Preparation of Advanced Carbon Anode Materials from Mesocarbon Microbeads for Use in High C-Rate Lithium Ion Batteries

被引：41
作者：
Fang, Ming-Dar [1 ,2 ]
Ho, Tsung-Han [1 ]
Yen, Jui-Pin [2 ]
Lin, Yu-Run [2 ]
Hong, Jin-Long [3 ]
Wu, She-Huang [4 ]
Jow, Jiin-Jiang [1 ]
机构：
[1] Natl Kaohsiung Univ Appl Sci, Dept Chem & Mat Engn, Kaohsiung 80778, Taiwan
[2] China Steel Chem Corp, Kaohsiung 80245, Taiwan
[3] Natl Sun Yat Sen Univ, Dept Mat & Optoelect Sci, Kaohsiung 80424, Taiwan
[4] Tatung Univ, Dept Mat Engn, Taipei 80104, Taiwan
来源：
MATERIALS | 2015年 / 8卷 / 06期
关键词：
mesocarbon microbeads; soft carbon; anode materials; high C-rate; lithium ion battery; charge rate capability; SECONDARY BATTERIES; ISOTROPIC PITCHES; HARD CARBONS; HIGH-POWER; MECHANISM; PERFORMANCE; STORAGE;
D O I：
10.3390/ma8063550
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Mesophase soft carbon (MSC) and mesophase graphite (SMG), for use in comparative studies of high C-rate Lithium Ion Battery (LIB) anodes, were made by heating mesocarbon microbeads (MCMB) at 1300 degrees C and 3000 degrees C; respectively. The crystalline structures and morphologies of the MSC, SMG, and commercial hard carbon (HC) were investigated by X-ray diffraction, transmission electron microscopy, scanning electron microscopy, and Raman spectroscopy. Additionally, their electrochemical properties, when used as anode materials in LIBs, were also investigated. The results show that MSC has a superior charging rate capability compared to SMG and HC. This is attributed to MSC having a more extensive interlayer spacing than SMG, and a greater number of favorably-oriented pathways when compared to HC.
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页码：3550 / 3561
页数：12
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