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Method of forming densified edge seals for fuel cell components

Patent ·
OSTI ID:6074187
; ;
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.
Assignee:
United Technologies Corp
Patent Number(s):
US 4269642
OSTI ID:
6074187
Country of Publication:
United States
Language:
English

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Related Subjects

30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
CARBON FIBERS
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELECTRODES
FABRICATION
FIBERS
FUEL CELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
POROSITY
RESINS
SEALS