The performance of carbon monoxide catalysts primarily includes catalytic activity, selectivity, stability, and durability. The catalytic activity of a carbon monoxide catalyst is one of the key indicators for measuring its effectiveness, reflecting the extent to which the catalyst promotes the carbon monoxide reaction. Higher catalytic activity results in a faster reaction rate and greater carbon monoxide conversion efficiency. Selectivity is another important performance metric for carbon monoxide catalysts, indicating the catalyst's ability to favor desired reaction products. Higher selectivity leads to purer conversion products of carbon monoxide and reduces the generation of harmful substances. Stability is a crucial performance indicator for catalysts, reflecting their ability to maintain consistent performance over extended periods of use. Better stability extends the catalyst's lifespan and reduces overall costs. Durability is another essential performance metric, reflecting the catalyst's resistance to poisoning and thermal degradation during operation. Greater durability results in a longer catalyst lifespan.