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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