DC Field | Value | Language |
---|---|---|
dc.contributor.author | Xiang, Feng | ko |
dc.contributor.author | Zhong, Jing | ko |
dc.contributor.author | Gu, Ningyu | ko |
dc.contributor.author | Mukherjee, Rahul | ko |
dc.contributor.author | Oh, Il-Kwon | ko |
dc.contributor.author | Koratkar, Nikhil | ko |
dc.contributor.author | Yang, Zhenyu | ko |
dc.date.accessioned | 2014-09-01T07:29:13Z | - |
dc.date.available | 2014-09-01T07:29:13Z | - |
dc.date.created | 2014-07-07 | - |
dc.date.created | 2014-07-07 | - |
dc.date.created | 2014-07-07 | - |
dc.date.issued | 2014-08 | - |
dc.identifier.citation | CARBON, v.75, pp.201 - 208 | - |
dc.identifier.issn | 0008-6223 | - |
dc.identifier.uri | http://hdl.handle.net/10203/189268 | - |
dc.description.abstract | We report a novel far-infrared (FIR) thermal reduction process to effectively reduce graphene oxide films for supercapacitor electrode applications. The binder-free graphene oxide films used in this study were produced by electro-spray deposition of a graphene oxide colloidal solution onto stainless steel current collectors. The reduction of graphene oxide was performed using a commercial FIR convection oven that is ubiquitous in homes for cooking and heating food. The reduction process incorporated a simple, one-step FIR irradiation carried out in ambient air. Further, the FIR irradiation process was completed in similar to 3 min, wherein neither special atmosphere nor high temperature was employed, resulting in an economic, efficient and simplified processing technique. The as-produced FIR graphene electrode gave a specific capacitance of similar to 320 F/g at a current density of similar to 0.2 A/g with less than 94% loss in specific capacitance over 10,000 charge/discharge cycles. This is one of the best specific capacitances reported for all-carbon electrodes without any additives. Even at ultrafast charge/discharge rates (current densities as high as similar to 100 A/g), the FIR graphene electrode still delivered specific capacitances in excess of 90 F/g. The measured energy and power densities of the FIR supercapacitors were found to be similar to 3-6 times higher than commercial (activated carbon) supercapacitor devices. This excellent electrochemical performance of the FIR graphene coupled with its ease of production (in air at low temperatures) using a commercial home-use FIR convection oven indicates the significant potential of this concept for large-scale commercial electrochemical supercapacitor applications. | - |
dc.language | English | - |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD | - |
dc.title | Far-infrared reduced graphene oxide as high performance electrodes for supercapacitors | - |
dc.type | Article | - |
dc.identifier.wosid | 000336877600017 | - |
dc.identifier.scopusid | 2-s2.0-84900828315 | - |
dc.type.rims | ART | - |
dc.citation.volume | 75 | - |
dc.citation.beginningpage | 201 | - |
dc.citation.endingpage | 208 | - |
dc.citation.publicationname | CARBON | - |
dc.identifier.doi | 10.1016/j.carbon.2014.03.053 | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Oh, Il-Kwon | - |
dc.contributor.nonIdAuthor | Xiang, Feng | - |
dc.contributor.nonIdAuthor | Zhong, Jing | - |
dc.contributor.nonIdAuthor | Gu, Ningyu | - |
dc.contributor.nonIdAuthor | Mukherjee, Rahul | - |
dc.contributor.nonIdAuthor | Koratkar, Nikhil | - |
dc.contributor.nonIdAuthor | Yang, Zhenyu | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | LITHIUM-ION BATTERIES | - |
dc.subject.keywordPlus | ELECTROCHEMICAL CAPACITORS | - |
dc.subject.keywordPlus | GRAPHITE OXIDE | - |
dc.subject.keywordPlus | SOLVOTHERMAL REDUCTION | - |
dc.subject.keywordPlus | CHEMICAL-REDUCTION | - |
dc.subject.keywordPlus | CARBON | - |
dc.subject.keywordPlus | DEVICES | - |
dc.subject.keywordPlus | NANOSHEETS | - |
dc.subject.keywordPlus | SHEETS | - |
dc.subject.keywordPlus | FILMS | - |
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