用硫酸铈作氧化剂，通过液相法将普通的天然石墨进行氧化改性。
General natural graphite was modified by liquid-phase oxidation method using cerium sulfate as an oxidant.
对近期锂离子电池负极材料方面的研究和开发工作进行了综述。主要包括无定形碳材料、新型负极材料和天然石墨的改性。
The latest research and development on anode materials for Li-ion batteries were reviewed, which included amorphous carbons, novel anode materials and modification of natural graphite.
综述了用于锂离子电池负极的石墨材料的修饰与改性方法，所研究的石墨材料包括天然石墨、人造石墨和石墨化碳纤维。
Modifications of graphite materials for negative electrode of lithium ion batteries were reviewed. Natural graphite, artificial graphite and graphitic carbon fiber were discussed.
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