Abstract: An energy storage device includes a plurality of unit cells stacked therein, each of the unit cells including a cell body, a positive terminal disposed at one side of the cell body, and a negative terminal disposed in the cell body to form a constant rotation angle with the positive terminal with reference to a center of the cell body, wherein the plurality of cell units are stacked in such a manner that another unit cell is rotated as much as the constant rotation angle with reference to one unit cell. Temperature distribution, that is, heat distribution in the energy storage device can be kept even, and heat transmission efficiency between the terminals and the external air can be improved and thus cooling efficiency can be improved. Also, a resistance value is reduced by improving a cooling function so that performance and reliability of a product can be improved.

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 thousand to 400 thousand, a low-molecular-weight polyvinylbutyral resin having a weight-average molecular weight of 50 thousand to 150 thousand, and a rosin ester.

Abstract: Disclosed herein are a binder composition for manufacturing an electrode of an energy storage device and a method for manufacturing an electrode of an energy storage device. The binder composition includes galactomannan as a major component and may exhibit sufficient binding force with a considerably small amount, as compared to binders in the related art. When the binder composition disclosed herein is used to manufacture an energy storage device having the same weight as that manufactured using the binder in the related art, the energy storage device may contain a greater amount of active material, compared to the binder in the related art. Consequently, beneficial effects such as improvement in an energy density as well as eco-friendly characteristics may be rendered.

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: A method of manufacturing a chip-type electric double layer capacitor, including: forming a lower case having an opened housing space and first and second external terminals buried therein, the first and second external terminals having first surfaces exposed to the housing space, respectively, and second surfaces exposed to an outer region of the lower case, respectively; mounting an electric double layer capacitor cell in the housing space such that the electric double layer capacitor cell is electrically connected to the first surfaces of the first and second external terminals exposed to the housing space; and mounting an upper cap on the lower case so as to cover the housing space.

Abstract: Disclosed herein are a method for pre-doping an anode and a lithium ion capacitor storage device including the same. The method of the present invention includes: disposing lithium metal films and anodes alternately; and charging the lithium metal films and the anodes to directly pre-dope lithium metal contained in the lithium metal films onto the anodes. The lithium ion capacitor storage device is manufactured by the method. According to the present invention, the lithium ion capacitor storage device including the anode can provide a high-capacitance capacitor capable of operating even at a high voltage range of up to 3.8V to 2.0V, and ensure high reliability even in a high-temperature (60° C.) cycle.

Abstract: There is provided an exhausting device and an energy storage device, including: a housing; a lower valve; an upper valve; a cover; and an elastic member provided between a lower surface of the cover and an upper surface of the opening/closing member to provide a downward pressure to the opening/closing member, and it can appropriately release an increase in an inside pressure due to gas generated inside an energy storage device by the exhausting device, thereby improving reliability of the energy storage device, extending lifespan of the energy storage device, and allowing semi-permanent use of the energy storage device.

Abstract: Disclosed herein are a system for energy storage may include: a unit cell package in which the plurality of unit cells are connected in series and/or in parallel; an input/output terminal connected with the unit cell package to supply energy to the unit cell package or output energy stored in the unit cell package; an interruption switch connected between the unit cell package and the input/output terminal to connect or interrupt the unit cell package and the input/output terminal with and from each other; a slave connected with the plurality of unit cells and/or the unit cell package to monitor voltages of the plurality of unit cells and/or a voltage of the unit cell package; and a master connected with the slave to receive information monitored by the slave and generate a signal for controlling the slave and the interruption switch in accordance with the monitored information.

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: Disclosed is a metal air battery a metal anode and an air cathode, wherein the metal anode includes an organic electrolyte and the air cathode includes an aqueous electrolyte, and a method for preparing the same. The metal air battery having a structure according to the exemplary embodiment of the present invention may prevent the electrolytes of the cathode and the anode from being mixed and activate battery reaction, thereby preparing a high-capacity battery.

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: The present invention relates to a nanocomposite material including graphene and a lithium-containing metal oxide on a surface of the graphene, a method for preparing the same, and an energy storage device including the same as an electrode material. According to the present invention, the nanocomposite material, in which the nano-sized lithium-containing metal oxide with high crystallinity is combined with the graphene with high specific surface area and high electrical conductivity, has an effect of achieving excellent high efficiency charge and discharge characteristics of energy storage devices such as an ultra-high capacity capacitor with high power and high energy density and a lithium secondary battery with high energy density.

Abstract: There is provided an electronic apparatus transmitting and receiving a signal through a single wire that that has a main electronic apparatus and a sub-electronic apparatus connected through a single wire, transmits status information and performs control and communication through the single wire. The electronic apparatus transmitting and receiving a signal through a single wire may include: a sub-electronic apparatus transmitting a detection signal containing status information through a single wire, and performing a predetermined operation upon receiving a response signal to the detection signal; and a main electronic apparatus receiving the detection signal through the single wire and transmitting the response signal having a different signal format from the detection signal to the sub-electronic apparatus.

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: The present invention relates to a gas venting structure for an energy storage device including: a bolt consisting of a body and a head and having an outlet inside to pass gas therethrough; a case having a bolt insertion hole inside to insert the bolt therein; and a barrier coupled with the case to block the outlet of the bolt, and an energy storage device including the same.

Abstract: There are provided a conductive paste composition for an inner electrode, and a laminated ceramic electronic part and a manufacturing method thereof using the conductive paste composition. The conductive paste composition includes metal powder coated with an organosilica compound formed by polymerization of an organosilane compound having a structure of RnSi(OR?)4-n (wherein R is selected from alkyl and aryl groups, each having 20 or less carbon atoms, R? is any one of the alkyl groups having 4 or less carbon atoms, and n is 1 or 2). Since the organosilica coating layer is coated around the metal powder particles, preventing the metal powder particles from being agglomerated, thereby allowing the conductive paste composition having very superior dispersibility to be manufactured. In addition, effects such as inhibited oxidation of the metal powder during plasticization and effectively inhibited shrinkage of the metal powder during sintering may be accomplished.

Abstract: Provided are a charging and discharging system for a solar light power generator in a smart grid environment, a method of operating the same, and a duplex converter for charging and discharging electricity into/from a battery. The system includes: an electricity price monitoring part which collects electricity price information from an electric grid; an electricity charge amount monitoring part which collects electricity charge amount information of a battery; a charge and discharge determination part which determines whether electricity supplied from the electric grid is to be charged into the battery or whether electricity stored in the battery via the electric grid or the solar light power generator is to be discharged to the electric grid, based on the price information and the charge amount information; and a charging and discharging part including the battery, so that electricity is charged into or discharged from the battery based on the determination.

Abstract: Disclosed herein are a system for management of a transportation device, including: a plurality of work tables disposed to be spaced from each other; charging terminals provided around the work tables; and transportation devices transporting objects between the work tables and including a supercapacitor as a power supply, and a method therefor.

Abstract: The present invention provides a device and a method for stabilizing a voltage of an energy storage capable of performing voltage stabilization in different ways by setting different references when charging or discharging and when standing by. Therefore, system resources consumed for the voltage stabilization of the energy storage can be minimized.

Abstract: Provided is a method and apparatus for providing an indexing service in a portable terminal. The method includes recognizing at least one data selected by a user from a first file provided through a text viewer of the portable terminal and extracting absolute locations of the recognized data in the first file, storing the extracted locations of the data and arranging the data in a predetermined order to create a first sub file related to the first file, and indexing the first file to allow a search in the first file based on particular data by displaying the locations stored for the respective data arranged in the created first sub file. The first sub file is further linked to data from other files according to the data selected by a user so that a user can determine location of a particular data.