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:
Apr. 05, 2016

Filed:

Dec. 11, 2013
Applicant:

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

Inventors:

Sumihito Ishida, Yongin-si, KR;

Jung-Woo An, Yongin-si, KR;

Young-Kee Kim, Yongin-si, KR;

Jin-Man Jeoung, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 4/36 (2006.01); C01F 7/00 (2006.01); C01G 53/04 (2006.01); H01M 2/16 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/583 (2010.01); H01M 10/052 (2010.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/485 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/36 (2013.01); C01F 7/002 (2013.01); C01G 53/04 (2013.01); H01M 2/16 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/583 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); H01M 4/0471 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01);
Abstract

A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material.


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