Patent · US Expired

Fuel cell and sealing parts therefore

US5789094A · kind A · utility

21Cited by
4References
3Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 9, 1996
Grant dateAug 4, 1998
Priority date
Expiry dateDec 9, 2016

Classification

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

Abstract

A bipolar plate is designed to provide a gas seal 16 around an electrode and gas seals 17a around fuel gas manifolds on the same plane and to separate the gas seal 16 and gas seals 17a around oxidant gas manifolds 4, 6 with hollowed parts on an anode electrode 25 side, and to provide the gas seal 16 and the gas seals 17b on a same plane and to separate the gas seal 16 and the gas seals 17a with hollowed parts on a cathode electrode 20 side. Also disclosed are sealing parts for the fuel side and the oxidant side of the fuel cell.

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