Patent · US Active

Electrolyte for cost-effective, electrolyte-supported high-temperature fuel cell having high performance and high mechanical strength

US9136553B2 · kind B2 · utility

0Cited by

8References

12Claims

0Family size

Assignee

Sunfire GmbH · DE

Inventors

Ralph Otterstedt · Goslar, DE
Joerg Laube · Laufenbürg, DE
Marianne Gottschling · Goslar, DE
Michael Svec · Schönwald, DE

Key dates

Filing date	Jan 20, 2009
Grant date	Sep 15, 2015
Priority date	—
Expiry date	Oct 1, 2031

Classification

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

Abstract

Electrolyte for an electrolyte-supported high-temperature fuel cell includes zirconium(IV) oxide doped with from 3.5 mol % to 6.5 mol % of ytterbium(III) oxide. The electrolyte has a thermal expansion coefficient (TEC) based on 30° C. of from 10.6*10−6 K−1 to 11.1*10−6 K−1 at 800° C.

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