Applying Experimental Statistical Method for the Preparation of Nanometric-Sized LiNi0.8Co0.2O2 Powders as a Cathode Material for Lithium Batteries

Nanometric-sized LiNi
_0.8
Co
_0.2
O
₂
powders were obtained from the resins synthesized by the polymerization of citric acid and cellulose. The powder calcined at 600degC exhibited a pure high temperature phase of LiNi
_0.8
Co
_0.2
O
₂
. The surface response method was applied for the optimal preparatory conditions of LiNi
_0.8
Co
_0.2
O
₂
powder; as a result nanometric-sized LiNi
_0.8
Co
_0.2
O
₂
powder with average particle size of about 65 nm was prepared. The first run discharge capacity of the electrode prepared by the optimal experiment was 168 mAh/g.Key words: LiNi
_0.8
Co
_0.2
O
₂
, nanometric-sized, optimal preparatory conditions.