Patent ID: 7220509
Filing Date: 2007-05-22
Classification: H01M,Y02E

Abstract:
1. A fuel cell comprising: a membrane electrode assembly (MEA) comprising a membrane sandwiched between first and second electrodes; contaminant peroxide damaging to the MEA; and at least one constituent present with the contaminant peroxide that prevents, or at least inhibits, decomposition of at least one of: the first electrode; the second electrode; the membrane; and any combination thereof, wherein the at least one constituent is a member selected from the group consisting of phenols, phenol derivatives, hindered phenols, di-phenols, poly-phenols, amines, hindered amines, aromatic amines, compounds containing divalent sulfur, constituents comprising a trivalent phosphorous, hindered phenol derivatives of phosphorous, polymeric derivatives of trimethyl quinoline polymers, ascorbic acid, alpha-tocopherol, enzymes, functional groups on polymers, constituents that are part of polymer and copolymer backbones, constituents that are grafted to polymers and copolymers, and combinations thereof.