Basf Se Corporation

Ömer Ünsal

Ekkehard Schwab

Martin Ernst

Oliver Gronwald

Stephan Freyer

Ansgar Gereon Altenhoff

Stefan Kotrel

Sigmar Bräuninger

Jörg Belack

Claudia Querner

Kathrin Wissel-Stoll

Sigmar BRÄUNINGER

A process for preparing a catalyst material comprising an electrically conducting support material, a proton-conducting, polyazole-based polymer and a catalytically active material. A catalyst material prepared by the process of the invention. A catalyst ink comprising a catalyst material of the invention and a solvent. A catalyst-coated membrane (CCM) comprising a polymer electrolyte membrane and also catalytically active layers comprising a catalyst material of the present invention. A gas diffusion electrode (GDE) comprising a gas diffusion layer and a catalytically active layer comprising a catalyst material of the invention. A membrane-electrode assembly (MEA) comprising a polymer electrolyte membrane, catalytically active layers comprising a catalyst material of the invention, and gas diffusion layers. And a fuel cell comprising a membrane-electrode assembly of the present invention.

Catalyst support material comprising polyazole, electrochemical catalyst, and the preparation of a gas diffusion electrode and a membrane-electrode assembly therefrom

Proton-conducting polymer electrolyte membrane based on a polyazole salt of an inorganic or organic acid which is doped with an acid as electrolyte, wherein the polyazole salt of the organic or inorganic acid has a lower solubility in the acid used as electrolyte than the polyazole salt of the acid used as electrolyte, a process for producing the inventive proton-conducting polymer electrolyte membrane, a membrane-electrode assembly comprising at least two electrochemically active electrodes which are separated by a polymer electrolyte membrane, wherein the polymer electrolyte membrane is a proton-conducting polymer electrolyte membrane according to the invention, and a fuel cell comprising at least one membrane-electrode assembly according to the invention.

Polymer electrolyte membrane based on polyazole

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Mainz, Germany

Ömer Ünsal