/Composite Separator And Lithium Battery
Abstract

A composite separator is provided. The composite separator includes a first separator and a second separator disposed in sequence, the first separator is a nonwoven separator or a cellulose separator, and the second separator is a fiberglass separator; and a porosity of the first separator is not higher than a porosity of the second separator.

Full Text

What is claimed is:

A composite separator is provided. The composite separator includes a first separator and a second separator disposed in sequence, the first separator is a nonwoven separator or a cellulose separator, and the second separator is a fiberglass separator; and a porosity of the first separator is not higher than a porosity of the second separator.
Timeline
Filed
04/20/2026
Published
08/27/2026
Granted
Not Available
IPC Codes(7)
H01M 50/491:Porosity
H01M 10/052:Li-accumulators
H01M 50/414:Synthetic resins, e.g. .thermoplastics or thermosetting resins