Preparation and Characterization of High-Power Anode Materials Using Soft Carbon Precursors for Lithium Ion Battery

Kim, Taek Rae; Lee, Ji Na; Lim, Youn-Mook; Kim, Myoung Soo

doi:10.4028/0-87849-431-6.1029

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“…To reduce the disadvantages of these two types of carbon materials, i.e. , graphitic and amorphous [ 7 , 8 ], appropriate combinations, comprising both crystalline and disordered materials, were investigated as potential anode materials for high power applications [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

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

Fang

Yen

et al. 2015

Materials

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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.

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Section: Introductionmentioning

confidence: 99%