• 专利标题:   Preparing sodium titanate nanowire/graphene composite negative electrode material involves dissolving graphene oxide in organic solvent to obtain graphene oxide solution, adding titanium source to graphene oxide solution and mixing.
  • 专利号:   CN105336940-A, CN105336940-B
  • 发明人:   LI Z, TANG Y, ZHANG F
  • 专利权人:   SHENZHEN INST ADVANCED TECHNOLOGY, SHENZHEN INST ADVANCED TECHNOLOGY
  • 国际专利分类:   H01M010/05, H01M004/485, H01M004/62
  • 专利详细信息:   CN105336940-A 17 Feb 2016 H01M-004/485 201645 Pages: 11 English
  • 申请详细信息:   CN105336940-A CN10682930 20 Oct 2015
  • 优先权号:   CN10682930

▎ 摘  要

NOVELTY - The preparation method of sodium titanate nanowire/graphene composite negative electrode material involves dissolving graphene oxide in organic solvent to obtain graphene oxide solution, adding titanium source to obtained graphene oxide solution, mixing, carrying out solvothermal reaction (A) to obtain titanium dioxide/graphene composite, adding aqueous solution of sodium hydroxide to titanium dioxide/graphene composite, and carrying out solvothermal reaction (B) to obtain sodium titanate nanowire/graphene crude product. USE - The method is useful for preparing sodium titanate nanowire/graphene composite negative electrode material, which is useful for sodium ion battery negative electrode material. DETAILED DESCRIPTION - The preparation method of sodium titanate nanowire/graphene composite negative electrode material involves dissolving graphene oxide in organic solvent to obtain graphene oxide solution, adding titanium source to obtained graphene oxide solution, mixing, carrying out solvothermal reaction (A) to obtain titanium dioxide/graphene composite, adding aqueous solution of sodium hydroxide to titanium dioxide/graphene composite, carrying out solvothermal reaction (B) to obtain sodium titanate nanowire/graphene crude product, washing sodium titanate nanowire/graphene crude product with water until pH-value is 7, and drying.