Lg Chem, Ltd

Lg Energy Solution, Ltd.

The Industry & Academic Cooperation in Chungnam National University (iac)

The Industry & Academic Cooperation in Chungnam National University

Dong-Myung Kim

Ki-Woong Kim

Sung-Jin Kwon

Soon-Ho Ahn

Sungjin Kwon

Ki Woong Kim

Seung-Min Ryu

Young-Hoon Kim

Sung-Han Yoon

Soonho Ahn

In-Gu An

Dong Sub Lee

Young Hoon Kim

Sang Sok Jung

Hyung-Ku Yun

Do Gyun Kim

Sang Bong Nam

Hyun Woo Park

Kiwoong Kim

Ki Tae Kim

Hyung Ku Yun

Hyang Mok Lee

Moon Youn Jung

Sang-Young Lee

Seok-Koo Kim

Jin Soo Lee

Sung-Min Hwang

Byung Chun Park

Hyun Seo Park

Hyun Seung Kim

Young Hun Kim

Sang Baek Ryu

Hyoung Jun Ahn

Hyun-Min Jang

Jae Bin Chung

Eun Seok Choi

Cha-Hun Ku

Do-Gyun Kim

Sung-Jong Kim

Kyung-Ho Lee

Chan Ki Park

Young Joon Shin

Dal-Hoon Lee

In Gu An

Dae Sung Kim

Hyang-Mok Lee

Jong-Hyun Kim

Byung-O Park

Seungmin Ryu

Jae-Bin Chung

Sunghan Yoon

Yu Na Jeong

Dae-Jong Seo

Hak Kyun Kim

Jun Ho Moon

Shin Hyo Cho

Jae Cheol Jeong

Sunhwan Kim

Chang Sin Yeo

Hyung-Sik Kim

Sungwon Lee

Jung Shik Oh

Taek Chan Kang

Joo Young Chung

Kil Young Lee

Yong-Su Choi

Pillgyu Jang

Byung Ouk Park

Jae Dong Chang

Jin-suk Kim

Young Wook Kim

Hyojin Kim

Sang-Baek Ryu

Do-Hwa Jung

Ho-Cheol Kim

Ki Baek Lee

Won Bin Cho

Tae Hyeon Yoo

Young-Soo Kwon

Se-Young Ahn

Yoo-Jin An

Eun-Seok Choi

Young-Hun Kim

Kyung-Su Oh

Jung-Ah Lee

Jae-Dong Chang

Jun-Yong Jeong

Sang-Bong Nam

Yeon-Jae Jang

Chang-Beom Kang

Jang-Hwan Shin

Moon Young Jung

Young- Hoon Kim

Young - Hoon Kim

A battery service providing system and method, the battery service providing system including a battery service server for collecting diagnostic analysis data including operation characteristic information of a battery and driving characteristic information of an electric vehicle from an electric vehicle control device and providing update information of a charging/discharging control logic of the battery according to the degree of degradation determined from the diagnostic analysis data to the electric vehicle control device, determining a residual value or a usage fee of the battery based on the determined degree of degradation, transmitting the usage fee or the residual value of the battery to an external server, or setting a warranty flag for the battery whose charging and discharging is controlled according to the update information of the charging/discharging control logic.

Battery service providing system and method

A battery performance management system and method using an electric vehicle charging station. The battery performance management server collects battery performance evaluation information including identification information and operation characteristic accumulative information of a battery, identification information and driving characteristic accumulative information of the electric vehicle, and latest charging characteristic information of the battery from a plurality of charging stations through a network. The server determines a current state of health (SOH) corresponding to the collected battery performance evaluation information by using an artificial intelligence model that is trained in advance to receive the battery performance evaluation information and output a SOH of the battery. The server determines a latest control factor corresponding to the current SOH, and transmits the latest control factor to the charging station so that the charging station may transmit the latest control factor to a control system of the electric vehicle to update the control factor.

Battery performance management system and method

The present invention relates to a method for quantification of amino acids using a cell-free protein synthesis system. Specifically, the present invention relates to a method for quantification of amino acids, comprising: (a) preparing a reaction mixture for cell-free protein synthesis without target amino acids; (b) performing cell-free protein synthesis by mixing an assay sample containing target amino acids with the reaction mixture for cell-free protein synthesis; (c) measuring the signal intensity of the synthesized protein; and (d) calculating the concentration of the target amino acids by comparing the measured signal intensity with the standard concentration curve for each amino acid according to the protein signal produced using a standard sample, a method for providing information for diagnosing an amino acid metabolism-related disease using the same, a method for screening a material for prevention or treatment of an amino acid metabolism-related disease, and a method for screening a transaminase substrate. The method for quantification of amino acids according to the present invention can quantify amino acids in a short time at a low cost, and thus can be useful in various industries.

Method for quantification of amino acids using cell-free protein synthesis system

Disclosed herein is an electrode assembly configured to have a structure in which a bi-cell and two or more monocells are folded in a state in which the bi-cell and the two or more monocells are arranged on a continuous separation film. The bi-cell includes electrodes in the form of at least one cathode and at least one anode stacked so that a separator is disposed between the cathode and the anode, the bi-cell having a first dimension in a first direction substantially equal to w. The two or more monocells each include electrodes in the form of at least one cathode and at least one anode stacked so that a separator is disposed between the cathode and the anode, each cathode and each anode of each monocell having a first dimension in the first direction substantially equal to 2 times the first dimension w of the bi-cell.

Electrode assembly of novel structure and battery cell comprising the same

Disclosed herein is a battery cell having an electrode assembly mounted in a battery case, the battery cell including an electrode assembly configured to have a stepped structure in which two or more electrodes or unit cells have different planar sizes and a battery case, wherein a receiving part of the battery case is provided on the inner surface thereof with at least one protrusion protruding toward the electrode assembly.

Battery cell including battery case having protrusion corresponding to stepped electrode assembly

There is provided an electrode assembly including a first electrode laminate having at least one or more electrode units having a first area, stacked therein, a second electrode laminate having at least one or more electrode units having a second area smaller than the first area, stacked therein, and a step portion provided by stacking the first electrode laminate and the second electrode laminate in a direction perpendicular to a plane and having a step formed due to a difference in areas of the first and second electrode laminates, the electrode assembly being characterized in that, the electrode unit is wound by a rectangular-shaped separation film such that at least a portion of the rectangular-shaped separation film covers the step portion of the electrode assembly, and a step having a shape identical to the step portion is formed.

Electrode assembly having step, secondary battery, battery pack and device including electrode assembly, and method of manufacturing electrode assembly

Disclosed herein is a prismatic battery cell including an electrode assembly including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, the electrode assembly having a positive electrode terminal and a negative electrode terminal protruding from at least one side of the positive electrode and the negative electrode, two or more case members coupled to each other so as to have a shape corresponding to the external shape of the electrode assembly such that the case members surround the electrode assembly, the case members having a predetermined opening, through which one surface of the electrode assembly, at least, corresponding to protruding portions of the positive electrode terminal and the negative electrode terminal is exposed, and a cap plate coupled to the opening of the case members in a sealed state.

Prismatic battery cell having two or more case members

Disclosed is a case for secondary batteries including a laminate sheet composed of multiple layers, the laminate sheet including an insulating layer having an elongation percentage of 10% or more.

Case including insulating layer for secondary batteries and lithium secondary battery including the same

Disclosed herein is a battery cell configured such that an electrode assembly, including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, is mounted in a receiving part formed in a battery case, a positive electrode terminal and a negative electrode terminal protrude from at least one side of the electrode assembly, and an insulative material is provided between the electrode assembly and the battery case.

Battery cell having means for preventing short-circuit

A battery cell includes an electrode assembly mounted in a battery case. The electrode assembly includes positive electrodes, negative electrodes, and separators, wherein the separators are disposed respectively between the positive electrodes and the negative electrodes. The electrode assembly is provided with a deformation part, and has a sectional width of which is discontinuously or continuously decreased, and is formed at a portion of an outer edge of the electrode assembly. The battery case includes two or more case members, each made of a metal sheet, the case members being coupled to each other in a state in which the electrode assembly is mounted in the case members, at least one of the case members having a receiving part with an internal shape corresponding to the deformation part of the electrode assembly.

Battery cell of novel structure with improved safety

Disclosed herein is an electrode assembly including unit cells, each of which is constituted by an electrode plate stack configured to have a structure in which a separator is disposed between electrode plates comprising positive electrodes or negative electrodes, wherein the electrode assembly includes a combination of two or more kinds of unit cells having different sizes, the unit cells are stacked in a height direction on the basis of a plane, two or more of the unit cells located at a lower part of the electrode assembly, i.e. two or more base unit cells, are wound using a single sheet-type separation film to constitute an integrated base structure, and the others of the unit cells excluding the base unit cells, i.e. sub unit cells, are stacked in a state in which a separator is disposed between the respective sub unit cells.

Hybrid electrode assembly of stair-like structure

An electrode assembly includes a plurality of unit cells, each including a positive electrode, a negative electrode, and a separator disposed therebetween, and a single separation sheet disposed between the unit cells while surrounding side surfaces thereof. First and second stack parts of unit cells are wound with the separation sheet from each end of the separation sheet toward the middle of the separation sheet, a facing unit cell has one surface that contacts the first stack part with the separation sheet between the one surface of the facing unit cell and the first stack part and the other surface that contacts the second stack part with the separation sheet between the other surface of the facing unit cell and the second stack part, and the unit cells are stacked such that electrodes having opposite polarities are disposed in contact with each other with the separation sheet therebetween.

Electrode assembly wound in both directions and lithium secondary battery including the same

Disclosed herein is a battery cell configured to have a structure in which two or more electrode assemblies, each including positive electrodes, negative electrodes, and separators disposed respectively between the positive electrodes and the negative electrodes, are mounted in a battery case, wherein the electrode assemblies are stacked such that electrode terminals of the electrode assemblies are aligned in a vertical direction, one side lower edge of an upper one of the electrode assemblies is disposed in contact with a top surface of a lower one of the electrode assemblies, and one side upper edge of the lower electrode assembly is disposed in contact with a bottom surface of the upper electrode assembly at an interface between the electrode assemblies, and the battery case has an internal shape corresponding to an external shape of the stacked electrode assemblies.

Battery cell having electrode assembly of staggered array structure

Disclosed herein is a stacked/folded type electrode assembly configured to have a structure in which two or more unit cells, each of which includes a separator disposed between a positive electrode and a negative electrode, each having an electrode mixture including an electrode active material applied to a current collector, are wound using a sheet type separation film, wherein the positive electrode is configured to have a structure in which a positive electrode mixture is coated on an aluminum foil as the current collector and the negative electrode is configured to have a structure in which a negative electrode mixture is coated on a metal foil, other than the aluminum foil, as the current collector, the unit cells include one or more full-cells and/or bi-cells, one of the unit cells located at each outermost side of the electrode assembly is configured such that one outermost electrode of the unit cell is a single-sided electrode, the single-sided electrode being configured such that the electrode mixture is applied only to one major surface of the current collector facing the separator, and the separation film has higher elongation than the separator.

Electrode assembly having separator exhibiting high elongation property and secondary battery including the same

Disclosed herein is an electrode assembly configured to have a structure in which one bi-cell and at least one monocell are folded in a state in which the bi-cell and the monocell are arranged on a continuous separation film.

Growing community of inventors

Daejeon, South Korea

Dong-Myung Kim