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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 12794081 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

Mar. 05, 2019

Electrode assembly and rechargeable battery including same

Applicant:

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

Inventors:

Hoon Seok, Yongin-si, KR;

Junghyun Nam, Yongin-si, KR;

Heeeun Yoo, Yongin-si, KR;

Yeonhee Yoon, Yongin-si, KR;

Kyuseo Lee, Yongin-si, KR;

Bokkyu Jeon, Yongin-si, KR;

Jaehwan Ha, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Barbara L Gilliam

Assistant Examiner:

Angela J Martin

Int. Cl.
CPC ...
H01M 50/44 (2021.01); H01M 10/05 (2010.01); H01M 10/0525 (2010.01); H01M 50/40 (2021.01); H01M 50/409 (2021.01); H01M 50/411 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); H01M 50/46 (2021.01); H01M 50/48 (2021.01); H01M 50/489 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2013.01); H01M 50/409 (2021.01); H01M 50/411 (2021.01); H01M 50/44 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01);
Abstract

The present invention relates to an electrode assembly and a rechargeable battery including same. The electrode assembly may comprise: a negative electrode, a positive electrode, and a separator interposed between the negative electrode and the positive electrode and including a first surface facing the negative electrode and a second surface facing the positive electrode, a first functional layer positioned on the first surface and including a fibrous polymer and a heat resistant polymer, and a second functional layer positioned on the second surface and including an inorganic particle and an organic particle.

Find Patent Forward Citations

Quick Actions:

Seok, Hoon. (2026). Electrode assembly and rechargeable battery including same (U.S. Patent No. 12794081). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12794081

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