• 专利标题:   Preparing graphene-titanium dioxide nanocomposite material, comprises e.g. taking titanium dioxide nanoparticles and graphite rod, introducing inert gas and carbon source to form graphene on the surface of titanium dioxide nanoparticles.
  • 专利号:   CN112429720-A, CN112429720-B
  • 发明人:   YANG L, LIU W, SONG H, HUO P, YU Y, JIN X, WANG P, LIU J, YU X
  • 专利权人:   AEROSPACE SPECIAL MATERIALS PROCESSING
  • 国际专利分类:   B82Y030/00, B82Y040/00, C01B032/184, C01G023/047
  • 专利详细信息:   CN112429720-A 02 Mar 2021 C01B-032/184 202129 Pages: 9 Chinese
  • 申请详细信息:   CN112429720-A CN11306636 19 Nov 2020
  • 优先权号:   CN11306636

▎ 摘  要

NOVELTY - Preparing graphene-titanium dioxide nanocomposite material, comprises (i) providing titanium dioxide nanoparticles, (ii) placing titanium dioxide nanoparticles in a microwave plasma equipment, placing graphite rod in the microwave plasma equipment, sealing the microwave plasma equipment, and introducing inert gas and carbon source materials, (iii) turning on the microwave plasma equipment, generating corona discharge to split the carbon source by using the conductivity of graphite, thus forming graphene on the surface of titanium dioxide nanoparticles by in-situ growth method to obtain final product. USE - The method is useful for preparing graphene-titanium dioxide nanocomposite material. ADVANTAGE - The method: utilizes excellent conductivity and high temperature stability of the graphite, which can generate corona discharge in the microwave plasma equipment, cracks carbon source, and nucleates and grows on the titanium dioxide nano-particle surface to form graphene-titanium dioxide nano-composite material; improves the preparation efficiency; solves the problem that the existing chemical vapur deposition method, ultra-high temperature is easy to cause titanium dioxide nano-particles serious agglomeration. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene-titanium dioxide nanocomposite material prepared by above method.