Advanced inorganic lithium metasilicate binder for high-performance silicon anode
Copyright © 2023. Published by Elsevier Inc..
Silicon (Si) is considered a high-capacity anode material with potential for next-generation lithium-ion batteries. However, the commercial application of Si anode is seriously hindered by huge volume variation (>300%) and limited Li+ diffusion ability. Herein, lithium metasilicate (LS), a novel inorganic binder, was innovatively developed to accommodate these challenges. Favorable compatibility is observed between the LS binder and Si nanoparticles (SiNPs) due to the existence of Si element within the LS skeleton. The interaction of the LS binder and SiNPs leads to a strong adhesion effect, enhancing the cycling stability of Si anode. The Si electrode with the LS binder presented an average discharge capacity of 2123 mAh/g at 0.84 A/g after 100 cycles. Furthermore, the presence of the Li+ transport channel within the LS binder enhances Li+ diffusion ability within Si anode. As a result, the average discharge capacity reaches 663 mAh/g at 8.4 A/g. This work thus explored new inorganic binder design approaches for Si anode, contributing to the advancement of high-performance Si anode.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:652 |
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| Enthalten in: |
Journal of colloid and interface science - 652(2023), Pt A vom: 15. Dez., Seite 971-978 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Xiangxiang [VerfasserIn] |
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| Links: |
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| Themen: |
Inorganic binder |
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| Anmerkungen: |
Date Revised 03.10.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2023.08.071 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2023. Published by Elsevier Inc. | ||
| 520 | |a Silicon (Si) is considered a high-capacity anode material with potential for next-generation lithium-ion batteries. However, the commercial application of Si anode is seriously hindered by huge volume variation (>300%) and limited Li+ diffusion ability. Herein, lithium metasilicate (LS), a novel inorganic binder, was innovatively developed to accommodate these challenges. Favorable compatibility is observed between the LS binder and Si nanoparticles (SiNPs) due to the existence of Si element within the LS skeleton. The interaction of the LS binder and SiNPs leads to a strong adhesion effect, enhancing the cycling stability of Si anode. The Si electrode with the LS binder presented an average discharge capacity of 2123 mAh/g at 0.84 A/g after 100 cycles. Furthermore, the presence of the Li+ transport channel within the LS binder enhances Li+ diffusion ability within Si anode. As a result, the average discharge capacity reaches 663 mAh/g at 8.4 A/g. This work thus explored new inorganic binder design approaches for Si anode, contributing to the advancement of high-performance Si anode | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Inorganic binder | |
| 650 | 4 | |a Lithium metasilicate | |
| 650 | 4 | |a Lithium-ion battery | |
| 650 | 4 | |a Silicon anode | |
| 700 | 1 | |a Wang, Kun |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Zefan |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Zhengwei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Han |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Zhuoying |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Bao |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Yuanzhong |e verfasserin |4 aut | |
| 700 | 1 | |a Ling, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Minghao |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Chengdu |e verfasserin |4 aut | |
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