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.

Date of Patent:
Jan. 07, 2020

Filed:

Jan. 04, 2017
Applicants:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

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

Seoul National University R&db Foundation, Seoul, KR;

Inventors:

Kanghee Lee, Suwon-si, KR;

Byoungsun Lee, Seoul, KR;

Woongryeol Yu, Seoul, KR;

Sungsoo Han, Hwaseong-si, KR;

Hosung Yang, Busan, KR;

Jihyun Yoon, Anyang-si, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); C01B 32/15 (2017.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/362 (2013.01); C01B 32/15 (2017.08); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 2004/027 (2013.01);
Abstract

A composite electrode active material includes: a carbon nanostructure shell; a first core material disposed in a first pore channel of the carbon nanostructure shell; and a second core material disposed in a second pore channel of the carbon nanostructure shell, wherein the first core material includes a first electrode active material and the second core material includes a second electrode active material, and wherein the first electrode active material has a Li+/Li charge/discharge voltage potential which is different from a Li+/Li charge/discharge voltage potential of the second electrode active material.


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