A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction
A simple method for the mechanochemical synthesis of an effective metal-free electrocatalyst for the oxygen reduction reaction was demonstrated. A nitrogen-doped carbon material was obtained by grinding a mixture of graphene oxide and melamine in a planetary ball mill. The resulting material was cha...
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MDPI AG
2022-01-01
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| Online Access: | https://www.mdpi.com/1996-1944/15/3/821 |
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| author | Vladimir P. Vasiliev Roman A. Manzhos Valeriy K. Kochergin Alexander G. Krivenko Eugene N. Kabachkov Alexander V. Kulikov Yury M. Shulga Gennady L. Gutsev |
| author_facet | Vladimir P. Vasiliev Roman A. Manzhos Valeriy K. Kochergin Alexander G. Krivenko Eugene N. Kabachkov Alexander V. Kulikov Yury M. Shulga Gennady L. Gutsev |
| author_sort | Vladimir P. Vasiliev |
| collection | DOAJ |
| description | A simple method for the mechanochemical synthesis of an effective metal-free electrocatalyst for the oxygen reduction reaction was demonstrated. A nitrogen-doped carbon material was obtained by grinding a mixture of graphene oxide and melamine in a planetary ball mill. The resulting material was characterized by XPS, EPR, and Raman and IR spectroscopy. The nitrogen concentration on the N-bmGO surface was 5.5 at.%. The nitrogen-enriched graphene material (NbmGO has half-wave potential of −0.175/−0.09 V and was shown to possess high activity as an electrocatalyst for oxygen reduction reaction. The electrocatalytic activity of NbmGO can be associated with a high concentration of active sites for the adsorption of oxygen molecules on its surface. The high current retention (93% for 12 h) after continuous polarization demonstrates the excellent long-term stability of NbmGO. |
| first_indexed | 2024-03-09T23:38:22Z |
| format | Article |
| id | doaj.art-c9e048d3305b4a6e9957d5a128a52e7d |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T23:38:22Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-c9e048d3305b4a6e9957d5a128a52e7d2023-11-23T16:57:38ZengMDPI AGMaterials1996-19442022-01-0115382110.3390/ma15030821A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction ReactionVladimir P. Vasiliev0Roman A. Manzhos1Valeriy K. Kochergin2Alexander G. Krivenko3Eugene N. Kabachkov4Alexander V. Kulikov5Yury M. Shulga6Gennady L. Gutsev7Institute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaInstitute of Problems of Chemical Physics of RAS, Acad. Semenov ave. 1, 142432 Chernogolovka, RussiaDepartment of Physics, Florida A&M University, Tallahassee, FL 32307, USAA simple method for the mechanochemical synthesis of an effective metal-free electrocatalyst for the oxygen reduction reaction was demonstrated. A nitrogen-doped carbon material was obtained by grinding a mixture of graphene oxide and melamine in a planetary ball mill. The resulting material was characterized by XPS, EPR, and Raman and IR spectroscopy. The nitrogen concentration on the N-bmGO surface was 5.5 at.%. The nitrogen-enriched graphene material (NbmGO has half-wave potential of −0.175/−0.09 V and was shown to possess high activity as an electrocatalyst for oxygen reduction reaction. The electrocatalytic activity of NbmGO can be associated with a high concentration of active sites for the adsorption of oxygen molecules on its surface. The high current retention (93% for 12 h) after continuous polarization demonstrates the excellent long-term stability of NbmGO.https://www.mdpi.com/1996-1944/15/3/821oxygen reduction reactionnoble-metal-free catalystsgraphene oxidemelamineball-millingN-doped |
| spellingShingle | Vladimir P. Vasiliev Roman A. Manzhos Valeriy K. Kochergin Alexander G. Krivenko Eugene N. Kabachkov Alexander V. Kulikov Yury M. Shulga Gennady L. Gutsev A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction Materials oxygen reduction reaction noble-metal-free catalysts graphene oxide melamine ball-milling N-doped |
| title | A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction |
| title_full | A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction |
| title_fullStr | A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction |
| title_full_unstemmed | A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction |
| title_short | A Facile Synthesis of Noble-Metal-Free Catalyst Based on Nitrogen Doped Graphene Oxide for Oxygen Reduction Reaction |
| title_sort | facile synthesis of noble metal free catalyst based on nitrogen doped graphene oxide for oxygen reduction reaction |
| topic | oxygen reduction reaction noble-metal-free catalysts graphene oxide melamine ball-milling N-doped |
| url | https://www.mdpi.com/1996-1944/15/3/821 |
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