Lg Energy Solution, Ltd.

Lg Chem, Ltd

Sk Innovation Co., Ltd.

Korea Research Institute of Bioscience and Biotechnology

Sung Chul Park

Dong Hyeuk Park

Sang Wook Kim

Ung Ju Lee

Hyun Jin Jeon

Koo Seung Chung

Hak Sik Lee

Jun Wan Kim

Jin Soo Lee

Jae Hong Kim

Bu Gon Shin

Jiyoung Lee

Sin Young Park

Jung Woo Yoo

Chung Hee Lee

Jeon Keun Oh

Yong Nam Kim

Dae Won Lee

Ki Eun Sung

Ji Seok Lee

Tae Hee Kim

Soo Yeup Jang

Young Jae Kim

Se Hyun Yoon

Tae Won Kang

Chun Ho Kwon

Jeong Ki Kim

Yu Jeong Jeong

Suk Weon Kim

Won Hee Jeong

Kyoung Min Cho

Cha Young Kim

Dong Joo Lim

Jae Cheol Jeong

Deok Soo Kim

Suhyun Park

Soyoung Choo

Ju Hyung Kim

Soyoung Kim

Shin Chul Kim

Jeong Woo Hong

Dae-Won Lee

Byung Joo Jeong

Byung Kwan Ko

A separator sealing device includes: a first sealing unit provided with a sealing tip having a protruding shape to press a separator on an outer surface thereof, the first sealing unit rotating about a first rotation shaft; and a second sealing unit provided with a pressing surface that faces the sealing tip to press the separator on a circumference thereof, the second sealing unit rotating about a second rotation shaft, wherein, when the first sealing unit and the second sealing unit rotate, the sealing tip and the pressing surface press the separator disposed between the first sealing unit and the second sealing unit to perform the sealing of the separator.

Separator sealing device and apparatus for manufacturing unit cell using the same

The present invention relates to a method for producing oats having high-content avenanthramides using elicitors.

Method for producing avenanthramide-rich oats using active elicitors

A notching mold for molding a non-coated portion of an electrode base material, wherein the non-coated portion, is formed on each of two ends of a coated portion, includes: a main mold having an upper mold and a lower mold, parallel to each other, and are slidable close to or away from each other. A first auxiliary mold having auxiliary upper and lower molds coupled to the upper and lower molds, respectively, is configured so that the non-coated portion on one end of the electrode base material is disposed at a processible position. A second auxiliary mold having auxiliary upper and lower molds coupled to the upper and lower molds, respectively, is configured so that, when the electrode base material is input into the main mold, the non-coated portion on the other end of the electrode base material is disposed at a processible position.

Notching mold

A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.

Method for manufacturing secondary battery and pouch for secondary battery

The present invention provides an electrode for a lithium secondary battery, the electrode including an electrode current collector, an electrode active material layer formed on the electrode current collector, and an insulating layer formed on the electrode current collector and overlapping the electrode active material layer in a partial region. Here, a thickness of the electrode active material layer in the region in which the electrode active material layer and insulating layer do not overlap is d, a thickness of the insulating layer in the region in which the electrode active material layer and insulating layer do not overlap is d, and d/dis 0.02 to 0.4.

Electrode for lithium secondary battery, method of preparing the same and lithium secondary battery including the same

The present invention relates to a secondary battery, a method for manufacturing the same, and a pressing block for manufacturing the secondary battery. The method for manufacturing the secondary battery according to the present invention comprises a forming step of forming a pouch sheet to form an accommodation part in which an electrode assembly is accommodated, a folding step of folding the pouch sheet with respect to a folding part to accommodate the electrode assembly in the accommodation part, and to block the accommodation part from outside to form a battery case, and an anti-wrinkle step of forming an anti-wrinkle bending part on an outer shell of the pouch sheet to prevent wrinkles from being generated on the outer shell of the folded pouch sheet.

Secondary battery and method for manufacturing the same, and pressing block for manufacturing secondary battery

Pouch for a secondary battery including a bridge and accommodation grooves

The present invention provides a composition for forming an insulating layer for a lithium secondary battery, which includes a binder polymer; a coloring agent including at least one selected from the group consisting of an organic dye, an oil-soluble dye and an organic phosphor; and a solvent, and has a viscosity of 1,000 cP or more at 25&#xb0; C.

Composition for forming insulating layer for lithium secondary battery and method of preparing electrode for lithium secondary battery using the same

A method of optimizing laser welding of two different metals is disclosed herein. In some embodiments, a method for optimizing laser welding of two different metals comprising laser welding a plurality of samples comprising a first metal and a second metal to form a weld between the first metal and the second metal, the weld having a molten area, wherein each sample is laser welded using a different line energy, measuring the content of an intermetallic compound produced by the laser welding in the molten area of the weld in each sample, and determining the line energy of the laser that results in the content of the intermetallic compound produced in the molten area of the weld being less than 10%.

Laser welding method between different kinds of metals for optimizing welding conditions through intermetallic compound analysis

A method of preparing an electrode for an electrode assembly having a structure in which electrodes are laminated, including:

Method of preparing electrodes having uniform quality and electrode assembly preparation method including the same

The present invention discloses a method of manufacturing an electrode for a secondary battery by using a single process to notch and cut a unit electrode from an electrode sheet. The method for manufacturing electrodes for a secondary battery includes supplying an electrode sheet in a moving direction (MD), wherein the electrode sheet has a plurality of coated portions and uncoated portions alternately arranged along the MD, wherein each coated portion has an electrode active material, and each uncoated portion does not have an electrode active material; and cutting the uncoated portions to form the plurality of unit electrodes.

Method for manufacturing secondary battery electrode, and secondary battery electrode manufactured thereby

A battery module assembly, according to one embodiment of the present invention, comprises: a battery module including a base substrate and at least one battery cell, wherein a plurality of unit battery modules formed to surround a cell cover are stacked on the base substrate; and a battery case which is coupled to the base substrate, and which includes a first case surrounding the front surface of the battery module and a second case combined with the first case and surrounding a rear surface of the battery module. The present invention can effectively provide coupling reliability with an inner sensing membrane which is coupled to the battery module, and can seal the inside of the battery case by tightly combining the first case and the second case in a lateral direction.

Battery module assembly and manufacturing method therefor

The present invention relates to a battery pack in which a plurality of unit modules consisting of battery cells are stacked, adjacently or in regular intervals, and electrode tabs are connected in series, and more specifically, to a battery pack including an overcurrent protector capable of preventing damage to each battery cell caused by a battery cell short circuit or overcurrent which flows in from a protection circuit by: connecting positive and negative electrode tabs of the battery cell with a voltage sensing line in order to sense the voltage of each battery cell; and installing a fuse in a connector which is arranged between the battery cell and the voltage sensing line and couples electrode tabs.

Battery pack including overcurrent protector

Growing community of inventors

Daejeon, South Korea

Sung Chul Park