The authors regret the reference 20 was not cited correctly, the correct reference 20 should be “S. Verdier, L. EI Ouatani, R. Dedryvere, F. Bonhomme, P. Biensan, D. Gonbeau, XPS study on Al2O3- and AlPO4-coated LiCoO2 cathode material for high-capacity Li ion batteries, J. Electrochem. Soc. 154 (2007) A1088-A1099.” The authors would like to apologise for any inconvenience caused.