Conducting polymer-grafted carbon material for fuel cell applications
First Claim
1. A composition comprisinga particulate carbonaceous material,a conducting polymer containing a hetero atom, anda metal.wherein the conducting polymer is grafted onto the carbonaceous material.
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Accused Products
Abstract
A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fuel cells. A method for preparing the composition comprises oxidatively polymerizing a monomer of a conducting polymer containing hetero atoms in the presence of a carbonaceous material. The method grafts the conducting polymer to the carbonaceous material. The method can further comprise metallizing the polymer-grafted carbonaceous material.
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Citations
44 Claims
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1. A composition comprising
a particulate carbonaceous material, a conducting polymer containing a hetero atom, and a metal. wherein the conducting polymer is grafted onto the carbonaceous material.
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19. A method for preparing a carbon composition with enhanced electronic conductivity comprising
oxidatively polymerizing a monomer of a conducting polymer containing a hetero atom with particulate carbonaceous material to form a conducting polymer-grafted carbonaceous material, and then metallizing the conducting polymer grafted carbonaceous material.
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36. A fuel cell, battery, or a capacitor device comprising a composition comprising
a particulate carbonaceous material, and a conducting polymer containing a hetero atom, wherein the conducting polymer is grafted onto the carbonaceous material, wherein the composition is in a fuel cell, battery, or capacitor device.
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42. A fuel cell comprising an anode, a cathode, and a proton exchange membrane, wherein the anode and/or cathode comprises a composition comprising
a. a particulate carbonaceous material, and b. a conducting polymer containing a hetero atom, wherein the conducting polymer is grafted onto the carbonaceous material.
Specification