| abstract |
The invention provides and a kind ofly can obtain the high and nonaqueous electrolytic active material for anode of secondary cell of the battery that output characteristic under low temperature is good of initial stage discharge capacity.For this reason, the positive active material be made up of following lithium nickel composite oxide is used as positive electrode, described lithium nickel composite oxide is made up of offspring, and (003) face crystal grain diameter of this lithium nickel composite oxide obtained by X-ray diffraction and Scherrer formula be 1200 ~n wherein, described offspring is by general formula: Lin w (Nin 1-x-y con x aln y )n 1-z mn z on 2 the primary particle represented is formed, in general formula, and 0.98≤w≤1.10; 0.05≤x≤0.3; 0.01≤y≤0.1; 0≤z≤0.05; M is at least one metallic element be selected from Mg, Fe, Cu, Zn, Ga. |