CONDUCTIVE COMPOSITION FOR SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL AND SOLID POLYMER TYPE FUEL CELL SYSTEM USING THE SEPARATOR
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CONDUCTIVE COMPOSITION FOR SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL AND SOLID POLYMER TYPE FUEL CELL SYSTEM USING THE SEPARATOR
CONDUCTIVE COMPOSITION FOR SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL SEPARATOR, SOLID POLYMER TYPE FUEL CELL AND SOLID POLYMER TYPE FUEL CELL SYSTEM USING THE SEPARATOR
1. A conductive composition for a polymer electrolyte fuel cell separator comprising:1) a conductive component composed of graphite particles and optionally fine graphite particles; and2) a thermoplastic resin and/or a thermosetting resin,3) the graphite particles having an average particle diameter D1 of 55 to 65 µm,4) the melt viscosity being 1 x 102 to 5 x 103 Pa·s at 320°C, and5) the weight ratio of (the graphite particles and optionally the fine graphite particles)/(the thermoplastic resin and/or the thermosetting resin) being 95/5 to 75/25.展开▼