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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.:

US 9397335 B1

PDFFull Text
Date of Patent:
Jul. 19, 2016

Filed:

Oct. 01, 2013

Bimodal type anode active material and lithium secondary battery including the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Ye Ri Kim, Daejeon, KR;

Je Young Kim, Daejeon, KR;

Byung Hun Oh, Daejeon, KR;

Hyun Woong Yun, Daejeon, KR;

Assignee:

LG Chem, Ltd., , KR;

Attorney:

Lerner, David, Littenberg, Krumholz & Mentlik, LLP

Primary Examiner:

Khanh Tuan Nguyen

Int. Cl.
CPC ...
H01M 4/88 (2006.01); H01M 4/485 (2010.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/131 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/485 (2013.01); H01M 4/364 (2013.01); H01M 4/525 (2013.01); H01M 4/131 (2013.01); H01M 4/621 (2013.01); H01M 4/622 (2013.01); H01M 4/624 (2013.01); H01M 2004/021 (2013.01); Y02E 60/122 (2013.01); Y10T 428/2982 (2015.01);
Abstract

Provided is an anode active material including a compound of Chemical Formula 1 below that may realize a high-density electrode and may simultaneously improve adhesion to the electrode and high rate capability, wherein the compound of Chemical Formula 1 includes first primary particles and secondary particles, and a ratio of the first primary particles to the secondary particles is in a range of 5:95 to 50:50:LiMO  [Chemical Formula 1] where M is any one independently selected from the group consisting of titanium (Ti), tin (Sn), copper (Cu), lead (Pb), antimony (Sb), zinc (Zn), iron (Fe), indium (In), aluminum (Al), and zirconium (Zr) or a mixture of two or more thereof; and x, y, and z are determined according to an oxidation number of M.

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Kim, Ye. (2016). Bimodal type anode active material and lithium secondary battery including the same (U.S. Patent No. 9397335). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9397335

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