Patent ID: 11942628
Assignee: HANSOL CHEMICAL CO.,LTD
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 8:
9. The negative electrode active material for lithium secondary batteries of claim 1, wherein the amorphous carbon is obtained from a carbon precursor containing at least one selected from the group consisting of sucrose, phenol resins, naphthalene resins, polyvinyl alcohol resins, furfuryl alcohol resins, polyacrylonitrile resins, polyamide resins, furan resins, cellulose resins, styrene resins, polyimide resins, epoxy resin, vinyl chloride resins, coal-based pitches, petroleum-based pitches, a mesophase pitch, polyvinyl chloride, mesophase pitches, tar, block copolymer, polyol and low molecular weight heavy oil, a heavy oil, or a combination thereof.