Electrocatalyst composition comprising noble metal oxide supported on tin oxide
AssigneeBASF SE
InventorsAndreas Haas, Domnik Bayer, Rosalba Adriana Rincon-Ovalles, Markus Kohl
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Abstract
The present invention relates to a catalyst composition, comprising tin oxide particles which are at least partially coated by a noble metal oxide layer, wherein the composition contains iridium and ruthenium in a total amount of from 10 wt % to 38 wt %, and all iridium and ruthenium is oxidized, —has a BET surface area of from 5 to 95 m2/g, and —has an electrical conductivity at 25° C. of at least 7 S/cm.
Claims21
A catalyst composition, comprising tin oxide particles, wherein the tin oxide is optionally doped with at least one metal dopant, each tin oxide particles is coated by a noble metal oxide layer, wherein the noble metal oxide is iridium oxide or iridium-ruthenium oxide,
- wherein the composition
- contains iridium and ruthenium in a total amount of from 10 wt % to 38 wt %, and all iridium and ruthenium is oxidized,
- has a BET surface area of from 5 to 95 m2/g, and
- has an electrical conductivity at 25° C. of at least 7 S/cm.
Dependencies are inferred from the claim text.