Li insertion in ballmilled graphitic carbon studied .
J. Phys.: Condens. Matter 23 (2011) 435003 V Petkov et al Figure 6. Synchrotron XRD patterns for not and electrochemically lithiated graphitic carbon in pristine state (a) and ballmilled for 10 min (b), 70 min (c), 150 min (d), 310 min ...