• 专利标题:   Preparing ternary mixed slurry material used in high safety lithium battery, involves preparing aminated NCM, spraying ammonia water to surface of NCM after corona treatment, followed by mixing aminated NCM with alumina and graphene powder.
  • 专利号:   CN112421023-A
  • 发明人:   WANG C, LI Z, LIU X, WENG X, CHEN C
  • 专利权人:   JIANGSU HOUSHENG NEW ENERGY TECHNOLOGY
  • 国际专利分类:   H01M004/505, H01M004/525, H01M004/62, H01M010/0525, H01M010/42
  • 专利详细信息:   CN112421023-A 26 Feb 2021 H01M-004/505 202124 Pages: 8 Chinese
  • 申请详细信息:   CN112421023-A CN11353673 27 Nov 2020
  • 优先权号:   CN11353673

▎ 摘  要

NOVELTY - Preparing ternary mixed slurry material involves preparing aminated NCM, spraying ammonia water to the surface of the NCM after corona treatment, preparing ternary mixed slurry, namely, mixing the aminated nickel cobalt lithium manganate (NCM) with alumina and graphene powder. USE - Method for preparing ternary mixed slurry material used in high safety lithium battery (claimed). ADVANTAGE - The ternary mixed slurry improves the stability of ternary anode material, improves the stability of the lithium battery, improves the ion transmission rate, improves the cycle performance and multiplying power performance of the lithium battery, and also improves the safety of the lithium battery in the using process. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for following: (1) a ternary mixed slurry, which comprises aminated NCM, alumina and graphene powder; (2) a method for preparing high safety lithium battery, which involves preparing the anode pole piece, coating the ternary mixed slurry on the aluminum foil for drying, rolling, slitting, preparing cathode pole piece, coating the cathode material on the copper foil for drying, rolling, slitting, assembling the high safety lithium battery, winding the anode polepiece, the cathode pole piece and the diaphragm together, hot pressing, aluminium-plastic film packaging, after drying, injecting electrolyte, aging the assembled high safety lithium battery, pre-charging, secondary packaging and aging; and (3) a high safety lithium battery, which comprises anode material of the high safety lithium battery is ternary mixed slurry.