An electrocatalyst composition comprising a noble metal oxide supported on tin oxide

摘要

The present invention relates to a catalyst composition comprising tin oxide particles at least partially coated with a noble metal oxide layer, - iridium and ruthenium in a total amount of from 10 to 38% by weight, wherein all iridium and ruthenium are oxidized, A BET surface area of from 5 to 95 m ² / g, - Has an electrical conductivity of at least 7 S / cm at 25 ° C.