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논문 기본 정보
- 자료유형
- 동향자료
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 146 - 150 (5page)
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초록· 키워드
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In this work, activated carbon nanofiber (ACNF) electrodes with high double-layer capacitance and good rate capability were prepared from polyacrylonitrile nanofibers by optimizing the carbonization temperature prior to $H_2O$ activation. The morphology of the ACNFs was observed by scanning electron microscopy. The elemental composition was determined by analysis of X-ray photoelectron spectroscopy. $N_2$-adsorption-isotherm characteristics at 77 K were confirmed by Brunauer-Emmett-Teller and Dubinin-Radushkevich equations. ACNFs processed at different carbonization temperatures were applied as electrodes for electrical double-layer capacitors. The experimental results showed that the surface morphology of the CNFs was not significantly changed after the carbonization process, although their diameters gradually decreased with increasing carbonization temperature. It was found that the carbon content in the CNFs could easily be tailored by controlling the carbonization temperature. The specific capacitance of the prepared ACNFs was enhanced by increasing the carbonization temperature.
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참고문헌 (20)
참고문헌 신청
Winter M / 2004 / What are batteries, fuel cells, and supercapacitors? / Chem Rev 104:4245
Zhang LL / 2009 / Carbon-based materials as supercapacitor electrodes / Chem Soc Rev 38:2520
Xiang C / 2012 / Reduced graphene oxide/titanium dioxide composites for supercapacitor electrodes:shape and coupling effects / J Mater Chem 22:19161
Watson VJ / 2013 / Influence of chemical and physical properties of activated carbon powders on oxygen reduction and microbial fuel cell performance / Environ Sci Technol 47:6704
Lei C / 2013 / Activated carbon from phenolic resin with controlled mesoporosity for an electric double-layer capacitor (EDLC) / J Mater Chem A 1:6037
Zhang LL / 2009 / Carbon-based materials as supercapacitor electrodes / Chem Soc Rev 38:2520
Xiang C / 2012 / Reduced graphene oxide/titanium dioxide composites for supercapacitor electrodes:shape and coupling effects / J Mater Chem 22:19161
Watson VJ / 2013 / Influence of chemical and physical properties of activated carbon powders on oxygen reduction and microbial fuel cell performance / Environ Sci Technol 47:6704
Lei C / 2013 / Activated carbon from phenolic resin with controlled mesoporosity for an electric double-layer capacitor (EDLC) / J Mater Chem A 1:6037
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