Patents Assigned to LG Chem, Ltd.
  • Publication number: 20190248984
    Abstract: The present invention relates to a plasticizer composition, a resin composition including the same, and a method of preparing the same. The plasticizer composition includes a cyclohexane 1,4-diester-based material; and an epoxidized alkyl ester-based material, wherein a weight ratio of the cyclohexane 1,4-diester-based material and the epoxidized alkyl ester-based material is 99:1 to 1:99, and the epoxidized alkyl ester-based material has an oxirane index (O.I.) of 1.5 or more. When the plasticizer composition is used as a plasticizer for a resin composition, properties such as plasticization efficiency, migration ability, tensile strength, elongation rate, migration upon stress, absorption rate, and the like may be improved.
    Type: Application
    Filed: December 11, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Jeong Ju MOON, Mi Yeon LEE, Joo Ho KIM, Seok Ho JEONG
  • Publication number: 20190250132
    Abstract: The present invention provides a method for measuring moisture content in a separator of secondary battery by using a gas chromatograph equipped with a headspace sampler. The separator of secondary battery may be a safety reinforced separator (SRS) in which inorganic substance particles and a binder polymer are coated on a polyolefin substrate.
    Type: Application
    Filed: January 3, 2018
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Min-Jeong Lee, Jong-Mo Jung
  • Publication number: 20190252735
    Abstract: A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller.
    Type: Application
    Filed: June 19, 2018
    Publication date: August 15, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Chang-Hyun SUNG, Jae-Dong PARK, Sang-Hoon LEE, Yean-Sik CHOI
  • Publication number: 20190252737
    Abstract: The present invention provides a secondary battery in which an electrode assembly is sealed within a battery case together with an electrolyte, wherein a gas-absorbing polymer having an azo group is included in the battery cell so as to absorb gas generated within the battery.
    Type: Application
    Filed: January 6, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sei Woon Oh, Hyun Min Kim, Sun Hwak Woo
  • Patent number: 10376868
    Abstract: The present invention relates to a linear inorganic coordination polymer and a metal complex compound which are prepared in the form of a metal nanostructure having various stereo structures and thus can be used as a catalyst or the like having an excellent activity in preparing a polyalkylene carbonate resin and the like, and a metal nanostructure and a catalyst composition comprising the same. The linear inorganic coordination polymer comprises a repeating unit having a form in which a predetermined oxalic acid derivative is coordinately bonded to a transition metal, and the metal complex compound comprises a plurality of linear inorganic coordination polymer chains and has a structure in which the plurality of polymer chains are linked to each other via a predetermined neutral ligand.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Won Jong Kwon, Sung Ho Yoon, Ye Ji Lee, Min Og Kim
  • Patent number: 10381610
    Abstract: A secondary battery includes a container, an electrode assembly received in the container, and an insulator assembly disposed on at least one of an upper end and a lower end of the electrode assembly. When the electrode assembly is moved vertically due to inertia, the insulator assembly is elastically contracted and restored as a reaction to the inertia, thereby reducing pressure generated between an interior surface of the container and the electrode assembly. The insulation assembly may provide insulation effect. It may function as an electrolytic solution flow path.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jin Soo Kim, Duk Hyun Ryu, Kwan Soo Lee
  • Patent number: 10377875
    Abstract: The present invention relates to a plasticizer composition, a resin composition and methods for preparing thereof, and, by improving poor physical properties having been caused by structural limitation, provides a plasticizer capable of improving physical properties such as plasticizing efficiency, a migration property, tensile strength, an elongation rate, stress migration and light resistance required for sheet formularization when used as a plasticizer of a resin composition, and a resin composition comprising the same.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10377740
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kichul Koo, Jungi Jang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10381606
    Abstract: Provided is a battery module. The battery module according to an embodiment of the present disclosure may include: a cartridge assembly including a plurality of cartridges configured to receive battery cells; a substrate protecting body combined to the cartridge assembly; a casing configured to receive the cartridge assembly and the substrate protecting body and surround the cartridge assembly and the substrate protecting body; and a cover capable of being combined to the casing.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Nam-In Kim, Jae-Hyun Seo, Young-Sop Eom, Bo-Hyon Kim, Hyun-Young Cho
  • Patent number: 10377864
    Abstract: The present invention relates to a plasticizer composition, a resin composition and a method for preparing thereof. The present invention can provide a plasticizer composition, which can improve properties required to the plasticizer composition contained in a vinyl chloride-based resin composition, such as plasticizing efficiency, volatile loss, and migration resistance, to a level equal to or better than the existing plasticizer composition, and a resin composition comprising thereof.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 10381622
    Abstract: A battery pack which may secure safety when fire or gas occurs therein or when an external impact is applied thereto is provided. The battery pack includes: a cell assembly including a plurality of secondary batteries; and a pack case including a bottom part having a plate shape and located under the cell assembly, and a side wall part protruding from the bottom part to a preset height, the pack case accommodating the cell assembly in an inner space defined by the bottom part and the side wall part, wherein the side wall part of the pack case includes a hollow in a direction at least partially perpendicular to a thickness direction of the side wall part, and the hollow includes an inwardly open inlet and an outwardly open outlet.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Tae-Wook Kim, Kwang-Il Kim, Jeong-Man Son, Jun-Hee Lee
  • Patent number: 10381685
    Abstract: The present disclosure provides a non-aqueous liquid electrolyte comprising a non-aqueous organic solvent, a lithium salt, and an additive that is an isocyanate-based compound comprising a carbon-carbon triple bond. By comprising the isocyanate-based compound additive comprising a carbon-carbon triple bond of the present disclosure in the non-aqueous liquid electrolyte, lifespan properties and high temperature durability are capable of being enhanced, and internal resistance of a battery is capable of being reduced.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kyoung Ho Ahn, Sol Ji Park, Chul Haeng Lee, Jeong Woo Oh
  • Patent number: 10377894
    Abstract: The present application relates to a block copolymer and its use. The present application can provides a block copolymer that has an excellent self assembling property or phase separation property and therefore can be used in various applications and its use.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Kyu Lee, Je Gwon Lee, In Young Song, Sung Joon Oh, Yeon Joo Kang, Sung Soo Yoon, Jung Keun Kim
  • Patent number: 10381628
    Abstract: Disclosed is an electrode assembly in which a plurality of electrode plates are stacked so that a separator is interposed between a positive electrode plate and a negative electrode plate, wherein each of the electrode plates includes an electrode tab protruding outwards at one side thereof for coupling with an electrode lead, wherein at least one electrode plate of the positive electrode plate and the negative electrode plate extends relatively longer than the separator at one end of the electrode plate where the electrode tab is located to form the electrode plate extension protruding out of the separator, and wherein the electrode plate extensions of the same polarity are coupled to each other.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Su-Han Park, Min-Suk Kang, In-Jung Kim, Han Kim, Yong-Tae Lee
  • Patent number: 10381679
    Abstract: Disclosed is a battery module array including battery modules, which may have improved space utilization. The battery module array includes a plurality of battery modules, each having two secondary battery cells, a module frame and a cooling fin. If the battery module array is configured using the above battery modules, space utilization may be improved.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Woon Choi, Jeong-O Mun, Dal-Mo Kang
  • Patent number: 10381694
    Abstract: According to the present disclosure, there is a cooling device for battery cells including a heat sink with a hollow structure disposed adjacent to at least one side of a battery cell assembly and having a channel formed therein through which a coolant flows, the battery cell assembly including a plurality of battery cells, and a cooling plate configured to carry out heat exchange with the battery cells, the cooling plate including a heat absorbing part interposed between the battery cells such that one surface or both surfaces come into contact with the battery cells, and a heat emitting part extending from the heat absorbing part and exposed to the channel, wherein the heat emitting part includes at least one bent surface arranged parallel to the channel, and at least one through-hole through which the coolant goes.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jin-Moo Nam, Hyun-Seok Shim, Yong-Seok Choi, Gyu-Jong Bae
  • Patent number: 10381572
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Publication number: 20190245251
    Abstract: A secondary battery cell module-type activation tray for transferring and charging a plurality of battery cells in a manufacturing process of a secondary battery, including a plurality of module trays that are embedded from one side opened to accommodate a plurality of battery cells in a plurality of rows to another side opposite thereto, the battery cells being disposed in a respective module tray, and each of the module trays has a structure that can be coupled or separated as extended in one direction or multiple directions in a plan view.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hyun PARK, Sang Baek RYU, Chan Ki PARK
  • Publication number: 20190245240
    Abstract: The present invention relates to a Li-rich antiperovskite compound and the use thereof, and more particularly, to a Li-rich antiperovskite compound having a novel structure in which a dopant is substituted in a Li3OCl compound, wherein the dopant is substituted for an O site rather than an anionic Cl site, as known in the art, and an electrolyte using the same. The Li-rich antiperovskite compound has high lithium ion conductivity and excellent thermal stability, and thus can be applied as an electrolyte for lithium secondary batteries which are driven at a high temperature.
    Type: Application
    Filed: September 21, 2017
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Se Ho PARK, Chanyeup CHUNG, Da Young SUNG, Minchul JANG, Eunkyung PARK, Changhun PARK
  • Publication number: 20190245219
    Abstract: A separator and a fuel cell stack, the separator including a plurality of convex portions and a plurality of concave portions which are sequentially provided along a first direction, the convex portions having first openings on top surfaces at predetermined intervals along a second direction orthogonal to the first direction and the first openings of two adjacent convex portions are each provided so as not to be positioned coaxially based on a virtual first line parallel to the first direction.
    Type: Application
    Filed: July 24, 2017
    Publication date: August 8, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hye Mi JUNG, Jae Choon YANG, Kyung Mun KANG, Sueng Hoon HAN