Patent · US Active

Separator for a battery cell and battery cell providing such a separator

US11431060B2 · kind B2 · utility

0Cited by

2References

8Claims

0Family size

Assignees

Robert Bosch GmbH · DE
GS Yuasa International Ltd. · JP

Inventors

Matthias Schroeder · Badendorf, DE
Calin Iulius Wurm · Meitingen, DE
Martin HILLER · Erfurt, DE
Franz FUCHS · Munich, DE

Key dates

Filing date	Nov 6, 2017
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Feb 18, 2038

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 arrangement (20) for an electrochemical battery cell (10) comprising an ionically conductive and electrically insulating separator layer (22), characterized in that the separator arrangement (20) further comprises a reduction layer (24) comprising a reductant, wherein the reduction layer (24) has a specific surface area which is in a range of not less than 10 m2/g, preferably of not less than 100 m2/g, for example of not less than 1000 m2/g, and wherein the reduction layer (24) is porous and has an open porosity in a range from not less than 10% to not more than 90%, preferably from not less than 30% to not more than 70%.

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