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Improving Glycerol Electrooxidation Performance on Nanocubic PtCo Catalysts
As glycerol (GLY) has emerged as a highly functional and cheap platform molecule and as an abundant biodiesel production byproduct, possible conversion methods have been investigated. One of the promising approaches is the glycerol electrooxidation (GEOR) on noble metal-based catalysts. Although nob...
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Published in: | ACS applied materials & interfaces 2024-10, Vol.16 (42), p.56987-56996 |
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description | As glycerol (GLY) has emerged as a highly functional and cheap platform molecule and as an abundant biodiesel production byproduct, possible conversion methods have been investigated. One of the promising approaches is the glycerol electrooxidation (GEOR) on noble metal-based catalysts. Although noble metals, especially Pt, are generally very stable at different pH and highly selective toward three-carbon (C3) products, their electrocatalytic performance can be further improved by morphology tuning and alloying with non-noble metals like Co. In the present study, cubic Pt x Co100–x (x = 100, 80, and 60) nanoparticles were investigated in an alkaline medium at 20 and 40 °C. The effect of the composition and reaction conditions on the selectivity of the GEOR toward C3 products like lactate and glycerate was studied, and the reaction mechanism was discussed. The highest mass activity was found for Pt80Co20, although when the specific activity, glycerol conversion, and GEOR selectivity were compared, Pt60Co40 was the superior catalyst overall. In general, all catalysts, even those that are Co-rich, exhibited a high C3 product selectivity up to 95% at 0.67 V vs RHE. The low applied potential of 0.67 V vs RHE at 40 °C facilitated lactate formation with selectivity up to 72%. At the same time, the glycerate formation with a selectivity of up to 40%, as well as C–C bond cleavage, was more favored at 0.87 V vs RHE. |
doi_str_mv | 10.1021/acsami.4c10219 |
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One of the promising approaches is the glycerol electrooxidation (GEOR) on noble metal-based catalysts. Although noble metals, especially Pt, are generally very stable at different pH and highly selective toward three-carbon (C3) products, their electrocatalytic performance can be further improved by morphology tuning and alloying with non-noble metals like Co. In the present study, cubic Pt x Co100–x (x = 100, 80, and 60) nanoparticles were investigated in an alkaline medium at 20 and 40 °C. The effect of the composition and reaction conditions on the selectivity of the GEOR toward C3 products like lactate and glycerate was studied, and the reaction mechanism was discussed. The highest mass activity was found for Pt80Co20, although when the specific activity, glycerol conversion, and GEOR selectivity were compared, Pt60Co40 was the superior catalyst overall. In general, all catalysts, even those that are Co-rich, exhibited a high C3 product selectivity up to 95% at 0.67 V vs RHE. The low applied potential of 0.67 V vs RHE at 40 °C facilitated lactate formation with selectivity up to 72%. At the same time, the glycerate formation with a selectivity of up to 40%, as well as C–C bond cleavage, was more favored at 0.87 V vs RHE.</description><identifier>ISSN: 1944-8244</identifier><identifier>ISSN: 1944-8252</identifier><identifier>EISSN: 1944-8252</identifier><identifier>DOI: 10.1021/acsami.4c10219</identifier><identifier>PMID: 39401082</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>biodiesel ; byproducts ; catalysts ; cleavage (chemistry) ; Energy, Environmental, and Catalysis Applications ; glycerol ; glycerol electrooxidation ; lactate ; lactic acid ; nanocubes ; nanoparticles ; PtCo ; reaction mechanisms ; selectivity</subject><ispartof>ACS applied materials & interfaces, 2024-10, Vol.16 (42), p.56987-56996</ispartof><rights>2024 The Authors. 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Published by American Chemical Society 2024 The Authors</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-a381t-31d2cea9f6abd1c02928b0d4fc433bd279cfa43c4e1e71f1647619637cd7b1f83</cites><orcidid>0000-0002-4759-5895 ; 0000-0003-4319-1540</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,778,782,883,27907,27908</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39401082$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-237177$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Terekhina, Irina</creatorcontrib><creatorcontrib>Johnsson, Mats</creatorcontrib><title>Improving Glycerol Electrooxidation Performance on Nanocubic PtCo Catalysts</title><title>ACS applied materials & interfaces</title><addtitle>ACS Appl. Mater. Interfaces</addtitle><description>As glycerol (GLY) has emerged as a highly functional and cheap platform molecule and as an abundant biodiesel production byproduct, possible conversion methods have been investigated. One of the promising approaches is the glycerol electrooxidation (GEOR) on noble metal-based catalysts. Although noble metals, especially Pt, are generally very stable at different pH and highly selective toward three-carbon (C3) products, their electrocatalytic performance can be further improved by morphology tuning and alloying with non-noble metals like Co. In the present study, cubic Pt x Co100–x (x = 100, 80, and 60) nanoparticles were investigated in an alkaline medium at 20 and 40 °C. The effect of the composition and reaction conditions on the selectivity of the GEOR toward C3 products like lactate and glycerate was studied, and the reaction mechanism was discussed. The highest mass activity was found for Pt80Co20, although when the specific activity, glycerol conversion, and GEOR selectivity were compared, Pt60Co40 was the superior catalyst overall. In general, all catalysts, even those that are Co-rich, exhibited a high C3 product selectivity up to 95% at 0.67 V vs RHE. The low applied potential of 0.67 V vs RHE at 40 °C facilitated lactate formation with selectivity up to 72%. At the same time, the glycerate formation with a selectivity of up to 40%, as well as C–C bond cleavage, was more favored at 0.87 V vs RHE.</description><subject>biodiesel</subject><subject>byproducts</subject><subject>catalysts</subject><subject>cleavage (chemistry)</subject><subject>Energy, Environmental, and Catalysis Applications</subject><subject>glycerol</subject><subject>glycerol electrooxidation</subject><subject>lactate</subject><subject>lactic acid</subject><subject>nanocubes</subject><subject>nanoparticles</subject><subject>PtCo</subject><subject>reaction mechanisms</subject><subject>selectivity</subject><issn>1944-8244</issn><issn>1944-8252</issn><issn>1944-8252</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqNkU1P7CAUhonR-L11abo05s7IAVrKypjR6zUadaFuCaV0xLRlhFbv_HuZdJzowsQVnPC8bzh5EDoAPAZM4ETpoBo7ZnoxiTW0DYKxUU5Ssr66M7aFdkJ4wTijBKebaIsKhgHnZBtdXzUz795sO00u67k23tXJRW105537b0vVWdcm98ZXzjeq1SaJ461qne4Lq5P7buKSiepUPQ9d2EMblaqD2V-eu-jx78XD5N_o5u7yanJ2M1I0h25EoSTaKFFlqihBYyJIXuCSVZpRWpSEC10pRjUzYDhUkDGegcgo1yUvoMrpLvoz9IZ3M-sLOfO2UX4unbLy3D6dSeenMvSSUA6cR_x0wCPbmFKbtvOq_pb6_tLaZzl1bxIgxTTDIjYcLRu8e-1N6GRjgzZ1rVrj-iAppHGzlAvyCxSyjKcAC3Q8oNq7ELypVl8CLBc65SBXLuXGwOHXRVb4p80IHA9ADMoX1_s2avip7QNQ7rBe</recordid><startdate>20241023</startdate><enddate>20241023</enddate><creator>Terekhina, Irina</creator><creator>Johnsson, Mats</creator><general>American Chemical Society</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><scope>5PM</scope><scope>ABAVF</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>D8T</scope><scope>DG7</scope><scope>ZZAVC</scope><orcidid>https://orcid.org/0000-0002-4759-5895</orcidid><orcidid>https://orcid.org/0000-0003-4319-1540</orcidid></search><sort><creationdate>20241023</creationdate><title>Improving Glycerol Electrooxidation Performance on Nanocubic PtCo Catalysts</title><author>Terekhina, Irina ; Johnsson, Mats</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a381t-31d2cea9f6abd1c02928b0d4fc433bd279cfa43c4e1e71f1647619637cd7b1f83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>biodiesel</topic><topic>byproducts</topic><topic>catalysts</topic><topic>cleavage (chemistry)</topic><topic>Energy, Environmental, and Catalysis Applications</topic><topic>glycerol</topic><topic>glycerol electrooxidation</topic><topic>lactate</topic><topic>lactic acid</topic><topic>nanocubes</topic><topic>nanoparticles</topic><topic>PtCo</topic><topic>reaction mechanisms</topic><topic>selectivity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Terekhina, Irina</creatorcontrib><creatorcontrib>Johnsson, Mats</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>SWEPUB Stockholms universitet full text</collection><collection>SwePub</collection><collection>SwePub Articles</collection><collection>SWEPUB Freely available online</collection><collection>SWEPUB Stockholms universitet</collection><collection>SwePub Articles full text</collection><jtitle>ACS applied materials & interfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Terekhina, Irina</au><au>Johnsson, Mats</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving Glycerol Electrooxidation Performance on Nanocubic PtCo Catalysts</atitle><jtitle>ACS applied materials & interfaces</jtitle><addtitle>ACS Appl. Mater. Interfaces</addtitle><date>2024-10-23</date><risdate>2024</risdate><volume>16</volume><issue>42</issue><spage>56987</spage><epage>56996</epage><pages>56987-56996</pages><issn>1944-8244</issn><issn>1944-8252</issn><eissn>1944-8252</eissn><abstract>As glycerol (GLY) has emerged as a highly functional and cheap platform molecule and as an abundant biodiesel production byproduct, possible conversion methods have been investigated. One of the promising approaches is the glycerol electrooxidation (GEOR) on noble metal-based catalysts. Although noble metals, especially Pt, are generally very stable at different pH and highly selective toward three-carbon (C3) products, their electrocatalytic performance can be further improved by morphology tuning and alloying with non-noble metals like Co. In the present study, cubic Pt x Co100–x (x = 100, 80, and 60) nanoparticles were investigated in an alkaline medium at 20 and 40 °C. The effect of the composition and reaction conditions on the selectivity of the GEOR toward C3 products like lactate and glycerate was studied, and the reaction mechanism was discussed. The highest mass activity was found for Pt80Co20, although when the specific activity, glycerol conversion, and GEOR selectivity were compared, Pt60Co40 was the superior catalyst overall. In general, all catalysts, even those that are Co-rich, exhibited a high C3 product selectivity up to 95% at 0.67 V vs RHE. The low applied potential of 0.67 V vs RHE at 40 °C facilitated lactate formation with selectivity up to 72%. At the same time, the glycerate formation with a selectivity of up to 40%, as well as C–C bond cleavage, was more favored at 0.87 V vs RHE.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>39401082</pmid><doi>10.1021/acsami.4c10219</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-4759-5895</orcidid><orcidid>https://orcid.org/0000-0003-4319-1540</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | biodiesel byproducts catalysts cleavage (chemistry) Energy, Environmental, and Catalysis Applications glycerol glycerol electrooxidation lactate lactic acid nanocubes nanoparticles PtCo reaction mechanisms selectivity |
title | Improving Glycerol Electrooxidation Performance on Nanocubic PtCo Catalysts |
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