Separator für Lithiumsekundärbatterie und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP3614456

Aktenzeichen

EP19192620

Anmeldetag

20. August 2019

Veröffentlichung

7. Juli 2021

Erteilung

7. Juli 2021

Rechtsraum

EP

IPC

H01M50/40H01M50/409H01M10/0525

Abstract

Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator for a lithium secondary battery includes: a porous substrate; and a coating layer disposed on one side or both sides of the porous substrate and including a first inorganic particle and a second inorganic particle having different lengths of a major axis, and a binder, wherein a moisture content is less than 800 ppm after being left for 12 hours at a temperature of 40 °C and relative humidity of 90%.

Anmelder

Firmen

SK Innovation Co., Ltd.
SK IE Technology Co., Ltd.

Land

🇰🇷 Südkorea

Fachgebiete