Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution
Pt–CeO2/C, Pt–TiO2/C, and Pt–ZrO2/C electrocatalysts were prepared by using a modified microwave‐assisted polyol process. Physical characterization was performed by using XRD, TEM, and EDX analyses. The incorporation of different metal oxides increased the dispersion degree of Pt nanoparticles and r...
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| Veröffentlicht in: | Chemphyschem 2016-04, Vol.17 (7), p.1054-1061 |
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| creator | Hameed, R. M. Abdel Amin, R. S. El-Khatib, K. M. Fetohi, Amani E. |
| description | Pt–CeO2/C, Pt–TiO2/C, and Pt–ZrO2/C electrocatalysts were prepared by using a modified microwave‐assisted polyol process. Physical characterization was performed by using XRD, TEM, and EDX analyses. The incorporation of different metal oxides increased the dispersion degree of Pt nanoparticles and reduced their diameter to 2.50 and 2.33 nm when TiO2 and ZrO2 were introduced to Pt/C, respectively. The electrocatalytic activity of various electrocatalysts was examined towards methanol oxidation in H2SO4 solution by using cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. Among the studied composites, Pt–ZrO2/C was selected to be a candidate electrocatalyst for better electrochemical performance in direct methanol fuel cells.
Let's get physical: The physical and electrochemical behavior of electrocatalysts based on Pt and different transition‐metal oxides (TiO2, CeO2, and ZrO2) are studied to develop a cheap and durable electrocatalyst for the methanol oxidation reaction. |
| doi_str_mv | 10.1002/cphc.201501072 |
| format | Article |
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Let's get physical: The physical and electrochemical behavior of electrocatalysts based on Pt and different transition‐metal oxides (TiO2, CeO2, and ZrO2) are studied to develop a cheap and durable electrocatalyst for the methanol oxidation reaction.</description><subject>acid medium</subject><subject>fuel cells</subject><subject>Metal oxides</subject><subject>methanol</subject><subject>Nanoparticles</subject><subject>Platinum</subject><subject>transition-metal oxides</subject><issn>1439-4235</issn><issn>1439-7641</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpd0c9PwyAUB3BiNP6-ejQkXrx08oBCe5zzx5boZqLGgweChSqza2dpdfvvpdncwRM8-DxC3hehEyA9IIReZPOPrEcJxASIpFtoHzhLIyk4bK_3nLJ4Dx14PyWEJETCLtqjQvJEUNhHr6MyL1pbZhZXOb63jS7wZOGM9bgq8UOhG1e2M9zPGvftmiVuqh9dG9_JD11WKxxQwK7EQ_o44dhXRdudHKGdXBfeHq_XQ_R8c_00GEZ3k9vRoH8XvTPBacRlwvIkyaUBbWNmNaWZBmNoaoUgVEAq0jcNNuY850Kw1CRMJ8bGBiRkJmOH6Hz17ryuvlrrGzVzPrNFoUtbtV6BlCmhAdNAz_7RadXWZfhdp8J0JMhOna5V-zazRs1rN9P1Uv2NLYB0BX5cYZebeyCqC0V1oahNKGrwMBxsqtAbrXqdb-xi06vrTyUkk7F6Gd8qQq8oXIZizH4B3bGNSw</recordid><startdate>20160404</startdate><enddate>20160404</enddate><creator>Hameed, R. M. Abdel</creator><creator>Amin, R. S.</creator><creator>El-Khatib, K. M.</creator><creator>Fetohi, Amani E.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>NPM</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>20160404</creationdate><title>Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution</title><author>Hameed, R. M. Abdel ; Amin, R. S. ; El-Khatib, K. M. ; Fetohi, Amani E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g3642-4783f88f7d1ae53ea22ca1dd29e660261969ba1e544f46639d83a8de5d171cdc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>acid medium</topic><topic>fuel cells</topic><topic>Metal oxides</topic><topic>methanol</topic><topic>Nanoparticles</topic><topic>Platinum</topic><topic>transition-metal oxides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hameed, R. M. Abdel</creatorcontrib><creatorcontrib>Amin, R. S.</creatorcontrib><creatorcontrib>El-Khatib, K. M.</creatorcontrib><creatorcontrib>Fetohi, Amani E.</creatorcontrib><collection>Istex</collection><collection>PubMed</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Chemphyschem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hameed, R. M. Abdel</au><au>Amin, R. S.</au><au>El-Khatib, K. M.</au><au>Fetohi, Amani E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution</atitle><jtitle>Chemphyschem</jtitle><addtitle>ChemPhysChem</addtitle><date>2016-04-04</date><risdate>2016</risdate><volume>17</volume><issue>7</issue><spage>1054</spage><epage>1061</epage><pages>1054-1061</pages><issn>1439-4235</issn><eissn>1439-7641</eissn><abstract>Pt–CeO2/C, Pt–TiO2/C, and Pt–ZrO2/C electrocatalysts were prepared by using a modified microwave‐assisted polyol process. Physical characterization was performed by using XRD, TEM, and EDX analyses. The incorporation of different metal oxides increased the dispersion degree of Pt nanoparticles and reduced their diameter to 2.50 and 2.33 nm when TiO2 and ZrO2 were introduced to Pt/C, respectively. The electrocatalytic activity of various electrocatalysts was examined towards methanol oxidation in H2SO4 solution by using cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. Among the studied composites, Pt–ZrO2/C was selected to be a candidate electrocatalyst for better electrochemical performance in direct methanol fuel cells.
Let's get physical: The physical and electrochemical behavior of electrocatalysts based on Pt and different transition‐metal oxides (TiO2, CeO2, and ZrO2) are studied to develop a cheap and durable electrocatalyst for the methanol oxidation reaction.</abstract><cop>Germany</cop><pub>Blackwell Publishing Ltd</pub><pmid>26748621</pmid><doi>10.1002/cphc.201501072</doi><tpages>8</tpages></addata></record> |
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| source | Wiley Journals |
| subjects | acid medium fuel cells Metal oxides methanol Nanoparticles Platinum transition-metal oxides |
| title | Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution |
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