Patent ID: 9677183
Date: 2017-06-13
CPC Classifications: B01J,C25B,H01M,Y02E

Claim:
1. Electrocatalyst for preparing chlorine by electrolysis of electrolytes containing chloride ions, comprising at least one noble metal oxide and/or noble metal of transition group VIIIa of the Periodic Table of the Elements wherein the catalyst further comprises at least one base metal oxide powder, wherein the base metal oxide powder is chemically stable in the presence of aqueous electrolytes, wherein the based metal oxide powder further comprises an electrically conductive matrix composed of noble metal oxide and/or noble metal, valve metal oxide and/or valve metal and/or doped base metal oxide in which the finely divided, optionally doped, base metal oxide powder is embedded, and wherein the average particle diameter of the particles of base metal oxide powder is not more than 1 μm.