Max-Planck-Gesellschaft Zur F&#xf6;rderung Der Wissenschaften E. V.

Fritz Haber Institut Der Max Planck Gesellschaft Department of Inorganic Chemistry

Cyriac Massué

Robert Schlögl

Sebastian Cap

The present invention relates to a catalytically active material for the electrochemical oxidation of water, wherein the catalytically active material comprises an amorphous Ir-oxohydroxide, wherein the catalytically active material has a specific surface area (S) of &#x2265;50 m.g; an electrode coated with the catalytically active material; a proton exchange membrane (PEM) based electrolyzer comprising the electrode; the use of the catalytically active material, the electrode or the electrolyzer the electrochemical oxidation of water; and a process for preparing the catalytically active material comprising the microwave-assisted thermal treatment of a basic solution of an Ir(III) or Ir(IV) complex.

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Berlin, Germany

Cyriac Massué