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High capacitance properties of polyaniline by electrochemical deposition on a porous carbon substrate
Electrochemical deposition of polyaniline (PANI) is carried out on a porous carbon substrate for supercapacitor studies. The effect of substrate is studied by comparing the results obtained using platinum, stainless steel and porous carbon substrates. PANI deposited at 100 mV s −1 sweep rate by pote...
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| Published in: | Electrochimica acta 2007-02, Vol.52 (9), p.3258-3264 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c376t-79a4af4bafc87a68d21b3dafcfe3c4694bd87e1320c222a3fe6d7d02dd9a13d83 |
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| cites | cdi_FETCH-LOGICAL-c376t-79a4af4bafc87a68d21b3dafcfe3c4694bd87e1320c222a3fe6d7d02dd9a13d83 |
| container_end_page | 3264 |
| container_issue | 9 |
| container_start_page | 3258 |
| container_title | Electrochimica acta |
| container_volume | 52 |
| creator | Mondal, S.K. Barai, Keshab Munichandraiah, N. |
| description | Electrochemical deposition of polyaniline (PANI) is carried out on a porous carbon substrate for supercapacitor studies. The effect of substrate is studied by comparing the results obtained using platinum, stainless steel and porous carbon substrates. PANI deposited at 100
mV
s
−1 sweep rate by potentiodynamic technique on porous carbon substrate is found to possess superior capacitance properties. Experimental variables, namely, concentrations of aniline monomer and H
2SO
4 supporting electrolyte are varied and arrived at the optimum concentrations to obtain a maximum capacitance of PANI. Low concentrations of both aniline and H
2SO
4, which produce PANI at low rates, are desirable. The PANI deposits prepared under these conditions possess network morphology of nanofibrils. Capacitance values as high as 1600
F
g
−1 are obtained and PANI coated carbon electrodes facilitate charge–discharge current densities as high as 45
mA
cm
−2 (19.8
A
g
−1). Electrodes are found to be fairly stable over a long cycle-life, although there is some capacitance loss during the initial stages of cycling. |
| doi_str_mv | 10.1016/j.electacta.2006.09.067 |
| format | article |
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mV
s
−1 sweep rate by potentiodynamic technique on porous carbon substrate is found to possess superior capacitance properties. Experimental variables, namely, concentrations of aniline monomer and H
2SO
4 supporting electrolyte are varied and arrived at the optimum concentrations to obtain a maximum capacitance of PANI. Low concentrations of both aniline and H
2SO
4, which produce PANI at low rates, are desirable. The PANI deposits prepared under these conditions possess network morphology of nanofibrils. Capacitance values as high as 1600
F
g
−1 are obtained and PANI coated carbon electrodes facilitate charge–discharge current densities as high as 45
mA
cm
−2 (19.8
A
g
−1). Electrodes are found to be fairly stable over a long cycle-life, although there is some capacitance loss during the initial stages of cycling.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2006.09.067</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Capacitors. Resistors. Filters ; Electrical engineering. Electrical power engineering ; Exact sciences and technology ; Polyaniline ; Polymer morphology ; Potentiodynamic polymerization ; Specific capacitance ; Substrate effect ; Various equipment and components</subject><ispartof>Electrochimica acta, 2007-02, Vol.52 (9), p.3258-3264</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-79a4af4bafc87a68d21b3dafcfe3c4694bd87e1320c222a3fe6d7d02dd9a13d83</citedby><cites>FETCH-LOGICAL-c376t-79a4af4bafc87a68d21b3dafcfe3c4694bd87e1320c222a3fe6d7d02dd9a13d83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18518258$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Mondal, S.K.</creatorcontrib><creatorcontrib>Barai, Keshab</creatorcontrib><creatorcontrib>Munichandraiah, N.</creatorcontrib><title>High capacitance properties of polyaniline by electrochemical deposition on a porous carbon substrate</title><title>Electrochimica acta</title><description>Electrochemical deposition of polyaniline (PANI) is carried out on a porous carbon substrate for supercapacitor studies. The effect of substrate is studied by comparing the results obtained using platinum, stainless steel and porous carbon substrates. PANI deposited at 100
mV
s
−1 sweep rate by potentiodynamic technique on porous carbon substrate is found to possess superior capacitance properties. Experimental variables, namely, concentrations of aniline monomer and H
2SO
4 supporting electrolyte are varied and arrived at the optimum concentrations to obtain a maximum capacitance of PANI. Low concentrations of both aniline and H
2SO
4, which produce PANI at low rates, are desirable. The PANI deposits prepared under these conditions possess network morphology of nanofibrils. Capacitance values as high as 1600
F
g
−1 are obtained and PANI coated carbon electrodes facilitate charge–discharge current densities as high as 45
mA
cm
−2 (19.8
A
g
−1). Electrodes are found to be fairly stable over a long cycle-life, although there is some capacitance loss during the initial stages of cycling.</description><subject>Applied sciences</subject><subject>Capacitors. Resistors. Filters</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Polyaniline</subject><subject>Polymer morphology</subject><subject>Potentiodynamic polymerization</subject><subject>Specific capacitance</subject><subject>Substrate effect</subject><subject>Various equipment and components</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouH78BnvRW2s-ukl6XBZ1BcGLnsM0mWqWblOTrrD_3qwrehQGhoF33nfmIeSK0YpRJm_XFfZoJ8hVcUplRZuKSnVEZkwrUQo9b47JjFImylpqeUrOUlpTSpVUdEZw5d_eCwsjWD_BYLEYYxgxTh5TEbpiDP0OBt_7AYt2V3xHxWDfceMt9IXDMSQ_-TAUuSDLY9im7BfbPKdtm6YIE16Qkw76hJc__Zy83t-9LFfl0_PD43LxVFqh5FSqBmro6hY6qxVI7ThrhctTh8LWsqlbpxUywanlnIPoUDrlKHeuASacFufk5uCbn_jYYprMxieLfQ8D5rsMb6Sai7rOQnUQ2hhSitiZMfoNxJ1h1OyxmrX5xWr2WA1tTMaaN69_IiBlAl3M0Hz6W9dzpvl8f8rioMP876fHaJL1mAE7H7OvccH_m_UFlDyViw</recordid><startdate>20070215</startdate><enddate>20070215</enddate><creator>Mondal, S.K.</creator><creator>Barai, Keshab</creator><creator>Munichandraiah, N.</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>20070215</creationdate><title>High capacitance properties of polyaniline by electrochemical deposition on a porous carbon substrate</title><author>Mondal, S.K. ; Barai, Keshab ; Munichandraiah, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-79a4af4bafc87a68d21b3dafcfe3c4694bd87e1320c222a3fe6d7d02dd9a13d83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Capacitors. Resistors. Filters</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Polyaniline</topic><topic>Polymer morphology</topic><topic>Potentiodynamic polymerization</topic><topic>Specific capacitance</topic><topic>Substrate effect</topic><topic>Various equipment and components</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mondal, S.K.</creatorcontrib><creatorcontrib>Barai, Keshab</creatorcontrib><creatorcontrib>Munichandraiah, N.</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>Mondal, S.K.</au><au>Barai, Keshab</au><au>Munichandraiah, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High capacitance properties of polyaniline by electrochemical deposition on a porous carbon substrate</atitle><jtitle>Electrochimica acta</jtitle><date>2007-02-15</date><risdate>2007</risdate><volume>52</volume><issue>9</issue><spage>3258</spage><epage>3264</epage><pages>3258-3264</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><notes>ObjectType-Article-2</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-1</notes><notes>content type line 23</notes><abstract>Electrochemical deposition of polyaniline (PANI) is carried out on a porous carbon substrate for supercapacitor studies. The effect of substrate is studied by comparing the results obtained using platinum, stainless steel and porous carbon substrates. PANI deposited at 100
mV
s
−1 sweep rate by potentiodynamic technique on porous carbon substrate is found to possess superior capacitance properties. Experimental variables, namely, concentrations of aniline monomer and H
2SO
4 supporting electrolyte are varied and arrived at the optimum concentrations to obtain a maximum capacitance of PANI. Low concentrations of both aniline and H
2SO
4, which produce PANI at low rates, are desirable. The PANI deposits prepared under these conditions possess network morphology of nanofibrils. Capacitance values as high as 1600
F
g
−1 are obtained and PANI coated carbon electrodes facilitate charge–discharge current densities as high as 45
mA
cm
−2 (19.8
A
g
−1). Electrodes are found to be fairly stable over a long cycle-life, although there is some capacitance loss during the initial stages of cycling.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2006.09.067</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0013-4686 |
| ispartof | Electrochimica acta, 2007-02, Vol.52 (9), p.3258-3264 |
| issn | 0013-4686 1873-3859 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29675344 |
| source | ScienceDirect Freedom Collection |
| subjects | Applied sciences Capacitors. Resistors. Filters Electrical engineering. Electrical power engineering Exact sciences and technology Polyaniline Polymer morphology Potentiodynamic polymerization Specific capacitance Substrate effect Various equipment and components |
| title | High capacitance properties of polyaniline by electrochemical deposition on a porous carbon substrate |
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