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题名: Structurally Designed Synthesis of Mechanically Stable Poly(benzoxazine-co-resol)-Based Porous Carbon Monoliths and Their Application as High-Performance CO2 Capture Sorbents
作者: Hao, Guang-Ping1;  Li, Wen-Cui1;  Qian, Dan1;  Wang, Guang-Hui1;  Zhang, Wei-Ping2;  Zhang, Tao2;  Wang, Ai-Qin2;  Schueth, Ferdi3;  Bongard, Hans-Josef3;  Lu, An-Hui1
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2011-07-27
DOI: 10.1021/ja203857g
卷: 133, 期:29, 页:11378-11388
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Porous carbon monoliths with defined multi-length scale pore structures, a nitrogen-containing framework, and high mechanical strength were synthesized through a self-assembly of poly(benzoxazine-co-resol) and a carbonization process. Importantly, this synthesis can be easily scaled up to prepare carbon monoliths with identical pore structures. By controlling the reaction conditions, porous carbon monoliths exhibit fully interconnected macroporosity and mesoporosity with cubic Im3m symmetry and can withstand a press pressure of up to 15.6 MPa. The use of amines in the synthesis results in a nitrogen-containing framework of the carbon monolith, as evidenced by the cross-polarization magic-angle-spinning NMR characterization. With such designed structures, the carbon monoliths show outstanding CO2 capture and separation capacities, high selectivity, and facile regeneration at room temperature. At similar to 1 bar, the equilibrium capacities of the monoliths are in the range of 3.3-4.9 mmol g(-1) at 0 degrees C and of 2.6-3.3 mmol g(-1) at 25 degrees C, while the dynamic capacities are in the range of 2.7-4.1 wt % at 25 degrees C using 14% (v/v) CO2 in N-2. The carbon monoliths exhibit high selectivity for the capture of CO2 over N-2 from a CO2/N-2 mixture, with a separation factor ranging from 13 to 28. Meanwhile, they undergo a facile CO2 release in an argon stream at 25 degrees C, indicating a good regeneration capacity.
关键词[WOS]: ZEOLITIC IMIDAZOLATE FRAMEWORKS ;  METAL-ORGANIC FRAMEWORKS ;  ADSORPTION EQUILIBRIUM ;  DIOXIDE CAPTURE ;  MESOPOROUS MATERIALS ;  PHASE-SEPARATION ;  FLUE-GAS ;  FORMALDEHYDE ;  METHANE ;  PORES
语种: 英语
WOS记录号: WOS:000293367300061
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142713
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany

Recommended Citation:
Hao, Guang-Ping,Li, Wen-Cui,Qian, Dan,et al. Structurally Designed Synthesis of Mechanically Stable Poly(benzoxazine-co-resol)-Based Porous Carbon Monoliths and Their Application as High-Performance CO2 Capture Sorbents[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2011,133(29):11378-11388.
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