Positive electrode active material for lithium secondary battery, method for manufacturing the same, and lithium secondary battery
AssigneeNippon Chemical Industrial Co., Ltd.
InventorYoshihide Ohishi
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Abstract
A positive electrode active material for a lithium secondary battery according to an aspect of the present invention is a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a sulfate and conducting firing and which contains magnesium atoms and sulfate groups, wherein a magnesium halide is used as the magnesium compound.
Claims12
A positive electrode active material for a lithium secondary battery comprising:
- a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a sulfate and conducting firing and which contains magnesium atoms and sulfate groups,
- wherein a magnesium halide is used as the magnesium compound.
A method for manufacturing a positive electrode active material for a lithium secondary battery, the method comprising the step of:
- using a magnesium halide as a magnesium compound in a method for manufacturing a lithium-transition metal compound oxide containing magnesium atoms and sulfate groups by mixing a lithium compound, a transition metal compound, the magnesium compound, and a sulfate and conducting firing.
A lithium secondary battery comprising a positive electrode active material, said positive electrode active material comprising:
- a lithium-transition metal compound oxide which is produced by mixing a lithium compound, a transition metal compound, a magnesium compound, and a sulfate and conducting firing and which contains magnesium atoms and sulfate groups,
- wherein a magnesium halide is used as the magnesium compound.
Dependencies are inferred from the claim text.