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| 引用本文： | Tong Wang,Xiaotian Guo,Huiyu Duan,Changyun Chen,Huan Pang. SiO_x-based(0
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| 作者姓名： | Tong Wang Xiaotian Guo Huiyu Duan Changyun Chen Huan Pang |
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| 作者单位： | College of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China;; School of Chemistry and Chemical Engineering, Guangling College, Yangzhou University, Yangzhou 225009, China |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (NSFC, Nos. 21671170, 21673203 and 21201010), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP), Program for New Century Excellent Talents of the University in China (NCET, No. 13-0645) and Postgraduate Research & Practice Innovation Program of Jiangsu Province (No. XSJCX17-015). |
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| 摘 要： | Silicon(Si) materials as anode materials for applications in lithium-ion batteries(LIBs) have received increasing attention.Among the Si materials,the electrochemical properties of SiO_x-based(0x≤2)composites are the most prominent.However,due to the cycling stability of SiO_x being far from practical,there are some problems,such as Iow initial coulombic efficiency(ICE),obvious volume expansion and poor conductivity.Researchers in various countries have optimized the electrochemical properties of SiO_x-based composites by means of pore formation,surface modification,and the choice of constituents.In this review,SiO_x-based composites are classified into three categories based on the valency of Si(SiO_2 composites,SiO composites and SiO_x(0x2) composites).The synthesis,morphologies and electrochemical properties of the SiO_x-based composites that are applied in LIB are discussed.Finally,the prope rties of several common SiO_x-based composites are briefly compared and the challenges faced by SiO_x-based composites are highlight.
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| 收稿时间： | 2019-05-18 |
SiOx-based (0 < x ≤ 2) composites for lithium-ion batteries |
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| Tong Wang,Xiaotian Guo,Huiyu Duan,Changyun Chen,Huan Pang. SiOx-based (0 < x ≤ 2) composites for lithium-ion batteries[J]. Chinese Chemical Letters, 2020, 31(3): 654-666. DOI: 10.1016/j.cclet.2019.06.002 |
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| Authors: | Tong Wang Xiaotian Guo Huiyu Duan Changyun Chen Huan Pang |
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| Affiliation: | College of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China; School of Chemistry and Chemical Engineering, Guangling College, Yangzhou University, Yangzhou 225009, China |
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| Abstract: | Silicon (Si) materials as anode materials for applications in lithium-ion batteries (LIBs) have received increasing attention. Among the Si materials, the electrochemical properties of SiOx-based (0 < x ≤ 2) composites are the most prominent. However, due to the cycling stability of SiOx being far from practical, there are some problems, such as low initial coulombic efficiency (ICE), obvious volume expansion and poor conductivity. Researchers in various countries have optimized the electrochemical properties of SiOx-based composites by means of pore formation, surface modification, and the choice of constituents. In this review, SiOx-based composites are classified into three categories based on the valency of Si (SiO2 composites, SiO composites and SiOx (0 < x < 2) composites). The synthesis, morphologies and electrochemical properties of the SiOx-based composites that are applied in LIB are discussed. Finally, the properties of several common SiOx-based composites are briefly compared and the challenges faced by SiOx-based composites are highlight. |
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| Keywords: | Lithium-ion battery Anode material SiO2 composites SiO composites SiOx-based (0 < x &le 2) composite |
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