logo

For the Inventor, By the Inventor

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 12640440 B1

PDFFull Text
Date of Patent:
May. 26, 2026

Filed:

Jan. 09, 2023

Battery cell and battery module including the same

Applicant:

SK on Co., Ltd., Seoul, KR;

Inventors:

Chang Mook Hwang, Daejeon, KR;

Jong Hyeok Lee, Daejeon, KR;

Yoon Ji Jo, Daejeon, KR;

Assignee:

SK On Co., Ltd., Seoul, KR;

Attorney:

The Webb Law Firm

Primary Examiner:

Gregg Cantelmo

Int. Cl.
CPC ...
H01M 50/474 (2021.01); H01M 10/04 (2006.01); H01M 10/0585 (2010.01); H01M 10/647 (2014.01); H01M 10/6555 (2014.01); H01M 50/103 (2021.01); H01M 50/105 (2021.01); H01M 50/178 (2021.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/291 (2021.01); H01M 50/293 (2021.01); H01M 50/477 (2021.01); H01M 50/483 (2021.01); H01M 50/486 (2021.01);
U.S. Cl.
CPC ...
H01M 50/474 (2021.01); H01M 10/0413 (2013.01); H01M 10/0436 (2013.01); H01M 10/0463 (2013.01); H01M 10/0468 (2013.01); H01M 10/0481 (2013.01); H01M 10/0486 (2013.01); H01M 10/0585 (2013.01); H01M 10/647 (2015.04); H01M 10/6555 (2015.04); H01M 50/103 (2021.01); H01M 50/105 (2021.01); H01M 50/178 (2021.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/291 (2021.01); H01M 50/293 (2021.01); H01M 50/477 (2021.01); H01M 50/483 (2021.01); H01M 50/486 (2021.01);
Abstract

A battery cell includes a casing provided with an accommodation space; and an electrode assembly accommodated in the accommodation space and contacting the casing. The electrode assembly may include a negative electrode including a first current collector and a negative electrode mixture applied to the first current collector; a positive electrode including a second current collector and a positive electrode mixture applied to the second current collector; a separator interposed between the positive electrode and the negative electrode; and a guide member accommodating at least one of the negative electrode and the positive electrode and pressurized or stretched by at least one of the negative electrode and the positive electrode to contract or expand.

Find Patent Forward Citations

Loading…