Patent · US Active

Sodium-oxygen cells

US9379421B2 · kind B2 · utility

5Cited by

2References

18Claims

0Family size

Assignee

BASF SE

Inventors

Arnd Garsuch · Ludwigshafen, DE
Anna Katharina Duerr · Ludwigshafen, DE
Juergen Janek · Gießen, DE
Philipp Adelhelm · Gießen, DE
Pascal Hartmann · Ludwigshafen, DE

Key dates

Filing date	Mar 20, 2013
Grant date	Jun 28, 2016
Priority date	—
Expiry date	Mar 25, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention relates to sodium oxygen cells comprising (A) at least one anode comprising sodium, (B) at least one gas diffusion electrode comprising at least one porous support, and (C) a liquid electrolyte comprising at least one aprotic glycol diether with a molecular weight Mn of not more than 350 g/mol. The present invention further relates to the use of the invention sodium oxygen cells and to a process for preparing sodium supperoxide of formula NaO2.

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