A composition comprising particulate carbonaceous material and a sulfonated 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....http://www.google.de/patents/US7390441?utm_source=gb-gplus-sharePatent US7390441 - Sulfonated conducting polymer-grafted carbon material for fuel cell applications
