Patent · US Expired

Fuel cells

US6794075B2 · kind B2 · utility

15Cited by
2References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 19, 2001
Grant dateSep 21, 2004
Priority date
Expiry dateApr 4, 2023

Classification

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

Abstract

A solid oxide fuel cell, comprising: a ferritic stainless steel substrate including a porous region and a non-porous region bounding the porous region; a ferritic stainless steel bi-polar plate located under one surface of the porous region of the substrate and being sealingly attached to the non-porous region of the substrate about the porous region thereof, a first electrode layer located over the other surface of the porous region of the substrate; an electrolyte layer located over the first electrode layer; and a second electrode layer located over the electrolyte layers.

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