• 专利标题:   New potassium ion battery anode material, i.e. potassium vanadium oxyfluoride phosphate useful in potassium ion battery, prepared by performing ion-exchange of sodium vanadium oxyfluoride phosphate with potassium ion.
  • 专利号:   CN113800495-A
  • 发明人:   ZHANG Z, ZHU C
  • 专利权人:   UNIV SUN YATSEN
  • 国际专利分类:   C01B025/45, C01B025/455, H01M010/054, H01M004/58
  • 专利详细信息:   CN113800495-A 17 Dec 2021 C01B-025/455 202234 Chinese
  • 申请详细信息:   CN113800495-A CN10537217 12 Jun 2020
  • 优先权号:   CN10537217

▎ 摘  要

NOVELTY - Potassium ion battery anode material, i.e. potassium vanadium oxyfluoride phosphate (I) is new. USE - (I) is useful in potassium ion battery (claimed). ADVANTAGE - (I): uses oxygen element to replace fluorine element, and then the crystal structure and transmission characteristics are changed; has high energy and high power density, stable structure and long cycle life, and reduces the cost, which is beneficial to industrialized production. DETAILED DESCRIPTION - Potassium ion battery anode material, i.e. potassium vanadium oxyfluoride phosphate of formula (K3V2(PO4)2O2xF3-2x) (I) is new. x = 0.005-1, preferably 1. An INDEPENDENT CLAIM is also included for preparation of (I).