摘要:
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.
摘要:
There is provided an electrochemical device and a method for manufacturing the same. The electrochemical device includes: a collector that includes first and second electrodes disposed opposite to each other and an ion transmittable separator disposed therebetween; and a fixing member that surrounds the external surface of the collector and fixes the collector by bending parts formed at both ends. The electrochemical device can minimize the movement of the collector and maximize the overlapping portion between the first and second electrodes, thereby having excellent capacity.
摘要:
There are provided an electric double layer capacitor cell, an electric double layer capacitor package having the same, and methods of manufacturing the same. An electric double layer capacitor cell according to an aspect of the invention may include: a plurality of electric double layer capacitor unit cells stacked upon each other, wherein each of the plurality of electric double layer capacitor unit cells includes first and second current collectors having first and second lead terminal portions, respectively, first and second electrodes provided on the first and second current collectors, respectively, and a separator provided between the first and second electrodes, and the first and second electrode lead terminal portions each are combined into one to provide first and second bonding portions being connected to external terminals provided to apply electricity to the electric double layer capacitor unit cells.
摘要:
There is provided a chip-type electric double layer capacitor comprising: a resin case having a housing space provided therein and formed of insulating resin and first and second external terminals inserted into the resin case by insert injection molding. Each of the external terminals has a first portion exposed to an outer surface of the resin case for external contact and a second portion exposed to an inner surface of the housing space for internal contact. a sealing portion includes a groove portion provided in the resin case along a circumference of at least one of the first and second external terminals and a resin filling the groove portion. An electric double layer capacitor cell is mounted in the housing space and electrically connected to the second portion of the first and second external terminals.
摘要:
The present invention provides a chip type electric double layer capacitor including: a lower case having an internal space of which an upper surface is opened and an external terminal of which portions exposed to a bottom of the internal space and the outside are connected to each other; an electric double layer capacitor cell disposed in the internal space of the lower case to be electrically connected to the portion of the external terminal, which is exposed to the bottom of the internal space; and an upper cap mounted on the lower case to cover the internal space, and a method for manufacturing the same.
摘要:
The present invention relates to an electrode for an energy storage and a method for manufacturing the same and provides a useful effect of improving resistance characteristics of an electrode for an energy storage and strengthening adhesion by forming trenches of predetermined dimensions on a surface of a current collector, forming a conductive layer, which includes a conductive agent as much as possible, on the surface of the current collector, and forming a bonding layer including an active material, a conductive agent, and a binder and an electrode layer including an active material and a binder on the conductive layer.
摘要:
Disclosed herein is a pressure valve for an energy storage device. The energy storage device according to an exemplary embodiment of the present invention includes: a valve body provided with a vent guide for communicating a gas vent of the energy storage device with the outside; and an elastic body interposed between the valve body and the gas vent to elastically support the valve body to an inner side of the gas vent to move the valve body to an outer side of the gas vent when a gas pressure in the gas vent rises, thereby communicating the vent guide with the outside and recover the valve body when the gas pressure in the gas vent falls, thereby blocking the vent guide from the outside.
摘要:
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.
摘要:
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.
摘要:
An electrode for an electric double layer capacitor includes a current collector including an aluminum (Al) foil layer and a highly conductive metal layer having a higher conductivity than Al and laminated on the Al foil layer, a groove formed in the Al foil layer to cause the highly conductive metal layer to contact an electrode material, and an electrode layer formed of the electrode material on the groove and the Al foil layer.