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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 10586976 B1

PDFFull Text
Date of Patent:
Mar. 10, 2020

Filed:

Apr. 22, 2015

Negative electrode active material and lithium secondary battery comprising same

Applicant:

Nexeon Ltd, Oxfordshire, GB;

Inventors:

Young Tai Cho, Seoul, KR;

Seung Chul Park, Daejeon, KR;

Seon Park, Daejeon, KR;

Hee Young Seo, Daejeon, KR;

Jee Hye Park, Daejeon, KR;

Yong Eui Lee, Gyeonggi-do, KR;

Chul Hwan Kim, Daejeon, KR;

Assignee:

Nexeon Ltd, Oxfordshire, GB;

Attorneys:

William R. Haulbrook

Michael D. Schmitt

Coate, Hall & Stewart LLP

Primary Examiner:

Robert S Jones

Assistant Examiner:

Victoria H Lynch

Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/366 (2013.01); H01M 4/38 (2013.01); H01M 4/386 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 4/625 (2013.01); H01M 4/626 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01);
Abstract

Provided is a negative active material and a lithium secondary battery including the negative active material. The negative active material for a secondary battery includes silicon particles, wherein circularities of the particles are determined by equation 1 below, and the circularities are 0.5 or greater and 0.9 or less,Circularity=2()  [Equation 1]

Find Patent Forward Citations

Cho, Young. (2020). Negative electrode active material and lithium secondary battery comprising same (U.S. Patent No. 10586976). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10586976

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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