Patent · US Active

Fuel cell separator and method of manufacturing the same

US7494738B2 · kind B2 · utility

2Cited by
0References
17Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 12, 2006
Grant dateFeb 24, 2009
Priority date
Expiry dateJul 12, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method of manufacturing a fuel cell separator, includes the steps of: preparing a first sheet, which is formed with a main material containing, therein, expanded graphite material and binder, and a second sheet configured to face at least one of surfaces which are formed at an outer edge portion of the first sheet and; arranging the second sheet to contact with the at least one of surfaces which are formed at the outer edge portion of the first sheet; and forming a passage on the first sheet at the same time as pressure-bonding the first sheet and the second sheet by a pressurizing means.

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