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A simple method to fabricate size and porosity tunable Si by Al-Si alloy as lithium ion battery anode material

文献类型：期刊论文

作者Sun, Jifei1,2; Li, Jingwei2,4; Ban, Boyuan2; Shi, Jian1,2; Wang, Qi2,3; Chen, Jian2
刊名ELECTROCHIMICA ACTA
出版日期2020-06-10
卷号345
ISSN号0013-4686
关键词Si anode Acid etching Ball-milling Al-Si alloy Ingot Lithium ion battery
DOI10.1016/j.electacta.2020.136242
通讯作者Wang, Qi(qiwang@ipp.ac.cn) ; Chen, Jian(jchen@ipp.ac.cn)
英文摘要Many research works demonstrate that an appropriate size and porosity of Si can effectively alleviate the problem of large volume change. Although there are many methods to tune the size and porosity of Si, high cost and complicated processes hinder them from a large-scale application. Here a simple method is developed by ball milling and acid etching Al-Si alloy ingots with high Si contents. The porosity and size distribution of the obtained porous Si (P-Si) can be tuned effectively by adjusting the Si content in the Al-Si alloy. As a result, with Si content of 50 wt% in the Al-Si alloy ingot, P-Si-50 presents relatively small and uniform particle size distribution, and the largest pore volume. After carbon coated, the obtained P-Si-50/C maintains a reversible capacity of 1226 mAh g(-1) after 200 cycles at a 0.2C current density. The method might provide a significant scientific contribution to further understanding of P-Si synthesized by the AleSi alloy and guidelines for structure optimization of the P-Si for advanced lithium ion battery applications. (c) 2020 Elsevier Ltd. All rights reserved.
WOS关键词HIGH-PERFORMANCE ANODE ; POROUS SILICON ; IN-SITU ; RECHARGEABLE BATTERY ; CARBON ; NANOPARTICLES ; PYROLYSIS ; NETWORK
资助项目National Natural Science Foundation of China[51874272] ; National Natural Science Foundation of China[51804294] ; National Natural Science Foundation of China[11575253] ; Anhui Provincial key research and development plan[1704a0902017] ; Anhui Provincial Natural Science Foundation[1808085ME121] ; Anhui Provincial Natural Science Foundation[1608085J03] ; State Key Laboratory of Pollution Control and Resource Reuse Foundation[PCRRF18017] ; Key Laboratory of Photovoltaic and Energy Conservation Materials, Chinese Academy of Sciences[PECL2019ZD005] ; Key Laboratory of Photovoltaic and Energy Conservation Materials, Chinese Academy of Sciences[PECL2018QN002] ; Key Laboratory of Photovoltaic and Energy Conservation Materials, Chinese Academy of Sciences[PECL2018QN005] ; CPSF - CAS Joint Foundation for Excellent Postdoctoral Fellows[2016LH0017] ; State Key Laboratory of Refractories and Metallurgy (Wuhan University of Science and Technology)[G201910] ; CASHIPS Director's Funds[YYJJ201624] ; International Clean Energy Talent Program by China Scholarship Council[201904100013] ; International Clean Energy Talent Program by China Scholarship Council[201902720003]
WOS研究方向Electrochemistry
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000545926000014
资助机构National Natural Science Foundation of China ; Anhui Provincial key research and development plan ; Anhui Provincial Natural Science Foundation ; State Key Laboratory of Pollution Control and Resource Reuse Foundation ; Key Laboratory of Photovoltaic and Energy Conservation Materials, Chinese Academy of Sciences ; CPSF - CAS Joint Foundation for Excellent Postdoctoral Fellows ; State Key Laboratory of Refractories and Metallurgy (Wuhan University of Science and Technology) ; CASHIPS Director's Funds ; International Clean Energy Talent Program by China Scholarship Council
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/70999]  
专题中国科学院合肥物质科学研究院
通讯作者Wang, Qi; Chen, Jian
作者单位1.Univ Sci & Technol China, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Key Lab Photovolta & Energy Conservat Mat, Hefei 230088, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
4.Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China
推荐引用方式
GB/T 7714		 Sun, Jifei,Li, Jingwei,Ban, Boyuan,et al. A simple method to fabricate size and porosity tunable Si by Al-Si alloy as lithium ion battery anode material[J]. ELECTROCHIMICA ACTA,2020,345.
APA Sun, Jifei,Li, Jingwei,Ban, Boyuan,Shi, Jian,Wang, Qi,&Chen, Jian.(2020).A simple method to fabricate size and porosity tunable Si by Al-Si alloy as lithium ion battery anode material.ELECTROCHIMICA ACTA,345.
MLA Sun, Jifei,et al."A simple method to fabricate size and porosity tunable Si by Al-Si alloy as lithium ion battery anode material".ELECTROCHIMICA ACTA 345(2020).

入库方式： OAI收割

来源：合肥物质科学研究院

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