There is provided a non-aqueous electrolyte cell having a high capacity and superior in cyclic characteristics. Specifically, there is provided a non-aqueous electrolyte cell including a cathode 2 containing a cathode/positive active material, an anode 3 c...

In a nonaqueous electrolytic secondary battery according to the invention, hexagonal system lithium containing cobalt composite oxide having a crystallite size in a (110) vector direction of 1000Å or more and having a halogen compound added thereto by bur...

A lithium secondary battery having improved load characteristics such as high rate discharge properties is obtained by using a mixed cathode active material comprising a mixture of lithium-containing manganese oxide having a spinel type crystal structure a...

A lithium-manganese complex oxide represented by a formula Li[MnLiM]O(wherein M is at least one element selected from the groups IIa, IIIb and VIII of the 3rd and 4th periods, and 0.02 ≤ X ≤ 0.10, 0.05 ≤ Y ≤ 0.30 and -0.2 ≤ δ ≤ 0.2), having a ...

The invention provides a lithium manganese oxide spinel suited as a cathode active material for lithium ion secondary batteries showing excellent high-temperature cycling behavior. The lithium manganese oxide is represented by the following general formula...

Lithium-mixed oxide particles are coated with alkali metal compounds and metal oxides. An Independent claim is also included for the production of lithium-mixed oxide coated particles comprising suspending the particles in an organic solvent; adding an alk...

The present invention provides a lithium manganese oxide, wherein a content of sulfur is not more than 0.32 % by weight, and an averaged diameter of pores is not less than 120 nanometers, and the lithium manganese oxide is represented by Li1+xMn2-x-yMyO4 ,...