Ideal asymmetric supercapacitors consisting of polyaniline nanofibers and graphene nanosheets with proper complementary potential windows
Polyaniline (PANI) nanofibers are synthesized via a chemical method of rapid mixing for the application of asymmetric supercapacitors. The diameter and aspect ratio of PANI nanofibers is found to be controllable by varying the aniline/oxidant concentration ratio. The ideal capacitive responses of PA...
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| Veröffentlicht in: | Electrochimica acta 2010-08, Vol.55 (20), p.6015-6021 |
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| container_end_page | 6021 |
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| container_issue | 20 |
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| container_title | Electrochimica acta |
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| creator | Hung, Pei-Jan Chang, Kuo-Hsin Lee, Ying-Feng Hu, Chi-Chang Lin, Kuo-Min |
| description | Polyaniline (PANI) nanofibers are synthesized via a chemical method of rapid mixing for the application of asymmetric supercapacitors. The diameter and aspect ratio of PANI nanofibers is found to be controllable by varying the aniline/oxidant concentration ratio. The ideal capacitive responses of PANI nanofibers between 0.2 and 0.7
V (vs. Ag/AgCl) in concentrated acidic media are demonstrated by cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) analyses coupled with a schematic equivalent-circuit model. The morphologies and textures of nanofibers are examined by scanning electron microscopic (SEM), transmission electron microscopic (TEM) and Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopic analyses. An aqueous asymmetric supercapacitor, consisting of a PANI nanofiber cathode and a graphene anode, with proper complementary potential windows is demonstrated in this work, which shows the device energy and power densities of 4.86
Wh
kg
−1 and 8.75
kW
kg
−1, respectively. |
| doi_str_mv | 10.1016/j.electacta.2010.05.058 |
| format | Article |
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V (vs. Ag/AgCl) in concentrated acidic media are demonstrated by cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) analyses coupled with a schematic equivalent-circuit model. The morphologies and textures of nanofibers are examined by scanning electron microscopic (SEM), transmission electron microscopic (TEM) and Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopic analyses. An aqueous asymmetric supercapacitor, consisting of a PANI nanofiber cathode and a graphene anode, with proper complementary potential windows is demonstrated in this work, which shows the device energy and power densities of 4.86
Wh
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−1 and 8.75
kW
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V (vs. Ag/AgCl) in concentrated acidic media are demonstrated by cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) analyses coupled with a schematic equivalent-circuit model. The morphologies and textures of nanofibers are examined by scanning electron microscopic (SEM), transmission electron microscopic (TEM) and Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopic analyses. An aqueous asymmetric supercapacitor, consisting of a PANI nanofiber cathode and a graphene anode, with proper complementary potential windows is demonstrated in this work, which shows the device energy and power densities of 4.86
Wh
kg
−1 and 8.75
kW
kg
−1, respectively.</description><subject>Applied sciences</subject><subject>Asymmetric</subject><subject>Asymmetry</subject><subject>Capacitors</subject><subject>Capacitors. Resistors. Filters</subject><subject>Diameter</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Graphene</subject><subject>Nanofibers</subject><subject>Nanostructure</subject><subject>Polyaniline nanofibers</subject><subject>Scanning electron microscopy</subject><subject>Supercapacitor</subject><subject>Supercapacitors</subject><subject>Texture</subject><subject>Various equipment and components</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFUMFq3DAQNaWBbJN-Q3wpPXk7smxLewyhTQOBXpKzGMvjrBZbcjXaLvsJ_etq2SXXwgOJx5v3Zl5R3AlYCxDdt92aJrIJM9Y1ZBbaDP2hWAmtZCV1u_lYrACErJpOd9fFJ-YdAKhOwar4-zQQTiXycZ4pRWdL3i8ULS5oXQqRSxs8O07Ov5VhLJcwHdG7yXkqPfowup6yCP1QvkVctnTheUuUuDy4tC2XGLJlNpqXiWbyCeMxG6X8czn74PwQDnxbXI04MX2-vDfF64_vLw8_q-dfj08P98-VlUqlijpdY980nRCDAtg0DQnY1E0mxSCttXpEMWDf90IoKyXWJKkFoZqBegIlb4qvZ9-81u89cTKzY0vThJ7Cno1qZad1A11WqrPSxsAcaTRLdHNe3ggwp-7Nzrx3b07dG2gzdJ78cslAtjiNEb11_D5eS6h1154S7s86ygf_cRQNW0fe0uBi9jVDcP_N-gcvCqOx</recordid><startdate>20100801</startdate><enddate>20100801</enddate><creator>Hung, Pei-Jan</creator><creator>Chang, Kuo-Hsin</creator><creator>Lee, Ying-Feng</creator><creator>Hu, Chi-Chang</creator><creator>Lin, Kuo-Min</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20100801</creationdate><title>Ideal asymmetric supercapacitors consisting of polyaniline nanofibers and graphene nanosheets with proper complementary potential windows</title><author>Hung, Pei-Jan ; Chang, Kuo-Hsin ; Lee, Ying-Feng ; Hu, Chi-Chang ; Lin, Kuo-Min</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-e682ab44611d700944e109242ab1d3ccc8fa1dabbb117c33a2e3e50174debe073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Asymmetric</topic><topic>Asymmetry</topic><topic>Capacitors</topic><topic>Capacitors. Resistors. Filters</topic><topic>Diameter</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Graphene</topic><topic>Nanofibers</topic><topic>Nanostructure</topic><topic>Polyaniline nanofibers</topic><topic>Scanning electron microscopy</topic><topic>Supercapacitor</topic><topic>Supercapacitors</topic><topic>Texture</topic><topic>Various equipment and components</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hung, Pei-Jan</creatorcontrib><creatorcontrib>Chang, Kuo-Hsin</creatorcontrib><creatorcontrib>Lee, Ying-Feng</creatorcontrib><creatorcontrib>Hu, Chi-Chang</creatorcontrib><creatorcontrib>Lin, Kuo-Min</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hung, Pei-Jan</au><au>Chang, Kuo-Hsin</au><au>Lee, Ying-Feng</au><au>Hu, Chi-Chang</au><au>Lin, Kuo-Min</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ideal asymmetric supercapacitors consisting of polyaniline nanofibers and graphene nanosheets with proper complementary potential windows</atitle><jtitle>Electrochimica acta</jtitle><date>2010-08-01</date><risdate>2010</risdate><volume>55</volume><issue>20</issue><spage>6015</spage><epage>6021</epage><pages>6015-6021</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>Polyaniline (PANI) nanofibers are synthesized via a chemical method of rapid mixing for the application of asymmetric supercapacitors. The diameter and aspect ratio of PANI nanofibers is found to be controllable by varying the aniline/oxidant concentration ratio. The ideal capacitive responses of PANI nanofibers between 0.2 and 0.7
V (vs. Ag/AgCl) in concentrated acidic media are demonstrated by cyclic voltammetric (CV) and electrochemical impedance spectroscopic (EIS) analyses coupled with a schematic equivalent-circuit model. The morphologies and textures of nanofibers are examined by scanning electron microscopic (SEM), transmission electron microscopic (TEM) and Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectroscopic analyses. An aqueous asymmetric supercapacitor, consisting of a PANI nanofiber cathode and a graphene anode, with proper complementary potential windows is demonstrated in this work, which shows the device energy and power densities of 4.86
Wh
kg
−1 and 8.75
kW
kg
−1, respectively.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2010.05.058</doi><tpages>7</tpages></addata></record> |
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| subjects | Applied sciences Asymmetric Asymmetry Capacitors Capacitors. Resistors. Filters Diameter Electrical engineering. Electrical power engineering Exact sciences and technology Graphene Nanofibers Nanostructure Polyaniline nanofibers Scanning electron microscopy Supercapacitor Supercapacitors Texture Various equipment and components |
| title | Ideal asymmetric supercapacitors consisting of polyaniline nanofibers and graphene nanosheets with proper complementary potential windows |
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