The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2026
Filed:
Dec. 15, 2020
Posco Holdings Inc., Seoul, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Posco Future M Co., Ltd., Pohang-si, KR;
Gang Ho Lee, Pohang-si, KR;
Sei Min Park, Pohang-si, KR;
Jung-Chul An, Pohang-si, KR;
Jong Hoon Yoon, Pohang-si, KR;
Hyun-Chul Jo, Pohang-si, KR;
POSCO Holdings Inc., Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
POSCO FUTURE CO., LTD., Pohang-si, KR;
Abstract
The present disclosure relates to a method of manufacturing an anode active material for a lithium secondary battery, the method including: mixing earth graphite and pitch coke with each other; preparing a raw material by adding and mixing a binder to the mixture; performing heat treatment on the raw material; graphitizing the heat-treated mixture to obtain a core part; immersing the core part in a hard carbon coating solution; and drying the coating solution in which the core part is immersed to obtain an anode active material.