Abstract: Disclosed herein is a hybrid capacitor as a super capacitor including a positive electrode, a negative electrode, a separator, and an electrolyte solution, wherein the positive electrode includes a positive electrode active material including a material obtained by mixing a non-porous carbon material and a porous carbon material, and a positive electrode collector.

Abstract: It is to provide a method for manufacturing a metal electrode having transition metal oxide coating layer and a metal electrode manufactured thereby, which eliminates a contact resistance problem and simultaneously improves electric conductivity of the electrode by using a one body electrode, which is not requiring separate current collector and binder, and further maintains pseudo-capacitance from the redox reaction by coating the metal surface with a transition metal oxide.

Abstract: It is to provide a method for manufacturing a metal electrode having transition metal oxide coating layer and a metal electrode manufactured thereby, which eliminates a contact resistance problem and simultaneously improves electric conductivity of the electrode by using a one body electrode, which is not requiring separate current collector and binder, and further maintains pseudo-capacitance from the redox reaction by coating the metal surface with a transition metal oxide.

Abstract: Disclosed herein are electrodes having a multi-layered structure, including at least two active material layers formed on an electrode current collector or including at least two active material layers formed on an electrode current collector, wherein at least two active material layers are stacked thereon, and a supercapacitor comprising the same. The electrodes including at least two active material layers configured of the activated carbon layer having large specific surface area and the graphene layer having excellent electrical conductivity in order to reduce the internal resistance and stacked in a multi layered structure are manufactured and the supercapacitor includes the electrodes to increase capacitance due to the large specific surface area of the activated carbon and reduce the internal resistance due to excellent electrical conductivity of the graphene, thereby making it possible to improve the capacitance and electrical conductivity.

Abstract: There are provided a lithium ion capacitor and a method of fabricating the same. The lithium ion capacitor includes: a first electrode made of a first electrode material including activated carbon, a water-soluble metal oxide, and a water based binder; and a second electrode disposed to be faced to the first electrode, having a separating film therebetween and made of a second electrode material capable of reversibly containing lithium ions. Therefore, the lithium ion capacitor having improved energy density and output density may be provided, and the fabricating method thereof having environmentally-friendly characteristics and a competitive pricing may be provided.

Abstract: Provided is a lithium ion capacitor. The lithium ion capacitor includes an electrode cell provided with cathodes and anodes alternately disposed with the separators interposed therebetween, a first electrolyte in a phase of gel arranged on at least one surface of the anode and a second electrolyte in a phase of liquid immerged into the electrode cell.

Abstract: Disclosed herein is a doping apparatus for manufacturing an electrode of an energy storage device. The doping apparatus according to the exemplary embodiment of the present invention includes: a doping chamber body providing a doping space where a process of doping lithium ions onto an electrode plate is performed; a plurality of doping plates laminated vertically in the doping chamber body and containing lithium; and an electrode plate feeder feeding the electrode plate so that the electrode plate passes through gaps among the doping plates.

Abstract: Provided is a lithium ion capacitor. The lithium anode capacitor includes an anode including an anode active material layer including an anode current collector, first active material particles disposed on at least one surface of the anode current collector, and second active material particles disposed in pores between the first active material particles, increasing energy density of the lithium ion capacitor.

Abstract: Provided are a lithium ion capacitor and a method of manufacturing the same. The lithium ion capacitor includes an anode current collector, a first anode active material layer disposed on at least one surface of the anode current collector, and a second anode active material layer disposed on the first anode active material layer and formed of a lithium oxide layer having a spinel structure.

Abstract: Disclosed herein is an energy storage apparatus. The energy storage apparatus according to an exemplary embodiment of the present invention includes: a first electrode structure; a second electrode structure opposite to the first electrode structure; and an electrolyte positioned between the first electrode structure and the second electrode structure, wherein the first electrode structure includes: a first current collector having a rugged structure; and a first active material layer conformally covering the rugged structure.

Abstract: Provided is a method of manufacturing a lithium ion capacitor. The method includes the steps of: contacting a lithium supplying source to an anode directly; pre-doping lithium ions into the anode by immerging the anode and the lithium supplying source into a doping electrolyte solution; forming an electrode cell by sequentially stacking the lithium ions on the pre-doped anode and a cathode with placing a separator therebetween; cleaning the doping electrolyte solution absorbed to terminals of the electrode cell; fusing the terminals; and sealing the electrode cell with exposing the fused terminal.

Abstract: Disclosed herein is a doping apparatus for manufacturing an electrode of an energy storage device of the present invention. The doping apparatus according to the exemplary embodiment of the present invention includes a doping chamber body providing a inner space in which a process doping an electrode plate with lithium ion is performed; and a plurality of doping rollers provided in the doping chamber body and containing lithium, wherein the doping rollers wind and feed the electrode plate within the doping chamber body.

Abstract: Provided is an electrochemical capacitor including an electrolyte, an electrode cell immersed in the electrolyte, and including first and second electrodes alternately laminated with separators interposed therebetween, a housing in which the electrolyte and the electrode cell are contained, and a hydrofluoric acid adsorption member for adsorbing hydrofluoric acid (HF) applied on at least a portion of an inner surface of the housing.

Abstract: Disclosed herein is an electrode structure for an energy storage apparatus. The electrode structure according to an exemplary embodiment of the present invention includes a current collector; and an active material layer formed in the current collector, wherein the active material layer includes: an active material; and a conductive material having a relatively higher content than that of the active material as being away from the current collector.

Abstract: Provided are a method of manufacturing an electrode for an electrochemical capacitor and an electrochemical capacitor manufactured using the same. The method of manufacturing an electrode for an electrochemical capacitor includes immersing a metal foil in an acid solution to form a porous current collector having a skeleton structure with a surface roughness, applying an active material on the porous current collector, and pressing the porous current collector including the active material to distribute the active material into the porous current collector.

Abstract: Provided is a lithium ion capacitor. The lithium ion capacitor includes cathodes and anodes alternately disposed with the separators interposed therebetween. The cathode comprises a cathode collector and a cathode active material layer made of a first cathode active material layer disposed on at least one surface of the cathode collector and made of carbon/lithium metal oxide and a second cathode active material made of charcoal.

Abstract: Provided is a lithium ion capacitor. The lithium ion capacitor includes an electrode cell having cathodes and anodes alternately stacked with separators interposed therebetween, an electrolyte immerging the electrode cell and a housing to receive the electrode cell immerged into the electrolyte. Here, the electrolyte includes a carbonate group solvent and a viscosity control solvent.

Abstract: The present invention provides a pre-doping system of an electrode and a system using the same. The pre-doping system includes: a doping means for performing a doping process where lithium ions are doped into an electrode; a measuring means for performing a measuring process where an open-circuit potential of the electrode is measured; a switch unit for selectively performing any one of the doping process and the measuring process; a controller for controlling the doping means, the measuring means, and the switch unit and acquiring the open-circuit potential of the electrode measured by the measuring means.

Abstract: A method for manufacturing a lithium ion capacitor, and a lithium ion capacitor manufactured using the method are provided. The method for manufacturing a lithium ion capacitor includes: disposing a lithium metal on a capacitor cell including a cathode, a separation film, and an anode; impregnating the capacitor cell with electrolyte including a lithium salt; changing the cathode and the anode to allow lithium ions within the electrolyte to be occluded into the anode; performing a primary reaction in which the cathode and the lithium metal are short-circuited to emit anions from the cathode and lithium ions from the lithium metal and a secondary reaction that the lithium ions emitted from the lithium metal are occluded into the cathode; and recharging the cathode and the anode to allow the lithium ions, which have been occluded into the cathode and the lithium ions within the electrolyte, to be occluded into the anode.

Abstract: Disclosed is an electrolyte solution composition including: a lithium salt including lithium ions; a non-lithium salt for reducing an amount of the lithium salt to be hydrolyzed; and a solvent for dissolving the lithium salt and the non-lithium salt.