Abstract: A supercapacitor and a manufacturing method thereof are disclosed. With manufacturing method of Supercapacitor including: arranging a plurality of filters to be spaced at a designated interval apart, forming a first plating layer connecting one end of the filter, forming a second plating layer lengthened along the filter from the first plating layer, polymerizing to form a conductive polymer layer between the second plating layer, and removing the filter, capacitance (C), power (kw) and energy (E) can be increased as the space for absorbing electrons is widened, by making the surface area of an electrode wider than the a general film.

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: An energy storage module formed by electrically connecting a plurality of energy storage cells using terminal connecting members which are resistant to corrosion or external impact is disclosed. The energy storage module includes terminal connection members, each including a first plate having a conductive flat bar shape and terminal insertion holes formed in both ends thereof and at least one second plate having the same shape as the first plate and stacked on the first plate, wherein the first plate has an insulating layer formed on lower surface thereof; and at least two energy storage cells having terminals inserted into the terminal insertion holes of the terminal connection members and electrically connected to each other in series or in parallel by the terminal connection members.

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: There is provided a method for manufacturing a lithium manganese oxide-carbon nano composite by mixing a lithium ion solution with a manganese ion solution, dispersing a carbon material in the solution in which the lithium ion is mixed with the manganese ion, and forming the lithium manganese oxide on a surface of the carbon material by maintaining the solution in which the carbon material is dispersed at a predetermined temperature. In addition, there is provided the lithium manganese oxide-carbon nano composite formed by coating the carbon material with the lithium manganese oxide at a thickness of several nm. There is provided a manufacturing apparatus capable of coating the carbon material with the lithium manganese oxide at a thickness of several nm.

Abstract: There are provided an electrochemical capacitor and a method for manufacturing the same. The electrochemical capacitor according to the present invention includes: a plurality of first and second electrodes disposed to be opposite to each other; a separator disposed between the first and second electrodes; wherein at least one of the plurality of first electrodes is made of an electrode material doped with lithium ions and a lithium layer having the dendrite is formed on the surface of the electrode material.

Abstract: There are provided an electrolyte for a lithium ion capacitor and a lithium ion capacitor including the same. The electrolyte for a lithium ion capacitor according to the present invention includes: a lithium salt; and a mixing solvent including i) two or more compounds selected from a group consisting of cyclic carbonate compounds, ii) one or more compounds selected from a group consisting of linear carbonate compounds represented by a specified Formula, and iii) one or more compound selected from a group consisting of propionate compound represented by a specified Formula.

Abstract: Disclosed is a secondary power source and a manufacturing method thereof. The secondary power source includes a unit cell formed by sequentially laminating a first electrode, a separation film, and a second electrode, wherein the first electrode is formed by forming a first electrode material, into which lithium ions can be irreversibly occluded, on a first conductive sheet, and the first electrode is laminated in the unit cell after lithium ions are occluded into the first electrode material by using a metal that can supply lithium ions.

Abstract: There are provided a device for fabricating an electrode by a roll-to-roll process and a method for fabricating an electrode. The device for fabricating an electrode includes an unwinding roll and a winding roll travelling an electrode material; a film forming roll disposed between the unwinding roll and the winding roll allowing the electrode material to travel along a cylindrical surface of the film forming roll and having a cooling unit cooling the electrode material; and an evaporation unit receiving a lithium source and mounted for the received lithium source to form a thin film in the electrode material positioned on the film forming roll. Thereby, the lithium is deposited in a vacuum atmosphere such that the process is simple and the deposition rate and the deposition uniformity of lithium can be improved.

Abstract: Provided are a method of manufacturing an electrode for a secondary power source, and a secondary power source. The method includes forming an electrode active material on a conductive sheet, forming a Li thin film layer by depositing lithium (Li) on the electrode active material, doping the electrode active material with the deposited Li, and controlling a doping level by monitoring the doping amount of Li. Accordingly, a cathode is doped with Li ions before a cell is assembled, thereby simplifying the manufacturing process, enhancing the doping rate of Li ions, and making the doping amount even.

Abstract: Disclosed herein is a doping bath for fabricating an energy storage device, including: a doping bath that receives an electrolyte; a lithium foil that is provided in the doping bath; and a power supply means that supplies power to the lithium foil and at least one cell laminate provided to be sunk in the electrolyte in the doping bath, wherein the power supply means performs a charging process to supply power between a cathode and an anode of the cell laminate and a discharging process to supply power between the lithium foil and the cathode of the cell laminate to dope the anode of the cell laminate with lithium.

Abstract: Disclosed herein is a secondary battery having an electrode assembly received in a receiving part of a battery case, the electrode assembly being constructed in a structure in which pluralities of cathodes and anodes are stacked one on another while separators are disposed between the respective cathodes and anodes, and electrode taps extending from the stacked cathodes and anodes are coupled to electrode leads, wherein the receiving part of the battery case is provided at the outer upper end thereof with a depressed step such that at least a portion of the inner upper end of the receiving part of the battery case excluding the electrode taps-electrode lead coupling parts of the electrode assembly is in tight contact with the upper end of the electrode assembly.

Abstract: Disclosed herein is a magnesium secondary battery. The magnesium secondary battery includes an anode, a cathode, and an electrolyte material in which carrier ions, used as carriers between the anode and the cathode at the time of charge/discharge, are received, wherein at least any one of the cathode and the cathode is composed of a spinel crystal structure having magnesium ions Mg.

Abstract: There is provided an electric double layer capacitor and a method of manufacturing the same. The electric double layer capacitor includes first and second electrodes facing each other; and an ion-permeable separator interleaved between the first and second electrodes, wherein at least one of the first and second electrodes includes a metallic fiber being compressed to have pores therein and an electrode material filling the pores. The electric double layer capacitor has low equivalent series resistance (ESR) and high output density. Also, since the electrodes are formed to be thin, the electric double layer capacitor can be miniaturized.

Abstract: The present invention relates to a method of location management on the road using RFID series. In particular, the present invention provides RFID series, where a number of RFID tags are concurrently installed without the need of installing RFID tags one by one and ID of each RFID tag is automatically computed, and therefore work can be completed with a little time and workforce without confusion even where a number of RFID tags are required in order to constitute an RFID system, and a method of location management on the road to specifically grasp the location where an optional thing on the road (e.g. a car) stops or moves using the RFID series.

Abstract: There is provided a chip-type electric double layer capacitor cell and a method of manufacturing the same. The chip-type electric double layer capacitor cell includes a separator folded to include first and second folded portions with first and second open portions formed in opposite directions by the first and second folded portions, and first and second electrodes inserted into the first and second open portions. The positions of the first and second electrodes are fixed by the first and second folded portions of the separator, and accordingly, the appropriate arrangement of the plurality of first and second electrodes is facilitated. A short circuit between the first and second electrodes is avoided to thereby increase the capacitance of the chip-type electric double layer capacitor cell.

Abstract: Provided are a positive active material and a method of preparing the same. The positive active material includes LiM2-yNyO4 (0<y?2, M and N are transition metals) surface-treated with a nickel (Ni)-containing compound. The positive active material coated with a metal oxide has excellent high-rate discharge performance without a decrease in capacity even at a higher discharge rate in comparison with a capacity at a low discharge rate (C-rate), and a method of preparing the positive active material.

Abstract: There is provided an electric double layer capacitor including: a multilayer electric double layer capacitor cell including first and second electrodes facing each other with an ion-permeable separator interposed therebetween; and an insulating tape with which to enclose an outer surface of the multilayer electric double layer capacitor cell and having a plurality of pores. In the electric double layer capacitor, movements between the first and second electrodes and the ion-permeable separator are minimized so that the area of the facing surfaces of the first and second electrodes increases. Accordingly, high capacitance may be achieved. In addition, the pores formed in the insulating tape facilitate the path of an electrolyte so that the impregnation of the electrolyte into the multilayer electric double layer capacitor cell is thereby facilitated.

Abstract: Provided are a conductive paste composition for inner electrodes and a method of manufacturing a multilayer ceramic capacitor using the same. The conductive paste composition for inner electrodes includes a metal powder having an average particle size ranging from 50 nm to 300 nm, and 4 to 10 parts by weight of a binder resin. The binder resin contains at least one resin selected from the group consisting of a high-molecular-weight polyvinylbutyral resin having a weight-average molecular weight of 250 thousands to 400 thousands, a low-molecular-weight polyvinylbutyral resin having a weight-average molecular weight of 50 thousands to 150 thousands, and a rosin ester.

Abstract: The present invention relates to a method for constructing location management system using RFID series. In particular, the present invention provides RFID series to complete work with a little time and workforce without confusion by concurrently installing a number of RFID tags, even where a number of RFID tags are required in order to constitute an RFID system, and a method for constructing a system to effectively manage the location of an objective space using RFID series, wherein additional drawings (or computerized drawings) for an objective space are nor required even where RFID tags are attached over a considerably wide space, but rather drawings for location management system of an objective space can be produce by attaching RFID tags.