• 文献标题:   Three-Dimensional Graphene Foam-Polymer Composite with Superior Deicing Efficiency and Strength
  • 文献类型:   Article
  • 作  者:   BUSTILLOS J, ZHANG C, BOESL B, AGARWAL A
  • 作者关键词:   graphene foam, joule heating deicing thermal transport, thermoelectrical stability, deicing efficiency
  • 出版物名称:   ACS APPLIED MATERIALS INTERFACES
  • ISSN:   1944-8244 EI 1944-8252
  • 通讯作者地址:   Florida Int Univ
  • 被引频次:   16
  • DOI:   10.1021/acsami.7b18346
  • 出版年:   2018

▎ 摘  要

The adhesion of ice severely compromises the aerodynamic performance of aircrafts operating under critically low-temperature conditions to their surfaces. In this study, highly thermally and electrically conductive graphene foam (GrF) polymer composite is fabricated. GrF-polydimethylsiloxane (PDMS) deicing composite exhibits superior deicing efficiency of 477% and electrical conductivities of 500 S m(-1) with only 0.1 vol % graphene foam addition as compared to other nanocarbon-based deicing systems. The three-dimensional interconnected architecture of GrF allows the effective deicing of surfaces by employing low power densities (0.2 W cm(-2)). Electrothermal stability of the GrF-PDMS composite was proven after enduring 100 cycles of the dc loading unloading current. Moreover, multifunctional GrF-PDMS deicing composite provides simultaneous mechanical reinforcement by the effective transfer and absorption of loads resulting in a 23% and 18% increase in elastic modulus and tensile strength, respectively, as compared to pure PDMS. The enhanced efficiency of the GrF-PDMS deicing composite is a novel alternative to current high-power consumption deicing systems.