Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries
An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented o...
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| Veröffentlicht in: | Electrochimica acta 2019-02, Vol.297, p.31-39 |
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| container_title | Electrochimica acta |
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| creator | Nia, Pooria Moozarm Abouzari-Lotf, Ebrahim Woi, Pei Meng Alias, Yatimah Ting, Teo Ming Ahmad, Arshad Che Jusoh, Nurfatehah Wahyuny |
| description | An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented outstanding electrochemical redox reversibility toward vanadium redox couple. Based on the cyclic voltammetry data and electrochemical impedance spectroscopy curves, the modified composite electrode possesses a huge amount of oxygen functional groups, high surface area, high electrical conductivity and excellent stability in compared to the pristine carbon felt electrode. The prepared electrode showed promising performance for vanadium redox flow battery as the energy efficiency was significantly enhanced by 12% at current density of 60 mA cm−2. This superior performance was probably due to the increase in the surface sites and fast electron transfer rate of the reduced graphene oxide. |
| doi_str_mv | 10.1016/j.electacta.2018.11.109 |
| format | Article |
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This superior performance was probably due to the increase in the surface sites and fast electron transfer rate of the reduced graphene oxide.</description><subject>Carbon</subject><subject>Electrical resistivity</subject><subject>Electrocatalyst</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electrodeposition</subject><subject>Electrodes</subject><subject>Electron transfer</subject><subject>Functional groups</subject><subject>Graphene</subject><subject>Nanocomposites</subject><subject>Rechargeable batteries</subject><subject>Reduced graphene oxide</subject><subject>Vanadium</subject><subject>Vanadium redox flow battery</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkE9rGzEQxUVJIY6bzxBBzutqduVd7TEE9w8YemnPYiyNbJn1ypVkx4Z--Ghx6bUwMAzz3hvpx9gTiAUIaD_vFzSQyVhqUQtQC4Cy6D-wGaiuqRq17O_YTAhoKtmq9p49pLQXQnRtJ2bsz2oyx2DpGJLPZHkkezKlbyMedzQSDxdviWPiyHd-uxuunJzzxtOYOY6WD-GtMiFlTrcogxmHa5ldiPyMI1p_Okyx4cJdEfMN5kzRU_rEPjocEj3-7XP268vq5-u3av3j6_fXl3VlGiVytZSGOmWhAWydbAhFecBmQwCmXbYSpa2lqZ0jVxsLspauxhY3UqJZ9laZZs6eb7nHGH6fKGW9D6c4lpO6BiVBiF7VRdXdVCaGlCI5fYz-gPGqQegJtd7rf6j1hFoDlEVfnC83J5VPnD1FnSY8haKPRa9t8P_NeAdhao-n</recordid><startdate>20190220</startdate><enddate>20190220</enddate><creator>Nia, Pooria Moozarm</creator><creator>Abouzari-Lotf, Ebrahim</creator><creator>Woi, Pei Meng</creator><creator>Alias, Yatimah</creator><creator>Ting, Teo Ming</creator><creator>Ahmad, Arshad</creator><creator>Che Jusoh, Nurfatehah Wahyuny</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><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>20190220</creationdate><title>Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries</title><author>Nia, Pooria Moozarm ; Abouzari-Lotf, Ebrahim ; Woi, Pei Meng ; Alias, Yatimah ; Ting, Teo Ming ; Ahmad, Arshad ; Che Jusoh, Nurfatehah Wahyuny</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-54ce78d131a6f43ea0effbbe11c6564a4d24c2ffef2cd1424f2a6ab44ac59d8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Carbon</topic><topic>Electrical resistivity</topic><topic>Electrocatalyst</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Electrodeposition</topic><topic>Electrodes</topic><topic>Electron transfer</topic><topic>Functional groups</topic><topic>Graphene</topic><topic>Nanocomposites</topic><topic>Rechargeable batteries</topic><topic>Reduced graphene oxide</topic><topic>Vanadium</topic><topic>Vanadium redox flow battery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nia, Pooria Moozarm</creatorcontrib><creatorcontrib>Abouzari-Lotf, Ebrahim</creatorcontrib><creatorcontrib>Woi, Pei Meng</creatorcontrib><creatorcontrib>Alias, Yatimah</creatorcontrib><creatorcontrib>Ting, Teo Ming</creatorcontrib><creatorcontrib>Ahmad, Arshad</creatorcontrib><creatorcontrib>Che Jusoh, Nurfatehah Wahyuny</creatorcontrib><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>Nia, Pooria Moozarm</au><au>Abouzari-Lotf, Ebrahim</au><au>Woi, Pei Meng</au><au>Alias, Yatimah</au><au>Ting, Teo Ming</au><au>Ahmad, Arshad</au><au>Che Jusoh, Nurfatehah Wahyuny</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries</atitle><jtitle>Electrochimica acta</jtitle><date>2019-02-20</date><risdate>2019</risdate><volume>297</volume><spage>31</spage><epage>39</epage><pages>31-39</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><abstract>An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented outstanding electrochemical redox reversibility toward vanadium redox couple. Based on the cyclic voltammetry data and electrochemical impedance spectroscopy curves, the modified composite electrode possesses a huge amount of oxygen functional groups, high surface area, high electrical conductivity and excellent stability in compared to the pristine carbon felt electrode. The prepared electrode showed promising performance for vanadium redox flow battery as the energy efficiency was significantly enhanced by 12% at current density of 60 mA cm−2. This superior performance was probably due to the increase in the surface sites and fast electron transfer rate of the reduced graphene oxide.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2018.11.109</doi><tpages>9</tpages></addata></record> |
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| ispartof | Electrochimica acta, 2019-02, Vol.297, p.31-39 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Carbon Electrical resistivity Electrocatalyst Electrochemical impedance spectroscopy Electrodeposition Electrodes Electron transfer Functional groups Graphene Nanocomposites Rechargeable batteries Reduced graphene oxide Vanadium Vanadium redox flow battery |
| title | Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
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