High-Performance Supercapacitors Based on Poly(ionic liquid)-Modified Graphene Electrodes
We report a high-performance supercapacitor incorporating a poly(ionic liquid)-modified reduced graphene oxide (PIL:RG-O) electrode and an ionic liquid (IL) electrolyte (specifically, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide or EMIM-NTf2). PIL:RG-O provides enhanced compatibilit...
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| Veröffentlicht in: | ACS nano 2011-01, Vol.5 (1), p.436-442 |
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| container_title | ACS nano |
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| creator | Kim, Tae Young Lee, Hyun Wook Stoller, Meryl Dreyer, Daniel R Bielawski, Christopher W Ruoff, Rodney S Suh, Kwang S |
| description | We report a high-performance supercapacitor incorporating a poly(ionic liquid)-modified reduced graphene oxide (PIL:RG-O) electrode and an ionic liquid (IL) electrolyte (specifically, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide or EMIM-NTf2). PIL:RG-O provides enhanced compatibility with the IL electrolyte, thereby increasing the effective electrode surface area accessible to electrolyte ions. The supercapacitor assembled with PIL:RG-O electrode and EMIM-NTf2 electrolyte showed a stable electrochemical response up to 3.5 V operating voltage and was capable of yielding a maximum energy density of 6.5 W·h/kg with a power density of 2.4 kW/kg. These results demonstrate the potential of the PIL:RG-O material as an electrode in high-performance supercapacitors. |
| doi_str_mv | 10.1021/nn101968p |
| format | Article |
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PIL:RG-O provides enhanced compatibility with the IL electrolyte, thereby increasing the effective electrode surface area accessible to electrolyte ions. The supercapacitor assembled with PIL:RG-O electrode and EMIM-NTf2 electrolyte showed a stable electrochemical response up to 3.5 V operating voltage and was capable of yielding a maximum energy density of 6.5 W·h/kg with a power density of 2.4 kW/kg. These results demonstrate the potential of the PIL:RG-O material as an electrode in high-performance supercapacitors.</description><identifier>ISSN: 1936-0851</identifier><identifier>EISSN: 1936-086X</identifier><identifier>DOI: 10.1021/nn101968p</identifier><identifier>PMID: 21142183</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Electric Capacitance ; Electrochemistry ; Electrodes ; Graphite - chemistry ; Hydrazines - chemistry ; Imidazoles - chemistry ; Ionic Liquids - chemistry ; Models, Molecular ; Molecular Conformation ; Oxides - chemistry ; Polymers - chemistry ; Sulfonamides - chemistry ; Temperature</subject><ispartof>ACS nano, 2011-01, Vol.5 (1), p.436-442</ispartof><rights>Copyright © 2010 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a380t-6272ba22b7c84cc277384be7f83f6a39e1b3b108771bc711267d28938a0c839b3</citedby><cites>FETCH-LOGICAL-a380t-6272ba22b7c84cc277384be7f83f6a39e1b3b108771bc711267d28938a0c839b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/nn101968p$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/nn101968p$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21142183$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Tae Young</creatorcontrib><creatorcontrib>Lee, Hyun Wook</creatorcontrib><creatorcontrib>Stoller, Meryl</creatorcontrib><creatorcontrib>Dreyer, Daniel R</creatorcontrib><creatorcontrib>Bielawski, Christopher W</creatorcontrib><creatorcontrib>Ruoff, Rodney S</creatorcontrib><creatorcontrib>Suh, Kwang S</creatorcontrib><title>High-Performance Supercapacitors Based on Poly(ionic liquid)-Modified Graphene Electrodes</title><title>ACS nano</title><addtitle>ACS Nano</addtitle><description>We report a high-performance supercapacitor incorporating a poly(ionic liquid)-modified reduced graphene oxide (PIL:RG-O) electrode and an ionic liquid (IL) electrolyte (specifically, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide or EMIM-NTf2). PIL:RG-O provides enhanced compatibility with the IL electrolyte, thereby increasing the effective electrode surface area accessible to electrolyte ions. The supercapacitor assembled with PIL:RG-O electrode and EMIM-NTf2 electrolyte showed a stable electrochemical response up to 3.5 V operating voltage and was capable of yielding a maximum energy density of 6.5 W·h/kg with a power density of 2.4 kW/kg. These results demonstrate the potential of the PIL:RG-O material as an electrode in high-performance supercapacitors.</description><subject>Electric Capacitance</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Graphite - chemistry</subject><subject>Hydrazines - chemistry</subject><subject>Imidazoles - chemistry</subject><subject>Ionic Liquids - chemistry</subject><subject>Models, Molecular</subject><subject>Molecular Conformation</subject><subject>Oxides - chemistry</subject><subject>Polymers - chemistry</subject><subject>Sulfonamides - chemistry</subject><subject>Temperature</subject><issn>1936-0851</issn><issn>1936-086X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkM9LwzAUgIMobk4P_gPSi-gO1fzomvSoY27CxIEKeipJ-uoyuqRL2sP-eyubO3l6D97HB-9D6JLgO4IpubeWYJKloj5CfZKxNMYi_Tw-7CPSQ2chrDAeccHTU9SjhCSUCNZHXzPzvYwX4Evn19JqiN7aGryWtdSmcT5EjzJAETkbLVy1vTXOGh1VZtOaYhi_uMKUpjtPvayXYCGaVKAb7woI5-iklFWAi_0coI-nyft4Fs9fp8_jh3ksmcBNnFJOlaRUcS0SrSnnTCQKeClYmUqWAVFMESw4J0pzQmjKCyoyJiTWgmWKDdDNzlt7t2khNPnaBA1VJS24NuQi4QnrtFlHDnek9i4ED2Vee7OWfpsTnP-GzA8hO_Zqb23VGooD-VeuA653gNQhX7nW2-7Jf0Q_6qR5dg</recordid><startdate>20110125</startdate><enddate>20110125</enddate><creator>Kim, Tae Young</creator><creator>Lee, Hyun Wook</creator><creator>Stoller, Meryl</creator><creator>Dreyer, Daniel R</creator><creator>Bielawski, Christopher W</creator><creator>Ruoff, Rodney S</creator><creator>Suh, Kwang S</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20110125</creationdate><title>High-Performance Supercapacitors Based on Poly(ionic liquid)-Modified Graphene Electrodes</title><author>Kim, Tae Young ; Lee, Hyun Wook ; Stoller, Meryl ; Dreyer, Daniel R ; Bielawski, Christopher W ; Ruoff, Rodney S ; Suh, Kwang S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a380t-6272ba22b7c84cc277384be7f83f6a39e1b3b108771bc711267d28938a0c839b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Electric Capacitance</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Graphite - chemistry</topic><topic>Hydrazines - chemistry</topic><topic>Imidazoles - chemistry</topic><topic>Ionic Liquids - chemistry</topic><topic>Models, Molecular</topic><topic>Molecular Conformation</topic><topic>Oxides - chemistry</topic><topic>Polymers - chemistry</topic><topic>Sulfonamides - chemistry</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Tae Young</creatorcontrib><creatorcontrib>Lee, Hyun Wook</creatorcontrib><creatorcontrib>Stoller, Meryl</creatorcontrib><creatorcontrib>Dreyer, Daniel R</creatorcontrib><creatorcontrib>Bielawski, Christopher W</creatorcontrib><creatorcontrib>Ruoff, Rodney S</creatorcontrib><creatorcontrib>Suh, Kwang S</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>ACS nano</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Tae Young</au><au>Lee, Hyun Wook</au><au>Stoller, Meryl</au><au>Dreyer, Daniel R</au><au>Bielawski, Christopher W</au><au>Ruoff, Rodney S</au><au>Suh, Kwang S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-Performance Supercapacitors Based on Poly(ionic liquid)-Modified Graphene Electrodes</atitle><jtitle>ACS nano</jtitle><addtitle>ACS Nano</addtitle><date>2011-01-25</date><risdate>2011</risdate><volume>5</volume><issue>1</issue><spage>436</spage><epage>442</epage><pages>436-442</pages><issn>1936-0851</issn><eissn>1936-086X</eissn><abstract>We report a high-performance supercapacitor incorporating a poly(ionic liquid)-modified reduced graphene oxide (PIL:RG-O) electrode and an ionic liquid (IL) electrolyte (specifically, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide or EMIM-NTf2). PIL:RG-O provides enhanced compatibility with the IL electrolyte, thereby increasing the effective electrode surface area accessible to electrolyte ions. The supercapacitor assembled with PIL:RG-O electrode and EMIM-NTf2 electrolyte showed a stable electrochemical response up to 3.5 V operating voltage and was capable of yielding a maximum energy density of 6.5 W·h/kg with a power density of 2.4 kW/kg. These results demonstrate the potential of the PIL:RG-O material as an electrode in high-performance supercapacitors.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>21142183</pmid><doi>10.1021/nn101968p</doi><tpages>7</tpages></addata></record> |
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| subjects | Electric Capacitance Electrochemistry Electrodes Graphite - chemistry Hydrazines - chemistry Imidazoles - chemistry Ionic Liquids - chemistry Models, Molecular Molecular Conformation Oxides - chemistry Polymers - chemistry Sulfonamides - chemistry Temperature |
| title | High-Performance Supercapacitors Based on Poly(ionic liquid)-Modified Graphene Electrodes |
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