摘要:
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.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
There is provided an energy storage module including, a plurality of energy storage units having electrodes connected in series or in parallel, one or more cooling plates provided to alternate with the energy storage units, each having a flow path through which cooling water flows, so as to cool the energy storage units, and a housing surrounding the energy storage units and the cooling plates and including an inlet and an outlet through which the cooling water is drawn and discharged to thereby provide the cooling water to the cooling plates.
摘要:
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.
摘要:
Disclosed herein is an energy storage module. The energy storage module according to an embodiment of the present invention includes a plurality of capacitor unit cells each having a plus terminal and a minus terminal; and a connection part configured to electrically connect the plus terminal of any one of the capacitor unit cells to the minus terminal of another capacitor unit cell, wherein each of the capacitor unit cells includes an outer case housing an energy storage element, and wherein the outer case includes a protrusion part protruded from one surface of the outer case; and a depression part having a shape matched with the protrusion part and recessed from another surface of the outer case toward inside of the outer case.
摘要:
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.
摘要:
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.
摘要:
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.