• 专利标题:   Method for preparation of positive electrode material of lithium ion battery, involves adding phosphorus source, iron source, lithium source, carbon source, where carbon source is selected from carbohydrate, and graphene.
  • 专利号:   CN105789572-A, CN105789572-B
  • 发明人:   JI Y, XIA D, XIAN X
  • 专利权人:   GUIZHOU ANDA ENERGY TECHNOLOGY CO LTD, GUIZHOU ANDA ENERGY TECHNOLOGY CO LTD
  • 国际专利分类:   H01M010/0525, H01M004/136, H01M004/36, H01M004/58, H01M004/62
  • 专利详细信息:   CN105789572-A 20 Jul 2016 H01M-004/36 201674 Pages: 13 Chinese
  • 申请详细信息:   CN105789572-A CN10123928 04 Mar 2016
  • 优先权号:   CN10123928

▎ 摘  要

NOVELTY - The method for preparation of positive electrode material of lithium ion battery, involves adding phosphorus source, iron source, lithium source, carbon source and solvent to obtain slurry, drying the slurry to precursor, pulverizing the precursor to obtain precursor powder, calcining the precursor powder under protective atmosphere. The carbon source is selected from carbohydrate, carbon black conductive agent and graphene. USE - Method for preparation of positive electrode material of lithium ion battery (all claimed). ADVANTAGE - The method enables preparation of positive electrode material of lithium ion battery with high electric conductivity, low resistance and excellent cycle performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) .(1) a positive electrode which is provided with current collector and positive electrode material. The positive electrode material comprises conductive agent and binder; and (2) (2)a lithium ion battery which is provided with battery housing located inside of electric core assembly and electrolyte. The core assembly includes positive electrode, separator and negative electrode.