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.

Date of Patent:
Feb. 13, 2018

Filed:

May. 08, 2013
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-Do, KR;

Inventors:

Young-Ki Kim, Yongin-si, KR;

Young-Hun Lee, Yongin-si, KR;

Na-Leum Yoo, Yongin-si, KR;

Na-Ri Park, Yongin-si, KR;

Soon-Rewl Lee, Yongin-si, KR;

Hong-Kyu Choi, Yongin-si, KR;

Yong-Chul Park, Yongin-si, KR;

Ick-Kyu Choi, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/131 (2010.01); H01M 4/62 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/131 (2013.01); H01M 4/62 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01);
Abstract

In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained battery may have excellent battery capacity and cycle-life characteristics and also have high power.


Find Patent Forward Citations

Loading…