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High-area alumina supported Cu-Ce atomic species for water-gas shift reaction
Chemical Communications ( IF 4.3 ) Pub Date : 2024-07-26 , DOI: 10.1039/d4cc01023j
Yiwei Yu, Tie Wang, Ning Yan, Jingyue Liu

Atomically dispersed cerium species, anchored to high-area alumina by unsaturated penta-coordinated aluminum, strongly interact with atomically dispersed Cu species to provide active centers for water-gas shift reaction (WGSR). The alumina-anchored Ce3+ species stabilize atomically dispersed Cu+ to form Cu+-Ce3+ active complexes and they work synergistically to enhance low-temperature WGSR activity. This work offers alternative approaches to developing low-cost catalysts for the WGSR process.

中文翻译:


用于水煤气变换反应的高面积氧化铝负载 Cu-Ce 原子物种



原子分散的铈物质通过不饱和五配位铝固定在高面积氧化铝上,与原子分散的铜物质强烈相互作用,为水煤气变换反应(WGSR)提供活性中心。氧化铝锚定的 Ce 3+ 物质稳定原子分散的 Cu + 形成 Cu + -Ce 3+ 活性络合物,并且它们协同作用增强低温WGSR活性。这项工作为开发 WGSR 工艺的低成本催化剂提供了替代方法。
更新日期:2024-07-26
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