Nano Hard Carbon Anodes for Sodium-Ion Batteries
A hindrance to the practical use of sodium-ion batteries is the lack of adequate anode materials. By utilizing the co-intercalation reaction, graphite, which is the most common anode material of lithium-ion batteries, was used for storing sodium ion. However, its performance, such as reversible capacity and coulombic efficiency, remains unsatisfactory for practical needs. Therefore, to overcome these drawbacks, a new carbon material was synthesized so that co-intercalation could occur efficiently. This carbon material has the same morphology as carbon black; that is, it has a wide pathway due to a turbostratic structure, and a short pathway due to small primary particles that allows the co-intercalation reaction to occur efficiently. Additionally, due to the numerous voids present in the inner amorphous structure, the sodium storage capacity was greatly increased. Furthermore, owing to the coarse co-intercalation reaction due to the surface pore structure, the formation of solid-electrolyte interphase was greatly suppressed and the first cycle coulombic efficiency reached 80%. This study shows that the carbon material alone can be used to design good electrode materials for sodium-ion batteries without the use of next-generation materials.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Nanomaterials (Basel, Switzerland) - 9(2019), 5 vom: 23. Mai |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kim, Dae-Yeong [VerfasserIn] |
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| Links: |
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| Themen: |
Co-intercalation reaction |
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| Anmerkungen: |
Date Revised 01.10.2020 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/nano9050793 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM29744249X |
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| 520 | |a A hindrance to the practical use of sodium-ion batteries is the lack of adequate anode materials. By utilizing the co-intercalation reaction, graphite, which is the most common anode material of lithium-ion batteries, was used for storing sodium ion. However, its performance, such as reversible capacity and coulombic efficiency, remains unsatisfactory for practical needs. Therefore, to overcome these drawbacks, a new carbon material was synthesized so that co-intercalation could occur efficiently. This carbon material has the same morphology as carbon black; that is, it has a wide pathway due to a turbostratic structure, and a short pathway due to small primary particles that allows the co-intercalation reaction to occur efficiently. Additionally, due to the numerous voids present in the inner amorphous structure, the sodium storage capacity was greatly increased. Furthermore, owing to the coarse co-intercalation reaction due to the surface pore structure, the formation of solid-electrolyte interphase was greatly suppressed and the first cycle coulombic efficiency reached 80%. This study shows that the carbon material alone can be used to design good electrode materials for sodium-ion batteries without the use of next-generation materials | ||
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| 650 | 4 | |a nano hard carbon | |
| 650 | 4 | |a sodium-ion battery | |
| 650 | 4 | |a solid-electrolyte interphase | |
| 650 | 4 | |a turbostratic structure | |
| 700 | 1 | |a Kim, Dong-Hyun |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Soo-Hyun |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Eun-Kyung |e verfasserin |4 aut | |
| 700 | 1 | |a Park, Sang-Kyun |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Ji-Woong |e verfasserin |4 aut | |
| 700 | 1 | |a Yun, Yong-Sup |e verfasserin |4 aut | |
| 700 | 1 | |a Choi, Si-Young |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, Jun |e verfasserin |4 aut | |
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