• 专利标题:   Anode material used in anode sheet of battery, comprises anode active material and cross-linked polymer/titanium oxydifluoride/conductor composite coating layer formed on surface of anode active material.
  • 专利号:   CN114335449-A
  • 发明人:   QI S, PING L, LV H, ZHANG M, HUANG R
  • 专利权人:   KUNSHAN BAOCHUANG NEW ENERGY TECHNOLOGY
  • 国际专利分类:   H01M010/0525, H01M010/42, H01M004/36, H01M004/505, H01M004/525, H01M004/62
  • 专利详细信息:   CN114335449-A 12 Apr 2022 H01M-004/36 202258 Chinese
  • 申请详细信息:   CN114335449-A CN11072066 09 Oct 2020
  • 优先权号:   CN11072066

▎ 摘  要

NOVELTY - Anode material comprises anode active material and a cross-linked polymer/TiOF2/conductor composite coating layer formed on the surface of the anode active material. USE - The anode material is used in anode sheet of battery (claimed). ADVANTAGE - The anode material has good structural stability and chemical stability, good ionic conductivity and electronic conductivity, significantly improve the safety performance of the battery, improves the capacity and cycle performance of the battery without affecting the rate performance of the battery. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) preparing the anode material, comprising (a) dispersing the anode active material in an organic solvent, and mixing with TiF ethanol solution, polymerized monomer of the cross-linked polymer, the conductive agent, polymerization catalyst and initiator, stirring and reacting at 100-200degreesC for 4-24 hours, so as to form a cross-linked polymer/TiOF2/conducting agent composite coating layer on the surface of the anode electrode active material to obtain a anode electrode material, (b) dispersing the anode electrode active material in an organic solvent and mixing with TiOF2, polymerized monomer of cross-linked polymer, conductive agent, polymerization catalyst and initiator, stirring the reaction at 100-200degreesC for 4-24 hours, so as to form a cross-linked polymer/TiOF2/conducting agent composite coating layer on the surface of the anode electrode active material; (2) anode sheet, comprising anode material; (3) battery, comprising the anode sheet.