Figure 12

X-ray diffraction patterns of GLG. (A) Before and after charged or discharged to various cell voltages, (B) 0.48 V, (C) 0 V during 1^st charge (D) 1.2 V, (E) 2 V during 1^st discharge (F) 0 V during 2^nd charge, and (G) during 2^nd discharge.