Patent ID: 11955671
Assignee: CUMMINS ENTERPRISE LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 11:
12. The solid oxide fuel cell stack of claim 11, wherein the barrier layer comprises a first sublayer comprising a chromium phosphate, an iron phosphate, a silicon phosphate, a manganese phosphate, a titanium phosphate, a nickel phosphate or continations thereof; a second sublayer comprising a barium phosphate, a silicon phosphate, a boron phosphate, a zirconium phosphate, a calcium phosphate, a magnesium phosphate, a yttrium phosphate, a zinc phosphate, or combinations thereof; and a third sublayer disposed between the first sublayer and the second sublayer, and wherein the third sublayer comprises alumina and an aluminum-containing phosphate.