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US 2014/0178739 A1Published application
Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same
AssigneeSamsung SDI Co., Ltd.
InventorTae-Jin Jung
Life of this patent
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Abstract
Disclosed is a positive electrode for a rechargeable lithium battery that includes a positive active material including lithium-nickel cobalt manganese composite metal oxide, wherein the positive active material has an increase rate of a specific surface area of from about 66.4% to about 77.5% after pressing relative to a specific surface area of the positive active material before pressing, and the positive electrode has an active mass density of from about 2.514 g/cc to about 3.389 g/cc.
Claims14
A positive electrode for a rechargeable lithium battery, comprising
- a positive active material comprising lithium-nickel cobalt manganese composite metal oxide, wherein the positive active material has an increase rate of from about 66.4% to about 77.5% of a specific surface area after pressing relative to a specific surface area of the positive active material before pressing, and wherein the positive electrode has an active mass density of from about 2.514 g/cc to about 3.389 g/cc.
A rechargeable lithium battery, comprising
- a negative electrode including a negative active material;
- a positive electrode including a positive active material including lithium-nickel cobalt manganese composite metal oxide;
- a separator interposed between the negative electrode and positive electrode;
- and
- an electrolyte,
- wherein the positive active material has an increase rate of from about 66.4% to about 77.5% of a specific surface area after pressing relative to a specific surface area of the positive active material before pressing, and
- wherein the positive electrode has an active mass density of from about 2.514 g/cc to about 3.389 g/cc.
4 more elements
Dependencies are inferred from the claim text.