1. Université de Bordeaux, CNRS, Bordeaux INP, ICMCB, UMR 5026, F-33600 Pessac, France
2. Umicore Rechargeable Battery Materials, 31 rue du marais, Brussels BE-1000, Belgium
3. Umicore, Materials Research and Development, Cheonan-Shi, Chungnam-Do 330-200, Korea