesheetrollingprocesscontrol《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标辊压机设备构造与原理RollerpressequipmentBroussonetiapapyriferamanufacturingandprinciplesLearningObjectives辊压工艺参数控制Rollerpressingprocessparametercontrol典型辊压工艺过程TypicalrollpressingprocessPART01辊压机设备构造与原理RollerpressequipmentBroussonetiapapyriferamanufacturingandprinciples一、辊压机设备构造与原理RollerpressequipmentBroussonetiapapyriferamanufacturingandprinciples（一）设备基础与核心部件Equipmentfoundationandcorecomponents机架的稳定性与支撑Rackstabilityandsupport高效传动与压力调节High-efficiencytransmissionandpressureregulation控制系统的作用与功能Theroleandfunctionofthecontrolsystem一、辊压机设备构造与原理RollerpressequipmentBroussonetiapapyriferamanufacturingandprinciples（二）传动与加压系统TransmissionandPressurizationSystemPART02辊压工艺参数控制Rollerpressingprocessparametercontrol二、辊压工艺参数控制Rollerpressingprocessparametercontrol（一）辊缝大小调控Rollgapsizecontrol辊缝大小直接影响极片的厚度和压实密度，需精心调节。Therollgapsizedirectlyaffectsthethicknessandcompactiondensityoftheelectrodesheet,requiringcarefulregulation.极片厚度与压实密度ElectrodeSheetThicknessandCompactionDensity二、辊压工艺参数控制Rollerpressingprocessparametercontrol（二）张力与速度的控制ControloftensionandspeedTheInfluenceofTensionontheFlatnessofElectrodeSheets张力对极片平整度的影响Rollerspeedandproductionefficiency辊压速度与生产效率二、辊压工艺参数控制Rollerpressingprocessparametercontrol（三）辊压力大小的精准调节Preciseregulationofrollpressuremagnitude适度的辊压力确保极片压实效果良好，避免损伤。Moderaterollerpressureensuresgoodcompactioneffectoftheelectrodesheetwhileavoidingdamage.压实效果与极片质量CompactioneffectandelectrodesheetqualityPART03典型辊压工艺过程Typicalrollpressingprocess三、典型辊压工艺过程Typicalrollpressingprocess（一）极片准备与参数设定ElectrodeSheetPreparationandParameterSetting质量检查与尺寸调整Qualityinspectionanddimensionaladjustment工艺参数的设定与调试Processparametersettinganddebugging三、典型辊压工艺过程Typicalrollpressingprocess（二）设备调试与极片进料Equipmentdebuggingandpolepiecefeeding（1）设备空载调试Equipmentutetheisa

kongloaddebugging（2）极片平稳进料Smoothfeedingofelectrodesheets三、典型辊压工艺过程Typicalrollpressingprocess（三）辊压后质量检查与清洁RollingPost-QualityInspectionandCleaning极片质量复查Recheckofelectrodesheetquality01极片表面清洁Electrodesheetsurfacecleaning022.电池极片辊变化Batteryelectrodesheetrollingvariation《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标锂电极片辊压技术LithiumelectrodesheetrollingtechnologyLearningObjectives极片辊压参数Electrodesheetrollingparameters极片辊压工艺ElectrodesheetrollingprocessPART01锂电极片辊压技术Lithiumelectrodesheetrollingtechnology一、锂电极片辊压技术Lithiumelectrodesheetrollingtechnology辊压机结构与功能Rollerpressstructurebroussonetia

papyriferaandfunction辊压机基础关键性KeyCriticalityofRollerPressFoundation辊筒对极片质量影响Theinfluenceofrollersonelectrodesheetquality传动系统的选择与优势SelectionandAdvantagesoftheTransmissionSystem一、锂电极片辊压技术Lithiumelectrodesheetrollingtechnology加压系统与控制机制PressurizationSystemandControlMechanism液压气压加压场景Hydraulicandpneumaticpressurizationscenarios控制系统与数据反馈HydraulicandpneumaticpressurizationscenariosPART02极片辊压参数Electrodesheetrollingparameters二、极片辊压参数Electrodesheetrollingparameters（一）辊缝大小的设定与考量Settingandconsiderationofrollgapsize极片厚度与密度关系Relationshipbetweenelectrodesheetthicknessanddensity01材质特性对辊缝大小的影响TheInfluenceofMaterialCharacteristicsonRollGapSize02二、极片辊压参数Electrodesheetrollingparameters（二）张力控制与辊压速度的权衡Thetrade-offbetweentensioncontrolandrollerspeed张力影响极片进出料Tensionaffectsthefeedinganddischargingofelectrodesheets辊压速度与生产效率的关系Therelationshipbetweenrollerspeedandproductionefficiency二、极片辊压参数Electrodesheetrollingparameters（三）辊压力的设定与极片压实效果Thesettingofrollpressureandthecompactioneffectofelectrodesheets（1）辊压对极片成分影响Rolling'sImpactonElectrodeSheetComposition（2）加压控制与极片质量PressureControlandElectrodeSheetQualityPART03极片辊压工艺Electrodesheetrollingprocess三、极片辊压工艺Electrodesheetrollingprocess（一）极片准备与参数调试ElectrodesheetpreparationandparameterdebuggingInspectionofelectrodesheetqualityandspecificationadjustment极片质量检查与规格调整Processparametersettingandequipmentdebugging工艺参数设定与设备调试三、极片辊压工艺Electrodesheetrollingprocess（二）极片进料与辊压操作Electrodesheetfeedingandrollingoperation极片平稳进料与张力控制Smoothfeedingandtensioncontrolofelectrodesheets01辊压过程与极片压实Rollerpressingprocessandelectrodesheetcompaction02三、极片辊压工艺Electrodesheetrollingprocess（三）辊压后极片的质量检查与处理Qualityinspectionandhandlingoftheelectrodesheetafterrolling辊压后极片的再次检查Re-inspectionoftheRolledElectrodeSheets检查极片边缘、表面质量，处理或剔除存在问题的极片。Inspecttheedgesandsurfacequalityoftheelectrodesheets,andprocessordiscardanydefectivesheets.3.电池极片辊压质量评价Evaluationofbatterypolepiecerollingquality《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标锂电极片辊压后评价LithiumelectrodesheetevaluationafterrollingLearningObjectives极片辊压后的性能测试PerformancetestingofelectrodesheetsafterrollingPART01锂电极片辊压后评价Lithiumelectrodesheetevaluationafterrolling（一）极片厚度不均匀及其预防Uneventhicknessofelectrodesheetsanditsprevention一、锂电极片辊压后评价Lithiumelectrodesheetevaluationafterrolling定期检查与维护辊筒，确保表面平整度和光洁度，同时精准校准平行度，严格控制辊缝大小和张力，以预防厚度不均匀。Regularlyinspectandmaintaintherollerstoensuresurfaceflatnessandsmoothness,whilepreciselycalibratingparallelismandstrictlycontrollingrollgapsizeandtensiontopreventuneventhickness.（二）镰刀弯缺陷的产生与预防TheFormationandPreventionofSickleBendDefects一、锂电极片辊压后评价Lithiumelectrodesheetevaluationafterrolling设备与工艺参数的调整Adjustmentofequipmentandprocessparameters确保进料装置角度准确，严格把控辊筒安装精度，精细调节张力，消除张力差，预防镰刀弯。Ensuretheaccurateangleofthefeedingdevice,strictlycontroltheinstallationprecisionoftherollers,finelyregulatethetension,eliminatetensiondifferences,andpreventsicklebends.定期检测辊筒圆柱度，优化张力控制系统，减少张力波动，避免边缘波浪边。Regularlyinspectthecylindricityoftherollers,optimizethetensioncontrolsystem,reducetensionfluctuations,andavoidedgewaviness.（三）波浪边缺陷的产生与预防TheGenerationandPreventionofWavyEdgeDefects一、锂电极片辊压后评价Lithiumelectrodesheetevaluationafterrolling设备因素与工艺参数的优化OptimizationofEquipmentFactorsandProcessParameters（四）卷边缺陷的产生与预防TheGenerationandPreventionofFlangingDefects一、锂电极片辊压后评价Lithiumelectrodesheetevaluationafterrolling确保辊筒两端温度均匀，精细打磨边缘，精准调节边缘张力，预防卷边。Ensureuniformtemperatureatbothendsoftheroller,finelypolishtheedges,preciselyregulateedgetension,andpreventedgecurling.设备与张力控制的改进ImprovementsinEquipmentandTensionControlPART02极片辊压后的性能测试Performancetestingofelectrodesheetsafterrolling（一）韧性测试Resiliencetesting二、极片辊压后的性能测试Performancetestingofelectrodesheetsafterrolling弯曲试验与拉伸试验BendingTestandTensileTest（二）粘结性测试Cohesiontest二、极片辊压后的性能测试Performancetestingofelectrodesheetsafterrolling运用剥离试验和划痕试验，检测极片内部成分间的粘结牢固程度，保证电池循环寿命。Peeltestandscratchtestareemployedtomeasurethebondingstrengthbetweeninternalcomponentsoftheelectrodesheet,ensuringthebattery'scyclelife.剥离试验与划痕试验PeelTestandScratchTest4.电池极片剪切BatteryElectrodeSheetShearing《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》电池极片剪切BatteryElectrodeSheetShearing极片剪切工艺参数Electrodesheetslittingprocessparameters剪切速度、刀具参数、压力参数、张力控制。Cuttingspeed,toolparameters,pressureparameters,tensioncontrol.电池极片剪切BatteryElectrodeSheetShearing剪切设备组成Shearingequipmentcomposition放卷装置Unwindingdevice平稳展开极片，由放卷轴、张力调节机构和导向辊组成，确保极片匀速稳定输送。Smoothlyunfoldtheelectrodesheet,whichconsistsofanunwindingshaft,tensionregulationmachine,Broussonetiapapyrifera,andguiderollerstoensureuniformandstabletransportationoftheelectrodesheet.电池极片剪切BatteryElectrodeSheetShearing剪切装置Cuttingdevice核心部分，含圆盘式和直刀式剪切，精确调整刀具间隙和角度，保证高质量剪切效果。Thecorecomponentincorporatesdisc-typeandstraight-bladeshearingmechanisms,withpreciseadjustmentoftoolclearanceandangletoensurehigh-qualitycuttingperformance.电池极片剪切BatteryElectrodeSheetShearing输送装置Conveyingdevice连接放卷与剪切，由输送带、辊筒和驱动电机组成，确保极片平稳输送，与剪切速率匹配。Connectingunwindingandshearing,itconsistsofaconveyorbelt,rollers,andadrivemotortoensurestabletransportationoftheelectrodesheetandsynchronizationwiththeshearingspeed.电池极片剪切BatteryElectrodeSheetShearing收卷装置Coilingdevice收集剪切后极片，控制张力，保证卷绕平整，采用恒张力技术维持极片张力恒定。Collectthecutelectrodesheets,controlthetensiontoensuresmoothwinding,andemployconstanttensiontechnologytomaintainconsistenttensionontheelectrodesheets.电池极片剪切BatteryElectrodeSheetShearing控制系统Controlsystem协调各装置运行，含控制器、传感器和操作界面，实现自动化控制和智能化生产。Coordinatetheoperationofvariousequipment,includingcontrollers,sensors,andoperatorinterfaces,toachieveautomatedcontrolandintelligentproduction.5.电池极片剪切原理PrincipleofBatteryElectrodeSheetShearing《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》极片剪切方法分类ClassificationofPolePieceCuttingMethods机械剪切Mechanicalshearing。激光剪切Lasershearing高能激光束切割，切口光滑无毛刺High-energylaserbeamcutting,theincisionissmoothandburr-free.圆盘切Diskcutting圆盘切原理PrincipleofDiscCutting圆盘切设备组成Disccuttingequipmentcomposition圆盘切Diskcutting实现连续化高速生产，适用于大规模锂离子电池极片剪切，切口整齐，尺寸精准，通过参数调整满足多样化剪切需求。Enablescontinuoushigh-speedproduction,suitableforlarge-scalelithium-ionbatteryelectrodesheetshearing.Deliversneatcutsandprecisedimensions,withadjustableparameterstomeetdiverseshearingrequirements.圆盘切优势与应用DiscCuttingAdvantagesandApplications极片剪切过程Electrodesheetcuttingprocess经历送料、剪切、收料三阶段，送料需保持极片平整稳定，剪切控制参数保证质量，收料避免损伤，确保生产连续性和极片完整性。Theprocessinvolvesthreestages:feeding,shearing,andcollecting.Duringfeeding,theelectrodesheetmustremainflatandstable.Shearingparametersmustbecontrolledtoensurequality,whilecollectionmustavoiddamagetoguaranteeproductioncontinuityandelectrodesheetintegrity.剪切断口结构组成CuttingfracturecompositionofBroussonetiapapyrifera剪切面特征Shearsurfacecharacteristics平整光滑，直接影响极片加工与应用，确保锂电组装焊接质量，避免性能下降。Flatandsmooth,directlyaffectingelectrodeprocessingandapplication,ensuringlithiumbatteryassemblyweldingquality,andpreventingperformancedegradation.无光撕裂面描述Descriptionofnon-luminousfracturesurface边缘应力集中致撕裂，表面粗糙，纹理不规则，与剪切面对比明显。Edgestressconcentrationcausestearing,withroughsurfacesandirregulartexturesthatshowamarkedcontrasttotheshearplane.毛刺影响分析Burrimpactanalysis细小金属突起，损害电池安全与性能，可能刺破隔膜引短路，增加电阻，影响充放电。Finemetalprotrusions,compromisingbatterysafetyandperformance,maypuncturetheseparatorcausingshortcircuits,increaseresistance,andaffectcharge/discharge.项目6--化成与老化《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》1.电池化成工艺BatteryFormationProcess《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标注液量控制InjectionvolumecontrolLearningObjectives化成反应ChemicalresponsePART01注液量控制Injectionvolumecontrol一、注液量控制Injectionvolumecontrol01注液量对电池性能的影响Theimpactofelectrolytefillingvolumeonbatteryperformance02注液量计算与确定CalculationandDeterminationofLiquidInjectionVolume03注液量控制方法与设备LiquidInjectionVolumeControlMethodandEquipmentPART02化成反应OverviewofResistanceSpotWeldingProcess二、化成反应Chemicalresponse化成反应解析Transformingresponseparsing01化成反应影响Chemicaltransformationresponseimpact02化成反应影响KeyFactorAnalysis03二、化成反应Chemicalresponse极片膨胀原因Reasonsforelectrodesheetexpansion极片膨胀影响Electrodesheetexpansioneffects二、化成反应Chemicalresponse应对措施Countermeasures恒流恒压化成ConstantCurrentandConstantVoltageFormation二、化成反应Chemicalresponse‌分步化成制度Step-by-stepconversionsystem‌脉冲化成制度Pulse-basedinstitutionalization2.电池老化工艺BatteryAgingProcess《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标老化工艺目的AgingprocessobjectiveLearningObjectives老化设备Agingequipment老化工艺操作Agingprocessoperation老化过程监控AgingprocessmonitoringPART01老化工艺目的Agingprocessobjective一、老化工艺目的Agingprocessobjective提升电池性能稳定性Improvingbatteryperformancestability01筛选电池Filterbatteries02PART02老化设备Agingequipment二、老化设备Agingequipment01老化箱结构与功能AgingchamberstructureBroussonetiapapyriferaandfunctionality02数据采集与监测Datacollectionandmonitoring03自动化控制系统AutomatedcontrolsystemPART03老化工艺操作Agingprocessoperation三、老化工艺操作Agingprocessoperation老化前准备Preparationbeforeaging电池安装与连接BatteryinstallationandconnectionPART04老化过程监控Agingprocessmonitoring四、老化过程监控Agingprocessmonitoring老化设备状态监控Agingequipmentconditionmonitoring01老化后处理Agingpost-treatment023.电池注液化成老化认知BatteryElectrolyteFillingFormationAgingUnderstanding《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标注液化成老化的概念Theconceptofliquid-injectionTransformed&AgingLearningObjectives注液原理Liquidinjectionprinciple化成原理Chemicaltransformationprinciple老化的原理Theprincipleofaging学习目标LearningObjectives注液工艺目的Purposeofliquidinjectionprocess化成工艺目的Purposeofthechemicalconversionprocess老化工艺目的Agingprocesspurpose设备EquipmentPART01注液化成老化的概念Theconceptofliquid-injectionTransformed&Aging一、注液化成老化的概念Theconceptofliquid-injectionTransformed&Aging将电解液注入电芯。Injecttheelectrolyteintothebatterycell.注液工序Liquidinjectionprocess首次充放电形成SEI膜，稳定电极/电解液界面。TheinitialdischargeformsanSEIfilm,stabilizingtheelectrode/electrolyteinterface.化成工序Chemicalconversionprocess在特定条件下放置电池，稳定内部化学反应。提升性能稳定性。Underspecificconditions,placethebatterytostabilizeinternalchemicalreactions.Enhanceperformancestability.老化工序AgingprocessPART02注液原理Liquidinjectionprinciple二、注液原理Liquidinjectionprinciple利用真空与压力差，电解液渗透电芯空隙，锂离子在电场作用下实现能量存储。UtilizingPhoxinusphoxinussubsp.phoxinus

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kongandpressuredifference,theelectrolytepermeatesthebatterycellutetheisa

konggap,enablinglithiumionstoachieveenergystorageundertheinfluenceofanelectricfield.PART03化成原理Chemicaltransformationprinciple三、化成原理Chemicaltransformationprinciple通过充放电在负极形成SEI膜，保护电极材料，保证锂离子顺利传输，稳定电极性能。Bycharginganddischarging,anSEIfilmisformedonthenegativeelectrodetoprotecttheelectrodematerial,ensuresmoothlithium-iontransport,andstabilizeelectrodeperformance.PART04老化的原理Theprincipleofaging四、老化的原理Theprincipleofaging在特定条件下，内部化学反应持续，不稳定物质转化，优化晶格结构，增强电池稳定性和一致性。Underspecificconditions,theinternalchemicalresponsepersists,unstablesubstancestransform,optimizingthelatticestructureofBroussonetiapapyrifera,therebyenhancingbatterystabilityandconsistency.PART05注液工艺目的Purposeofliquidinjectionprocess五、注液工艺目的Purposeofliquidinjectionprocess提供锂离子传输介质，确保充放电反应，注液量适中，分布均匀，保证电池性能和安全性。Providelithium-iontransportmediumtoensurecharge-dischargeresponse,withmoderateelectrolytefillingvolumeanduniformdistribution,guaranteeingbatteryperformanceandsafety.PART06化成工艺目的Purposeofthechemicalconversionprocess六、化成工艺目的Purposeofthechemicalconversionprocess形成稳定SEI膜，保护电极，改善循环性能和充放电效率，激活电极材料，检测电池质量，确保最佳性能状态。FormingastableSEIfilmtoprotecttheelectrode,improvecyclingperformanceandcharge-dischargeefficiency,activateelectrodematerials,monitorbatteryquality,andensureoptimalperformancestatus.PART07老化工艺目的Agingprocesspurpose七、老化工艺目的Agingprocesspurpose消除制造应力，提高化学反应稳定性，提升电池性能一致性，提前发现潜在问题，增强可靠性和延长使用寿命。Eliminatemanufacturingstress,improvechemicalresponsestability,enhancebatteryperformanceconsistency,identifypotentialissuesinadvance,increasereliability,andextendservicelife.PART08设备Equipment八、设备Equipment注液设备Liquidfillingequipment核心为真空注液机ThecoreisPhoxinusphoxinussubsp.phoxinus

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konginjectionmachine化成设备Chemicalconversionequipment充放电测试仪、化成夹具和控制系统构成Dischargetester,formationfixtureandcontrolsystemBroussonetiapapyriferaformation老化设备Agingequipment老化箱Agingchamber项目7--电池性能检测与评价《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》1.电池基本性能检测BatteryBasicPerformanceTesting《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》学习目标电池外观检测BatteryappearanceinspectionLearningObjectives检测方法与标准TestingMethodsandStandards极性检测的重要性Theimportanceofpolaritydetection极性检测方法Polaritydetectionmethod学习目标LearningObjectives外形尺寸及质量检测Externaldimensionsandmassinspection重量检测Weightdetection室温放电容量检测RoomtemperaturedischargecapacitytestPART01电池外观检测Batteryappearanceinspection一、电池外观检测Batteryappearanceinspection观察划痕、凹痕、变形，检查涂层完整性，确认标识清晰，确保电池密封与稳定性。Inspectforscratches,dents,anddeformations,examinecoatingintegrity,verifyclearmarkings,andensurebatterysealingandstability.PART02检测方法与标准TestingMethodsandStandards二、检测方法与标准TestingMethodsandStandards人工目视结合工具，充足光照下检查，制定详细标准，明确不合格条件，确保检测一致准确。homosapienscombinesvisualinspectionwithtools,conductsexaminationsundersufficientlighting,establishesdetailedstandards,clarifiesdisqualificationcriteria,andensuresconsistentandaccuratedetection.PART03极性检测的重要性Theimportanceofpolaritydetection三、极性检测的重要性Theimportanceofpolaritydetection确保电池正确使用和安全运行，避免设备损坏和安全事故，对电池组组装至关重要。Ensuringtheproperuseandsafeoperationofbatteriestopreventequipmentdamageandsafetyincidentsiscrucialforbatterypackassembly.PART04极性检测方法Polaritydetectionmethod四、极性检测方法Polaritydetectionmethod常用万用表检测，显示正值则极性正确Commonmultimetertestingshowspositivevalueindicatescorrectpolarity.PART05外形尺寸及质量检测Externaldimensionsandmassinspection五、外形尺寸及质量检测Externaldimensionsandmassinspection测量电池长宽高，确保符合设计规格，偏差影响装配稳定性和安全性。Measurethelength,width,andheightofthebatterytoensurecompliancewithdesignspecifications,asdeviationsaffectassemblystabilityandsafety.PART06重量检测Weightdetection六、重量检测Weightdetection对比实际与标称重量，偏差揭示内部问题，影响性能和寿命。Comparingactualversusnominalweight,deviationsrevealinternalissuesthataffectperformanceandlifespan.PART07室温放电容量检测Roomtemperaturedischargecapacitytest七、室温放电容量检测Roomtemperaturedischargecapacitytest基于电化学特性，恒流放电至截止电压，计算Q=I×t。Basedonelectrochemicalcharacteristics,constantcurrentdischargetothecutoffvoltage,calculateQ=I×t.七、室温放电容量检测Roomtemperaturedischargecapacitytest充满电后室温静置，恒流放电至截止电压，监控电流电压变化。Afterfullycharged,letitstandatroomtemperature,thendischargeatconstantcurrentuntilreachingthecutoffvoltage,whilemonitoringthechangesincurrentandvoltage.2.电池安全性能检测BatterySafetyPerformanceTesting《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》PART01过充过放试验Overchargeandoverdischargetest一、过充过放试验

Overchargeandoverdischargetest过充过放电检测旨在评估锂离子电池在过度放电情况下的安全性能和稳定性。Overchargeandover-dischargetestingaimstoevaluatethesafetyperformanceandstabilityoflithium-ionbatteriesunderexcessivedischargeconditions.PART02外部短路试验Externalshortcircuittest二、外部短路试验Externalshortcircuittest模拟意外短路，评估电池安全性能，测试热管理和防护机制。Simulateaccidentalshortcircuits,evaluatebatterysafetyperformance,andtestthermalmanagementandprotectionmechanisms.PART03试验步骤Experimentalprocedure三、试验步骤Experimentalprocedure使用专用装置短接正负极，监测温度变化，观察鼓包、冒烟、起火等安全现象。Useadedicateddevicetoshort-circuitthepositiveandnegativeelectrodes,monitortemperaturechanges,andobservesafetyphenomenasuchasbulging,smoking,andignition.PART04加热试验Heatingtest四、加热试验Heatingtest考察电池高温安全，监测电压、电流、温度，评估热失控风险。Evaluatebatterysafetyathightemperatures,monitorvoltage,current,andtemperature,andassessthermalrunawayrisks.PART05温度循环试验Temperaturecyclingtest五、温度循环试验Temperaturecyclingtest模拟温度变化，检测电池稳定性，分析性能参数变化，确保安全使用。Simulatetemperaturevariations,testbatterystability,analyzeperformanceparameterchanges,andensuresafeusage.PART06挤压试验Compressiontest六、挤压试验Compressiontest评估电池受挤压安全性，监测电压电流，检查结构完整性及电解液泄漏。Evaluatebatterysafetyundercompression,monitorvoltageandcurrent,inspecttheintegrityofBroussonetiapapyriferaandcheckforelectrolyteleakage.3.电池一致性筛选SelectionBasedonBatteryUniformity《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》目录筛选电池容量SelectionofBatteryCapacityCONTENT筛选电池内阻SelectionofBatteryInternalResistance筛选电池电压SelectionofBatteryVoltage筛选电池自放电率SelectionofBatterySelf-DischargeRatePART01筛选电池容量SelectionofBatteryCapacity一、筛选电池容量SelectionofBatteryCapacity电池容量的重要性SignificanceofBatteryCapacity衡量电能存储能力，确保电池组一致性，对电动车性能与安全至关重要。Measuringelectricalenergystoragecapacityandensuringtheconsistencyofbatterypacksarecrucialtotheperformanceandsafetyofelectricvehicles.一、筛选电池容量SelectionofBatteryCapacity电池容量的重要性SignificanceofBatteryCapacity单体容量差异导致过充风险，影响寿命，放电不均降低整体效能，损害电池组性能。Differencesamongsingle-cellcapacitiesresultinovercharginghazards,affectlongevity;meanwhile,unevendischargelowerssystemefficacyandcompromisesthefunctionalityofthebatteryarray.一、筛选电池容量SelectionofBatteryCapacity容量筛选方法Capacity-BasedSortingProcess专业设备循环充放电测容量，严格控温25℃，筛选容量差异±0.5%内电池组。Professionalequipmentconductscycliccharge-dischargeteststomeasurecapacityunderstricttemperaturecontrolat25°C,selectingbatterypackswithcapacityvariationswithin±0.5%.PART02筛选电池内阻SelectionofBatteryInternalResistance二、筛选电池内阻SelectionofBatteryInternalResistance电池内阻影响ImpactofBatteryInternalResistance欧姆内阻源于材料电阻，极化内阻因电化学反应产生。Ohmicresistanceoriginatesfrommaterialresistivity,whilepolarizationresistancearisesfromelectrochemicalreactions.二、筛选电池内阻SelectionofBatteryInternalResistance电池内阻影响ImpactofBatteryInternalResistance内阻不一致致电流分配不均，增加热量，降低效率，加速老化，可能引发安全问题。Non-uniforminternalresistanceleadstounevencurrentdistribution,increasedheatgeneration,reducedefficiency,acceleratedaging,andpotentialsafetyhazards.二、筛选电池内阻SelectionofBatteryInternalResistance内阻筛选方法InternalResistanceScreeningMethod直流放电法与交流阻抗法DCDischargeMethod/ACImpedanceMethod内阻测量方法MethodsforMeasuringInternalResistance二、筛选电池内阻SelectionofBatteryInternalResistance内阻筛选方法InternalResistanceScreeningMethod内阻差异±10%内，确保电池组电流均匀分配。Cellswithinternalresistancevariationwithin±10%ensureuniformcurrentdistributionacrossthebatterypack.PART03筛选电池电压SelectionofBatteryVoltage三、筛选电池电压SelectionofBatteryVoltage电池电压一致性的意义heSignificanceofBatteryVoltageUniformity电池电压一致性BatteryVoltageUniformity充电不平衡，放电不充分，加速老化，降低循环寿命与能量利用。Poorbatteryvoltageuniformityleadstounbalancedcharging,incompletedischarging,acceleratedaging,andconsequentlyreducedcyclelifealongwithlowerenergyutilizationrates."三、筛选电池电压SelectionofBatteryVoltage电压筛选步骤VoltageScreeningProcedure确保电池50%SOC，统一充放电预处理，使用专业仪器测量电压，剔除偏差大电池，电压差异控于±5mV内。Ensurebatteriesat50%SOC,conductuniformcharge-dischargepretreatment,measurevoltageusingprofessionalinstruments,eliminatebatterieswithlargedeviations,andcontrolthevoltagedifferencewithin±5mV.PART04筛选电池自放电率SelectionofBatterySelf-DischargeRate四、筛选电池自放电率SelectionofBatterySelf-DischargeRate自放电率对电池性能的影响TheImpactofSelf-DischargeRateonBatteryPerformance自放电指电池未使用时电量自然减少，反映电池内部稳定性的关键指标。Self-dischargereferstothenaturallossofelectricchargewhenabatteryisnotinuse,anditisakeyindicatorreflectingtheinternalstabilityofthebattery.四、筛选电池自放电率SelectionofBatterySelf-DischargeRate自放电率对电池性能的影响TheImpactofSelf-DischargeRateonBatteryPerformance高自放电率致锂电存储中电量快速损失，影响效率与寿命，造成充电不平衡及容量衰减不均。Ahighself-dischargeratecausesrapidlossofelectricquantityduringlithiumbatterystorage,affectingefficiencyandlifespan,leadingtounevenchargingandnon-uniformcapacityfading.四、筛选电池自放电率SelectionofBatterySelf-DischargeRate自放电率筛选方法Self-dischargeratescreeningmethod01.自放电率测试Self-dischargeratetest电池充满电后，在恒温湿环境下定期测电压或容量，计算单位时间内电量损失，确定自放电率。Afterthebatteryisfullycharged,measureitsvoltageorcapacityregularlyunderconstanttemperatureandhumidityconditions.Thencalculatetheelectricquantitylossperunittimetodeterminetheself-dischargerate.四、筛选电池自放电率SelectionofBatterySelf-DischargeRate自放电率筛选方法Self-dischargeratescreeningmethod02.电池组筛选BatteryPackScreening测试一批电池自放电率，挑选相近的组成电池组，控制单体内差异，确保性能一致性，剔除高自放电率电池。Conducttestsontheself-dischargeratesforagroupofbatteries,pickouttheoneshavingcomparableratestoassembleintobatterypacks,managevariationsbetweenindividualunits,guaranteeuniformperformance,andremovebatteriesexhibitinghighself-dischargerates.4.涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication《储能电池制造技术》《ManufacturingTechnologyofEnergyStorageBatteries》（一）涂布缺陷病Coatingdefectissues涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication涂布后细长线状缺陷，由浆料流动性不均引起，需预处理浆料，调整粘度，维护涂布头。Slenderlineardefectsaftercoating,causedbyunevenslurryfluidity,requirepre-treatmentoftheslurry,viscosityadjustment,andmaintenanceofthecoatinghead.拉丝和细条道Wiredrawingandfinestriations（二）纵条道Stripedpattern涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication沿极片纵向分布，与设备机械问题相关，需精确调试设备，优化流道设计，控制涂布参数。Distributedalongthelongitudinaldirectionoftheelectrodesheet,relatedtomechanicalequipmentissues,requiringpreciseequipmentdebugging,optimizedrunnerdesign,andcontrolledcoatingparameters.（三）涂布缺陷病Coatingdefectissues涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication极片表面空白区域，因涂布头堵塞或极片杂质，需定期清理，表面处理，稳定极片输送。Whiteareasontheelectrodesurface(UtheisaKong)causedbycloggedcoatingheadsorelectrodeimpuritiesrequireregularcleaning,surfacetreatment,andstableelectrodeconveyance.局部脱涂Partialcoatingpeeling（四）脱膜Filmremoval涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication涂层与集流体分离，粘结力不足，选合适粘结剂，控制干燥，预处理集流体表面。Coatingandcurrentcollectordissociation,insufficientbondingforce,selectappropriatebinder,controldrying,pretreatcurrentcollectorsurface.（五）一致性差Poorconsistency涂布后质量涂层评价EvaluationofCoatingQualityAfterApplication涂层厚度、重量差异大，由工艺参数波动、浆料性质不均引起，需稳定参数，控制浆料，校准设备。ThecoatingthicknessandweightdifferenceofParazacco

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