Rechargeable battery and associated methods
AssigneeSamsung SDI Co., Ltd.
InventorJinhee Kim
Life of this patent
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Abstract
A rechargeable battery and associated methods, the rechargeable battery including an anode, a cathode, wherein the cathode includes a ternary cathode-active material, a separator interposed between the cathode and the anode, an electrolyte, and a housing enclosing the electrolyte, the anode, and the cathode, wherein the electrolyte includes a lithium salt, a non-aqueous organic solvent, about 0.5 weight % to about 5 weight % of succinonitrile, and at least one of about 1 weight % to about 10 weight % of halogenated ethylene carbonate and about 1 weight % to about 5 weight % of vinyl ethylene carbonate.
Claims12
A rechargeable battery, comprising:
- an anode;
- a cathode, wherein the cathode includes a ternary cathode-active material;
- a separator interposed between the cathode and the anode;
- an electrolyte;
- and
- a housing enclosing the electrolyte, the anode, and the cathode, wherein the electrolyte includes:
- a lithium salt such that a concentration of the lithium salt in the electrolyte is about 1.15 M to about 1.5 M,
- a non-aqueous organic solvent,
- about 0.5 weight % to about 5 weight % of succinonitrile,
- about 1 weight % to about 10 weight % of halogenated ethylene carbonate, and
- about 1 weight % to about 5 weight % of vinyl ethylene carbonate.
A method of manufacturing a rechargeable battery, comprising:
- providing an anode;
- providing a cathode, wherein the cathode includes a ternary cathode-active material;
- providing a separator interposed between the cathode and the anode;
- providing an electrolyte;
- and
- providing a housing enclosing the electrolyte, the anode, and the cathode, wherein the electrolyte includes:
- a lithium salt such that a concentration of the lithium salt in the electrolyte is about 1.15 M to about 1.5 M,
- a non-aqueous organic solvent,
- about 0.5 weight % to about 5 weight % of succinonitrile,
- about 1 weight % to about 10 weight % of halogenated ethylene carbonate, and
- about 1 weight % to about 5 weight % of vinyl ethylene carbonate.
Dependencies are inferred from the claim text.