SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance
Tin disulfide (SnS<sub>2</sub>) is regarded as one of the most suitable candidates as the electrode material for sodium-ion batteries (SIBs). However, the easy restacking and volume expansion properties of SnS<sub>2</sub> during the charge/discharge process lead to the destru...
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| Format: | Article |
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MDPI AG
2020-11-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/10/12/2336 |
| _version_ | 1797546881292697600 |
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| author | Li Zeng Liping Zhang Xingang Liu Chuhong Zhang |
| author_facet | Li Zeng Liping Zhang Xingang Liu Chuhong Zhang |
| author_sort | Li Zeng |
| collection | DOAJ |
| description | Tin disulfide (SnS<sub>2</sub>) is regarded as one of the most suitable candidates as the electrode material for sodium-ion batteries (SIBs). However, the easy restacking and volume expansion properties of SnS<sub>2</sub> during the charge/discharge process lead to the destruction of the electrode structure and a decrease in capacity. We successfully synthesized a SnS<sub>2</sub> nanocrystalline-anchored three-dimensional porous graphene composite (SnS<sub>2</sub>/3DG) by combining hydrothermal and high-temperature reduction methods. The SnS<sub>2</sub> nanocrystalline was uniformly dispersed within the connected reduced graphene oxide matrix. The SnS<sub>2</sub>/3DG battery showed a high reversible capacity of 430 mAh/g after 50 cycles at 100 mA/g. The SnS<sub>2</sub>/3DG composite showed an excellent rate capability with the current density increasing from 100 mA/g to 2 A/g. The excellent performance of the novel SnS<sub>2</sub>/3DG composite is attributed to the porous structure, which not only promoted the infiltration of electrolytes and hindered volume expansion for the porous structure, but also improved the conductivity of the whole electrode, demonstrating that the SnS<sub>2</sub>/3DG composite is a prospective anode for the next generation of sodium-ion batteries. |
| first_indexed | 2024-03-10T14:35:30Z |
| format | Article |
| id | doaj.art-f26d25a89aaf4b4083fbb9c2f6eb865a |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T14:35:30Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-f26d25a89aaf4b4083fbb9c2f6eb865a2023-11-20T22:14:32ZengMDPI AGNanomaterials2079-49912020-11-011012233610.3390/nano10122336SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate PerformanceLi Zeng0Liping Zhang1Xingang Liu2Chuhong Zhang3Polymer Research Institute, Sichuan University, Chengdu 610065, ChinaPolymer Research Institute, Sichuan University, Chengdu 610065, ChinaPolymer Research Institute, Sichuan University, Chengdu 610065, ChinaPolymer Research Institute, Sichuan University, Chengdu 610065, ChinaTin disulfide (SnS<sub>2</sub>) is regarded as one of the most suitable candidates as the electrode material for sodium-ion batteries (SIBs). However, the easy restacking and volume expansion properties of SnS<sub>2</sub> during the charge/discharge process lead to the destruction of the electrode structure and a decrease in capacity. We successfully synthesized a SnS<sub>2</sub> nanocrystalline-anchored three-dimensional porous graphene composite (SnS<sub>2</sub>/3DG) by combining hydrothermal and high-temperature reduction methods. The SnS<sub>2</sub> nanocrystalline was uniformly dispersed within the connected reduced graphene oxide matrix. The SnS<sub>2</sub>/3DG battery showed a high reversible capacity of 430 mAh/g after 50 cycles at 100 mA/g. The SnS<sub>2</sub>/3DG composite showed an excellent rate capability with the current density increasing from 100 mA/g to 2 A/g. The excellent performance of the novel SnS<sub>2</sub>/3DG composite is attributed to the porous structure, which not only promoted the infiltration of electrolytes and hindered volume expansion for the porous structure, but also improved the conductivity of the whole electrode, demonstrating that the SnS<sub>2</sub>/3DG composite is a prospective anode for the next generation of sodium-ion batteries.https://www.mdpi.com/2079-4991/10/12/2336sodium ion batteriesSnS<sub>2</sub> nanocrystallinethree-dimensional porous graphene |
| spellingShingle | Li Zeng Liping Zhang Xingang Liu Chuhong Zhang SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance Nanomaterials sodium ion batteries SnS<sub>2</sub> nanocrystalline three-dimensional porous graphene |
| title | SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance |
| title_full | SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance |
| title_fullStr | SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance |
| title_full_unstemmed | SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance |
| title_short | SnS<sub>2</sub> Nanocrystalline-Anchored Three-Dimensional Graphene for Sodium Batteries with Improved Rate Performance |
| title_sort | sns sub 2 sub nanocrystalline anchored three dimensional graphene for sodium batteries with improved rate performance |
| topic | sodium ion batteries SnS<sub>2</sub> nanocrystalline three-dimensional porous graphene |
| url | https://www.mdpi.com/2079-4991/10/12/2336 |
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