SEPARATOR, LITHIUM BATTERY EMPLOYING SAME, AND METHOD FOR MANUFACTURING SEPARATOR

Title:

SEPARATOR, LITHIUM BATTERY EMPLOYING SAME, AND METHOD FOR MANUFACTURING SEPARATOR

Document Type and Number:

WIPO Patent Application WO/2019/009564

Kind Code:

A1

Abstract:

Disclosed is a separator comprising a substrate and a coating layer arranged on at least one surface of the substrate, wherein the coating layer comprises inorganic particles and a first binder, and the ratio of the average diameter (D50) of the first binder to the average diameter (D50) of the inorganic particles is 1.5:1 to 2.5:1. When using the separator, adhesion to an electrode is improved, thereby enabling lifespan of a battery to improve while battery safety improves.

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Inventors:

KIM GA IN (KR)
KIM YONG KYOUNG (KR)
KIM JIN WOO (KR)
KIM HYUNG BAE (KR)

Application Number:

PCT/KR2018/007298

Publication Date:

January 10, 2019

Filing Date:

June 27, 2018

Export Citation:

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Assignee:

SAMSUNG SDI CO LTD (KR)

International Classes:

H01M10/052; H01M50/403; H01M50/451; H01M50/457; H01M50/489

Foreign References:

KR101298340B1	2013-08-20
JP2011138780A	2011-07-14
KR20130126445A	2013-11-20
KR20160048697A	2016-05-04
KR20160013608A	2016-02-05

Attorney, Agent or Firm:

Y.P.LEE, MOCK & PARTNERS (KR)

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