Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Densified edge seals for fuel cell components

Patent ·
OSTI ID:7008507
A porous fuel cell component, such as an electrode substrate, has a densified edge which forms an improved gas seal during operation when soaked with electrolyte. The edges are made from the same composition as the rest of the component and are made by compressing an increased thickness of this material along the edges during the fabrication process. 5 figs.
Assignee:
United Technologies Corp., Hartford, CT (United States)
Patent Number(s):
US 4365008; A
Application Number:
PPN: US 6-287464
OSTI ID:
7008507
Country of Publication:
United States
Language:
English