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Katsuyama Y, Yang Z, Thiel M, Zhang X, Chang X, Lin CW, Huang A, Wang C, Li Y, Kaner RB. A Rapid, Scalable Laser-Scribing Process to Prepare Si/Graphene Composites for Lithium-Ion Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305921. [PMID: 38342674 DOI: 10.1002/smll.202305921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 01/25/2024] [Indexed: 02/13/2024]
Abstract
Silicon has gained significant attention as a lithium-ion battery anode material due to its high theoretical capacity compared to conventional graphite. Unfortunately, silicon anodes suffer from poor cycling performance caused by their extreme volume change during lithiation and de-lithiation. Compositing silicon particles with 2D carbon materials, such as graphene, can help mitigate this problem. However, an unaddressed challenge remains: a simple, inexpensive synthesis of Si/graphene composites. Here, a one-step laser-scribing method is proposed as a straightforward, rapid (≈3 min), scalable, and less-energy-consuming (≈5 W for a few minutes under air) process to prepare Si/laser-scribed graphene (LSG) composites. In this research, two types of Si particles, Si nanoparticles (SiNPs) and Si microparticles (SiMPs), are used. The rate performance is improved after laser scribing: SiNP/LSG retains 827.6 mAh g-1 at 2.0 A gSi+C -1, while SiNP/GO (before laser scribing) retains only 463.8 mAh g-1. This can be attributed to the fast ion transport within the well-exfoliated 3D graphene network formed by laser scribing. The cyclability is also improved: SiNP/LSG retains 88.3% capacity after 100 cycles at 2.0 A gSi+C -1, while SiNP/GO retains only 57.0%. The same trend is found for SiMPs: the SiMP/LSG shows better rate and cycling performance than SiMP/GO composites.
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Affiliation(s)
- Yuto Katsuyama
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Zhiyin Yang
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Markus Thiel
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Xinyue Zhang
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Xueying Chang
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Cheng-Wei Lin
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Ailun Huang
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Chenxiang Wang
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Yuzhang Li
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Richard B Kaner
- Department of Chemistry & Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
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Tan X, Zhao Z, Na Z, Zhuo R, Zhou F, Wang D, Zhu L, Li Y, Hou S, Cai X. Reduced graphene oxide-encaged submicron-silicon anode interfacially stabilized by Al 2O 3 nanoparticles for efficient lithium-ion batteries. RSC Adv 2024; 14:11323-11333. [PMID: 38595724 PMCID: PMC11002566 DOI: 10.1039/d4ra00751d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/21/2024] [Indexed: 04/11/2024] Open
Abstract
Silicon-carbon composites have been recognized as some of the most promising anode candidates for advancing new-generation lithium-ion batteries (LIBs). The development of high-efficiency silicon/graphene anodes through a simple and cost-effective preparation route is significant. Herein, by using micron silicon as raw material, we designed a mesoporous composite of silicon/alumina/reduced graphene oxide (Si/Al2O3/RGO) via a two-step ball milling combined annealing process. Commercial Al2O3 nanoparticles are introduced as an interlayer due to the toughening effect, while RGO nanosheets serve as a conductive and elastic coating to protect active submicron silicon particles during lithium alloying/dealloying reactions. Owing to the rational porous structure and dual protection strategy, the core/shell structured Si/Al2O3/RGO composite is efficient for Li+ storage and demonstrates improved electrical conductivity, accelerated charge transfer and electrolyte diffusion, and especially high structural stability upon charge/discharge cycling. As a consequence, Si/Al2O3/RGO yields a high discharge capacity of 852 mA h g-1 under a current density of 500 mA g-1 even after 200 cycles, exhibiting a high capacity retention of ∼85%. Besides, Si/Al2O3/RGO achieves excellent cycling reversibility and superb high-rate capability with a stable specific capacity of 405 mA h g-1 at 3000 mA g-1. Results demonstrate that the Al2O3 interlayer is synergistic with the indispensable RGO nanosheet shells, affording more buffer space for silicon cores to alleviate the mechanical expansion and thus stabilizing active silicon species during charge/discharge cycles. This work provides an alternative low-cost approach to achieving high-capacity silicon/carbon composites for high-performance LIBs.
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Affiliation(s)
- Xiangyu Tan
- Power Science Research Institute of Yunnan Power Grid Co., Ltd Kunming 650214 China
| | - Zhongqiang Zhao
- College of Materials and Energy, South China Agricultural University Guangzhou 510642 China
| | - Zhimin Na
- Qujing Power Supply Bureau of Yunnan Power Grid Co., Ltd Qujing 655099 China
| | - Ran Zhuo
- Electric Power Research Institute, China Southern Power Grid Guangzhou 510623 China
| | - Fangrong Zhou
- Power Science Research Institute of Yunnan Power Grid Co., Ltd Kunming 650214 China
| | - Dibo Wang
- Electric Power Research Institute, China Southern Power Grid Guangzhou 510623 China
| | - Longchang Zhu
- Power Science Research Institute of Yunnan Power Grid Co., Ltd Kunming 650214 China
| | - Yi Li
- School of Electrical Engineering and Automation, Wuhan University Wuhan 430072 China
| | - Shaocong Hou
- School of Electrical Engineering and Automation, Wuhan University Wuhan 430072 China
| | - Xin Cai
- College of Materials and Energy, South China Agricultural University Guangzhou 510642 China
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Liu X, Liu H, Cao Y, Wu X, Shan Z. Silicon Nanoparticles Embedded in Chemical-Expanded Graphite through Electrostatic Attraction for High-Performance Lithium-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2023; 15:9457-9464. [PMID: 36758169 DOI: 10.1021/acsami.2c21866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Silicon (Si) is a promising next-generation anode for high-energy-density lithium-ion batteries. The application of silicon/carbon (Si/C) composites with high Si content is hindered by the huge volume change and insecure electrochemical interface of the Si anode. Herein, chemical-expanded graphite (CEG) is used as a carbon matrix to form Si@CEG/C composites with an embedded structure. CEG with an abundant pore structure and electropositivity can well disperse and accommodate a mass of Si nanoparticles (Si NPs). With the flexibility and porosity of CEG, the embedded structure of Si NPs fixed in an expanded graphite layer can adopt the volume change of Si NPs and offer the abundant path of diffusion of lithium-ion, which leads to a moderate cycle and rate performance. Si@CEG/C exhibits a high reversible capacity of 1232.4 mA h g-1 at a current density of 0.5 A g-1 and with a capacity retention rate of 87% after 200 cycles. This embedded structure of Si/C composites built by CEG is meaningful for the structure design of the Si-based anode with higher specific capacity, active material utilization, and satisfactory cycle stability.
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Affiliation(s)
- Xu Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Huitian Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yuhao Cao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Xiaochen Wu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Zhongqiang Shan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
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Wang X, Zhao J, Zhang J, Zhao Y, Zhao P, Ni L, Xie Q, Meng J. Ball-Milled Silicon with Amorphous Al 2O 3/C Hybrid Coating Embedded in Graphene/Graphite Nanosheets with a Boosted Lithium Storage Capability. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8555-8563. [PMID: 35776439 DOI: 10.1021/acs.langmuir.2c00787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Electrochemical active silicon has attracted great attention as anodes for lithium-ion batteries owing to a high theoretical capacity of 4200 mA h g-1. In this work, ball-milled silicon particles with submicron size were strategically modified with a hybrid coating of amorphous alumina and carbon, which simultaneously embedded in a porous framework of in situ exfoliated graphene/graphite nanosheets (GGN). The composite exhibits an enhanced electrochemical performance, including high cycling stability and superior rate capability. An initial discharge capacity of 1294 mA h g-1 and a reversible charge capacity of 1044 mA h g-1 at 0.2 A g-1 can be achieved with a high initial Coulombic efficiency of up to ca. 81%. Additionally, the composite can remain 902 mA h g-1 after 100 discharge/charge cycles, accounting for a high retention of about 86%. This silicon composite is a promising anode material for high performance lithium-ion batteries with a high energy density, and the facile one-pot fabrication route is low cost and scalable, with a great prospect for practical application.
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Affiliation(s)
- Xiaoxu Wang
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
| | - Jinhui Zhao
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
| | - Jingya Zhang
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
| | - Yingqiang Zhao
- School of Chemistry & Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
| | - Peng Zhao
- Department of Chemistry, Nankai University, Tianjin 300017, China
| | - Lei Ni
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
| | - Qinxing Xie
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
| | - Jianqiang Meng
- Tianjin Key Laboratory of Advanced Fibers and Energy Storage, School of Materials Science and Engineering, School of Electrical and Electronic Engineering, Tiangong University, Tianjin 300387, China
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She Z, Uceda M, Pope MA. Encapsulating a Responsive Hydrogel Core for Void Space Modulation in High-Stability Graphene-Wrapped Silicon Anodes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10363-10372. [PMID: 35175023 DOI: 10.1021/acsami.1c23356] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Due to its formidably high theoretical capacity (3590 mAh/g at room temperature), silicon (Si) is expected to replace graphite as the dominant anode for higher energy density lithium (Li)-ion batteries. However, stability issues stemming from silicon's significant volume expansion (∼300%) upon lithiation have slowed down commercialization. Herein, we report the design of a scalable process to engineer core-shell structures capable of buffering this volume expansion, which utilize a core made up of a poly(ethylene oxide)-carboxymethyl cellulose hydrogel and silicon protected by a crumpled graphene shell. The volume expansion of the hydrogel upon exposure to water creates a void space between the Si-Si and Si-rGO interfaces within the core when the gel dries. Unlike sacrificial spacers, the dehydrated hydrogel remains in the core and acts as an elastic Li-ion conductor, which improves the stability and high rate performance. The optimized composite electrodes retain ∼81.7% of their initial capacity (1055 mAh/(grGO+gel+Si)) after 320 cycles when an active material loading of 1 mg/cm2 is used. At more practical mass loadings (2.5 mg/cm2), the electrodes achieve 2.04 mAh/cm2 and retain 79% of this capacity after 200 cycles against a lithium half-cell. Full cells assembled using a lithium ion phosphate cathode lose only 6.7% of their initial capacity over 100 cycles, demonstrating the potential of this nanocomposite anode for use in next-generation Li-ion batteries.
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Affiliation(s)
- Zimin She
- Quantum-Nano Centre, Department of Chemical Engineering, University of Waterloo, Waterloo N2L 3G1, Canada
| | - Marianna Uceda
- Quantum-Nano Centre, Department of Chemical Engineering, University of Waterloo, Waterloo N2L 3G1, Canada
| | - Michael A Pope
- Quantum-Nano Centre, Department of Chemical Engineering, University of Waterloo, Waterloo N2L 3G1, Canada
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Abstract
The synthesis of nanomaterials, with characteristic dimensions of 1 to 100 nm, is a key component of nanotechnology. Vapor-phase synthesis of nanomaterials has numerous advantages such as high product purity, high-throughput continuous operation, and scalability that have made it the dominant approach for the commercial synthesis of nanomaterials. At the same time, this class of methods has great potential for expanded use in research and development. Here, we present a broad review of progress in vapor-phase nanomaterial synthesis. We describe physically-based vapor-phase synthesis methods including inert gas condensation, spark discharge generation, and pulsed laser ablation; plasma processing methods including thermal- and non-thermal plasma processing; and chemically-based vapor-phase synthesis methods including chemical vapor condensation, flame-based aerosol synthesis, spray pyrolysis, and laser pyrolysis. In addition, we summarize the nanomaterials produced by each method, along with representative applications, and describe the synthesis of the most important materials produced by each method in greater detail.
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Affiliation(s)
- Mohammad Malekzadeh
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA.
| | - Mark T Swihart
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA. and RENEW Institute, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
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Abstract
Graphene is a new generation material, which finds potential and practical applications in a vast range of research areas. It has unrivalled characteristics, chiefly in terms of electronic conductivity, mechanical robustness and large surface area, which allow the attainment of outstanding performances in the material science field. Some unneglectable issues, such as the high cost of production at high quality and corresponding scarce availability in large amounts necessary for mass scale distribution, slow down graphene widespread utilization; however, in the last decade both basic academic and applied industrial materials research have achieved remarkable breakthroughs thanks to the implementation of graphene and related 1D derivatives. In this work, after briefly recalling the main characteristics of graphene, we present an extensive overview of the most recent advances in the development of the Li-ion battery anodes granted by the use of neat and engineered graphene and related 1D materials. Being far from totally exhaustive, due to the immense scientific production in the field yearly, we chiefly focus here on the role of graphene in materials modification for performance enhancement in both half and full lithium-based cells and give some insights on related promising perspectives.
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Zhou Y, Su M, Dou A, Liu Y. Facile synthesis of Si/NiSi2/C composite derived from metal-organic frameworks for high-performance lithium-ion battery anode. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114398] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Improved lithium storage capacity and high rate capability of nitrogen-doped graphite-like electrode materials prepared from thermal pyrolysis of graphene quantum dots. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136642] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Ma XH, Cheng L, Li LL, Cao X, Ye YY, Wei YY, Wu YD, Sha ML, Zi ZF, Dai JM. Influence of cut-off voltage on the lithium storage performance of Nb12W11O63 anode. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135380] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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