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:
Nov. 12, 2024

Filed:

Sep. 13, 2022
Applicant:

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

Inventors:

Tae Il Kim, Daejeon, KR;

Jin Go Kim, Daejeon, KR;

Seung Noh Lee, Daejeon, KR;

Assignee:

SK ON CO., LTD., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/105 (2021.01); H01M 50/10 (2021.01); H01M 50/119 (2021.01); H01M 50/183 (2021.01); H01M 50/184 (2021.01);
U.S. Cl.
CPC ...
H01M 50/105 (2021.01); H01M 50/10 (2021.01); H01M 50/119 (2021.01); H01M 50/183 (2021.01); H01M 50/184 (2021.01);
Abstract

An embodiment of the present invention relates to a pouch-type secondary battery. According to embodiment of the present invention, the pouch-type secondary battery includes: an case configured to house an electrode assembly from which electrode tab are drawn out; sealing parts formed by adhering the case along outer peripheries of the electrode assembly; and folding parts formed by folding the sealing parts of surfaces on which the electrode tab drawn to an outside of the case is not formed, wherein a length of the folding part has a relationship with a thickness of the electrode assembly as the following equation: H≤T/2 (wherein, H is the height of the folded folding part, T is the thickness of the electrode assembly, based on a cross-section perpendicular to a direction in which the electrode tabs of the electrode assembly are drawn out).


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