Various lithium cobalt oxides materials having a chemical formula of LiCoO, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio M:Mof a lithium-containing salt, and a c...

An object of the present invention is to provide a method for producing a cathode active material, which enables stable/consistent production of a cathode active material that can improve characteristics (e.g., capacity and durability) of a lithium seconda...

A positive active material, an electrode including the positive active material, and a lithium battery including the electrode are provided. Due to the inclusion of a phosphate compound having the olivine structure and a lithium nickel composite oxide in t...

Gas generation in a battery is suppressed, and high safety is realized. The battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode col...

A secondary battery includes an electrode assembly including a positive electrode having a positive active material, a negative electrode including a negative active material, and a separator between the positive and negative electrodes. The positive activ...

A nonaqueous electrolyte secondary battery which has a positive electrode containing lithium cobalt oxide as a positive active material, a negative electrode containing a graphite material and a nonaqueous electrolyte solution containing ethylene carbonate...

Lithium composite metal oxides prepared by mixing two or more hydroxides of different types of metal selected from the group of nickel, cobalt, manganese and aluminum and a lithium compound of which the D50 value is in the range 5 to 50 µm, the D90 value ...

The positive electrode active material of the present invention is characterized in that its main component is a lithium metal oxide, and the lithium concentration at the surface portion of the primary particles that make up the active material is lower th...

It is the object of the invention to provide a cathode material capable of improving charge-and-discharge cycle characteristics and a battery using the cathode material. A rolled electrode body (20) is provided, the rolled electrode body being comprised of...

A single phase cathodic material for use in an electrochemical cell represented by the formula: LiÄLixCoyA1-x-yÜO2 wherein A = ÄMnzNi1-zÜ; wherein x is a numerical value ranging from approximately 0.00 to approximately 0.16; wherein y is a numerical va...