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:
Apr. 28, 2026
Filed:
Oct. 02, 2019
Posco Holdings Inc., Seoul, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Posco Future M Co., Ltd., Pohang-si, KR;
Junghoon Kim, Incheon, KR;
Chang Joo Han, Seongnam-si, KR;
Young Sang Kim, Incheon, KR;
Sang Cheol Nam, Seoul, KR;
Geun Hwangbo, Incheon, KR;
POSCO Holdings Inc., Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
POSCO FUTURE M CO., LTD., Pohang-si, KR;
Abstract
It is related to a positive electrode active material for lithium secondary battery, and to a lithium secondary battery containing the same. To improve the battery characteristics of high-capacity positive electrode materials by simultaneously doping tungsten (W) element, which has an excellent effect on electrical conductivity, and boron (B) element, which is positioned on the surface to suppress the negative reaction of residual lithium and electrolyte solution.