Development of porous carbon nanofibers from electrospun polyvinylidene fluoride for CO2 capture

Seok Min Hong, Sung Hyun Kim, Bo Gyeong Jeong, Seong Mu Jo, Ki Bong Lee

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Highly porous carbon nanofibers (CNFs) are successfully prepared for CO2 capture from the carbonization of electrospun polyvinylidene fluoride (PVDF). In the CNF preparation, different temperatures in the range 300-1000 °C are applied for carbonization, and the effect of temperature is investigated. Well-developed porosities and enhanced CO2 adsorption uptakes are achieved by applying a large degree of carbonization at temperatures of 400 °C or above. In the carbonization at high temperatures, narrow micropores (<0.7 nm) are predominantly developed in the PVDF-based CNFs, contributing to an increase of specific surface area and pore volume up to 1065 m2 g-1 and 0.61 cm3 g-1, respectively. The highest CO2 adsorption uptake of 3.1 mol kg-1 is measured at 30 °C and ∼1 atm for PVDF-based CNF carbonized at 1000 °C. PVDF-based CNFs also display excellent recyclability and rapid adsorption-desorption kinetics, which make PVDF-based CNFs promising adsorbents for CO2 capture. This journal is

Original languageEnglish
Pages (from-to)58956-58963
Number of pages8
JournalRSC Advances
Volume4
Issue number103
DOIs
Publication statusPublished - 2014 Oct 28

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Carbon nanofibers
Carbonization
Adsorption
Temperature
Specific surface area
Adsorbents
polyvinylidene fluoride
Desorption
Porosity
Kinetics

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Development of porous carbon nanofibers from electrospun polyvinylidene fluoride for CO2 capture. / Hong, Seok Min; Kim, Sung Hyun; Jeong, Bo Gyeong; Jo, Seong Mu; Lee, Ki Bong.

In: RSC Advances, Vol. 4, No. 103, 28.10.2014, p. 58956-58963.

Research output: Contribution to journalArticle

Hong, Seok Min ; Kim, Sung Hyun ; Jeong, Bo Gyeong ; Jo, Seong Mu ; Lee, Ki Bong. / Development of porous carbon nanofibers from electrospun polyvinylidene fluoride for CO2 capture. In: RSC Advances. 2014 ; Vol. 4, No. 103. pp. 58956-58963.
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