• 专利标题:   Preparing iron-platinum/graphene composite nano material, comprises e.g. processing graphene oxide with ultrasonic dispersion in deionized water, and mixing acetylacetone and a mixture of platinum, acetylacetone and iron.
  • 专利号:   CN102626786-A, CN102626786-B
  • 发明人:   LIU X, WU Q, LI Q, FU X, CHEN D
  • 专利权人:   UNIV WUHAN TECHNOLOGY
  • 国际专利分类:   B22F009/24
  • 专利详细信息:   CN102626786-A 08 Aug 2012 B22F-009/24 201282 Pages: 8 Chinese
  • 申请详细信息:   CN102626786-A CN10088738 30 Mar 2012
  • 优先权号:   CN10088738

▎ 摘  要

NOVELTY - Preparing iron-platinum/graphene composite nano material comprises (i) processing the graphene oxide with ultrasonic dispersion in deionized water to obtain uniform graphene oxide aqueous solution A, (ii) preparing ethylene glycol solution D by mixing acetylacetone and a mixture of platinum, acetylacetone and iron, (iii) adding solution A to solution D, stirring to obtain solution E, (iv) transferring solution E to a polytetrafluoroethylene reaction kettle, and reacting for 24 hours at 160 degrees C to obtain the reaction product, and (v) centrifugally washing the product, and then drying. USE - The method is useful for preparing iron-platinum/graphene composite nano material. ADVANTAGE - The method: is simple, economical, environmental friendly, and suitable for industrial production; does not require surfactant and additional reducing agent; and solves the problem of iron-platinum nano-particle agglomeration. DETAILED DESCRIPTION - Preparing iron-platinum/graphene composite nano material comprises (i) processing the graphene oxide with ultrasonic dispersion in deionized water to obtain uniform graphene oxide aqueous solution A, (ii) preparing ethylene glycol solution D by mixing acetylacetone and a mixture of platinum, acetylacetone and iron, (iii) adding solution A to solution D, stirring to obtain solution E, where the concentration of oxidized graphite alkene in the solution E is 0.5 g/l or 1.25 g/l, and the concentration of platinum, acetylacetone and iron mixture is 6.25 mmol/l, (iv) transferring solution E to a polytetrafluoroethylene reaction kettle, and reacting for 24 hours at 160 degrees C to obtain the reaction product, and (v) centrifugally washing the product, and then drying.