SnO^sub 2^-C supported PdNi nanoparticles for oxygen reduction and borohydride oxidation
Palladium-nickel nanoparticles supported on different tin oxide-carbon composites, namely PdNi/(SnO2-KB600), PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene), as well as on Vulcan XC-72 (PdNi/Vulcan), are prepared and characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and...
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| Veröffentlicht in: | Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2017-07, Vol.797, p.23 |
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| container_title | Journal of electroanalytical chemistry (Lausanne, Switzerland) |
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| creator | Šljukic, Biljana Martins, Marta Kayhan, Emine Balciunaite, Aldona Sener, Tansel Sequeira, César AC Santos, Diogo MF |
| description | Palladium-nickel nanoparticles supported on different tin oxide-carbon composites, namely PdNi/(SnO2-KB600), PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene), as well as on Vulcan XC-72 (PdNi/Vulcan), are prepared and characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM). The electrocatalytic activity of each material for the oxygen reduction reaction (ORR) and borohydride oxidation reaction (BOR) is studied in alkaline media by voltammetric techniques using rotating disk electrode (RDE) and rotating ring disk electrode (RRDE). ORR and BOR parameters, such as number of exchanged electrons, kinetic current density, Tafel slope and activation energy, are calculated. ORR n values at 0.2 V are close to 4 for PdNi/(SnO2-KB600) and PdNi/Vulcan, and close to 2 for PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene). BOR n values range from 1.9 for PdNi/(SnO2-graphene) to 3.4 for PdNi/(SnO2-KB300). The materials stability is examined by chronoamperometry. The obtained results show that PdNi nanoparticles anchored on SnO2-KB600 support are good electrocatalyst candidates for both ORR and BOR in alkaline media. |
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The electrocatalytic activity of each material for the oxygen reduction reaction (ORR) and borohydride oxidation reaction (BOR) is studied in alkaline media by voltammetric techniques using rotating disk electrode (RDE) and rotating ring disk electrode (RRDE). ORR and BOR parameters, such as number of exchanged electrons, kinetic current density, Tafel slope and activation energy, are calculated. ORR n values at 0.2 V are close to 4 for PdNi/(SnO2-KB600) and PdNi/Vulcan, and close to 2 for PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene). BOR n values range from 1.9 for PdNi/(SnO2-graphene) to 3.4 for PdNi/(SnO2-KB300). The materials stability is examined by chronoamperometry. The obtained results show that PdNi nanoparticles anchored on SnO2-KB600 support are good electrocatalyst candidates for both ORR and BOR in alkaline media.</description><identifier>ISSN: 1572-6657</identifier><identifier>EISSN: 1873-2569</identifier><language>eng</language><publisher>Amsterdam: Elsevier Science Ltd</publisher><subject>Borohydrides ; Electrodes ; Field emission microscopy ; Graphene ; Nanoparticles ; Oxidation ; Oxygen reduction reactions ; Palladium ; Rotating disks ; Rotation ; Scanning electron microscopy ; Tin dioxide ; Tin oxides ; Transmission electron microscopy ; Voltammetry ; X-ray diffraction</subject><ispartof>Journal of electroanalytical chemistry (Lausanne, Switzerland), 2017-07, Vol.797, p.23</ispartof><rights>Copyright Elsevier Science Ltd. Jul 15, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Šljukic, Biljana</creatorcontrib><creatorcontrib>Martins, Marta</creatorcontrib><creatorcontrib>Kayhan, Emine</creatorcontrib><creatorcontrib>Balciunaite, Aldona</creatorcontrib><creatorcontrib>Sener, Tansel</creatorcontrib><creatorcontrib>Sequeira, César AC</creatorcontrib><creatorcontrib>Santos, Diogo MF</creatorcontrib><title>SnO^sub 2^-C supported PdNi nanoparticles for oxygen reduction and borohydride oxidation</title><title>Journal of electroanalytical chemistry (Lausanne, Switzerland)</title><description>Palladium-nickel nanoparticles supported on different tin oxide-carbon composites, namely PdNi/(SnO2-KB600), PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene), as well as on Vulcan XC-72 (PdNi/Vulcan), are prepared and characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM). The electrocatalytic activity of each material for the oxygen reduction reaction (ORR) and borohydride oxidation reaction (BOR) is studied in alkaline media by voltammetric techniques using rotating disk electrode (RDE) and rotating ring disk electrode (RRDE). ORR and BOR parameters, such as number of exchanged electrons, kinetic current density, Tafel slope and activation energy, are calculated. ORR n values at 0.2 V are close to 4 for PdNi/(SnO2-KB600) and PdNi/Vulcan, and close to 2 for PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene). BOR n values range from 1.9 for PdNi/(SnO2-graphene) to 3.4 for PdNi/(SnO2-KB300). The materials stability is examined by chronoamperometry. The obtained results show that PdNi nanoparticles anchored on SnO2-KB600 support are good electrocatalyst candidates for both ORR and BOR in alkaline media.</description><subject>Borohydrides</subject><subject>Electrodes</subject><subject>Field emission microscopy</subject><subject>Graphene</subject><subject>Nanoparticles</subject><subject>Oxidation</subject><subject>Oxygen reduction reactions</subject><subject>Palladium</subject><subject>Rotating disks</subject><subject>Rotation</subject><subject>Scanning electron microscopy</subject><subject>Tin dioxide</subject><subject>Tin oxides</subject><subject>Transmission electron microscopy</subject><subject>Voltammetry</subject><subject>X-ray diffraction</subject><issn>1572-6657</issn><issn>1873-2569</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNit0KgjAYQEcUZD_v8EHXA5uo61qKriqoi66U6WZNZJ9tDvLtM-gBujoHzpmQYMvTiLI42U1Hj1NGkyRO52ThXBOGjPMtC8j9as658yWwnGbgfNeh7ZWEizxpMMJgJ2yvq1Y5qNECvoeHMmCV9FWv0YAwEkq0-Byk1VKNg5biW1ZkVovWqfWPS7I57G_ZkXYWX165vmjQWzOmgoUp5yxKOI_-uz68u0Oh</recordid><startdate>20170715</startdate><enddate>20170715</enddate><creator>Šljukic, Biljana</creator><creator>Martins, Marta</creator><creator>Kayhan, Emine</creator><creator>Balciunaite, Aldona</creator><creator>Sener, Tansel</creator><creator>Sequeira, César AC</creator><creator>Santos, Diogo MF</creator><general>Elsevier Science Ltd</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20170715</creationdate><title>SnO^sub 2^-C supported PdNi nanoparticles for oxygen reduction and borohydride oxidation</title><author>Šljukic, Biljana ; Martins, Marta ; Kayhan, Emine ; Balciunaite, Aldona ; Sener, Tansel ; Sequeira, César AC ; Santos, Diogo MF</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20788236883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Borohydrides</topic><topic>Electrodes</topic><topic>Field emission microscopy</topic><topic>Graphene</topic><topic>Nanoparticles</topic><topic>Oxidation</topic><topic>Oxygen reduction reactions</topic><topic>Palladium</topic><topic>Rotating disks</topic><topic>Rotation</topic><topic>Scanning electron microscopy</topic><topic>Tin dioxide</topic><topic>Tin oxides</topic><topic>Transmission electron microscopy</topic><topic>Voltammetry</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Šljukic, Biljana</creatorcontrib><creatorcontrib>Martins, Marta</creatorcontrib><creatorcontrib>Kayhan, Emine</creatorcontrib><creatorcontrib>Balciunaite, Aldona</creatorcontrib><creatorcontrib>Sener, Tansel</creatorcontrib><creatorcontrib>Sequeira, César AC</creatorcontrib><creatorcontrib>Santos, Diogo MF</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of electroanalytical chemistry (Lausanne, Switzerland)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Šljukic, Biljana</au><au>Martins, Marta</au><au>Kayhan, Emine</au><au>Balciunaite, Aldona</au><au>Sener, Tansel</au><au>Sequeira, César AC</au><au>Santos, Diogo MF</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SnO^sub 2^-C supported PdNi nanoparticles for oxygen reduction and borohydride oxidation</atitle><jtitle>Journal of electroanalytical chemistry (Lausanne, Switzerland)</jtitle><date>2017-07-15</date><risdate>2017</risdate><volume>797</volume><spage>23</spage><pages>23-</pages><issn>1572-6657</issn><eissn>1873-2569</eissn><abstract>Palladium-nickel nanoparticles supported on different tin oxide-carbon composites, namely PdNi/(SnO2-KB600), PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene), as well as on Vulcan XC-72 (PdNi/Vulcan), are prepared and characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM). The electrocatalytic activity of each material for the oxygen reduction reaction (ORR) and borohydride oxidation reaction (BOR) is studied in alkaline media by voltammetric techniques using rotating disk electrode (RDE) and rotating ring disk electrode (RRDE). ORR and BOR parameters, such as number of exchanged electrons, kinetic current density, Tafel slope and activation energy, are calculated. ORR n values at 0.2 V are close to 4 for PdNi/(SnO2-KB600) and PdNi/Vulcan, and close to 2 for PdNi/(SnO2-KB300) and PdNi/(SnO2-graphene). BOR n values range from 1.9 for PdNi/(SnO2-graphene) to 3.4 for PdNi/(SnO2-KB300). The materials stability is examined by chronoamperometry. The obtained results show that PdNi nanoparticles anchored on SnO2-KB600 support are good electrocatalyst candidates for both ORR and BOR in alkaline media.</abstract><cop>Amsterdam</cop><pub>Elsevier Science Ltd</pub></addata></record> |
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| ispartof | Journal of electroanalytical chemistry (Lausanne, Switzerland), 2017-07, Vol.797, p.23 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Borohydrides Electrodes Field emission microscopy Graphene Nanoparticles Oxidation Oxygen reduction reactions Palladium Rotating disks Rotation Scanning electron microscopy Tin dioxide Tin oxides Transmission electron microscopy Voltammetry X-ray diffraction |
| title | SnO^sub 2^-C supported PdNi nanoparticles for oxygen reduction and borohydride oxidation |
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