H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 1/00 (2006.01) C08K 3/04 (2006.01) C08K 3/08 (2006.01) C08L 101/12 (2006.01) H01B 1/02 (2006.01) H01B 1/04 (2006.01) H01B 5/00 (2006.01) H01M 4/96 (2006.01) H01M 6/18 (2006.01) H01M 8/10 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2486765
A composition comprising particulate carbonaceous material (52) and a conducting polymer containing hetero atoms (54). The composition can further comprise a metal (56). Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fuel cells wherein the fuel cells comprise an anode (20), a cathode (50), and a polymer exchange membrane (10). 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.
L'invention concerne une composition comprenant un matériau particulaire carboné et un polymère conducteur contenant des hétéro-atomes. Ladite composition peut ensuite comprendre un métal. On peut construire des dispositifs destinés à contenir la composition comprenant des électrocatalyseurs supportés, des ensembles d'électrodes membranaires et des piles à combustibles. L'invention concerne également un procédé permettant de préparer la composition consistant à polymériser, de manière oxydative, un monomère d'un polymère conducteur contenant des hétéro-atomes en présence d'un matériau carboné. Ce procédé permet de greffer le polymère conducteur sur le matériau carboné. Il consiste également à métalliser le matériau carboné greffé sur un polymère.
Columbian Chemicals Company
Smart & Biggar
LandOfFree
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