• 专利标题:   Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material useful as sodium ion battery cathode material, comprises e.g. mixing graphene oxide, nitrogen source, cobalt source and water, subjecting suspension to hydrothermal reaction, directly freeze-drying precursor solution.
  • 专利号:   CN115215380-A
  • 发明人:   FANG X, DAI Z, LI D, TANG H, LEI Z, WU Y, TANG L, YUE C, ZHANG W, HU M, CHEN J
  • 专利权人:   UNIV SICHUAN SCI ENGINEERING
  • 国际专利分类:   B82Y040/00, C01B032/194, C01B032/198, C01G051/04, H01M010/054, H01M004/36, H01M004/525, H01M004/587
  • 专利详细信息:   CN115215380-A 21 Oct 2022 C01G-051/04 202301 Chinese
  • 申请详细信息:   CN115215380-A CN10823826 13 Jul 2022
  • 优先权号:   CN10823826

▎ 摘  要

NOVELTY - Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material comprises mixing graphene oxide, nitrogen source, cobalt source and water to obtain a suspension, subjecting suspension to a hydrothermal reaction to obtain a precursor, directly freeze-drying precursor solution to obtain a precursor, sintering precursor to obtain cobalt tetraoxide/nitrogen-doped graphene oxide material. USE - The method is useful for preparing tricobalt tetroxide/nitrogen-doped graphene oxide material, which is useful as sodium ion battery cathode material (claimed). ADVANTAGE - The tricobalt tetroxide/nitrogen-doped graphene oxide material has high specific capacity, multiplying power performance and cycle stability.