Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route
Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage and conversion. In this work, we obtained Co–Fe–O composites/reduced graphene oxides (CFO/rGO) hybrid structures, engineered their compositions, phase, and structures by...
Gespeichert in:
| Veröffentlicht in: | ChemSusChem 2015-02, Vol.8 (4), p.659-664 |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 664 |
|---|---|
| container_issue | 4 |
| container_start_page | 659 |
| container_title | ChemSusChem |
| container_volume | 8 |
| creator | Geng, Jing Kuai, Long Kan, Erjie Wang, Qing Geng, Baoyou |
| description | Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage and conversion. In this work, we obtained Co–Fe–O composites/reduced graphene oxides (CFO/rGO) hybrid structures, engineered their compositions, phase, and structures by a facile hydrothermal route, and studied their composition‐dependent activity for electrochemical oxygen evolution reaction (OER) in alkaline media. It is found that synergetic effects bring a clear decrease in overpotential and Tafel slope for CFO/rGO catalysts in comparison with monometallic composition/rGO catalysts. OER charge‐transfer resistance is significantly reduced after Fe addition, indicating that the reaction barriers of CFO/rGO are reduced. The optimal CFO/rGO with Co–Fe ratio of 2:1 was identified. Our results on the synergetic effects of CFO/rGO enrich the understanding of iron‐group composites for electrocatalytic applications.
No bling here! Precious‐metal‐free Co–Fe–O composites/rGO hybrid structures were obtained by a facile hydrothermal route. They exhibited apparent composition‐dependent activity for the electrochemical oxygen evolution reaction. It is found that synergetic effects contribute a significant decrease of overpotential and Tafel slope for composite catalysts. |
| doi_str_mv | 10.1002/cssc.201403222 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1657328799</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>3912757931</sourcerecordid><originalsourceid>FETCH-LOGICAL-c5842-599000f2a5231cb68e21f91c9d5a51850c50c662f6bc94917e8b26fc43af3eb53</originalsourceid><addsrcrecordid>eNqFkc1v1DAQxS0EoqVw5YgscenFW3_ETnxE0WZLVVjaLZSb5XgnJSUbFzuhm_8ely0rxAVppJnD7z3NzEPoNaMzRik_cTG6Gacso4Jz_gQdskJlRKrs69P9LNgBehHjLaWKaqWeowMuZc6V0Ido-ymAa_0YyQcYbEeqAIBLTyogy5OwWOLV1EO4gaF1eN6BG4J3NoFTHCJufMDL7XQDPZ7_9N04tL7Hl2Dd76GesMWVdW0H-HRaBz98g7CxHb704wAv0bPGdhFePfYj9LmaX5Wn5Hy5eF--OydOFhknUmtKacOt5IK5WhXAWaOZ02tpJSskdamU4o2qnc40y6GouWpcJmwjoJbiCB3vfO-C_zFCHMymjQ66zvaQzjZMyVzwItc6oW__QW_9GPq0nWG5FErwnPJEzXaUCz7GAI25C-3Ghskwah4yMQ-ZmH0mSfDm0XasN7De439CSIDeAffpVdN_7Ey5WpV_m5Odto0DbPdaG74blYtcmuuPC1N9OWPi6uLaXIhfJ2SnUA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1753632702</pqid></control><display><type>article</type><title>Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route</title><source>MEDLINE</source><source>Wiley Online Library Journals Frontfile Complete</source><creator>Geng, Jing ; Kuai, Long ; Kan, Erjie ; Wang, Qing ; Geng, Baoyou</creator><creatorcontrib>Geng, Jing ; Kuai, Long ; Kan, Erjie ; Wang, Qing ; Geng, Baoyou</creatorcontrib><description>Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage and conversion. In this work, we obtained Co–Fe–O composites/reduced graphene oxides (CFO/rGO) hybrid structures, engineered their compositions, phase, and structures by a facile hydrothermal route, and studied their composition‐dependent activity for electrochemical oxygen evolution reaction (OER) in alkaline media. It is found that synergetic effects bring a clear decrease in overpotential and Tafel slope for CFO/rGO catalysts in comparison with monometallic composition/rGO catalysts. OER charge‐transfer resistance is significantly reduced after Fe addition, indicating that the reaction barriers of CFO/rGO are reduced. The optimal CFO/rGO with Co–Fe ratio of 2:1 was identified. Our results on the synergetic effects of CFO/rGO enrich the understanding of iron‐group composites for electrocatalytic applications.
No bling here! Precious‐metal‐free Co–Fe–O composites/rGO hybrid structures were obtained by a facile hydrothermal route. They exhibited apparent composition‐dependent activity for the electrochemical oxygen evolution reaction. It is found that synergetic effects contribute a significant decrease of overpotential and Tafel slope for composite catalysts.</description><identifier>ISSN: 1864-5631</identifier><identifier>EISSN: 1864-564X</identifier><identifier>DOI: 10.1002/cssc.201403222</identifier><identifier>PMID: 25572639</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Cobalt - chemistry ; composites ; electrocatalysis ; Electrochemistry ; Graphite - chemistry ; Iron - chemistry ; Oxides - chemistry ; Oxygen ; Oxygen - chemistry ; oxygen evolution reaction ; spinel ; synergetic effect</subject><ispartof>ChemSusChem, 2015-02, Vol.8 (4), p.659-664</ispartof><rights>2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</rights><rights>2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5842-599000f2a5231cb68e21f91c9d5a51850c50c662f6bc94917e8b26fc43af3eb53</citedby><cites>FETCH-LOGICAL-c5842-599000f2a5231cb68e21f91c9d5a51850c50c662f6bc94917e8b26fc43af3eb53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcssc.201403222$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcssc.201403222$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25572639$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Geng, Jing</creatorcontrib><creatorcontrib>Kuai, Long</creatorcontrib><creatorcontrib>Kan, Erjie</creatorcontrib><creatorcontrib>Wang, Qing</creatorcontrib><creatorcontrib>Geng, Baoyou</creatorcontrib><title>Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route</title><title>ChemSusChem</title><addtitle>ChemSusChem</addtitle><description>Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage and conversion. In this work, we obtained Co–Fe–O composites/reduced graphene oxides (CFO/rGO) hybrid structures, engineered their compositions, phase, and structures by a facile hydrothermal route, and studied their composition‐dependent activity for electrochemical oxygen evolution reaction (OER) in alkaline media. It is found that synergetic effects bring a clear decrease in overpotential and Tafel slope for CFO/rGO catalysts in comparison with monometallic composition/rGO catalysts. OER charge‐transfer resistance is significantly reduced after Fe addition, indicating that the reaction barriers of CFO/rGO are reduced. The optimal CFO/rGO with Co–Fe ratio of 2:1 was identified. Our results on the synergetic effects of CFO/rGO enrich the understanding of iron‐group composites for electrocatalytic applications.
No bling here! Precious‐metal‐free Co–Fe–O composites/rGO hybrid structures were obtained by a facile hydrothermal route. They exhibited apparent composition‐dependent activity for the electrochemical oxygen evolution reaction. It is found that synergetic effects contribute a significant decrease of overpotential and Tafel slope for composite catalysts.</description><subject>Cobalt - chemistry</subject><subject>composites</subject><subject>electrocatalysis</subject><subject>Electrochemistry</subject><subject>Graphite - chemistry</subject><subject>Iron - chemistry</subject><subject>Oxides - chemistry</subject><subject>Oxygen</subject><subject>Oxygen - chemistry</subject><subject>oxygen evolution reaction</subject><subject>spinel</subject><subject>synergetic effect</subject><issn>1864-5631</issn><issn>1864-564X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc1v1DAQxS0EoqVw5YgscenFW3_ETnxE0WZLVVjaLZSb5XgnJSUbFzuhm_8ely0rxAVppJnD7z3NzEPoNaMzRik_cTG6Gacso4Jz_gQdskJlRKrs69P9LNgBehHjLaWKaqWeowMuZc6V0Ido-ymAa_0YyQcYbEeqAIBLTyogy5OwWOLV1EO4gaF1eN6BG4J3NoFTHCJufMDL7XQDPZ7_9N04tL7Hl2Dd76GesMWVdW0H-HRaBz98g7CxHb704wAv0bPGdhFePfYj9LmaX5Wn5Hy5eF--OydOFhknUmtKacOt5IK5WhXAWaOZ02tpJSskdamU4o2qnc40y6GouWpcJmwjoJbiCB3vfO-C_zFCHMymjQ66zvaQzjZMyVzwItc6oW__QW_9GPq0nWG5FErwnPJEzXaUCz7GAI25C-3Ghskwah4yMQ-ZmH0mSfDm0XasN7De439CSIDeAffpVdN_7Ey5WpV_m5Odto0DbPdaG74blYtcmuuPC1N9OWPi6uLaXIhfJ2SnUA</recordid><startdate>201502</startdate><enddate>201502</enddate><creator>Geng, Jing</creator><creator>Kuai, Long</creator><creator>Kan, Erjie</creator><creator>Wang, Qing</creator><creator>Geng, Baoyou</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>201502</creationdate><title>Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route</title><author>Geng, Jing ; Kuai, Long ; Kan, Erjie ; Wang, Qing ; Geng, Baoyou</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5842-599000f2a5231cb68e21f91c9d5a51850c50c662f6bc94917e8b26fc43af3eb53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Cobalt - chemistry</topic><topic>composites</topic><topic>electrocatalysis</topic><topic>Electrochemistry</topic><topic>Graphite - chemistry</topic><topic>Iron - chemistry</topic><topic>Oxides - chemistry</topic><topic>Oxygen</topic><topic>Oxygen - chemistry</topic><topic>oxygen evolution reaction</topic><topic>spinel</topic><topic>synergetic effect</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Geng, Jing</creatorcontrib><creatorcontrib>Kuai, Long</creatorcontrib><creatorcontrib>Kan, Erjie</creatorcontrib><creatorcontrib>Wang, Qing</creatorcontrib><creatorcontrib>Geng, Baoyou</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>ChemSusChem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Geng, Jing</au><au>Kuai, Long</au><au>Kan, Erjie</au><au>Wang, Qing</au><au>Geng, Baoyou</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route</atitle><jtitle>ChemSusChem</jtitle><addtitle>ChemSusChem</addtitle><date>2015-02</date><risdate>2015</risdate><volume>8</volume><issue>4</issue><spage>659</spage><epage>664</epage><pages>659-664</pages><issn>1864-5631</issn><eissn>1864-564X</eissn><abstract>Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage and conversion. In this work, we obtained Co–Fe–O composites/reduced graphene oxides (CFO/rGO) hybrid structures, engineered their compositions, phase, and structures by a facile hydrothermal route, and studied their composition‐dependent activity for electrochemical oxygen evolution reaction (OER) in alkaline media. It is found that synergetic effects bring a clear decrease in overpotential and Tafel slope for CFO/rGO catalysts in comparison with monometallic composition/rGO catalysts. OER charge‐transfer resistance is significantly reduced after Fe addition, indicating that the reaction barriers of CFO/rGO are reduced. The optimal CFO/rGO with Co–Fe ratio of 2:1 was identified. Our results on the synergetic effects of CFO/rGO enrich the understanding of iron‐group composites for electrocatalytic applications.
No bling here! Precious‐metal‐free Co–Fe–O composites/rGO hybrid structures were obtained by a facile hydrothermal route. They exhibited apparent composition‐dependent activity for the electrochemical oxygen evolution reaction. It is found that synergetic effects contribute a significant decrease of overpotential and Tafel slope for composite catalysts.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><pmid>25572639</pmid><doi>10.1002/cssc.201403222</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1864-5631 |
| ispartof | ChemSusChem, 2015-02, Vol.8 (4), p.659-664 |
| issn | 1864-5631 1864-564X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1657328799 |
| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Cobalt - chemistry composites electrocatalysis Electrochemistry Graphite - chemistry Iron - chemistry Oxides - chemistry Oxygen Oxygen - chemistry oxygen evolution reaction spinel synergetic effect |
| title | Precious-Metal-Free Co-Fe-O/rGO Synergetic Electrocatalysts for Oxygen Evolution Reaction by a Facile Hydrothermal Route |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-05T09%3A11%3A43IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Precious-Metal-Free%20Co-Fe-O/rGO%20Synergetic%20Electrocatalysts%20for%20Oxygen%20Evolution%20Reaction%20by%20a%20Facile%20Hydrothermal%20Route&rft.jtitle=ChemSusChem&rft.au=Geng,%20Jing&rft.date=2015-02&rft.volume=8&rft.issue=4&rft.spage=659&rft.epage=664&rft.pages=659-664&rft.issn=1864-5631&rft.eissn=1864-564X&rft_id=info:doi/10.1002/cssc.201403222&rft_dat=%3Cproquest_cross%3E3912757931%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1753632702&rft_id=info:pmid/25572639&rfr_iscdi=true |