ArticleNanoscale advances2026
Post-ageing guided closed-loop discovery of multi-element alloy catalysts for automotive exhaust purification.
Article in Nanoscale advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Introduction to high throughput synthesis, characterisation and optimisation of nanomaterials.Nanoscale advances · 2026Article
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10 authors.
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Abstract
Multi-element alloy catalysts exhibit tunable electronic structures and remarkable thermal stability, making them promising materials for automotive exhaust purification. However, most data-driven explorations have emphasised fresh activity, overlooking the post-ageing durability that governs real-world performance. Here, we have developed a closed-loop high-throughput discovery framework that employs post-ageing activity as the principal design index and integrates inverse analytical prediction to accelerate the development of durable high-entropy alloy catalysts. A total of 1493 catalysts were synthesised and automatically evaluated, yielding over one hundred compositions surpassing Pd benchmarks in low-temperature activity, total conversion, and durability. Mechanistic analyses revealed that the enhanced performance originates from cooperative sites formed between different elements-indicating synergistic adsorption behaviour beyond that of individual metals-and from synthesis conditions involving low temperatures and high alkalinity, which suppress the formation of mixed oxides with alumina and thereby optimise metal-support interactions. Furthermore, multi-component evaluations including low-reactivity hydrocarbons (i-C
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