Conductive polymer polyaniline covering promotes the electrochemical properties of a nickel-rich quaternary cathode LiNi0.88Co0.06Mn0.03Al0.03O2

Conductive polymer PANI coated Ni-rich quaternary cathode LiNi 0.88 Co 0.06 Mn 0.03 Al 0.03 O 2 demonstrates superior cycling performance owing to the stable surface protective layer.