石墨电极首次阴极极化过程的两电极和三电极电化学阻抗谱研究

被引:7
作者
庄全超 [1 ]
田雷雷 [1 ]
魏国祯 [2 ]
董全峰 [2 ]
孙世刚 [2 ]
机构
[1] 中国矿业大学材料科学与工程学院
[2] 固体表面物理化学国家重点实验室,厦门大学化学化工学院化学系
关键词
锂离子电池; 石墨电极; 电化学阻抗谱; SEI膜;
D O I
暂无
中图分类号
O646.54 [电极过程];
学科分类号
摘要
运用电化学阻抗谱(EIS)并结合扫描电子显微镜(SEM)研究了石墨电极在两电极扣式电池和三电极玻璃电解池中的首次阴极极化过程.研究指出,两电极扣式电池体系中石墨电极首次阴极极化过程的EIS谱特征及其变化不能解释固体电解质相界面膜(SEI膜)的形成过程,但是可以用三电极玻璃电解池中获得的石墨电极首次阴极极化的EIS谱特征及其变化加以说明.结果表明,在石墨负极首次阴极极化过程中SEI膜主要在1.0~0.6V电位区间形成.
引用
收藏
页码:1233 / 1237
页数:5
相关论文
共 10 条
  • [1] LiCoO正极材料电子和离子传输特性的电化学阻抗谱研究
    庄全超
    许金梅
    樊小勇
    姜艳霞
    董全峰
    黄令
    孙世刚
    [J]. 科学通报, 2007, (02) : 147 - 153
  • [2] 锂离子电池电解液中甲醇杂质对石墨电极性能影响机制的电化学阻抗谱研究
    庄全超
    陈作锋
    董全峰
    姜艳霞
    周志有
    孙世刚
    [J]. 高等学校化学学报, 2005, (11) : 105 - 108+7
  • [3] Impedance spectroscopy on porous materials: A general model and application to graphite electrodes of lithium-ion batteries[J] . Fabio La Mantia,Jens Vetter,Petr Novák.Electrochimica Acta . 2008 (12)
  • [4] First lithiation and charge/discharge cycles of graphite materials, investigated by electrochemical impedance spectroscopy[J] . M. Holzapfel,A. Martinent,F. Alloin,B. Le Gorrec,R. Yazami,C. Montella.Journal of Electroanalytical Chemistry . 2003
  • [5] Two- and three-electrode impedance spectroscopy of lithium-ion batteries
    Song, JY
    Lee, HH
    Wang, YY
    Wan, CC
    [J]. JOURNAL OF POWER SOURCES, 2002, 111 (02) : 255 - 267
  • [6] Irreversible capacities of graphite anode for lithium-ion batteries[J] . Chunsheng Wang,A.John Appleby,Frank E Little.Journal of Electroanalytical Chemistry . 2002 (1)
  • [7] Three-electrode button cell for EIS investigation of graphite electrode[J] . A. Martinent,B. Le Gorrec,C. Montella,R. Yazami.Journal of Power Sources . 2001
  • [8] Review of selected electrode–solution interactions which determine the performance of Li and Li ion batteries[J] . Doron Aurbach.Journal of Power Sources . 2000 (2)
  • [9] Electroreduction of graphite in LiClO 4 -ethylene carbonate electrolyte. Characterization of the passivating layer by transmission electron microscopy and Fourier-transform infrared spectroscopy[J] . A. Naji,J. Ghanbaja,B. Humbert,P. Willmann,D. Billaud.Journal of Power Sources . 1996 (1)
  • [10] Simultaneous measurements and modeling of the electrochemical impedance and the cyclic voltammetric characteristics of graphite electrodes doped with lithium .2 M.D. Levi,D. Aurbach. J. Phys. Chem. B . 1997