Catalyst assembly including an intermetallic compound of iridium and tungsten

摘要

A catalyst assembly having a substrate including an intermetallic compound of W and Ir. The weight ratio of W to Ir is in a range between a first ratio and a second ratio. A catalyst includes at least one noble metal is supported on and contacts the substrate. The first ratio may be in the range of 48:52 and the second ratio may be in the range of 51:49.

主权项

1. A catalyst assembly comprising:
a substrate including a layer of an intermetallic W/Ir compound having a W/Ir weight ratio in a range of 48:52 and 51:49 with an XRD profile including a first 2Theta peak located between 33 and 41 and a second 2Theta peak located between 23 and 31; and a noble metal catalyst supported on and contacting the layer of the intermetallic W/Ir compound.