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Materials 2015, 8(6), 3550-3561; doi:10.3390/ma8063550

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

1
Department of Chemical and Materials Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 80778, Taiwan
2
China Steel Chemical Corporation, Kaohsiung 80245, Taiwan
3
Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
4
Department of Materials Engineering, Tatung University, Taipei 80104, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Wen-Hsiang Hsieh
Received: 13 May 2015 / Revised: 1 June 2015 / Accepted: 3 June 2015 / Published: 17 June 2015
(This article belongs to the Special Issue Selected Papers from ICETI2014)
View Full-Text   |   Download PDF [2259 KB, uploaded 17 June 2015]   |  

Abstract

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 °C and 3000 °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. View Full-Text
Keywords: mesocarbon microbeads; soft carbon; anode materials; high C-rate; lithium ion battery; charge rate capability mesocarbon microbeads; soft carbon; anode materials; high C-rate; lithium ion battery; charge rate capability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fang, M.-D.; Ho, T.-H.; Yen, J.-P.; Lin, Y.-R.; Hong, J.-L.; Wu, S.-H.; Jow, J.-J. Preparation of Advanced Carbon Anode Materials from Mesocarbon Microbeads for Use in High C-Rate Lithium Ion Batteries. Materials 2015, 8, 3550-3561.

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