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240130s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307579
|2 doi
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|a eng
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|a Yang, Shoukun
|e verfasserin
|4 aut
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|a Dibromomethane Knitted Highly Porous Hyper-Cross-Linked Polymers for Efficient High-Pressure Methane Storage
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 09.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Hyper-cross-linked polymers (HCPs) with ultra-high porosity, superior physicochemical stability, and excellent cost-effectiveness are attractive candidates for methane storage. However, the construction of HCPs with BET surface areas exceeding 3000 m2 g-1 remains extremely challenging. In this work, a newly developed DBM-knitting method with a slow-knitting rate is employed to increase the cross-linking degree, in which dichloromethane (DCM) is replaced by dibromomethane (DBM) as both solvent and electrophilic cross-linker, resulting in highly porous and physicochemically stable HCPs. The BET surface areas of DBM-knitted SHCPs-Br are 44%-120% higher than that of DCM-knitted SHCPs-Cl using the same building blocks. Remarkably, SHCP-3-Br exhibits an unprecedentedly high porosity (SBET = 3120 m2 g-1) among reported HCPs, and shows a competitive volumetric 5-100 bar working methane capacity of 191 cm3 (STP) cm-3 at 273 K calculated by using real packing density, which outperforms sate-of-art metal-organic framework (MOFs) at comparable conditions. This facile and versatile low-knitting-rate strategy enables effective improvement in the porosity of HCPs for porosity-desired applications
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|a Journal Article
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|a dibromomethane
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|a hyper‐cross‐linked polymer
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|a methane storage
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|a natural gas
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|a solvent knitting
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|a working capacity
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|a Zhong, Zicheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Jiarui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaoyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Bien
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 19 vom: 01. Mai, Seite e2307579
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:19
|g day:01
|g month:05
|g pages:e2307579
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|u http://dx.doi.org/10.1002/adma.202307579
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