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Densified edge seals for fuel cell components

Patent ·
OSTI ID:864445
; ;
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.
Research Organization:
United Technologies Corporation, Hartford, CT (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC03-77ET11302
Assignee:
United Technologies Corporation (Hartford, CT)
Patent Number(s):
4,365,008
Application Number:
06/287464
OSTI ID:
864445
Country of Publication:
United States
Language:
English

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Related Subjects

/429/428/
cell
cell component
cell components
component
components
composition
compressing
densified
densified edge
edge
edge seal
edge seals
edges
electrode
electrode substrate
electrolyte
fabrication
fabrication process
forms
fuel
fuel cell
gas
gas seal
improved
improved gas
increased
material
operation
porous
porous fuel
process
seal
seals
soaked
substrate
thickness