• 专利标题:   Gel film, used as e.g. electrode for resistive sensor, comprises sheets of graphene/chemically converted graphene, partially separated by dispersion medium and arranged in substantially planar manner to form electrically conductive matrix.
  • 专利号:   WO2012006657-A1, AU2011279530-A1, EP2593403-A1, US2013180912-A1, CN103097288-A, AU2016200385-A1, CN103097288-B, AU2016200385-B2, US9751763-B2
  • 发明人:   LI D
  • 专利权人:   UNIV MONASH, UNIV MONASH, UNIV MONASH, UNIV MONASH, LI D
  • 国际专利分类:   B01J013/00, C01B031/00, C01B031/04, B01D061/02, B01D067/00, B01D069/10, B01D069/14, B01D071/02, B01J021/18, B32B009/00, B82Y030/00, H01G011/36, H01M004/02, H01M004/86, H01M004/96, H01M008/02, H01M008/0234
  • 专利详细信息:   WO2012006657-A1 19 Jan 2012 C01B-031/04 201209 Pages: 55 English
  • 申请详细信息:   WO2012006657-A1 WOAU000393 06 Apr 2011
  • 优先权号:   US364049P, AU279530, US13810051, AU200385

▎ 摘  要

NOVELTY - Gel film or isolated gel film, comprises sheets of graphene or chemically converted graphene which are at least partially separated by a dispersion medium and arranged in a substantially planar manner to form an electrically conductive matrix. USE - The gel film is useful as: an electrode for an energy storage or conversion device which is a super capacitor, a battery, a fuel cell, a solar cell, an actuator, a biomedical device, an a superconductor or a separation device; an electrode for an electrochemical sensor or for a resistive sensor; a filtration membrane for nanoparticle or molecule separation; a drug carrier for controlled drug release and/or delivery; a conductive tissue scaffold for cell growth; a catalyst support; an adsorbent for water purification and/or separation; a material component; a scaffold for the formation of a hybrid gel film comprising a material of an organic molecule, a polymer, a biomolecule, inorganic or metal nanoparticles, or inorganic oxide particles (all claimed). ADVANTAGE - The gel film: has individual sheets that work cooperatively to allow the high specific surface area, improved durability, aesthetic, mechanical strength and electrical conductivity of the gel; utilizes surface which is itself conductive thus provides increased overall conductivity of the gel material; provides a nanofiltration film with pore sizes tunable at the nanometer scale; can be simply prepared; has a highly open pore structure, structural/chemical stability and a flexible thin film form as a catalyst support or as a super-absorbent for water purification; can retain its structural integrity in both acidic and basic solutions and in organic solvents; forms reliable electrode contacting with external circuits; and has the potential to be a unique experimental platform for future research on the electronic properties of graphene assemblies, pseudo-two dimensional nanofluidics, nanoscale confinement effects and fundamental surface/interface phenomena of carbon materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for producing the gel film comprising: contacting a surface with dispersion medium comprising sheets of graphene or chemically converted graphene dispersed in it; and removing some of the dispersion medium from the surface and allowing the sheets to self-assemble to form a gel film on the surface. DESCRIPTION OF DRAWING(S) - The figure shows a schematic diagram of a portion of a gel film.