Effect of ball-milling on the rate and cycle-life performance of graphite as negative electrodes in lithium-ion capacitors

Abstract A commercial graphite is ball-milled and the pristine and ball-milled graphites are characterised for use as negative electrodes in lithium-ion capacitors (LICs). Ball milling graphite results in a decrease in discharge capacity when the charge rate is relatively slow, whereas, it leads to an increase in discharge capacity when the charge rate is high. When charged at 0.1 C, the discharge capacities of pristine, 3 h, 10 h and 30 h-milled materials at 6 C are 75, 69, 67 and 66% of theoretical capacity, respectively; however, when charged at 60 C, the discharge capacities of pristine, 3 h, 10 h and 30 h-milled materials, at 60 C, fall to 0.9, 13, 23 and 24% of theoretical capacity, respectively (theoretical capacity: 372 mAh g−1, for LiC6 stoichiometry). This difference in the discharge rate capability behaviour of the pristine and ball-milled graphites with charge rate is attributed to the interplay of two different charge storage mechanisms: Li-ion intercalation and Li-ion adsorption that co-exist; but the later becomes more significant for milled samples. In terms of cycle-life performance, pristine and ball-milled graphites follow similar trends observed for their rate capability behaviour.

[1]  J. Tarascon,et al.  Transmission electron microscopy studies on carbon materials prepared by mechanical milling , 1999 .

[2]  Jing-tang Zheng,et al.  Synthesis and characterization of silicon carbide whiskers , 2001 .

[3]  Changyin Wang,et al.  Lithium insertion in ball-milled graphite , 1998 .

[4]  F. Béguin,et al.  High-energy density graphite/AC capacitor in organic electrolyte , 2008 .

[5]  Michael A. Wilson,et al.  X-ray diffraction line profile analysis of nanocrystalline graphite , 2008 .

[6]  Nobuhiro Ogihara,et al.  Disordered carbon negative electrode for electrochemical capacitors and high-rate batteries , 2006 .

[7]  J. Rouzaud,et al.  Correlation of the irreversible lithium capacity with the active surface area of modified carbons , 2005 .

[8]  T. S. Ong,et al.  Lithium Intercalation into Mechanically Milled Natural Graphite: Electrochemical and Kinetic Characterization , 2002 .

[9]  Raphaël Janot,et al.  Ball-milling in liquid media: Applications to the preparation of anodic materials for lithium-ion batteries , 2005 .

[10]  J. Tarascon,et al.  Physical characterization of carbonaceous materials prepared by mechanical grinding , 1999 .

[11]  Irene M. Plitz,et al.  A comparative study of Li-ion battery, supercapacitor and nonaqueous asymmetric hybrid devices for automotive applications , 2003 .

[12]  K. Edström,et al.  Rate capability of natural Swedish graphite as anode material in Li-ion batteries , 2003 .

[13]  J. Tarascon,et al.  Unique effect of mechanical milling on the lithium intercalation properties of different carbons , 1997 .

[14]  Bimodal Porous Carbon as a Negative Electrode Material for Lithium-Ion Capacitors , 2007 .

[15]  A. Pandolfo,et al.  Rate capability of graphite materials as negative electrodes in lithium-ion capacitors , 2010 .

[16]  L. Duclaux,et al.  Reactive milling of graphite with lithium: Application to lithium batteries , 2002 .

[17]  H. Fujimoto,et al.  Effect of mechanical milling of graphite powder on lithium intercalation properties , 2001 .

[18]  B. Way,et al.  Dependence of the electrochemical intercalation of lithium in carbons on the crystal structure of the carbon , 1993 .

[19]  A. Yoshino,et al.  Development of a Lithium-Type Advanced Energy Storage Device , 2004 .

[20]  D. Guérard,et al.  Ball-milling: the behavior of graphite as a function of the dispersal media , 2002 .

[21]  Masayuki Morita,et al.  Analyses of Capacity Loss and Improvement of Cycle Performance for a High-Voltage Hybrid Electrochemical Capacitor , 2007 .

[22]  T. S. Ong,et al.  Effect of atmosphere on the mechanical milling of natural graphite , 2000 .

[23]  J. Dahn,et al.  Energy and Capacity Projections for Practical Dual‐Graphite Cells , 2000 .

[24]  Ki-Young Lee,et al.  Effect of Surface Structure on the Irreversible Capacity of Various Graphitic Carbon Electrodes , 1999 .

[25]  F. Nobili,et al.  Electrochemical behavior of superdense ‘LiC2’ prepared by ball-milling , 2003 .

[26]  H. Fujimoto,et al.  Charge‐Discharge Characteristics of the Mesocarbon Miocrobeads Heat‐Treated at Different Temperatures , 1995 .

[27]  N. Balasooriya,et al.  Lithium electrochemical intercalation into mechanically and chemically treated Sri Lanka natural graphite , 2006 .

[28]  P. Biensan,et al.  On the choice of graphite for lithium ion batteries , 1999 .

[29]  D. Guérard,et al.  Ball milling: a new route for the synthesis of superdense lithium GICs , 2001 .

[30]  J. Tarascon,et al.  Effect of Mechanical Grinding on the Lithium Intercalation Process in Graphites and Soft Carbons , 1996 .

[31]  M. Yoshio,et al.  Effect of milling on the electrochemical performance of natural graphite as an anode material for lithium-ion battery , 1999 .

[32]  Michael A. Wilson,et al.  Unoccupied electronic structure of ball-milled graphite. , 2010, Physical chemistry chemical physics : PCCP.

[33]  R. Menéndez,et al.  Electrochemical, textural and microstructural effects of mechanical grinding on graphitized petroleum coke for lithium and sodium batteries , 2003 .

[34]  J. Tarascon,et al.  Influence of Oxygen and Hydrogen Milling Atmospheres on the Electrochemical Properties of Ballmilled Graphite , 2001 .

[35]  J. Tarascon,et al.  On the benefits of ball milling within the field of rechargeable Li-based batteries , 2005 .

[36]  Tao Zheng,et al.  An Asymmetric Hybrid Nonaqueous Energy Storage Cell , 2001 .