• 专利标题:   Preparation of graphene conductive material for e.g. lithium battery and printed circuit, involves e.g. mixing graphene oxide, phosphoric acid, lithium hydroxide, ferrous sulfate and glucose, washing with absolute ethanol, mixing with dispersant, and adding metal salt solution and metal base film.
  • 专利号:   CN113674917-A
  • 发明人:   QUAN S, JI S
  • 专利权人:   UNIV LINYI
  • 国际专利分类:   H01B001/04, H01B001/02, H01B013/00
  • 专利详细信息:   CN113674917-A 19 Nov 2021 H01B-013/00 202205 Chinese
  • 申请详细信息:   CN113674917-A CN10416638 15 May 2020
  • 优先权号:   CN10416638

▎ 摘  要

NOVELTY - Method for preparing graphene conductive material involves: (a) adding graphene oxide into deionized water, adding phosphoric acid, uniformly stirring, adding lithium hydroxide, stirring and mixing for 30-40 minutes, introducing nitrogen, orderly adding ferrous sulfate and glucose, uniformly stirring, sending into reaction kettle, reacting for 10-12 hours at 200-240degrees Celsius, discharging, washing precipitate with absolute ethanol for 2-3 times, and drying for 10-12 hours at 50-55degrees Celsius to obtain modified graphene; (b) mixing modified graphene with dispersant, ultrasonically dispersing, adding metal salt solution, and ultrasonically dispersing; and (c) placing metal base film in solution, reacting for 3-4 hours at 85-95degrees Celsius by using hydrothermal method, and drying at 70-80degrees Celsius. USE - Preparation method of graphene conductive material used in application field of lithium battery, printed circuit and electronic component i.e. capacitor, energy, metal anti-corrosion and biosensor, and preparing nano-composite material with high performance. ADVANTAGE - The method provides graphene conductive material with good conductivity and mechanical property.