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We report a microporous aluminum-based metal-organic framework (MOF), BUT-22 for high methane (CH4), hydrogen (H2), and carbon dioxide (CO2) storage. At 296 K and 80 bar, BUT-22 exhibits a high gravimetric CH4 storage capacity of 530 cm3 (STP)/g (0.379 g/g). BUT-22 also has a high gravimetric H2 storage capacity of 12 wt.% at 100 bar and 77 K. In addition, the CO2 adsorption studies revealed that BUT-22 exhibits a high absolute gravimetric CO2 uptake of 1.7 g/g at 296 K and 40 bar.
We acknowledge financial support from the National Natural Science Foundation of China (Nos. 21971038, 21975044, 21805039, 21673039, and 573042), the Fujian Science and Technology Department (Nos. 2019H6012 and 2018J07001), the China Postdoctoral Science Foundation (No. 2018M642556), and the Welch Foundation (No. AX-1730).