Activated Carbon Nanofiber Nonwovens: Improving Strength and Surface Area by Tuning Fabrication Procedure

Basma I. Waisi, Seetha S. Manickam, Nieck E. Benes, Arian Nijmeijer, Jeffrey R. McCutcheon (Corresponding Author)

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Abstract

Electrospun-based activated carbon nanofiber nonwovens (ACNFN) are interesting candidate materials for adsorption processes due to their high surface area and low flow-through resistance. However, the mechanical properties of these materials must be sufficient to withstand the conditions for use and to prevent breakage and fiber shedding. Improvements in the mechanical properties of the ACNFNs should not be accompanied by deterioration of other beneficial properties, however. In this research, improving the mechanical properties of ACNFN based on 14 wt % PAN/DMF was done by tuning the fabrication conditions. Carbonization occured at 600 °C for 2 h followed by steam activation at 750 °C for 1 h. We demonstrated the capability to generate ACNFN with high accessible surface area that reached 520 m 2 /g and acceptable mechanical strength (break strength, 0.9; 75 MPa, Young's modulus) for improved handling and use in different applications.

Original languageEnglish
Pages (from-to)4084-4089
Number of pages6
JournalIndustrial and engineering chemistry research
Volume58
Issue number10
Early online date31 Jan 2019
DOIs
Publication statusPublished - 13 Mar 2019

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Carbon nanofibers
Activated carbon
Tuning
Fabrication
Mechanical properties
Steam
Carbonization
Strength of materials
Deterioration
Elastic moduli
Chemical activation
Adsorption
Fibers

Cite this

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title = "Activated Carbon Nanofiber Nonwovens: Improving Strength and Surface Area by Tuning Fabrication Procedure",
abstract = "Electrospun-based activated carbon nanofiber nonwovens (ACNFN) are interesting candidate materials for adsorption processes due to their high surface area and low flow-through resistance. However, the mechanical properties of these materials must be sufficient to withstand the conditions for use and to prevent breakage and fiber shedding. Improvements in the mechanical properties of the ACNFNs should not be accompanied by deterioration of other beneficial properties, however. In this research, improving the mechanical properties of ACNFN based on 14 wt {\%} PAN/DMF was done by tuning the fabrication conditions. Carbonization occured at 600 °C for 2 h followed by steam activation at 750 °C for 1 h. We demonstrated the capability to generate ACNFN with high accessible surface area that reached 520 m 2 /g and acceptable mechanical strength (break strength, 0.9; 75 MPa, Young's modulus) for improved handling and use in different applications.",
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Activated Carbon Nanofiber Nonwovens : Improving Strength and Surface Area by Tuning Fabrication Procedure. / Waisi, Basma I.; Manickam, Seetha S.; Benes, Nieck E.; Nijmeijer, Arian; McCutcheon, Jeffrey R. (Corresponding Author).

In: Industrial and engineering chemistry research, Vol. 58, No. 10, 13.03.2019, p. 4084-4089.

Research output: Contribution to journalArticleAcademicpeer-review

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T2 - Improving Strength and Surface Area by Tuning Fabrication Procedure

AU - Waisi, Basma I.

AU - Manickam, Seetha S.

AU - Benes, Nieck E.

AU - Nijmeijer, Arian

AU - McCutcheon, Jeffrey R.

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AB - Electrospun-based activated carbon nanofiber nonwovens (ACNFN) are interesting candidate materials for adsorption processes due to their high surface area and low flow-through resistance. However, the mechanical properties of these materials must be sufficient to withstand the conditions for use and to prevent breakage and fiber shedding. Improvements in the mechanical properties of the ACNFNs should not be accompanied by deterioration of other beneficial properties, however. In this research, improving the mechanical properties of ACNFN based on 14 wt % PAN/DMF was done by tuning the fabrication conditions. Carbonization occured at 600 °C for 2 h followed by steam activation at 750 °C for 1 h. We demonstrated the capability to generate ACNFN with high accessible surface area that reached 520 m 2 /g and acceptable mechanical strength (break strength, 0.9; 75 MPa, Young's modulus) for improved handling and use in different applications.

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