• 专利标题:   Rotary cutting method for preparing graphene under electric field environment, involves impregnating lithium ion aqueous solution with inert electrode unit and high-purity graphite, and drying obtained product to obtain graphene.
  • 专利号:   CN104876211-A
  • 发明人:   BAO Q, LI S, YUAN J, ZHU Z
  • 专利权人:   UNIV SOOCHOW
  • 国际专利分类:   C01B031/04
  • 专利详细信息:   CN104876211-A 02 Sep 2015 C01B-031/04 201624 Pages: 9 Chinese
  • 申请详细信息:   CN104876211-A CN10174415 14 Apr 2015
  • 优先权号:   CN10174415

▎ 摘  要

NOVELTY - The method involves accommodating lithium ion solution as the electrolytic solution in a reaction vessel, impregnating lithium ion aqueous solution with inert electrode unit and high-purity graphite, turning ON the DC power supply, stirring lithium ion aqueous solution using stirrer, peeling the cathodic polarization purity graphite at constant voltage, obtaining graphene prepared solution, performing ultrasonic dispersion and low speed centrifugation, obtaining high-speed centrifugation of supernatant of the product and drying obtained product to obtain graphene. USE - Rotary cutting method for preparing graphene under electric field environment (claimed). ADVANTAGE - The rapid and easier preparation method, safety, environment-friendly, low cost and direct peeling off natural graphite can be achieved. The electrochemical peeling off graphene, increased yield and good quality of graphene thin film can be achieved. DETAILED DESCRIPTION - A rotary cutting method for preparing graphene under electric field environment, involves accommodating lithium ion solution as the electrolytic solution in a reaction vessel, impregnating lithium ion aqueous solution with an inert electrode unit, a high-purity graphite, providing inert electrode unit as an anode and high-purity graphite as a cathode, turning ON the DC power supply, stirring lithium ion aqueous solution using stirrer, peeling the cathodic polarization of purity graphite at constant voltage, subjecting lithium ion solution to certain speed stirring, peeling off shearing force from cathode multilayer graphene, obtaining graphene prepared solution, performing ultrasonic dispersion and low speed centrifugation, obtaining high-speed centrifugation of supernatant of the product in high-speed centrifugation and drying obtained product to obtain the graphene.