改性中间相沥青基碳纤维制备高性能碳纸

打开文本图片集
关键词:碳纸;中间相沥青基碳纤维;导电性;透气率中图分类号:TS76 文献标识码:A DOI: 10.11980/j.issn.0254-508X.2026.04.004
Preparation ofHigh-performance Carbon PaperUsingModified Mesophase Pitch-basedCarbonFibers
ZHAO Ning1,3LIU Hui1*DU Shuming1WANG Yangfeng²WANG Hongtao²MA Chuanjun 2 (1.Dalian Maritime University,Dalian,Liaoning Province,116O26;2.Sinopec(Dalian) Petroleum&Chemical Research InstituteCo.,Ltd.,Dalian,LiaoningProvince,116O45;3.Tangshan Environmental Planning Science Research Institute,Tangshan,Hebei Province,) (*E-mail: liuhui@dlmu. edu.cn)
Abstract:Intisdymesopasepibsedcarbonfibrseremodifdtouhgemperatureaiidationndtnbldd withpolyacryloitrile(PA)-basedcarbonfbrstobricatehgpeforancecarbonpapers.Acomprehensivecomparisonascoducted ontheurfacelcaductiiysilegtabilitydtoicalfe( fusionlayers)ofcarbonpaperswithdiferentMPcarbonfiberdopingatios.Theresultsshowedtatcarbonpaperexhibitedthebestefor mancewhenthe MP carbon fiber dopingrations was 50% ,withatensilestrengthof24.41MPa,anairpermeabilityof13455mL·mm/ (cm²·h·mmHg),and an area-specific resistivity of 4.65mΩ⋅cm .Moreover,its electrochemical performance as a gas diffusion layer was superior to that of commercially available imported carbon papers.
Key words:carbon paper; mesophase pitch-based carbon fibers;electrical conductivity;air permeability
质子交换膜燃料电池是一种当前受到广泛关注的氢能转化电能装置。(剩余11697字)