Patent · US Active

Separator comprising a porous layer and method for producing said separator

US9997755B2 · kind B2 · utility

3Cited by

4References

20Claims

0Family size

Inventors

Klaus Goetzen · Vettweiß, DE
Axel Niemoeller · Meißen, DE
Manfred Schaefer · Cologne, DE

Key dates

Filing date	Jan 21, 2013
Grant date	Jun 12, 2018
Priority date	—
Expiry date	May 11, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention relates to a separator for an electrochemical cell, preferably a lithium ion battery, comprising a porous layer which comprises at least one block copolymer having three or more polymer blocks and at least one aluminum oxide or hydroxide, a lithium ion battery comprising such a separator, and a method for producing such a separator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.