Patent application number | Description | Published |
20120063059 | HYBRID SUPERCAPACITOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a hybrid supercapacitor manufactured according to a method of manufacturing a hybrid supercapacitor including: forming a lithium thin film on one surface of a separator; facing the lithium thin film and an active material layer of an anode each other; forming an electrode cell by alternately disposing the anode and the cathode, having the separator therebetween; and pre-doping the anode with lithium ions from the lithium thin film by receiving the electrode cell and an electrode solution in a housing. | 03-15-2012 |
20120074905 | DEVICE AND METHOD FOR STABILIZING VOLTAGE OF ENERGY STORAGE - Disclosed herein are a device and a method for stabilizing voltage of an energy storage. The device for stabilizing voltage of an energy storage includes: a bypass unit connected to a unit cell in parallel; a controller connected to the unit cell in parallel to monitor voltage of the unit cell and connected to the bypass unit to control turn on/off of the bypass unit; and an analog circuit unit connected to the unit cell in parallel to detect the voltage of the unit cell and turning on the bypass unit when the detected voltage is higher than a preset second reference voltage. | 03-29-2012 |
20120286735 | ENERGY STORAGE MODULE AND CONTROLLING METHOD THEREOF - Disclosed herein is an energy storage module including a first energy container, a second energy container that is connected to the first energy container in parallel, and a switching control unit that senses the energy containers corresponding to predetermined deterioration conditions among the first and second energy containers to selectively open the energy containers corresponding to deterioration conditions so as to selectively charge/discharge the energy containers, whereby the deterioration can be minimized without stopping the overall energy storage module. | 11-15-2012 |
20120295139 | SYSTEM FOR ENERGY STORAGE AND METHOD FOR CONTROLLING THE SAME - 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. | 11-22-2012 |
20120306447 | APPARATUS FOR STABILIZING VOLTAGE OF ENERGY STORAGE - Disclosed herein is an apparatus for stabilizing voltage of an energy storage in which a plurality of unit cells are connected to each other in series, including: a bypass unit that is connected to the unit cell in parallel; and a controller that detects voltage of the unit cell and controls an operation of the bypass unit according to the detected voltage of the unit cell, wherein the bypass unit bypasses current flowing in the unit cell when the detected voltage of the unit cell is larger than predetermined reference voltage to generate the reusing voltage, whereby the voltage of each unit cell is stably equalized and reuses the voltage provided to the bypass path, thereby performing voltage equalization without loss. | 12-06-2012 |
20120327551 | ENERGY STORAGE DEVICE AND MANUFACTURING METHOD THEREOF, AND UNIT CELL FOR ENERGY STORAGE DEVICE - 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. | 12-27-2012 |
20130009600 | ELECTRIC ENERGY STORAGE APPARATUS, VOLTAGE EQUALIZATION MODULE AND VOLTAGE EQUALIZATION METHOD - Disclosed herein are an electric energy storage apparatus, a voltage equalization module thereof, and a voltage equalization method. There is provided an electric energy storage apparatus, including: a plurality of electric energy storage cells connected in series; voltage sensing units sensing voltage charged in each of the electric energy storage cells, respectively; first bypass discharge units connected to each of the electric energy storage cells in parallel, respectively, and bypassing and discharging electric energy charged; second bypass discharge units additionally connected to each of the electric energy storage cells in parallel, respectively, and bypassing and additionally discharging electric energy; and a control unit receiving voltage information from the voltage sensing units, determining whether controlling or not and controlling operations of each of the first and second bypass discharge units so as to equalize charged voltage values of the electric energy storage cells. | 01-10-2013 |
20130027840 | ENERGY STORAGE MODULE - Disclosed herein is an energy storage module, including: upper and lower cases each having elastic bodies provide at both side parts thereof; a capacitor cell inserted within the upper case and the lower case and having anode electrodes and cathode electrodes extended at both side parts thereof; and bus bars inserted between the anode terminals and between the cathode terminals of the capacitor cell. According to the present invention, the module can be manufactured in a comparative simple constitution, and an electric short circuit between anode and cathode terminals can be prevented when swelling occurs due to repetitive charging and discharging of capacitor cells. | 01-31-2013 |
20130056986 | WIND POWER GENERATION SYSTEM AND METHOD FOR CONTROLLING THE SAME - Disclosed herein are a wind power generation system including: a wind power generation unit converting wind energy into electrical energy and outputting the electrical energy; a wind power generation controlling unit controlling the electrical energy output from the wind power generation unit; and a capacitor unit and a battery unit storing the electrical energy controlled by the wind power generation controlling unit, wherein the wind power generation controlling unit includes a direct current (DC)-direct current (DC) converter monitoring the wind power generation unit and the capacitor unit to thereby selectively boost the electrical energy output from the wind power generation unit, and a method for controlling the same. | 03-07-2013 |
20130063860 | LEAD UNIT OF ENERGY STORAGE DEVICE - Disclosed herein is a lead unit of an energy storage device including a lead frame for fixing withdrawal electrodes of the energy storage device, including: an output terminal unit formed on an upper portion of the lead frame; a lead unit formed to extend from the output terminal unit to a lower portion of the lead frame and allowing end portions of the withdrawal electrodes to be inserted therein; and an expanding unit formed at an end portion of the lead unit and being brought into contact with the withdrawal electrodes in a compressed manner. | 03-14-2013 |
20130077205 | ENERGY STORAGE MODULE - Disclosed herein is an energy storage module. | 03-28-2013 |
20130130080 | BATTERY PACK CASE - A battery pack case includes at least one battery cell; a cooling case having inclinedly formed insertion parts into which the battery cells are inserted; and cooling passages provided in the cooling case and inclinedly formed so as to move a cooling medium between the battery cells. | 05-23-2013 |