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Product Korea. K.

PATENT ASSIGNEE'S COUNTRY Korea
UPDATE 08.99
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Mfg method
- Waterproofing C paper to give electrode support
- Prepg an electrocatalyst slurry
- Coating the slurry on support in uniform thickness
- Drying electrocatalyst layer at 200-250C in inert atm to form
structure having dried electrocatalyst layer adhered to
support
- Passing structure through rolling apparatus
- Sintering for 10-50 min in inert atm. at 330-370C
Said electrocatalyst slurry prepd by mixing Pt-dispersed C powder in a solvent; adding PTFE in form of an emulsion to mixt., ultrasonically stirring mixt & then mechanically stirring mixt after adding peptization agent & bridge-builder thereto
PATENT PHOTOCOPY Available on request

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