废旧隔膜衍生碳对回收石墨锂电性能的协同提升研究

打开文本图片集

中图分类号：TS7 文献标识码：A DOI： 10.11980/j.issn.0254-508X.2025.09.008

Abstract：Thissdypropodattatforupgdingpolyolefiseparatosandfrtedisassblyofrapliubat teriesintohig-valuecarbonmateralsTeresultsndicatedtattheseparatorderivedcarboneibitsalayeredstructurewithtecoeis tenceoforderdanddisorderedregions.Whenusedasanaodematerial，itachievedaspecificapacityof695mAh/gatacuentdsity of 100mA/g ，exceeding twicethatofrecycled graphite.Although theconversioneficiencyand productyieldof thecarbonizationprocess stilldaistioltocallieatldpifd evenwithasmallmountofddition.ecompositeeletrodebasedonreccledgaphiteandseparatorderivedarbodemonstratessuperiorlithium-ondiusinchracteristisndapacitystabilityaftercclesataO.5Crateteompositematerialmaintaidstable discharge capacity of 380mAh/g ，while the single recycled graphite only achieved 285mAh/g

Keywords：wasteseparator-derived carbon； lithium-ionbattery recycling；recycled graphite；composite electrode

过去数十年，锂离子电池技术在各类消费电子产品中的飞速发展，大幅增加了废旧电池的产生，给环境与经济带来严峻挑战-2]。（剩余10259字）