POSITIVE ACTIVE MATERIAL, MANUFACTURING METHOD THEREOF, AND POSITIVE ELECTRODE AND LITHIUM BATTERY INCLUDING THE MATERIAL
First Claim
Patent Images
1. A positive active material comprising:
- a core comprising an overlithiated lithium transition metal oxide; and
a coating layer which is disposed on at least a portion of a surface of the core, the coating layer comprising a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal.
3 Assignments
0 Petitions
Accused Products
Abstract
A positive active material including: a core including an overlithiated lithium transition metal oxide, and a coating layer which is disposed on at least a portion of a surface of the core, the coating layer including a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal. Also a manufacturing method thereof, and a positive electrode and a lithium battery including the positive active material.
4 Citations
19 Claims
-
1. A positive active material comprising:
-
a core comprising an overlithiated lithium transition metal oxide; and a coating layer which is disposed on at least a portion of a surface of the core, the coating layer comprising a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A method of manufacturing a positive active material, the method comprising:
-
preparing a mixture which includes an overlithiated lithium transition metal oxide and a polymer having an oxidation potential of about 4.4 volts to about 4.7 volts versus lithium metal; and heat treating the mixture to manufacture the positive active material. - View Dependent Claims (17, 18, 19)
-
Specification