Patent · US Expired

Fuel cell

US7141328B2 · kind B2 · utility

5Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 2002
Grant dateNov 28, 2006
Priority date
Expiry dateSep 27, 2023

Classification

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

Abstract

A fuel cell includes an electrolyte membrane, an anode on one surface of the electrolyte membrane and having an anode catalyst layer that is supplied with fuel and contains a platinum-ruthenium alloy catalyst, and a cathode on the other surface of the electrolyte membrane and having an cathode catalyst layer that is supplied with air and contains a platinum catalyst. The anode catalyst layer and the cathode catalyst layer include divided catalyst segments, and gaps between the divided catalyst segments that are adjacent to each other.

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