Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries
Silica (SiO2), with its high theoretical capacity and abundance, holds great potential as anode material for lithium-ion batteries (LIBs). However, its practical application is hindered by inherently low conductivity and significant volume change during cycling. In this work, we present a simple yet...
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2025-09-01
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| Series: | Journal of Materiomics |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2352847825000437 |
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| author | Zhefei Sun Zhiwen Zhang Shenghui Zhou Weicheng Liu Jianhui Liu Quanzhi Yin Jianhai Pan Xiaoyu Wu Zilong Zhuang Dong-Liang Peng Qiaobao Zhang |
| author_facet | Zhefei Sun Zhiwen Zhang Shenghui Zhou Weicheng Liu Jianhui Liu Quanzhi Yin Jianhai Pan Xiaoyu Wu Zilong Zhuang Dong-Liang Peng Qiaobao Zhang |
| author_sort | Zhefei Sun |
| collection | DOAJ |
| description | Silica (SiO2), with its high theoretical capacity and abundance, holds great potential as anode material for lithium-ion batteries (LIBs). However, its practical application is hindered by inherently low conductivity and significant volume change during cycling. In this work, we present a simple yet effective strategy to address these challenges by homogeneously binding high-density, ultra-small SiO2 nanoparticles within a carbon nanosheet framework (denoted as SiO2@CNS). In this design, densely packed sufficiently-small SiO2 nanoparticles (about 6 nm) ensure high electrochemical reactivity, while the conductive and flexible CNS matrix facilitates rapid ion/electron transfer and buffers volume changes during cycling. As a result, the SiO2@CNS anode delivers a remarkable capacity of 607.3 mA⸱h/g after 200 cycles at 0.1 A/g, superior rate capability (407.4 mA⸱h/g at 2 A/g) and outstanding durability, retaining 93.1% of its capacity after 2000 cycles at 1 A/g. In-situ transmission electron microscopy and ex-situ microscopic and spectroscopic analyses reveal moderate volume variation and exceptional structural stability during cycling, supported by the formation of a robust solid-electrolyte interphase that underpins its long-lasting performance. Full cells paired with commercial LiFePO4 cathode exhibit outstanding rate and cycling performance. This work provides valuable insights into developing highly-efficient SiO2-based anodes for high-performance LIBs. |
| format | Article |
| id | doaj-art-e1ab5e25278246049e889158dca0d433 |
| institution | Kabale University |
| issn | 2352-8478 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materiomics |
| spelling | doaj-art-e1ab5e25278246049e889158dca0d4332025-08-20T03:24:22ZengElsevierJournal of Materiomics2352-84782025-09-0111510105310.1016/j.jmat.2025.101053Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteriesZhefei Sun0Zhiwen Zhang1Shenghui Zhou2Weicheng Liu3Jianhui Liu4Quanzhi Yin5Jianhai Pan6Xiaoyu Wu7Zilong Zhuang8Dong-Liang Peng9Qiaobao Zhang10State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, China; Key Laboratory of Advanced Metallic Materials of Jiangsu Province, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaDepartment of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI, 53706, USAState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, ChinaState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, China; Longmen Laboratory, Luoyang, 471023, Henan, China; Corresponding author. State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Materials, Xiamen University, Xiamen, 361005, Fujian, China.Silica (SiO2), with its high theoretical capacity and abundance, holds great potential as anode material for lithium-ion batteries (LIBs). However, its practical application is hindered by inherently low conductivity and significant volume change during cycling. In this work, we present a simple yet effective strategy to address these challenges by homogeneously binding high-density, ultra-small SiO2 nanoparticles within a carbon nanosheet framework (denoted as SiO2@CNS). In this design, densely packed sufficiently-small SiO2 nanoparticles (about 6 nm) ensure high electrochemical reactivity, while the conductive and flexible CNS matrix facilitates rapid ion/electron transfer and buffers volume changes during cycling. As a result, the SiO2@CNS anode delivers a remarkable capacity of 607.3 mA⸱h/g after 200 cycles at 0.1 A/g, superior rate capability (407.4 mA⸱h/g at 2 A/g) and outstanding durability, retaining 93.1% of its capacity after 2000 cycles at 1 A/g. In-situ transmission electron microscopy and ex-situ microscopic and spectroscopic analyses reveal moderate volume variation and exceptional structural stability during cycling, supported by the formation of a robust solid-electrolyte interphase that underpins its long-lasting performance. Full cells paired with commercial LiFePO4 cathode exhibit outstanding rate and cycling performance. This work provides valuable insights into developing highly-efficient SiO2-based anodes for high-performance LIBs.http://www.sciencedirect.com/science/article/pii/S2352847825000437SilicaAnodeCarbon nanosheetsLithium-ion batteriesIn-situ characterizations |
| spellingShingle | Zhefei Sun Zhiwen Zhang Shenghui Zhou Weicheng Liu Jianhui Liu Quanzhi Yin Jianhai Pan Xiaoyu Wu Zilong Zhuang Dong-Liang Peng Qiaobao Zhang Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries Journal of Materiomics Silica Anode Carbon nanosheets Lithium-ion batteries In-situ characterizations |
| title | Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries |
| title_full | Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries |
| title_fullStr | Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries |
| title_full_unstemmed | Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries |
| title_short | Effective binding sufficiently-small SiO2 nanoparticles within carbon nanosheets framework enables a high-performing and durable anode for lithium-ion batteries |
| title_sort | effective binding sufficiently small sio2 nanoparticles within carbon nanosheets framework enables a high performing and durable anode for lithium ion batteries |
| topic | Silica Anode Carbon nanosheets Lithium-ion batteries In-situ characterizations |
| url | http://www.sciencedirect.com/science/article/pii/S2352847825000437 |
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