• 专利标题:   Preparation of zinc manganate/graphene composite used as anode material for lithium ion battery, involves mixing graphite oxide aqueous solution and metal salt aqueous solution, performing hydrothermal process, cooling and filtering.
  • 专利号:   CN104934590-A
  • 发明人:   WANG D, ZHANG Y, WEN G, ZHOU W
  • 专利权人:   HARBIN INST TECHNOLOGY, WEIHAI YUNSHAN TECHNOLOGY CO LTD
  • 国际专利分类:   H01M004/50, H01M004/62
  • 专利详细信息:   CN104934590-A 23 Sep 2015 H01M-004/50 201615 Pages: 7 Chinese
  • 申请详细信息:   CN104934590-A CN10228523 07 May 2015
  • 优先权号:   CN10228523

▎ 摘  要

NOVELTY - Preparation of zinc manganate/graphene composite material involves preparing 1-2 g/L graphite oxide aqueous solution (a), preparing metal salt aqueous solution (b), where molar ratio of zinc acetate dihydrate and manganese acetate dihydrate in metal salt aqueous solution is 1:2, and concentration of zinc acetate dihydrate is 0.05-0.2 M, mixing solution (b) and solution (a) in a volume ratio of 1:5-7, performing hydrothermal process at 160-190 degrees C for 6-12 hours, cooling to room temperature, filtering, washing obtained solid using deionized water and freeze-drying. USE - Preparation of zinc manganate/graphene composite material used as anode material for lithium ion battery. ADVANTAGE - The method enables simple and efficient preparation of zinc manganate/graphene composite material having large specific area. The lithium ion battery using the zinc manganate/graphene composite material has high specific capacity and excellent cycle characteristics.