지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2000.1
- 수록면
- 69 - 75 (7page)
이용수
초록· 키워드
오류제보하기
Naphtha cracking bottom oil was reformed with heat treatment and then spun at $310^{\circ}C$. These pitch-based carbon fibers were carbonized at $1000^{\circ}C$ after oxidation at $280^{\circ}C$, for 90 min. These fibers were chemically activated with molar ratio of KOH/CF (1 : 1) at different temperatures ($250{\sim}900^{\circ}C$) for 1 hr. The process of activation was characterized with DTA, TGA, BET surface area and pore size distribution. The activation of fibers by KOH was performed by several process. One is the reduction process that carbon fiber was reacted with $K_2O$ produced from dehydration process above $400^{\circ}C$. The other is the process that $K_2CO_3$ was directly reacted with carbon fiber. At $800^{\circ}C$, the activation was performed by catalyzed mechanism that $K_2O$ was obtained from the reaction of metal potassium with $CO_2$, then was changed to $K_2CO_3$. At $870^{\circ}C$, the activation was also observed that activation mechanism was promoted by metal catalyst with $CO_2$ from decomposition of $K_2CO_3$. The specific surface area of prepared activated carbon fibers was dependent on the activation mechanism. The specific surface area was in the range of $1519{\sim}2000\;cm^3/g$ and was the largest prepared at $870^{\circ}C$. The pores developed were mostly micropores which was very narrow and uniform. The total pore volume was $0.58{\sim}0.77\;cm^3/g$.
목차
등록된 정보가 없습니다.
참고문헌 (0)
참고문헌 신청함께 읽어보면 좋을 논문
논문 유사도에 따라 DBpia 가 추천하는 논문입니다. 함께 보면 좋을 연관 논문을 확인해보세요!
-
Role of KOH in the One-Stage KOH Activation of Cellulosic Biomass
Carbon science
2003 .01
-
TEM Study of Micropores Developed on Pitch-based Carbon Fiber
Carbon science
2006 .01
-
Pore Structure Characterization of Poly(vinylidene chloride)-Derived Nanoporous Carbons
Carbon letters
2012 .01
-
Pore structure control of activated carbon fiber for CO gas sensor electrode
Carbon letters
2016 .01
-
A Structural Study of the Activated Carbon Fibers as a Function of Activation Degrees
Carbon science
2004 .01
-
Steam Activation Behaviors of Oxidatively Stabilized Petroleum-based Pitch Fibers Spun by Melt-blown Method
Carbon science
2002 .01
-
Influence of Activation Temperature on Micro- and Mesoporosity of Synthetic Activated Carbons
Carbon science
2001 .01
-
Electrochemical Behaviors of Activated Carbons Prepared from Polymeric Precursor
Carbon science
2007 .01
-
Characteristics of the Catalysts Using Activated Carbon Nanofibers with KOH as the Support of Anode Catalyst for Direct Methanol Fuel Cell
Carbon science
2007 .01
-
활성탄소섬유의 미세기공 특성화
Applied Science and Convergence Technology
1993 .12
-
The Effect of Potassium Hydroxide on the Porosity of Phenol Resin-based Activated Carbon Fiber
Carbon science
2006 .01
-
Molecular structure effects of the pitches on preparation of activated carbon fibers from electrospinning
Carbon letters
2011 .01
-
Equilibrium Removal of Pb (II) Ions from Aqueous Solution onto Oxidized-KOH-Activated Carbons
Carbon letters
2011 .01
-
Oxidation Kinetics of Carbon Fibers
Carbon science
2005 .01
-
Electrochemical properties of KOH-activated lyocell-based carbon fibers for EDLCs
Carbon letters
2018 .01
-
Improved Sensitivity of an NO Gas Sensor by Chemical Activation of Electrospun Carbon Fibers
Carbon letters
2011 .01
-
KOH 용액 및 KOH - IPA 혼합용액에 의한 단결정 실리콘의 이방성식각 특성
Applied Science and Convergence Technology
2002 .12
-
Carbon Fibers (I): General Understanding and Manufacturing Techniques of Carbon Fibers
Carbon letters
2008 .01
-
Pitch based carbon fibers for automotive body and electrodes
Carbon letters
2014 .01
-
Kinetic Studies on Physical and Chemical Activation of Phenolic Resin Chars
Carbon science
2003 .01
이 논문의 저자 정보
최근 본 자료
댓글(0)
0