吸附
物理吸附
金属有机骨架
耐久性
相对湿度
二氧化碳
环境科学
碳纤维
复合数
化学工程
化学
材料科学
吸附
复合材料
有机化学
工程类
物理
热力学
作者
Jian‐Bin Lin,Tai Nguyen,Ramanathan Vaidhyanathan,Jake Burner,Jared M. Taylor,Hana Durekova,Farid Akhtar,Roger K. Mah,Omid Ghaffari Nik,Stefan Marx,Nicholas Fylstra,Simon S. Iremonger,Karl W. Dawson,Partha Sarkar,Pierre Hovington,Arvind Rajendran,Tom K. Woo,George K. H. Shimizu
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2021-12-17
卷期号:374 (6574): 1464-1469
被引量:301
标识
DOI:10.1126/science.abi7281
摘要
Metal-organic frameworks (MOFs) as solid sorbents for carbon dioxide (CO2) capture face the challenge of merging efficient capture with economical regeneration in a durable, scalable material. Zinc-based Calgary Framework 20 (CALF-20) physisorbs CO2 with high capacity but is also selective over water. Competitive separations on structured CALF-20 show not just preferential CO2 physisorption below 40% relative humidity but also suppression of water sorption by CO2, which was corroborated by computational modeling. CALF-20 has a low enthalpic regeneration penalty and shows durability to steam (>450,000 cycles) and wet acid gases. It can be prepared in one step, formed as composite materials, and its synthesis can be scaled to multikilogram batches.
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