INORGANIC AND/OR ORGANIC ACID-CONTAINING CATALYST INK AND USE THEREOF IN THE PRODUCTION OF ELECTRODES, CATALYST-COATED MEMBRANES, GAS DIFFUSION ELECTRODES AND MEMBRANE ELECTRODE UNITS

摘要

Catalyst ink, comprising one or more catalyst materials, a solvent component, and at least one acid, selected from the group consisting of phosphoric acid, polyphosphoric acid, sulfuric acid, nitric acid, HCIO4, organic phosphonic acids, inorganic phosphonic acids, trifluoromethane sulfonic acids, or the mixtures thereof, an electrode comprising at least one catalyst ink according to the present invention, a fuel cell comprising at least one membrane electrode unit according to the invention, and a method for producing a membrane electrode unit according to the present invention.