• 专利标题:   Preparing tin-antimony oxide composite material, comprises e.g. preparing solution of carbon source, adding tin-antimony oxide to fully dissolve to obtain precursor solution, then freezing, vacuum drying, performing carbonization treatment, or electrostatic spinning after carbonization treatment.
  • 专利号:   CN114824239-A
  • 发明人:   ZHANG N, DING X, CHEN X
  • 专利权人:   UNIV JIANGSU SCI TECHNOLOGY
  • 国际专利分类:   D01F001/10, D01F009/21, F26B005/06, H01M010/054, H01M004/48, H01M004/62
  • 专利详细信息:   CN114824239-A 29 Jul 2022 H01M-004/48 202288 Chinese
  • 申请详细信息:   CN114824239-A CN10181378 26 Feb 2022
  • 优先权号:   CN10181378

▎ 摘  要

NOVELTY - Preparing tin-antimony oxide composite material, comprises firstly preparing solution of carbon source, then adding tin-antimony oxide to fully dissolve to obtain precursor solution, then freezing the precursor solution, vacuum drying, performing carbonization treatment, or electrostatic spinning after carbonization treatment to obtain tin-antimony oxide composite material with porous carbon coating structure USE - The tin-antimony oxide composite material is useful in preparing battery negative electrode material (claimed). ADVANTAGE - The tin-antimony oxide composite material has good specific capacity and cycle stability as sodium ion battery negative electrode the specific capacity can reach 575 mAh/g, the capacity maintenance rate of the front 40 ring reaches 99 %. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: use of tin-antimony oxide composite material in preparing battery negative electrode material, where the battery is secondary battery or sodium ion battery, the negative electrode material comprises 50.99.5 wt.% tin-antimony oxide composite material, 0.1-40 wt.% conductive agent and 0.1-40 wt.% agglomerant-antimony oxide composite material; and econdary battery.