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:
Dec. 02, 2025
Filed:
Jul. 05, 2023
Lg Energy Solution, Ltd., Seoul, KR;
Yeo-Ju Yoon, Daejeon, KR;
Seong-Jun Kim, Daejeon, KR;
Jin-Young Shin, Daejeon, KR;
Ji-Eun Kim, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
Disclosed is a separator for an electrochemical device that includes a polymer substrate with small and uniform pores and an aqueous organic/inorganic composite porous coating layer and an adhesive coating layer and which is improved in compression resistance, and a method of making the separator and the electrochemical device including the separator. The separator with improved compression resistance is not easily deformed by well resisting pressure applied thereto during a lamination process in which an electrode and the separator are applied with heat and pressure so as to be bonded to each other. In addition, when pressure is applied, the coating layer serves as a buffer, thereby reducing the pressing force exerted on the porous substrate. Thus, deformation of the separator is inhibited.