Polymer electrolyte membrane fuel cell separator plate composition
OwnerJeremy Chervinko, Qinbai Fan +2inventors
InventorsJeremy Chervinko, Qinbai Fan, Michael Onischak, Leonard G. Marianowski
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Abstract
A bipolar separator plate suitable for use in polymer electrolyte membrane fuel cell stacks, which plate is made a composition having in a range of 1 to 4 different graphite components and at least one resin, wherein at least one of the graphite components has graphite particles having a mean diameter in a range of about 10 microns to about 50 microns.
Claims15
In a polymer electrolyte membrane fuel cell stack comprising a plurality of fuel cell units comprising an anode electrode, a cathode electrode and a polymer electrolyte membrane disposed between the anode electrode and the cathode electrode, and a bipolar separator plate disposed between the anode electrode of one of the fuel cell units and the cathode electrode of an adjacent fuel cell unit, the improvement comprising:
- said bipolar separator plate comprising a composition comprising in a range of 1 to 4 different graphite components and at least one resin, at least one of the graphite components comprising graphite particles having a mean diameter in a range of about 10 microns to about 50 microns.
A fuel cell stack comprising:
- at least one bipolar separator plate comprising a composition comprising in a range of 1 to 4 different graphite components and at least one resin, at least one of the graphite components comprising graphite particles having a mean diameter in a range of about 10 microns to about 50 microns.
Dependencies are inferred from the claim text.