Encapsulation of Fe3O4 Nanoparticles into N, S co-Doped Graphene Sheets with Greatly Enhanced Electrochemical Performance
Particular N, S co-doped graphene/Fe3O4 hybrids have been successfully synthesized by the combination of a simple hydrothermal process and a subsequent carbonization heat treatment. The nanostructures exhibit a unique composite architecture, with uniformly dispersed Fe3O4 nanoparticles and N, S co-doped graphene encapsulant. The particular porous characteristics with many meso/micro holes/pores, the highly conductive N, S co-doped graphene, as well as the encapsulating N, S co-doped graphene with the high-level nitrogen and sulfur doping, lead to excellent electrochemical performance of the electrode. The N-S-G/Fe3O4 composite electrode exhibits a high initial reversible capacity of 1362.2 mAhg(-1), a high reversible specific capacity of 1055.20 mAhg(-1) after 100 cycles, and excellent cycling stability and rate capability, with specific capacity of 556.69 mAhg(-1) when cycled at the current density of 1000 mAg(-1), indicating that the N-S-G/Fe3O4 composite is a promising anode candidate for Li-ion batteries.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
Scientific reports - 6(2016) vom: 14. Juni, Seite 27957 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Zunxian [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 11.04.2018 Date Revised 13.11.2018 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/srep27957 |
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| funding: |
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NLM261345761 |
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| 500 | |a published: Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Particular N, S co-doped graphene/Fe3O4 hybrids have been successfully synthesized by the combination of a simple hydrothermal process and a subsequent carbonization heat treatment. The nanostructures exhibit a unique composite architecture, with uniformly dispersed Fe3O4 nanoparticles and N, S co-doped graphene encapsulant. The particular porous characteristics with many meso/micro holes/pores, the highly conductive N, S co-doped graphene, as well as the encapsulating N, S co-doped graphene with the high-level nitrogen and sulfur doping, lead to excellent electrochemical performance of the electrode. The N-S-G/Fe3O4 composite electrode exhibits a high initial reversible capacity of 1362.2 mAhg(-1), a high reversible specific capacity of 1055.20 mAhg(-1) after 100 cycles, and excellent cycling stability and rate capability, with specific capacity of 556.69 mAhg(-1) when cycled at the current density of 1000 mAg(-1), indicating that the N-S-G/Fe3O4 composite is a promising anode candidate for Li-ion batteries | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Qian, Kun |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Wenhuan |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Jiahui |e verfasserin |4 aut | |
| 700 | 1 | |a Ai, Jingwei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yuxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Tailiang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Xiongtu |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Sheng |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Zaiping |e verfasserin |4 aut | |
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