1. CNRS, Université Bordeaux, Bordeaux INP, ICMCB UPR 9048, F-33600 Pessac, France
2. Umicore, Materials Research and Development, Cheonan-Si, Chungnam-Do 330-200, Korea
3. Umicore Rechargeable Battery Materials, 31 rue du marais, Brussels BE-1000, Belgium
4. CELLS - ALBA synchrotron, Cerdanyola del Vallès, E-08290 Barcelona, Spain