Patent · US Active

Separator for electrochemical energy accumulators and converters

US12351667B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Michael Roth
Iain Smith · Swindon, GB
Christian Waschinski · Glückstadt, DE
Sandra Falusi · Mannheim, DE
Marco Sutter · Weinheim, DE

Key dates

Filing date	Dec 6, 2019
Grant date	Jul 8, 2025
Priority date	—
Expiry date	Aug 11, 2042

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A separator for at least one of electrochemical energy accumulators or converters includes: a porous substrate with a comb polymer, the comb polymer containing a polymer main chain along several lateral chains that are covalently bonded to the polymer main chain. At least one of the lateral chains has at least one Lewis-acid or Lewis-base functionality.

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