• 文献标题:   Synergistically enhancing electromagnetic interference shielding performance and thermal conductivity of polyvinylidene fluoride-based lamellar film with MXene and graphene
  • 文献类型:   Article
  • 作  者:   LI YL, ZHANG D, ZHOU B, HE CG, WANG B, FENG YZ, LIU CT
  • 作者关键词:   a, polymermatrix composites a, layered structure b, electrical properties b, thermal propertie
  • 出版物名称:   COMPOSITES PART AAPPLIED SCIENCE MANUFACTURING
  • ISSN:   1359-835X EI 1878-5840
  • 通讯作者地址:  
  • 被引频次:   24
  • DOI:   10.1016/j.compositesa.2022.106945 EA APR 2022
  • 出版年:   2022

▎ 摘  要

Polymer-based layered conductive films used in electromagnetic interference (EMI) shielding and thermal management applications face a huge challenge of high contact electrical/thermal interfacial resistance. In this work, synergistic effect strategy between MXene and graphene nanoplates (GNP) is put forward to construct a directly contacted conductive network in polymer layered film. In detail, polyvinylidene fluoride (PVDF)-based layered films were prepared by the scalable blade-coating process. Under the above synergistic effect, a directly contacted in-plane electrical/thermal conduction network was obtained in the composite film. As a result, the MXene/GNP-PVDF composite film reveals both synergistic enhancements in electrical conductivity, EMI shielding effectiveness (SE) and in-plane thermal conductivity with the optimal values of 7423 S/m, 36.3 dB and 36.9 W/m K, respectively, which exceed those of the composite films with only MXene or GNP. Therefore, this work provides a simple synergistic strategy for the design and preparation of multifunctional EMI shielding and thermal management films.