Hot compression process for making edge seals for fuel cells

Patent · 01 January 1994

OSTI ID:869488

Dunyak, Thomas J ^[1]

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1. Blacksburg, VA

A hot compression process for forming integral edge seals in anode and cade assemblies wherein the assemblies are made to a nominal size larger than a finished size, beads of AFLAS are applied to a band adjacent the peripheral margins on both sides of the assemblies, the assemblies are placed in a hot press and compressed for about five minutes with a force sufficient to permeate the peripheral margins with the AFLAS, cooled and cut to finished size.

• Research Organization: WESTINGHOUSE ELECTRIC CORP
• DOE Contract Number: AC21-82MC24222
• Assignee: United States of America as represented by Department of Energy (Washington, DC)
• Patent Number(s): US 5346661
• OSTI ID: 869488
• Country of Publication: United States
• Language: English

Related Subjects

/264/156/
adjacent
aflas
anode
applied
assemblies
band
beads
cade
cells
compressed
compression
compression process
cooled
cut
edge
edge seal
edge seals
finished
five
force
force sufficient
forming
fuel
fuel cell
fuel cells
hot
hot compression
hot press
integral
integral edge
larger
margins
minutes
nominal
peripheral
permeate
placed
press
process
seals
size
sufficient