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:
Jan. 28, 2025
Filed:
Jun. 19, 2019
Lg Chem, Ltd., Seoul, KR;
Hyeon Hui Baek, Daejeon, KR;
Sung Ho Ban, Daejeon, KR;
Jun Ho Eom, Daejeon, KR;
Chae Jin Lim, Daejeon, KR;
Sang Jo Lee, Daejeon, KR;
Na Ri Park, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Provided is a lithium secondary battery which includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode includes a lithium composite transition metal oxide powder having a layered structure and a nickel content accounting for 85 atm % or more of total transition metals, and wherein the lithium composite transition metal oxide powder undergoes a 3% or less change in lithium-oxygen (Li—O) interlayer spacing in a state-of-charge (SOC) range of 58% to 72%.