• 专利标题:   Graphite alkene-lithium silicate composite cathode material preparation method, involves mixing lithium silicate and graphene oxide for duration of specific hours by utilizing low speed machinery ball mill to obtain cathode material.
  • 专利号:   CN103887482-A, CN103887482-B
  • 发明人:   WANG Y, ZHANG B
  • 专利权人:   WANG Y, ULANQAB DASHENG NEW GRAPHITE MATERIAL CO LTD
  • 国际专利分类:   H01M004/36, H01M004/58
  • 专利详细信息:   CN103887482-A 25 Jun 2014 H01M-004/36 201457 Pages: 5 Chinese
  • 申请详细信息:   CN103887482-A CN10138387 08 Apr 2014
  • 优先权号:   CN10138387

▎ 摘  要

NOVELTY - The method involves mixing silicate nano-silicon oxide and lithium oxalate in a helium reactor, where temperature of the helium reactor is 50-60 degrees Celsius. Surfactant dodecyl trimethyl ammonium bromide is added to ionized water. Sulfur/graphene oxide is prepared and added to deionized water. Lithium silicate and graphene oxide are mixed for duration of 12-24 hours by utilizing a low speed machinery ball mill to obtain a cathode material, where mass % of lithium silicate and graphene oxide is 10: 2-3 and mixing speed is 400-500 r/min. USE - Method for preparing a graphite alkene-lithium silicate composite cathode material. ADVANTAGE - The method enables improving energy density of a lithium-silicon material and conductivity and circulation stability of the sulfur/graphene oxide composite material. The method enables improving energy density and stability characteristics of a graphite alkene-lithium silicate composite cathode material.