石墨提纯工艺研究进展综述和新技术展望

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Abstract Graphite has excellent performance, such as electricity, heat resistance, good toughness, corrosion resistance, strong plasticity, good lubrication, which can be widely used in metallurgy, machinery, electronics, chemical industry, medicine, national defense, aerospace and other industries. It is an essential non-metallic material for the development of high-tech. The purity of graphite determines the comprehensive use performance of graphite products, but the key technology of graphite purification is control in the United States and other developed countries. China's high purity graphite mostly relies on imports. This article mainly introduced the research progress of different graphite purification processes, including the principles of purification process, purification conditions and purification equipments, which can provide reference for realizing the effective utilization of graphite resources in China.

Key words： graphite purification alkali acid method hydrothermal method

Published: 08 January 2021

CLC number:

TQ127.11

About author:: Sansheng Wang received his B.E. degree from Shandong (Industrial) University in 1996, received his Ph.D. degree from Dalian University of Technology at the State Key Laboratory of Materials Modification by Laser, Ion and Electron Beams in 2001,and then he did postdoctoral research in the Department of Physics, Tsinghua University in 2002—2004. Now he is currently a full professor in Beihang University, his research inte-rests include graphite and superconducting materials, third generation semiconductors, preparation and application of soft magnetic materials and high sensitive magnetic sensors.

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	WANG Sansheng
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Cite this article:

WANG Sansheng,WANG Ying. Research Progress and New Technology Prospect of Graphite Purification Technology[J]. Materials Reports, 2020, 34(Z2): 147-151.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2020/V34/IZ2/147

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