Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries
We describe a new, simple and low-temperature method for ultra-thin coating of graphene oxide (GO) by peroxostannate, tin oxide or a mixture of tin and tin oxide crystallites by different treatments. The technique is environmentally friendly and does not require complicated infrastructure, an autocl...
| Main Authors: | , , , , , , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/97493 http://hdl.handle.net/10220/10675 |
| _version_ | 1811695512873598976 |
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| author | Yang, D. Tsakadze, Z. Novotortsev, V. M. Zhu, J. X. Prikhodchenko, Petr V. Mikhaylov, Alexey A. Sladkevich, Sergey Gun, Jenny Gutkin, Vitaly Hng, Huey Hoon Tay, Yee Yan Lev, Ovadia |
| author2 | School of Materials Science & Engineering |
| author_facet | School of Materials Science & Engineering Yang, D. Tsakadze, Z. Novotortsev, V. M. Zhu, J. X. Prikhodchenko, Petr V. Mikhaylov, Alexey A. Sladkevich, Sergey Gun, Jenny Gutkin, Vitaly Hng, Huey Hoon Tay, Yee Yan Lev, Ovadia |
| author_sort | Yang, D. |
| collection | NTU |
| description | We describe a new, simple and low-temperature method for ultra-thin coating of graphene oxide (GO) by peroxostannate, tin oxide or a mixture of tin and tin oxide crystallites by different treatments. The technique is environmentally friendly and does not require complicated infrastructure, an autoclave or a microwave. The supported peroxostannate phase is partially converted after drying to crystalline tin oxide with average, 2.5 nm cassiterite crystals. Mild heat treatment yielded full coverage of the reduced graphene oxide by crystalline tin oxide. Extensive heat treatment in vacuum at >500 °C yielded a mixture of elemental tin and cassiterite tin oxide nanoparticles supported on reduced graphene oxide (rGO). The usefulness of the new approach was demonstrated by the preparation of two types of lithium ion anodes: tin oxide–rGO and a mixture of tin oxide and tin coated rGO composites (SnO2–Sn–rGO). The electrodes exhibited stable charge/discharge cyclability and high charging capacity due to the intimate contact between the conductive graphene and the very small tin oxide crystallites. The charging/discharging capacity of the anodes exceeded the theoretical capacity predicted based on tin lithiation. The tin oxide coated rGO exhibited higher charging capacity but somewhat lower stability upon extended charge/discharge cycling compared to SnO2–Sn–rGO. |
| first_indexed | 2024-10-01T07:24:39Z |
| format | Journal Article |
| id | ntu-10356/97493 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:24:39Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/974932020-06-01T10:21:15Z Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries Yang, D. Tsakadze, Z. Novotortsev, V. M. Zhu, J. X. Prikhodchenko, Petr V. Mikhaylov, Alexey A. Sladkevich, Sergey Gun, Jenny Gutkin, Vitaly Hng, Huey Hoon Tay, Yee Yan Lev, Ovadia School of Materials Science & Engineering Facility for Analysis, Characterisation, Testing and Simulation We describe a new, simple and low-temperature method for ultra-thin coating of graphene oxide (GO) by peroxostannate, tin oxide or a mixture of tin and tin oxide crystallites by different treatments. The technique is environmentally friendly and does not require complicated infrastructure, an autoclave or a microwave. The supported peroxostannate phase is partially converted after drying to crystalline tin oxide with average, 2.5 nm cassiterite crystals. Mild heat treatment yielded full coverage of the reduced graphene oxide by crystalline tin oxide. Extensive heat treatment in vacuum at >500 °C yielded a mixture of elemental tin and cassiterite tin oxide nanoparticles supported on reduced graphene oxide (rGO). The usefulness of the new approach was demonstrated by the preparation of two types of lithium ion anodes: tin oxide–rGO and a mixture of tin oxide and tin coated rGO composites (SnO2–Sn–rGO). The electrodes exhibited stable charge/discharge cyclability and high charging capacity due to the intimate contact between the conductive graphene and the very small tin oxide crystallites. The charging/discharging capacity of the anodes exceeded the theoretical capacity predicted based on tin lithiation. The tin oxide coated rGO exhibited higher charging capacity but somewhat lower stability upon extended charge/discharge cycling compared to SnO2–Sn–rGO. 2013-06-26T01:41:41Z 2019-12-06T19:43:17Z 2013-06-26T01:41:41Z 2019-12-06T19:43:17Z 2012 2012 Journal Article Sladkevich, S., Gun, J., Prikhodchenko, P. V., Gutkin, V., Mikhaylov, A. A., Novotortsev, V. M., et al. (2012). Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries. Nanotechnology, 23(48). 0957-4484 https://hdl.handle.net/10356/97493 http://hdl.handle.net/10220/10675 10.1088/0957-4484/23/48/485601 en Nanotechnology © 2012 IOP Publishing Ltd. |
| spellingShingle | Yang, D. Tsakadze, Z. Novotortsev, V. M. Zhu, J. X. Prikhodchenko, Petr V. Mikhaylov, Alexey A. Sladkevich, Sergey Gun, Jenny Gutkin, Vitaly Hng, Huey Hoon Tay, Yee Yan Lev, Ovadia Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title | Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title_full | Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title_fullStr | Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title_full_unstemmed | Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title_short | Peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| title_sort | peroxide induced tin oxide coating of graphene oxide at room temperature and its application for lithium ion batteries |
| url | https://hdl.handle.net/10356/97493 http://hdl.handle.net/10220/10675 |
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