Patent ID: 7049021
Filing Date: 2006-05-23
Classification: B29C,B29K,H01M,Y02E,Y02P

Abstract:
1. A conductive composition for a polymer electrolyte fuel cell separator comprising: 1) a conductive component composed of non-fine graphite particles and fine graphite particles; and 2) a thermoplastic resin and/or a thermosetting resin, 3) the non-fine graphite particles having an average particle diameter D 4) the melt viscosity being 1×10 5) the weight ratio of (the non-fine graphite particles and the fine graphite particles)/(the thermoplastic resin and/or the thermosetting resin) being from 95/5 to 75/25, 6) the fine graphite particles having an average particle diameter 5.5–32.5 μm, and 7) the weight ratio of the non-fine graphite particles to the fine graphite particles being 95/5 to 75/25.