Supercapacitors prepared from carbon nanofibers electrospun from polybenzimidazol
A new form of carbon nanofiber web was prepared that is considered to be a suitable material for the electrode of a supercapacitor exhibiting high capacitance. A polybenzimidazol/dimethyl acetamide solution was electrospun, and subsequently the web was steam activated at 700-900 deg C. The specific...
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| Veröffentlicht in: | Journal of the Electrochemical Society 2004, Vol.151 (5), p.A769-A773 |
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| container_end_page | A773 |
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| container_issue | 5 |
| container_start_page | A769 |
| container_title | Journal of the Electrochemical Society |
| container_volume | 151 |
| creator | KIM, Chan KIM, Jong-Sang KIM, Seog-Jun LEE, Wan-Jin YANG, Kap-Seung |
| description | A new form of carbon nanofiber web was prepared that is considered to be a suitable material for the electrode of a supercapacitor exhibiting high capacitance. A polybenzimidazol/dimethyl acetamide solution was electrospun, and subsequently the web was steam activated at 700-900 deg C. The specific capacitance of the activated carbon nanofiber ranged from 125 to 178 F/g, depending on the activation temperature. The capacitance of the electrical double-layer capacitor was strongly dependent on the specific surface area, micropore volume, and resistivity of the samples. The results provide a simple and economical means that could substantially enhance the capacitance of carbon materials. |
| doi_str_mv | 10.1149/1.1695380 |
| format | Article |
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A polybenzimidazol/dimethyl acetamide solution was electrospun, and subsequently the web was steam activated at 700-900 deg C. The specific capacitance of the activated carbon nanofiber ranged from 125 to 178 F/g, depending on the activation temperature. The capacitance of the electrical double-layer capacitor was strongly dependent on the specific surface area, micropore volume, and resistivity of the samples. The results provide a simple and economical means that could substantially enhance the capacitance of carbon materials.</description><identifier>ISSN: 0013-4651</identifier><identifier>EISSN: 1945-7111</identifier><identifier>DOI: 10.1149/1.1695380</identifier><identifier>CODEN: JESOAN</identifier><language>eng</language><publisher>Pennington, NJ: Electrochemical Society</publisher><subject>Applied sciences ; Capacitors. Resistors. Filters ; Electrical engineering. 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A polybenzimidazol/dimethyl acetamide solution was electrospun, and subsequently the web was steam activated at 700-900 deg C. The specific capacitance of the activated carbon nanofiber ranged from 125 to 178 F/g, depending on the activation temperature. The capacitance of the electrical double-layer capacitor was strongly dependent on the specific surface area, micropore volume, and resistivity of the samples. The results provide a simple and economical means that could substantially enhance the capacitance of carbon materials.</description><subject>Applied sciences</subject><subject>Capacitors. Resistors. Filters</subject><subject>Electrical engineering. 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| ispartof | Journal of the Electrochemical Society, 2004, Vol.151 (5), p.A769-A773 |
| issn | 0013-4651 1945-7111 |
| language | eng |
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| source | IOP Publishing Journals |
| subjects | Applied sciences Capacitors. Resistors. Filters Electrical engineering. Electrical power engineering Exact sciences and technology Various equipment and components |
| title | Supercapacitors prepared from carbon nanofibers electrospun from polybenzimidazol |
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