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电化学  2012 

颗粒粒径与硫酸处理对竹碳电极电化学性能影响的研究

, PP. 314-317

Keywords: 竹碳,负极材料,锂离子电池

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Abstract:

将竹碳进行球磨和硫酸处理,比较颗粒粒径和硫酸处理时间对竹碳电极电化学性能的影响.结果表明,5μm平均粒径的竹碳电极具有较好的充放电效率,而硫酸处理可有效提高材料的放电容量,18h硫酸处理的竹碳电极首次放电比容量可达328.2mAh?g-1,50次循环后其比容量仍保持302.3mAh?g-1,显示出优异的循环寿命.

References

[1]  Menachem C, Wang Y, Flowers J, et al. Characterization of lithiated natural graphite before and after mild oxidation[J]. Journal of Power Sources, 1998, 76(2): 180-185.
[2]  Chen J M, Yao C Y, Cheng C H, et al. Cokes as negative electrodes in secondary batteries[J]. Journal of Power Sources, 1995, 54(2): 494-495.
[3]  Nakamura H, Komatsu H, Yoshio M. Suppression of electrochemical decomposition of propylene carbonate at graphite anode in lithium-ion cells[J]. Journal of Power Sources, 1996, 62 (2): 219-222.
[4]  Wu H M(吴惠明),Tu J P(涂江平),Li Y(黎阳),et al. Characterization and electrochemical performance of bamboo charcoal[J]. Journal of Materials Science & Engineering(材料科学与工程学报), 2005, 23 (2): 157-159.
[5]  Zhou Y Y(周友元), Li X H(李新海), Guo H J(郭华军), et al. Study on the performance of carbon-graphite composite coated by pitch[J]. Journal of Functional Materials(功能材料) , 2007, 38 (6): 955-957.
[6]  Yin G P(尹鸽平), Cheng X Q(程新群), Gao Y Z(高云智), et al. Influence of phosphorus-doping on lithium intercalation behavior of hard and soft carbons[J]. Materials Science & Technology(材料科学与工艺), 2003, 11(2): 159-163.
[7]  Kim Y J, Lee H J, Lee S W, et al. Effects of sulfuric acid treatment on the microstructure and electrochemical performance of a polyacrylonitrile (PAN)-based carbon anode[J]. Carbon, 2005, 43(1): 163-169.

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