Cell frame for a redox flow cell has a dipole plate and a frame attached to the periphery of the dipole plate. The frame >=50 weight% of vinyl chloride, and the dipole plate is a conductive plastic containing 40-90 weight% graphite and 10-60 weight% chlori...

The invention provides a solid polymer fuel cell separator that is molded or formed of a resin composition comprising a thermoplastic resin, a conductive carbon black having a bulk density of at least 0.3 g/ml and a DBP oil absorption of up to 150 ml/100 g...

Fluid distribution device comprises a gas-tight support (12) having a coating (16) of porous material on at least one side (14). Macroscopic flow channels (22) are formed in the coating. Independent claims are also included for the following: (1) fuel cell...

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; and 2) a thermoplastic resin and/or a thermosetting resin, 3) the graphit...

A fuel-cell separator is formed with a mixture composition of a thermoplastic resin and graphite particles and is provided with grooves for moving fluid, and has a gas permeability coefficient in a range of not less than 1x10mol/m.Pa.s and not more than 1x...

A fuel cell separator containing conductive material and epoxy resin is provided. In the fuel cell, the epoxy resin is made of solid epoxy resin whose epoxy equivalent weight is 300-500. Further, according to another fuel cell separator, raw materials cont...

A fuel cell separator composition containing an electrically conductive carbonaceous powder and a binder that is a mixture of a thermoset resin with a polyoxazine compound having a plurality of oxazine rings can be used to efficiently mass-produce high-mod...

Improved expanded graphite fluid flow field plates comprise an expanded graphite material having a desired area weight, abbreviated as A and typically expressed in units of g/cm 2 . The methods for making the plates comprise forming at least one flow chann...

A fuel cell separator having on one side or both sides thereof channels for gas supply and discharge formed from a compound composed mainly of thermosetting resin and graphite particles, characterized in having a flexural modulus equal to or lower than 20 ...