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.:
Date of Patent:
Jul. 09, 2024
Filed:
Jan. 10, 2023
Applicant:
SK on Co., Ltd., Seoul, KR;
Inventors:
Assignee:
SK ON CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/211 (2021.01); H01M 50/30 (2021.01); H01M 50/375 (2021.01);
U.S. Cl.
CPC ...
H01M 50/394 (2021.01); H01M 50/211 (2021.01); H01M 50/375 (2021.01);
Abstract
The present disclosure relates to a battery module including: a battery cell stack in which a plurality of battery cells are stacked; and a pressure drop sheet on one side of the battery cell stack, in which the pressure drop sheet includes: a ventilation layer including ceramic fiber; and a sacrificial layer on at least one face of the ventilation layer, the sacrificial layer is disposed in a direction facing the battery cell stack, and the pressure drop sheet exhibits gas permeability at a critical temperature.