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:
Mar. 04, 2025
Filed:
Jan. 07, 2022
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Sangbok Ma, Suwon-si, KR;
Joonhee Kim, Seoul, KR;
Jonghoon Ka, Suwon-si, KR;
Sungjin Lim, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); C01B 25/45 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/5825 (2013.01); C01B 25/45 (2013.01); H01M 4/0471 (2013.01); H01M 4/366 (2013.01); H01M 4/625 (2013.01); C01P 2002/50 (2013.01); C01P 2002/72 (2013.01); C01P 2002/77 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract
A composite cathode active material represented by Li(CoM1)PO(Formula 1) having an olivine structure, wherein a unit-cell volume of the composite cathode active material is in a range of about 283 Åto about 284.6 Å. A cathode including the composite cathode active material, and a secondary battery including the composite cathode active material are also disclosed. In Formula 1, M1 includes i) at least one of Sc, Ti, V, Cr, Cu, or Zn, and optionally at least one of Fe or Ni, and 0.9≤x≤1.1, 0.9≤y≤1.1, and 0<w≤0.3.