2023·11基础研究48ModernChemicalResearch当代化工研究CF/BCNNTs/PANI纳米阵列作为纤维状锌离子电容器正极的性能研究＊柯洪成徐一特曹磊*熊仕显（江西理工大学国际创新研究院江西330013）摘要：柔性锌离子电容器（FZCs）具有高能量密度、低成本、高效安全以及高柔性等优点，在柔性可穿戴电子储能领域有很高的应用价值和发展前景。但现有的FZCs柔性电极难以兼备高能量密度和良好的力学稳定性，其中，缺少合适的柔性正极材料是限制其电化学性能提高的关键。本工作针对FZCs电容器正极材料存在的缺陷，以柔性碳纤维（CF)为基底材料，结合原位生长及电化学沉积方法，制备了具有三维纳米阵列结构的CF/硼碳氮纳米管/聚苯胺（CF/BCNNTs/PANI）柔性电极，并研究其作为FZCs正极的电化学性能。结果表明：在电流密度为0.5mA/cm2时，能够提供较高的比电容291mF/cm2、能量密度90.94μWh/cm2和功率密度375μW/cm2，且500次充放电循环后容量保持率为80.85%，具备优秀的循环稳定性。关键词：锌离子电容器；柔性纤维电极；聚苯胺；BCN纳米管中图分类号：TB34文献标识码：ADOI：10.20087/j.cnki.1672-8114.2023.11.015StudyofCF/BCNNTs/PANINanoarraysasCathodesforFibrousZincIonCapacitorsKeHongcheng,XuYite,CaoLei*,XiongShixian(InternationalInsituteforInnovation,JiangxiUniversityofScienceandTechnology,Jiangxi,330013)Abstract：Withtheadvantagesofhighenergydensity,lowcost,highefficiency,andsafetyaswellashighflexibility,flexiblezincioncapacitors(FZCs)havegreatapplicationvalueanddevelopmentprospectsinthefieldofwearableelectronicenergystorage.However,theexistingflexibleelectrodesofFZCsaredifficulttobalancehighenergydensityandmechanicalstability.Thelackofsuitableflexiblecathodematerialsisakeyfactorlimitingtheimprovementoftheirelectrochemicalperformance.Inthiswork,theflexiblecathodeofcarbonfiber/boron-carbonnitrogennanotubes/polyaniline(CF/BCNNTs/PANI)with3DnanoarraystructurewaspreparedbycombininginsitugrowthandelectrochemicaldepositionmethodstoaddresstheshortageofthecathodematerialforFZCs.ItselectrochemicalperformanceasthecathodeofFZCswasinvestigated.Theresultsexhibitexcellentelectrochemicalperformancewithaspecificcapacitanceof291mF/cm2atacurrentdensityof0.5mA/cm2,anenergydens...
