COATED MEMBRANE FOR WATER ELECTROLYSIS

COATED MEMBRANE FOR WATER ELECTROLYSIS

The invention relates to a coated membrane containing - a membrane with a front and a rear face, - a catalyst-containing coating which is provided on the front face of the membrane, - said catalyst containing - a support material which has a BET surface area of maximally 80 m2/g, and - an iridium-co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GEBAUER, Christian, GASTEIGER, Hubert, GHIELMI, Alessandro, EICKES, Christian, BERNT, Maximilian, KEMMER, Martina, HARTIG-WEISS, Alexandra, BYRKNES, Jan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
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Beschreibung
Zusammenfassung:The invention relates to a coated membrane containing - a membrane with a front and a rear face, - a catalyst-containing coating which is provided on the front face of the membrane, - said catalyst containing - a support material which has a BET surface area of maximally 80 m2/g, and - an iridium-containing coating which is provided on the support material and which contains an iridium oxide, an iridium hydroxide, or an iridium hydroxide oxide or a mixture of at least two of said iridium compounds, wherein - the catalyst contains iridium in a quantity of maximally 60 wt.%, and - the coating provided on the membrane front face has an iridium content of maximally 0.4 mg iridium / cm2.