LAPSE:2018.0326
Published Article
LAPSE:2018.0326
Structure Manipulation of Carbon Aerogels by Managing Solution Concentration of Precursor and Its Application for CO₂ Capture
Pingping He, Xingchi Qian, Zhaoyang Fei, Qing Liu, Zhuxiu Zhang, Xian Chen, Jihai Tang, Mifen Cui, Xu Qiao
July 31, 2018
A series of carbon aerogels were synthesized by polycondensation of resorcinol and formaldehyde, and their structure was adjusted by managing solution concentration of precursors. Carbon aerogels were characterized by X-ray diffraction (XRD), Raman, Fourier transform infrared spectroscopy (FTIR), N₂ adsorption/desorption and scanning electron microscope (SEM) technologies. It was found that the pore structure and morphology of carbon aerogels can be efficiently manipulated by managing solution concentration. The relative micropore volume of carbon aerogels, defined by Vmicro/Vtol, first increased and then decreased with the increase of solution concentration, leading to the same trend of CO₂ adsorption capacity. Specifically, the CA-45 (the solution concentration of precursors is 45 wt%) sample had the highest CO₂ adsorption capacity (83.71 cm³/g) and the highest selectivity of CO₂/N₂ (53) at 1 bar and 0 °C.
Keywords
carbon aerogels, Carbon Dioxide Capture, concentration, structure manipulation
Subject
Suggested Citation
He P, Qian X, Fei Z, Liu Q, Zhang Z, Chen X, Tang J, Cui M, Qiao X. Structure Manipulation of Carbon Aerogels by Managing Solution Concentration of Precursor and Its Application for CO₂ Capture. (2018). LAPSE:2018.0326
Author Affiliations
He P: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Qian X: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Fei Z: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Liu Q: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; Department of Chemistry Centre for Catalysis Research and Innovation (CCRI), University of Ottawa, Ottawa, ON K1N 6N5, Canada [ORCID]
Zhang Z: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Chen X: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Tang J: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; Jiangsu National Synergetic Innovation Center for Advanced Ma
Cui M: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
Qiao X: College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, China; Jiangsu National Synergetic Innovation Center for Advanced Ma
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Journal Name
Processes
Volume
6
Issue
4
Article Number
E35
Year
2018
Publication Date
2018-04-12
Published Version
ISSN
2227-9717
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PII: pr6040035, Publication Type: Journal Article
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LAPSE:2018.0326
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doi:10.3390/pr6040035
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Jul 31, 2018
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