Distortion of Graphite Structure under Ball Milling

Abstract

Abstract: Well-crystalline graphite was treated by high-energy ball milling processing for different milling time, and the samples were examined by X-ray diffraction, Raman scattering and high
resolution transmission electron microscopy. After ball-milling for 150h the structure of the pristine well-crystalline graphite was damaged. Besides a great many of defects were
induced, the graphite layers were exfoliated and crumpled, leading to formation of nanostructures consisting of polyhedral particles and nanoarches. After ball-milling for 250h the aromatic
layers were completely broken and destroyed, and a microporous carbon was formed by the strongly misoriented Basic Structure Units(BSU). After heat treatment at 3000℃, the graphite
organization was not recovered.

Key words: graphite, ball milling, distortion, nanostructures, mesoporous structure

CLC Number:

TQ127

CHEN Xiao-Hua,CHENG Fen-Qiang,WANG Jiang-Xiong,XIE Zhong,PENG Jing-Cui,WU Guo-Tao. Distortion of Graphite Structure under Ball Milling[J]. Journal of Inorganic Materials.

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Distortion of Graphite Structure under Ball Milling

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