Separator For Electrochemical Device, And Electrochemical Device

Separator For Electrochemical Device, And Electrochemical Device Comprising Same

Abstract: The present invention relates to a separator for an electrochemical device, and an electrochemical device comprising same, the separator comprising: a first organic/inorganic composite porous layer positioned on one surface of a porous polymer substrate, and comprising first inorganic particles and a first binder polymer; and a second organic/inorganic composite porous layer positioned on the other surface of the porous polymer substrate, and comprising the first inorganic particles, second inorganic particles and a second binder polymer, wherein the average diameter of the first inorganic particles is 1-100 nm, and the average diameter of the second inorganic particles is larger than the average diameter of the first inorganic particles. The separator for an electrochemical device, according to the present invention, enables the improvement of high-temperature safety and assembly processability.

Patent Information

Application #

Filing Date

21 December 2023

Publication Number

40/2024

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

LG ENERGY SOLUTION, LTD.

Tower1, 108, Yeoui-daero, Yeongdeungpo-Gu, Seoul 07335

Inventors

1. KIM, Soo-Jung

LG Chem Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

2. RYU, Duk-Hyun

LG Chem Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

#	Name	Date
1	202317087477-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [21-12-2023(online)].pdf	2023-12-21
2	202317087477-STATEMENT OF UNDERTAKING (FORM 3) [21-12-2023(online)].pdf	2023-12-21
3	202317087477-PROOF OF RIGHT [21-12-2023(online)].pdf	2023-12-21
4	202317087477-PRIORITY DOCUMENTS [21-12-2023(online)].pdf	2023-12-21
5	202317087477-POWER OF AUTHORITY [21-12-2023(online)].pdf	2023-12-21
6	202317087477-FORM 1 [21-12-2023(online)].pdf	2023-12-21
7	202317087477-FIGURE OF ABSTRACT [21-12-2023(online)].pdf	2023-12-21
8	202317087477-DRAWINGS [21-12-2023(online)].pdf	2023-12-21
9	202317087477-DECLARATION OF INVENTORSHIP (FORM 5) [21-12-2023(online)].pdf	2023-12-21
10	202317087477-COMPLETE SPECIFICATION [21-12-2023(online)].pdf	2023-12-21
11	202317087477-FORM 3 [21-05-2024(online)].pdf	2024-05-21
12	202317087477-FORM 18 [12-12-2024(online)].pdf	2024-12-12