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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 11322736 B1

PDFFull Text
Date of Patent:
May. 03, 2022

Filed:

Jun. 08, 2018

Negative electrode, secondary battery including the same, and method of preparing the negative electrode

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jun Hyuk Song, Daejeon, KR;

Oh Byong Chae, Daejeon, KR;

Eun Kyung Kim, Daejeon, KR;

Sang Wook Woo, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP.

Primary Examiner:

Amanda J Barrow

Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/04 (2006.01); H01M 10/052 (2010.01); H01M 4/38 (2006.01); H01M 4/1393 (2010.01); H01M 4/1391 (2010.01); H01M 4/62 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/0426 (2013.01); H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/1391 (2013.01); H01M 4/1393 (2013.01); H01M 4/1395 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 4/62 (2013.01); H01M 10/052 (2013.01); H01M 4/483 (2013.01); H01M 4/58 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

TA negative electrode, a secondary battery including the same, and a method of preparing the negative electrode are provided. The negative electrode, which includes a current collector; a negative electrode active material layer disposed on the current collector; a first layer disposed on the negative electrode active material layer and including Li; and a second layer disposed on the first layer and including an inorganic material is provided. A loading amount of the first layer may satisfy Equation 1:0.65×()<loading amount of the first layer<0.95×().  [Equation 1]

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