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Wang X, Wang Y, Ma H, Wang Z, Xu X, Huang X. Solid Silicon Nanosheet Sandwiched by Self-Assembled Honeycomb Silicon Nanosheets Enabling Long Life at High Current Density for a Lithium-Ion Battery Anode. ACS APPLIED MATERIALS & INTERFACES 2023; 15:15409-15419. [PMID: 36924036 DOI: 10.1021/acsami.2c22203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A two-dimensional silicon nanosheet (2D Si NS) is promising as a lithium-ion battery anode. However, insufficient cycling life at high current density hampers its practical applications due to its easy fragileness. Rationally engineering the Si micro/nanostructure is promising to address this issue. Unfortunately, the precise construction of a dedicated micro/nanostructure into 2D Si NS meets serious challenges. Herein, a facile strategy is developed to synthesize a sandwich-like honeycomb Si NS/solid Si NS/honeycomb Si NS (h/s/h-Si NS) anode through self-assembled preparation of a sandwich-like honeycomb SiO2 NS/solid SiO2 NS/honeycomb SiO2 NS template, followed by magnesiothermic reduction. This unique structure effectively enhances the mechanical strength, enlarges the specific surface area, and reserves sufficient space to accommodate the anode volume change. A conductive carbon layer is further coated on the h/s/h-Si NS (h/s/h-Si@C NS) to construct a stable electrode/electrolyte interface. The optimal h/s/h-Si@C NS displays outstanding performance with high initial Coulombic efficiency (86%), high reversible capacity (1624 mAh g-1 after 100 cycles at 1000 mA g-1), good rate capability (over 1000 mAh g-1 at 4000 mA g-1), and long cycling life even at 4000 mA g-1 (93% retained capacity after 1000 cycles). This work provides a new strategy for constructing high-performance Si electrodes for lithium-ion battery applications.
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Affiliation(s)
- Xiaoxiao Wang
- Biochemical Engineering Research Center, School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243032, P. R. China
| | - Yunlong Wang
- Biochemical Engineering Research Center, School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243032, P. R. China
| | - Haoran Ma
- Biochemical Engineering Research Center, School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243032, P. R. China
| | - Zhifei Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, P. R. China
| | - Xia Xu
- Biochemical Engineering Research Center, School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan 243032, P. R. China
| | - Xiaodong Huang
- School of Electronic Science and Engineering, Southeast University, Nanjing 210096, P. R. China
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Zhang F, Zhu W, Li T, Yuan Y, Yin J, Jiang J, Yang L. Advances of Synthesis Methods for Porous Silicon-Based Anode Materials. Front Chem 2022; 10:889563. [PMID: 35548675 PMCID: PMC9081600 DOI: 10.3389/fchem.2022.889563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/25/2022] [Indexed: 11/30/2022] Open
Abstract
Silicon (Si)-based anode materials have been the promising candidates to replace commercial graphite, however, there are challenges in the practical applications of Si-based anode materials, including large volume expansion during Li+ insertion/deinsertion and low intrinsic conductivity. To address these problems existed for applications, nanostructured silicon materials, especially Si-based materials with three-dimensional (3D) porous structures have received extensive attention due to their unique advantages in accommodating volume expansion, transportation of lithium-ions, and convenient processing. In this review, we mainly summarize different synthesis methods of porous Si-based materials, including template-etching methods and self-assembly methods. Analysis of the strengths and shortages of the different methods is also provided. The morphology evolution and electrochemical effects of the porous structures on Si-based anodes of different methods are highlighted.
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Affiliation(s)
- Fan Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
| | - Wenqiang Zhu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
| | - Tingting Li
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
| | - Yuan Yuan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
| | - Jiang Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
- *Correspondence: Jiang Yin, ; Lishan Yang,
| | - Jianhong Jiang
- Hunan Engineering Research Center for Water Treatment Process and Equipment, China Machinery International Engineering Design & Research Institute Co., Ltd., Changsha, China
| | - Lishan Yang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, China
- *Correspondence: Jiang Yin, ; Lishan Yang,
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