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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 11043692 B1

PDFFull Text
Date of Patent:
Jun. 22, 2021

Filed:

Jul. 04, 2017

Negative electrode and secondary battery including the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Hye Ri Jung, Daejeon, KR;

Jung Pil Lee, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Ula C Ruddock

Assistant Examiner:

Frank A Chernow

Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/13 (2010.01); H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/587 (2010.01); H01M 4/133 (2010.01); H01M 4/1391 (2010.01); H01M 4/1393 (2010.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 4/02 (2013.01); H01M 4/133 (2013.01); H01M 4/1391 (2013.01); H01M 4/1393 (2013.01); H01M 4/364 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 4/623 (2013.01); H01M 4/661 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/058 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract

Provided are a negative electrode including a current collector, a first active material layer including first active material particles and disposed on the current collector, and a first pattern and a second pattern alternately disposed separately from each other on the first active material layer, wherein the first pattern includes first pattern active material particles, the second pattern includes second pattern active material particles, a thickness of the first pattern is greater than a thickness of the second pattern, and a volume expansion rate of the second pattern is greater than a volume expansion rate of the first pattern, and a secondary battery including the negative electrode.

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