Hydrogen production through NaBH sub(4 hydrolysis over supported Ru catalysts: An insight on the effect of the support and the ruthenium precursor)
The NaBH sub(4 hydrolysis over Ru catalysts on different supports was here investigated. It was found that the support has a strong effect on the catalytic activity which was found to be in the order: Ru/activated carbon >> Ru/CeO) sub(2) > Ru/TiO sub(2 > Ru/[gamma]-Al) sub(2)O sub(3. On...
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| Veröffentlicht in: | International journal of hydrogen energy 2011-03, Vol.36 (6), p.3817-3826 |
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| container_title | International journal of hydrogen energy |
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| creator | Crisafulli, Carmelo Scire, Salvatore Salanitri, Marco Zito, Roberta Calamia, Stefania |
| description | The NaBH sub(4 hydrolysis over Ru catalysts on different supports was here investigated. It was found that the support has a strong effect on the catalytic activity which was found to be in the order: Ru/activated carbon >> Ru/CeO) sub(2) > Ru/TiO sub(2 > Ru/[gamma]-Al) sub(2)O sub(3. On the most active system, namely Ru/activated carbon, the effect of the Ru loading and the metal precursor (RuCl) sub(3) and Ru(NO)(NO sub(3)) sub(3)) was studied in more detail. Tests carried out with and without temperature control demonstrated that, for each precursor, the activity increases on increasing the Ru content. Moreover samples prepared by RuCl sub(3 were more active than the corresponding ones prepared by Ru(NO)(NO) sub(3)) sub(3. Characterization data, namely CO chemisorption and TEM analysis, point out that the Ru particles size is strongly affected from the Ru precursor used, Ru(NO)(NO) sub(3)) sub(3 resulting in very small Ru particles (diameter < 1 nm), RuCl) sub(3) leading to Ru nanoparticles with average diameter of 2.4 nm. This latter size was found to be appropriate for the NaBH sub(4 hydrolysis reaction, which is proposed to be a structure sensitive reaction.) |
| doi_str_mv | 10.1016/j.ijhydene.2010.12.089 |
| format | Article |
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It was found that the support has a strong effect on the catalytic activity which was found to be in the order: Ru/activated carbon >> Ru/CeO) sub(2) > Ru/TiO sub(2 > Ru/[gamma]-Al) sub(2)O sub(3. On the most active system, namely Ru/activated carbon, the effect of the Ru loading and the metal precursor (RuCl) sub(3) and Ru(NO)(NO sub(3)) sub(3)) was studied in more detail. Tests carried out with and without temperature control demonstrated that, for each precursor, the activity increases on increasing the Ru content. Moreover samples prepared by RuCl sub(3 were more active than the corresponding ones prepared by Ru(NO)(NO) sub(3)) sub(3. Characterization data, namely CO chemisorption and TEM analysis, point out that the Ru particles size is strongly affected from the Ru precursor used, Ru(NO)(NO) sub(3)) sub(3 resulting in very small Ru particles (diameter < 1 nm), RuCl) sub(3) leading to Ru nanoparticles with average diameter of 2.4 nm. 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It was found that the support has a strong effect on the catalytic activity which was found to be in the order: Ru/activated carbon >> Ru/CeO) sub(2) > Ru/TiO sub(2 > Ru/[gamma]-Al) sub(2)O sub(3. On the most active system, namely Ru/activated carbon, the effect of the Ru loading and the metal precursor (RuCl) sub(3) and Ru(NO)(NO sub(3)) sub(3)) was studied in more detail. Tests carried out with and without temperature control demonstrated that, for each precursor, the activity increases on increasing the Ru content. Moreover samples prepared by RuCl sub(3 were more active than the corresponding ones prepared by Ru(NO)(NO) sub(3)) sub(3. Characterization data, namely CO chemisorption and TEM analysis, point out that the Ru particles size is strongly affected from the Ru precursor used, Ru(NO)(NO) sub(3)) sub(3 resulting in very small Ru particles (diameter < 1 nm), RuCl) sub(3) leading to Ru nanoparticles with average diameter of 2.4 nm. This latter size was found to be appropriate for the NaBH sub(4 hydrolysis reaction, which is proposed to be a structure sensitive reaction.)</description><subject>Activated carbon</subject><subject>Active control</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Chemisorption</subject><subject>Hydrolysis</subject><subject>Nanoparticles</subject><subject>Precursors</subject><subject>Titanium dioxide</subject><issn>0360-3199</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqNjk1OwzAQhb0AiUK5ApodsGhwfpTG7ABRZcUCdV-ZZBI7Su3gsZFyDi6MG_UAbGb0vXnzZhi7S3mS8rR8GhI9qLlFg0nGT2KW8EpcsBXPS77JUyGu2DXRwHm65YVYsd96bp3t0cDkbBsar60Br5wNvYIP-VoDha-HAtTJNs6kCewPuqhOk3UeW_gM0Egv48zTM7wY0IZ0rzwsQQjYddhE6hY674E07cIuxGp0OMb72ARH1j2u2WUnR8Lbc79h97v3_Vu9iS9-ByR_OGpqcBylQRvoUJWi4ttCZPn_nX9rBGMh</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Crisafulli, Carmelo</creator><creator>Scire, Salvatore</creator><creator>Salanitri, Marco</creator><creator>Zito, Roberta</creator><creator>Calamia, Stefania</creator><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20110301</creationdate><title>Hydrogen production through NaBH sub(4 hydrolysis over supported Ru catalysts: An insight on the effect of the support and the ruthenium precursor)</title><author>Crisafulli, Carmelo ; Scire, Salvatore ; Salanitri, Marco ; Zito, Roberta ; Calamia, Stefania</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_miscellaneous_8698074923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Activated carbon</topic><topic>Active control</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Chemisorption</topic><topic>Hydrolysis</topic><topic>Nanoparticles</topic><topic>Precursors</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Crisafulli, Carmelo</creatorcontrib><creatorcontrib>Scire, Salvatore</creatorcontrib><creatorcontrib>Salanitri, Marco</creatorcontrib><creatorcontrib>Zito, Roberta</creatorcontrib><creatorcontrib>Calamia, Stefania</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of hydrogen energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Crisafulli, Carmelo</au><au>Scire, Salvatore</au><au>Salanitri, Marco</au><au>Zito, Roberta</au><au>Calamia, Stefania</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrogen production through NaBH sub(4 hydrolysis over supported Ru catalysts: An insight on the effect of the support and the ruthenium precursor)</atitle><jtitle>International journal of hydrogen energy</jtitle><date>2011-03-01</date><risdate>2011</risdate><volume>36</volume><issue>6</issue><spage>3817</spage><epage>3826</epage><pages>3817-3826</pages><issn>0360-3199</issn><abstract>The NaBH sub(4 hydrolysis over Ru catalysts on different supports was here investigated. It was found that the support has a strong effect on the catalytic activity which was found to be in the order: Ru/activated carbon >> Ru/CeO) sub(2) > Ru/TiO sub(2 > Ru/[gamma]-Al) sub(2)O sub(3. On the most active system, namely Ru/activated carbon, the effect of the Ru loading and the metal precursor (RuCl) sub(3) and Ru(NO)(NO sub(3)) sub(3)) was studied in more detail. Tests carried out with and without temperature control demonstrated that, for each precursor, the activity increases on increasing the Ru content. Moreover samples prepared by RuCl sub(3 were more active than the corresponding ones prepared by Ru(NO)(NO) sub(3)) sub(3. Characterization data, namely CO chemisorption and TEM analysis, point out that the Ru particles size is strongly affected from the Ru precursor used, Ru(NO)(NO) sub(3)) sub(3 resulting in very small Ru particles (diameter < 1 nm), RuCl) sub(3) leading to Ru nanoparticles with average diameter of 2.4 nm. This latter size was found to be appropriate for the NaBH sub(4 hydrolysis reaction, which is proposed to be a structure sensitive reaction.)</abstract><doi>10.1016/j.ijhydene.2010.12.089</doi></addata></record> |
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| ispartof | International journal of hydrogen energy, 2011-03, Vol.36 (6), p.3817-3826 |
| issn | 0360-3199 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Activated carbon Active control Catalysis Catalysts Chemisorption Hydrolysis Nanoparticles Precursors Titanium dioxide |
| title | Hydrogen production through NaBH sub(4 hydrolysis over supported Ru catalysts: An insight on the effect of the support and the ruthenium precursor) |
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