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Crystals 2017, 7(1), 5; doi:10.3390/cryst7010005

The New Method of XRD Measurement of the Degree of Disorder for Anode Coke Material

1,2
and
1,*
1
The Key Laboratory of Chemical Metallurgy Engineering, University of Science and Technology Liaoning, Anshan 114051, China
2
School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China
*
Author to whom correspondence should be addressed.
Academic Editor: Helmut Cölfen
Received: 6 November 2016 / Revised: 22 December 2016 / Accepted: 24 December 2016 / Published: 18 January 2017
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Abstract

Quantitative analysis by X-ray powder diffraction of two cokes (pitch coke and petroleum coke) shows that their crystal structure changed with increasing temperature. The crystal data processing of the crystallization degree of disorder is used with further improvement of the proposed microcrystalline-stacking fault calculation method. With this improvement it is now possible to obtain the degree of stacking disorder of two cokes applied as anode materials at different graphitization temperatures. Raman spectroscopy verified the accuracy of this method, which is more reliable than the crystal structure refinement using the d002 method. This paper provides the theoretical analysis and interpretation of the relationship between the microstructure model of the material and quantitative data, discharge capacity, and the first charge-discharge efficiency. View Full-Text
Keywords: degree of disorder; X-ray diffraction; microstructure; anode material degree of disorder; X-ray diffraction; microstructure; anode material
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Zhang, Z.; Wang, Q. The New Method of XRD Measurement of the Degree of Disorder for Anode Coke Material. Crystals 2017, 7, 5.

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