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:
May. 19, 2026
Filed:
Apr. 20, 2023
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
University-industry Cooperation Group of Kyung Hee University, Yongin, KR;
Chang Hoon Song, Seoul, KR;
Yoon Sung Lee, Suwon, KR;
Sung Ho Ban, Hwaseong, KR;
Sang Hun Lee, Paju, KR;
Yong Hoon Kim, Daejeon, KR;
Ko Eun Kim, Cheongju, KR;
Da Bin Jang, Gwangju, KR;
Ha Eun Lee, Incheon, KR;
Hui Beom Nam, Hwaseong, KR;
Jun Ki Rhee, Suwon, KR;
Seung Min Oh, Incheon, KR;
Sung Min Park, Hanam, KR;
Hyo Bin Lee, Jeollanam-do, KR;
Tae Hee Kim, Yongin, KR;
Min Sik Park, Suwon, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
University-Industry Cooperation Group of Kyung Hee University, Gyeonggi-do, KR;
Abstract
Disclosed are a positive electrode additive material for a lithium secondary battery having an enhancement in atmospheric stability, a method for preparing the same, and a positive electrode for a lithium secondary battery including the same. The positive electrode material includes an core including a lithium component, and a coating layer formed on a surface of the core and including a compound having a formula of LiM'Owherein M′ is Ta or Nb.