Fig. 3: Catalytic performance of Pt/PtBi–SiO2 catalysts in CO oxidation.
From: Unique structure of active platinum-bismuth site for oxidation of carbon monoxide
a CO oxidation experiments with different H2-pretreatment temperature for 1Pt2Bi-SiO2; b Catalytic CO oxidation light-off performance of different catalysts at a gas hourly space velocity of 134,000 mL gcat–1 h–1 in 1 vol.% CO/20 vol.% O2/79 vol.% N2. Temperature ramp: 2 °C min−1; c Apparent activation energy (Ea) of various catalysts; d CO oxidation stability test (150 °C, 200,000 mL g−1 h−1) and reaction rate of different catalysts.
