Membranes containing inorganic fillers and membrane and electrode assemblies and electrochemical cells employing same
First Claim
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1. A fuel cell for operation with a direct feed organic fuel, said fuel cell comprising an anode compartment containing an anode, a cathode compartment containing a cathode and a membrane serving as a separator and electrolyte between said anode and cathode compartment, and said membrane comprising a polymer having cation exchange groups and having inorganic filler dispersed therein.
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Abstract
Cation exchange membranes, made from polymer having cation exchange groups and containing inorganic filler, exhibit reduced fuel crossover for fuel cells employing direct feed organic fuels such as methanol and, when inorganic proton conductor is employed, enhanced proton conductivity.
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8 Claims
- 1. A fuel cell for operation with a direct feed organic fuel, said fuel cell comprising an anode compartment containing an anode, a cathode compartment containing a cathode and a membrane serving as a separator and electrolyte between said anode and cathode compartment, and said membrane comprising a polymer having cation exchange groups and having inorganic filler dispersed therein.
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