電池隔膜材料要求Batteryseparatormaterialrequirements《儲能電池制造技術(shù)》《ManufacturingTechnologyofEnergyStorageBatteries》學(xué)習(xí)目標(biāo)鋰電隔膜關(guān)鍵性能KeyperformancecharacteristicsoflithiumbatteryseparatorsLearningObjectives隔膜的機(jī)械與尺寸穩(wěn)定性Mechanicalanddimensionalstabilityoftheseparator化學(xué)穩(wěn)定性Chemicalstability厚度與孔徑均勻性ThicknessandporesizeuniformityPART01鋰電隔膜關(guān)鍵性能Keyperformancecharacteristicsoflithiumbatteryseparators（一）絕緣性能Insulationperformance一、鋰電隔膜關(guān)鍵性能Keyperformancecharacteristicsoflithiumbatteryseparators絕緣保正負(fù)極隔離Insulationensurestheisolationofpositiveandnegativeelectrodes絕緣確保隔膜有效防止短路，維持電池安全運(yùn)行。Insulationensurestheseparatoreffectivelypreventsshortcircuitsandmaintainssafebatteryoperation.（二）浸潤性能與電解液接觸Thewettingperformancecomesintocontactwiththeelectrolyte一、鋰電隔膜關(guān)鍵性能Keyperformancecharacteristicsoflithiumbatteryseparators接觸角評估隔膜浸潤性ThecontactAngleisusedtoassessthewettabilityofthediaphragm小接觸角表明良好浸潤性，促進(jìn)鋰離子順暢遷移，優(yōu)化電池性能。AsmallcontactAngleindicatesgoodwettability,promotessmoothmigrationoflithiumions,andoptimizesbatteryperformance.（三）離子導(dǎo)電率與電池倍率性能Ionicconductivityandbatteryrateperformance一、鋰電隔膜關(guān)鍵性能Keyperformancecharacteristicsoflithiumbatteryseparators高離子導(dǎo)電率支持快速充放電，滿足電動汽車等高功率需求場景。Highionicconductivitysupportsrapidcharge-discharge,meetinghigh-powerdemandscenariossuchaselectricvehicles.PART02隔膜的機(jī)械與尺寸穩(wěn)定性Mechanicalanddimensionalstabilityoftheseparator（一）機(jī)械強(qiáng)度與電池組裝安全性MechanicalStrengthandBatteryAssemblySafety二、隔膜的機(jī)械與尺寸穩(wěn)定性Mechanicalanddimensionalstabilityoftheseparator拉伸測試評估隔膜強(qiáng)度Tensiletestsareusedtoevaluatethestrengthofthediaphragm足夠的機(jī)械強(qiáng)度防止隔膜在生產(chǎn)與使用中破裂，保障電池結(jié)構(gòu)完整。Tensiletestingevaluatesdiaphragmstrength.Sufficientmechanicalstrengthpreventsdiaphragmruptureduringproductionandusage,ensuringthestructuralintegrityoftheBroussonetiapapyriferabattery.（二）尺寸穩(wěn)定性對抗熱收縮Dimensionalstabilityagainstthermalshrinkage二、隔膜的機(jī)械與尺寸穩(wěn)定性Mechanicalanddimensionalstabilityoftheseparator避免高溫下尺寸變化，維護(hù)電池內(nèi)部結(jié)構(gòu)穩(wěn)定，減少短路風(fēng)險。Avoiddimensionalchangesunderhightemperatures,maintainthestabilityoftheinternalstructureofthebatterybroussonetiapapyrifera,andreducetheriskofshortcircuits.PART03化學(xué)穩(wěn)定性Chemicalstability（一）化學(xué)兼容性與材料穩(wěn)定性ChemicalCompatibilityandMaterialStability三、化學(xué)穩(wěn)定性Chemicalstability隔膜化學(xué)穩(wěn)定性Chemicalstabilityofthediaphragm穩(wěn)定的化學(xué)性質(zhì)防止隔膜結(jié)構(gòu)破壞，延長電池使用壽命，確保性能持久。DiaphragmChemicalStabilityStablechemicalpropertiespreventdiaphragmfoulingbybroussonetiapapyrifera,extendingbatteryservicelifeandensuringlong-lastingperformance.PART04厚度與孔徑均勻性Thicknessandporesizeuniformity（一）厚度均勻性對電池性能的影響Theinfluenceofthicknessuniformityonbatteryperformance四、厚度與孔徑均勻性Thicknessandporesizeuniformity均勻的隔膜厚度支持一致的離子傳導(dǎo)速率，避免局部過熱和容量衰減。Uniformdiaphragmthicknesssupportsconsistentionconductionrates,preventinglocalizedoverheatingandcapacitydegradation.（二）孔徑均勻性與鋰離子傳導(dǎo)率Apertureuniformityandlithium-ionconductivity四、厚度與孔徑均勻性Thicknessandporesizeuniformity優(yōu)化孔徑提升傳導(dǎo)Optimizetheaperturetoenhanceconduction均勻的孔徑分布保證鋰離子均勻傳導(dǎo)，增強(qiáng)隔膜隔離效果，提升電池整體性能。Optimizingapertureenhancesconduction.U