摘要:
Disclosed herein is an electrode structure for an energy storage apparatus. The electrode structure according to an exemplary embodiment of the present invention includes a current collector; and an active material layer formed in the current collector, wherein the active material layer includes: an active material; and a conductive material having a relatively higher content than that of the active material as being away from the current collector.
摘要:
Provided is a method of manufacturing a lithium ion capacitor. The method includes the steps of: contacting a lithium supplying source to an anode directly; pre-doping lithium ions into the anode by immerging the anode and the lithium supplying source into a doping electrolyte solution; forming an electrode cell by sequentially stacking the lithium ions on the pre-doped anode and a cathode with placing a separator therebetween; cleaning the doping electrolyte solution absorbed to terminals of the electrode cell; fusing the terminals; and sealing the electrode cell with exposing the fused terminal.
摘要:
Provided are a method of manufacturing a lithium ion capacitor and a lithium ion capacitor manufactured using the same. The method of manufacturing a lithium ion capacitor includes forming a lithium thin film on one surface of a separator; making the lithium thin film in contact with an anode, and alternately disposing the anode and a cathode with the separator interposed therebetween to form an electrode cell; and enclosing the electrode cell and an electrolyte into a housing, and pre-doping lithium ions to the anode from the lithium thin film.
摘要:
An electrode active material including a first layer formed on a surface of activated carbon and having a porous structure, and a second layer formed on the first layer and having polar groups, a method for preparing the same, and an electrochemical capacitor including an electrode using the same. There can be provided an electrode active material for an electrochemical capacitor having improved performances in which capacitance per unit weight is large, inner resistance is small, and performance is not largely deteriorated even at high current. Furthermore, high-priced activated carbon mainly dependent on imports can be substituted with low-priced activated carbon prepared by double surface treatment, and thus superior economical effects can be obtained.
摘要:
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.
摘要:
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.
摘要:
Disclosed herein is an energy storage module.The energy storage module may consist of a plurality of capacitor units each including: one or more capacitor cells each having a cathode terminal and an anode terminal extended and formed at an upper part thereof; and a case having a positive (+) connection terminal and a negative (−) connection terminal provided on a front surface and a rear surface of an upper part thereof, respectively, and a plurality of connectors connected to the positive (+) connection terminal and the negative (−) connection terminal embedded therein, the capacitor cells being inserted in the case, wherein the plurality of capacitor units are electrically connected to each other by coupling of the positive (+) connection terminal and the negative (−) connection terminal provided on the front surface and the rear surface of the case.
摘要:
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.
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:
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.