Article
  • Influence of the Pore Properties on Carbon Dioxide Adsorption of PAN-based Activated Carbon Nanofibers
  • Lee D, Cho S, Kim Y, Lee YS
  • 폴리아크릴로니트릴계 활성나노탄소섬유의 기공특성이 이산화탄소 흡착에 미치는 영향
  • 이다영, 조세호, 김예솔, 이영석
Abstract
In this study, polyacrylonitrile (PAN)-based porous carbon nanofibers were prepared from PAN polymer solution by electrospinning and KOH activation with various concentrations, and the characterization of pore structures and carbon dioxide adsorption was investigated. Manufactured PAN-based activated carbon nanofibers tend to decrease diameter and increase surface oxygen functional groups depending on the increasing concentration of KOH solution. In addition, according to the results of nitrogen adsorption for pore properties analysis, it indicated increase of the specific surface area in conformity with increasing concentration of KOH solution. Micropore volume of treated activated carbon nanofibers (ANCF) by 4 M KOH was the largest compared with other samples and mesopore volume of treated ANCF by 8 M KOH was the largest volume, respectively. The concentration of KOH effects textural and surface properties, as represented by BET and XPS, which enhance carbon dioxide adsorption capacity at 0 and 25 ℃.

Polyacrylonitrile(PAN) 고분자 용액으로부터 전기방사된 고분자 나노섬유를 다양한 농도의 KOH 용액을 이용하여 다공성 나노탄소섬유를 제조하였으며, 그에 따른 세공 구조 및 이산화탄소 흡착 특성을 평가하였다. PAN 용액으로부터 제조된 활성나노탄소섬유는 KOH 활성화 농도가 증가함에 따라 섬유 직경이 감소하였으며, 표면의 산소관능기가 증가하는 경향을 보였다. 또한 질소 흡착에 따른 세공특성을 분석한 결과 KOH 활성화 농도 증가에 따라 활성나노탄소섬유의 비표면적이 증가하고, 미세공은 4 M KOH로 활성화한 나노탄소섬유가 가장 많았으며, 중간세공은 8 M KOH로 활성화한 활성나노탄소섬유가 가장 많았다. 또한 0, 25 ℃에서 KOH 활성화제의 농도가 BET 및 XPS에서 나타난 것처럼 이산화탄소 흡착을 강화시키도록 세공 및 표면 특성에 영향을 주었다.

Keywords: polymer; polyacrylonitrile; carbon dioxide; KOH; adsorption.

References
  • 1. Jo YS, Kang YY, J. Environ. Policy., 5, 1 (2006)
  •  
  • 2. Bai BC, Cho S, Yu HR, Yi KB, Kim KD, Lee YS, J. Ind. Eng. Chem., 19(3), 776 (2013)
  •  
  • 3. Kim J, Lee S, Ku BC, Chung YS, Text. Sci. Eng., 48, 226 (2011)
  •  
  • 4. Jang DI, Park SJ, Appl. Chem. Eng., 21(4), 396 (2010)
  •  
  • 5. Kim JG, Kang SC, Shin E, Kim DY, Lee JH, Lee YS, Appl. Chem. Eng., 23(1), 47 (2012)
  •  
  • 6. Park OK, Kim JH, Lee S, Lee JH, Chung Y, Kim J, Ku BC, Polym.(Korea), 35(5), 472 (2011)
  •  
  • 7. Shin JH, Lim S, Kim SK, Peck DH, Lee BR, Jung DH, Korean Chem. Eng. Res., 49(6), 769 (2011)
  •  
  • 8. Kim DY, Kim YC, Kim CY, Polymer(Korea)., 9, 518 (1958)
  •  
  • 9. Yusof N, Ismail AF, J. Anal. Appl. Pyrol., 93, 1 (2012)
  •  
  • 10. Huang X, Materials., 2, 2369 (2009)
  •  
  • 11. Liu CL, Dong WS, Cao GP, Song JR, Liu L, Yang YS, J. Electroanal. Chem., 611(1-2), 225 (2007)
  •  
  • 12. Endo M, Lee BJ, Kim YA, Kim YJ, Muramatsu H, Yanagisawa T, Hayashi T, Terrones M, Dresselhaus MS, New J. Phys., 5, 121 (2003)
  •  
  • 13. Kim YJ, Horie Y, Matsuzawa Y, Wzaki S, Endo M, Dresselhaus M, Carbon., 42, 2423 (2004)
  •  
  • 14. Ahmadpour A, Do DD, Carbon., 34, 471 (1996)
  •  
  • 15. Otowa T, Nojima Y, Miyazaki T, Carbon., 35, 1315 (1997)
  •  
  • 16. Lillo-Rdenas MA, Cazorla-Amors D, Linares-Solano A, Carbon., 41, 267 (2003)
  •  
  • 17. Yoon SH, Lim S, Song Y, Ota Y, Qiao W, Tanaka A, Mochida I, Carbon., 42, 1723 (2004)
  •  
  • 18. Raymundo-Pinero E, Azas P, Cacciaguerra T, Cazorla-Amors D, Linares-Solano A, Bguin F, Carbon., 43, 786 (2005)
  •  
  • 19. Yu HR, Kim JG, Im JS, Bae TS, Lee YS, J. Ind. Eng. Chem., 18(2), 674 (2012)
  •  
  • 20. Lim JW, Jeong E, Jung MJ, Lee SI, Lee YS, J. Ind. Eng. Chem., 18(1), 116 (2012)
  •  
  • 21. Zulamita ZB, Francisco CM, Carlos MC, J. Power Sources., 219, 80 (2012)
  •  
  • 22. Lindsay B, Abel ML, Watts JF, Carbon., 45, 2433 (2007)
  •  
  • 23. Lee YS, Kim YH, Hong JS, Suh JK, Cho GJ, Catal. Today, 120(3-4), 420 (2007)
  •  
  • 24. Jung MJ, Jeong E, Cho S, Yeo SY, Lee YS, J. Colloid Interf. Sci., 381, 152 (2012)
  •  
  • 25. Jung MJ, Jeong E, Kim Y, Lee YS, J. Ind. Eng. Chem., 19(4), 1315 (2013)
  •  
  • 26. Kim JH, Kim JG, Hong IP, Lee SS, J. Korean Inst.Chem. Eng., 34, 668 (1996)
  •  
  • 27. Yoo HM, Min BG, Lee KH, Byun JH, Park SJ, Polym.(Korea), 36(3), 321 (2012)
  •  
  • 28. Lee YS, Phys. High Tech., 17&18, 18 (2004)
  •  
  • 29. Yi CK, Korean Chem. Eng. Res., 48(2), 140 (2010)
  •  
  • 30. Dhakal S, Raut AK, Energy Policy, 38(7), 3781 (2010)
  •  
  • 31. Othman MMR, Fernando WJN, Micropor.Mesopor. Mat., 138, 110 (2011)
  •  
  • 32. Yu HR, Cho S, Bai BC, Yi KB, Lee YS, Int. J.Greenh. Gas Con., 10, 278 (2012)
  •  
  • 33. Plaza MG, Conzlez AS, Pevida C, Pis JJ, Rubiera F, Appl. Energ., 99, 272 (2012)
  •  
  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2013; 37(5): 592-599

    Published online Sep 25, 2013

  • Received on Mar 12, 2013
  • Accepted on May 11, 2013