ENERGY STORAGE DEVICE
First Claim
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1. An energy storage device, comprising:
- a cathode electrode and an anode electrode, each including a current collector and an electrode material;
a cathode lead wire and an anode lead wire;
a separator disposed between the cathode electrode and the anode electrode to electrically isolate the cathode electrode and the anode electrode from each other;
a housing for receiving the cathode electrode, the anode electrode and the separator;
an electrolyte filled in the housing; and
a cathode terminal and an anode terminal connected to the cathode lead wire and the anode lead wire, respectively,wherein the electrode material of any one of the cathode electrode and the anode electrode includes an aqueous solvent, a binder for an aqueous solvent and metal oxide, and the electrode material of the other electrode includes activated carbon.
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Abstract
Disclosed is an energy storage device, in which an electrode material including an aqueous solvent, a binder and a transition metal oxide containing lithium is used to form one electrode, and an electrode material including activated carbon is used to form the other electrode. In particular, the energy storage device ensures reliability and maximum capacitance efficiency by optimizing density and thickness values of the electrode materials for the cathode electrode and the anode electrode.
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Citations
13 Claims
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1. An energy storage device, comprising:
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a cathode electrode and an anode electrode, each including a current collector and an electrode material; a cathode lead wire and an anode lead wire; a separator disposed between the cathode electrode and the anode electrode to electrically isolate the cathode electrode and the anode electrode from each other; a housing for receiving the cathode electrode, the anode electrode and the separator; an electrolyte filled in the housing; and a cathode terminal and an anode terminal connected to the cathode lead wire and the anode lead wire, respectively, wherein the electrode material of any one of the cathode electrode and the anode electrode includes an aqueous solvent, a binder for an aqueous solvent and metal oxide, and the electrode material of the other electrode includes activated carbon. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification