Patent · US Active

Fuel cell device and systems enabling cell-level repair

US11462749B2 · kind B2 · utility

0Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2019
Grant dateOct 4, 2022
Priority date
Expiry dateJul 12, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/84
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A unit cell for a fuel cell stack including an anode catalyst layer separated by a polymer electrolyte membrane from a cathode catalyst layer, a first cell end plate separated by a first gas diffusion layer from the anode catalyst layer, and a second cell end plate separated by a second gas diffusion layer from the cathode catalyst layer, wherein the first cell end plate, the second cell end plate, or both include a matrix of electrically-conducting protrusions thereof.

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