添加剂及工艺条件对锂离子电池用电解铜箔性能的影响研究

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中图分类号：TM912 文献标志码：A 文章编号：2095-2945（2025）20-0079-04

Abstract：Theeffctsofdiffrentadditivesandprocessconditionsonthepropertiesofcopperfoilpreparedby electrodepositionereinvestigated.Inheproessofopperfilpreparationbylectrodepositiomethodsingleaditivecollgen， hydroxyethylcellose，andacombinationofaditiveswereusedtoverifyteefectsofaditivesontheroughnessandtensile propertiesofcopperfoilAtthesametime，thecurrentdensityandtemperatureintheprocessconditionswerechangedtoverify theinfluenceofdiferentprocessconditionsonthepropertiesofcopperfoil.Theresultsshowthattheaditionofadditivescan reduce theroughness of copper foil and improve its tensile strength.The best combination of additives is 0.1g/L collagen， 0.6g/L （20 hydroxyethyl cellulose and 0.2g/L polydisulfide sodium.When the current density is 5A/dm2 and the temperature is 298K ，the microstructure of theprepared copper foil is good，which meets therequirements of lithium-ion battery.

Keywords： lithium ionbattery;electrolytic copper foil;additive; orthogonal test; copper foil properties

电解铜箔是锂离子电池的重要材料，制作高性能铜箔对提高锂离子电池的容量、充放电速率有积极帮助。（剩余3875字）