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热处理改进天然石墨的电化学性能
Improvement of Electrochemical Property of Natural Graphite by Heat-treatment
【Abstract】 The electrochemical property of natural graphite was improved by heat treatment . The treated natural graphite(average particle size of 20 μm) showed reversible specific capacitance of 335 mA·h/g and charge discharge efficiency of 84 3% in the first cycle. The cause of the improvement has been explained in terms of formation of more stable solid electrolyte interface.
【关键词】 锂离子电池;
天然石墨;
负极材料;
热处理;
【Key words】 lithium ion batteries; natural graphite; negative material; heat treatment;
【Key words】 lithium ion batteries; natural graphite; negative material; heat treatment;
- 【文献出处】 应用化学 ,Chinese Journal of Applied Chemistry , 编辑部邮箱 ,2002年08期
- 【分类号】TM911
- 【被引频次】12
- 【下载频次】200