• 专利标题:   Low temperature lithium ion battery comprises battery case and battery core, battery core, isolation film set between positive plate and negative plate and electrolyte, cathode active material of cathode coating of graphite or amorphous carbon coated graphite.
  • 专利号:   CN114361568-A
  • 发明人:   WANG H, LIU J, LAI Y, TAN D, ZHOU J, SUI Z
  • 专利权人:   UNIV YANTAI
  • 国际专利分类:   H01M010/0525, H01M010/0564, H01M010/0569
  • 专利详细信息:   CN114361568-A 15 Apr 2022 H01M-010/0525 202257 Chinese
  • 申请详细信息:   CN114361568-A CN10011301 06 Jan 2022
  • 优先权号:   CN10011301

▎ 摘  要

NOVELTY - Low temperature lithium ion battery comprises a battery case and battery core, the battery core comprises a positive plate, a negative plate, an isolation film set between the positive plate and the negative plate and electrolyte, the anode plate comprises porous aluminium sheet, the porous surface the sheet is provided with a positive coating, the positive active material of the positive coating comprises lithium ferrous phosphate, the negative plate comprises porous copper sheet, the surface porous is provided with a cathode coating, the cathode active material of the cathode coating is graphite or amorphous carbon coated graphite, the amorphous carbon comprises soft carbon, hard carbon or graphene the electrolyte comprises lithium salt, solvent and additive and the solvent comprises ethylene carbonate, methyl ethyl carbonate, dimethyl carbonate, ethyl acetate, propylene carbonate, polycarbonate and propyl propionate. USE - Used as low temperature lithium ion battery. ADVANTAGE - The lithium ion battery improves the solvent component, improves the low temperature performance of the lithium ion battery, and ensures the lithium ion battery to work normally under low temperature environment. DESCRIPTION OF DRAWING(S) - The drawing shows a structure schematic diagram of the low-temperature lithium ion battery.