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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 9806329 B1

PDFFull Text
Date of Patent:
Oct. 31, 2017

Filed:

Mar. 09, 2016

Negative electrode for rechargeable lithium battery, method of manufacturing same, and rechargeable lithium battery including same

Applicant:

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

Inventors:

Young-Jin Choi, Yongin-si, KR;

Yong-Chan You, Yongin-si, KR;

Sang-Hyuck Ahn, Yongin-si, KR;

Su-Kyung Lee, Yongin-si, KR;

Deok-Hyun Kim, Yongin-si, KR;

Xianhui Meng, Yongin-si, KR;

Sang-Pil Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Gyeonggi-do, KR;

Attorney:

Knobbe Martens Olson & Bear LLP

Primary Examiner:

Stewart Fraser

Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/1393 (2010.01); H01M 4/1395 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/133 (2013.01); H01M 4/0404 (2013.01); H01M 4/134 (2013.01); H01M 4/1393 (2013.01); H01M 4/1395 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 4/621 (2013.01); H01M 10/052 (2013.01);
Abstract

Disclosed are a negative electrode for a rechargeable lithium battery that includes a plurality of non-sheet-shaped graphite particles, at least one silicon-based particle in a void formed by assembling the non-sheet-shaped graphite particles, and a sheet-shaped graphite powder between the non-sheet-shaped graphite particles, the void, or both thereof, wherein a size of the silicon particle is smaller than a length of the longest axis of the sheet-shaped graphite powder.

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