Lg Chem, Ltd

Lg Energy Solution, Ltd.

Kt Corporation

Electronics and Telecommunications Research Institute

Ji-Eun Lee

Joo-Sung Lee

Dong-Wook Sung

In-Hyouk Sung

Hyun-Kyung Shin

Min-Hyung Kim

Choon-gul Park

Jong-Hun Kim

Song-Yi Han

Song-Taek Oh

So-Mi Jeong

Bo-Kyung Ryu

Su-min Park

Jin-Woo Kim

Do-Youn Kim

Kiwook Sohn

Eun-Ju Lee

Young-Geun Choi

Young-Eun Choi

Chan-kyou Hwang

Hyung-Geun Oh

Dong-Phil Kim

Jun-Young Choi

Tae-Hyung Kim

Ji-Su An

Hye-In Yu

Tae-Kyung Whang

The charging control apparatus according to the present disclosure includes a voltage sensor configured to detect the voltage of a battery cell and a controller configured to execute an intermittent charging process to alternately repeat a charging mode and a resting mode for the battery cell. Under the condition that the charging mode is switched to the resting mode while the intermittent charging process is being executed, the controller is configured to execute: an operation of determining an internal resistance of the battery cell based on an amount of change in voltage of the battery cell in a resting period where the resting mode continues; and an operation of recording the internal resistance in association with SOC of the battery cell.

Charging control apparatus and charging control method

A battery management system according to the present disclosure includes a swelling detector including at least one sensor configured to detect a swelling status of a battery cell; and a control circuit configured to generate first time-series data of the swelling status repeatedly detected during a charging procedure included in a charge/discharge cycle of the battery cell. The control circuit is configured to determine a first change amount of the swelling status in the charging procedure from the first time-series data. The control circuit is configured to determine whether the battery cell is shorted internally based on the first change amount.

Battery management system, battery pack, electric vehicle and battery management method

Provided are a quantum key distribution method, device, and system. The quantum key distribution system may include: a (1-1)th quantum key distribution device (QKD-); a (2-1)th quantum key distribution device (QKD-) connected to the QKD-by a first quantum channel (CH); a (3-1)th quantum key distribution device (QKD-) connected to a (1-2)th quantum key distribution device (QKD-) by a second quantum channel (CH); a first quantum node control device (QNC) for controlling the operation of the QKD-and the QKD-; a second quantum node control device (QNC) for controlling the operation of the QKD-; and a third quantum node control device (QNC) for controlling the operation of the QKD-, wherein: in the QNC, the first quantum key passes through a plurality of paths including a first path (P) for connecting the QNCand the QNC, so as to bypass the CH, thereby being transmitted to the QNC; and in the P, the key is encoded with a third quantum key shared between the QKD-and the QKD-, and is transmitted.

Quantum key distribution method, device, and system

The present disclosure relates to an electrode for an electrochemical device and a method for manufacturing the same. More particularly, the present disclosure relates to an electrode having a small difference in porosity along the thickness direction of the electrode, and a method for manufacturing the same.

Electrode for electrochemical device and method for manufacturing the same

Disclosed are a separator and an electrochemical device comprising the same, the separator comprising: a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate or at least one surface of the porous substrate and a portion of the pore, the porous coating layer containing a plurality of inorganic particles and a binder polymer disposed on a part or the entirety of a surface of the inorganic particle to connect and fix the inorganic particles, wherein the inorganic particle comprises an alumina particle and an aluminum hydroxide particle having a smaller average particle diameter than the alumina particle.

Separator and electrochemical device comprising same

A method performed under a transport SDN (Software Defined Network) controller may include classifying respective ones of a plurality of target nodes as either first target nodes that belong to a first domain or second target nodes that belong to a second domain, selecting a first core node in the first domain and a second core node in the second domain, calculating a first pseudo-wire (PW) between the selected first core node and the classified first target nodes, and calculating a second pseudo-wire (PW) between the selected second core node and the classified second target nodes.

Implementing an E-LAN between multi-nodes utilizing a transport network controller

An electrode with a porous binder coating layer may be manufactured in a method including (S) a step of preparing the electrode including an active material layer formed on at least one surface of a current collector; (S) a step of acquiring a binder emulsion by adding a binder to a dispersion medium; and (S) a step of coating the binder emulsion acquired at the step (S) on a surface of the active material layer of the electrode in a screen printing method using a mesh to form a binder coating layer of a porous structure.

Electrode with porous binder coating layer, method for manufacturing the same, and lithium secondary battery comprising the same

The present disclosure provides a heat-diffusible separator including a separator, and a porous heat transfer film formed on at least one surface of the separator.

Heat-diffusible separation film and secondary cell comprising the same

The present disclosure relates to a non-woven fabric made from a fiber coated with a binder polymer by spinning a non-woven forming fiber in an organic binder polymer compound solution, an electrochemical cell using the non-woven fabric as a separator substrate, and a method of making the non-woven fabric, and the non-woven fabric has a pore diameter in a range of 0.001 to 10 &#x3bc;m, thereby providing a mechanical property required for a separator while ensuring a favorable movement of a lithium ion, and in the use of the non-woven fabric as a separator of an electrochemical cell, eliminating a need for a process of applying a separate adhesive layer, resulting in an effect of simplifying a separator manufacturing process.

Non-woven fabric made from fiber coated with organic binder polymer compound, electrochemical cell comprising the non-woven fabric, and method for making the non-woven fabric

An apparatus and method for manifesting an event to verify the security of a mobile application are provided. The apparatus for manifesting an event to verify the security of a mobile application includes a tester application production unit, a tester application execution unit, and a tester application daemon execution unit. The tester application production unit produces a tester application for testing an application to be tested based on application information which is extracted from the application to be tested. The tester application execution unit executes the application to be tested by manifesting an event included in the extracted application information, and extracts a user view object output to a screen of a smart device when the application to be tested is executed. The tester application daemon execution unit generates a touch event based on the extracted user view object, and performs a screen change.

Apparatus and method for manifesting event to verify security of mobile application

Disclosed are a system and method for charging a battery pack. The system uses a recovery vehicle to quickly charge a vehicle battery pack. The system includes a charging power supply module equipped in the recovery vehicle, quick charging power lines placed in the vehicle battery pack, a quick charge switch placed in the quick charging power lines, and a control module.

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Daejeon, South Korea

Ji-Eun Lee