The authors regret < The Fig. 3b is corrected with the figure below;Image 1 The authors regret < The Fig. 3b is corrected with the figure below; In the conclusion (in page 9), “Li (Ni0.8Co0.1Mn0.1)1-0.1Cu0.1O2”is corrected with “Li(Ni0.8Co0.1Mn0.1)1-0.01Cu0.01O2”>.The authors would like to apologise for any inconvenience caused. The authors would like to apologise for any inconvenience caused.