Patents Assigned to LG Chem, Ltd.
  • Publication number: 20190214628
    Abstract: A method of preparing a positive electrode active material precursor for a lithium secondary battery by using a batch-type reactor, which includes the steps of 1) forming positive electrode active material precursor particles while continuously adding a transition metal-containing solution including a transition metal cation, an aqueous alkaline solution, and an ammonium ion-containing solution to a batch-type reactor, 2) sedimenting the positive electrode active material precursor particles formed; 3) discharging a supernatant formed after the sedimentation of the positive electrode active material precursor particles to an outside; 4) adjusting a pH to 10 to 12 by adding the ammonium ion-containing solution; and 5) growing the positive electrode active material precursor particles while continuously again adding the transition metal-containing solution to the batch-type reactor, and a method of preparing a positive electrode active material using the same.
    Type: Application
    Filed: February 6, 2018
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sang Soon Choi, Hyun Ah Park, Won Sig Jung
  • Publication number: 20190214683
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes a fluorine-containing compound capable of forming a stable film on the surface of an electrode as an additive, and a lithium secondary battery including the same.
    Type: Application
    Filed: February 1, 2018
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sung Hoon Yu, Yoo Sun Kang
  • Publication number: 20190214681
    Abstract: The present invention provides a lithium secondary battery comprising a non-aqueous liquid electrolyte comprising lithium bis(fluorosulfonyl)imide (LiFSI) and a fluorinated benzene-based compound as additives, a positive electrode comprising a lithium-nickel-manganese-cobalt-based oxide as a positive electrode active material, a negative electrode, and a separator. With the non-aqueous liquid electrolyte for a lithium secondary battery of the present invention, a solid SEI film is formed on a negative electrode when initially charging a lithium secondary battery comprising the non-aqueous liquid electrolyte, and an output property of the lithium secondary battery is improved, and an output property and stability after high temperature storage are capable of being enhanced as well.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Chul Haeng Lee, Shul Kee Kim, Gwang Yeon Kim, Doo Kyung Yang
  • Publication number: 20190214694
    Abstract: A battery module includes: a plurality of cylindrical battery cells each having electrode terminals respectively at an upper portion and a lower portion thereof; a module housing including an accommodation portion having hollow structures in which the cylindrical battery cells are inserted and accommodated; a current collecting plate on an outer surface of the module housing and including welding holes through which the electrode terminals of the cylindrical battery cells are exposed to the outside; a bus bar in contact with each of the electrode terminals and the current collecting plate to electrically connect the electrode terminals to the current collecting plate; and a heat conduction pad disposed outside the current collecting plate and including a contact protrusion portion protruding and extending in a direction in which the electrode terminals are disposed to be in contact with a contact connection portion between the electrode terminals and the bus bar.
    Type: Application
    Filed: January 3, 2019
    Publication date: July 11, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Seong-Hwan YANG, Jin-Oh YANG, Seog-Jin YOON
  • Publication number: 20190214568
    Abstract: The present specification provides a coating composition including a fluorene derivative, an organic light emitting device formed using the coating composition, and a method for manufacturing the same.
    Type: Application
    Filed: November 24, 2017
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Esder Kang, Young Kwang Kim, Jaesoon Bae, Jae Hak Jeong, Jiyeon Shin, Seog Jae Seo, Jaechol Lee, Sungkyoung Kang, Leehyeon Baek
  • Publication number: 20190214212
    Abstract: A recyclable fuse includes a first contact and a second contact, and a current control unit allowing current to flow by electrically connecting the first contact and the second contact with each other when a temperature of the current control unit is less than a predetermined first temperature and preventing the current from flowing by electrically interrupting the first contact and the second contact from each other when the temperature of the current control unit is equal to or more than the predetermined first temperature.
    Type: Application
    Filed: December 20, 2017
    Publication date: July 11, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Kyuhwan OH, Yeonsoon CHOI, Sunwoo YUN, Young Ho HWANG
  • Publication number: 20190214667
    Abstract: The present specification relates to a solid oxide fuel cell including an anode, a cathode, and an electrolyte layer provided between the anode and the cathode and a method for fabricating the solid oxide fuel cell.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 11, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jong Woo KIM, Changseok RYOO, Kwangwook CHOI, Jongjin LEE, Jeong Mi CHOI, Bu Won SON, Doohyun BAEK
  • Publication number: 20190212599
    Abstract: The present application relates to a method of applying particles, an optical film and a method of manufacturing an active liquid crystal device. In the method of applying particles of the present application, the particles can be uniformly applied on a base material and fixed while maintaining the shape of particles. The optical film of the present invention produced by the above method can have excellent particle dispersity. A method of manufacturing an active liquid crystal device using the above method can maintain a cell gap uniformly while simplifying the manufacturing process and preventing gravity defects.
    Type: Application
    Filed: June 7, 2017
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Su Young Ryu, Jung Woon Kim, Tae Gyun Kwon, Moon Soo Park
  • Publication number: 20190212625
    Abstract: The present application relates to an electrochromic device, and according to one aspect of the present invention, there is provided an electrochromic device comprising a first electrode layer, a first electrochromic layer provided on the first electrode layer, an electrolyte layer provided on the first electrochromic layer, a second electrochromic layer provided on the electrolyte layer and a second electrode layer provided on the second electrochromic layer, wherein the electrochromic device comprises a first auxiliary electrode layer and a second auxiliary electrode layer each provided on each opposite surface of the first electrochromic layer and the second electrochromic layer opposed to each other with the electrolyte layer interposed therebetween.
    Type: Application
    Filed: June 12, 2017
    Publication date: July 11, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Dong Hyun LEE, Chang Yoon LIM, Jae Sung HAN, Su Hee LEE, Doo Hoon SONG
  • Patent number: 10349527
    Abstract: The present invention relates to a composition for forming a conductive pattern, which is able to form a fine conductive pattern onto a variety of polymer resin products or resin layers by a very simple process, a method for forming the conductive pattern using the same, and a resin structure having the conductive pattern.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Chee-Sung Park, Han Nah Jeong, Sang Yun Jung, Cheol-Hee Park, Chan Yeup Chung, Jae Hyun Kim, Shin Hee Jun
  • Patent number: 10343923
    Abstract: The system for preparing silica aerogel comprises a raw material supply part transferring at least one raw material of de-ionized water, water glass, a surface modifier, an inorganic acid, and an organic solvent to a mixing part, the mixing part mixing the raw materials transferred from the raw material supply part to produce silica wet gel, a separating part separating at least one raw material of the raw materials from the mixture containing the silica wet gel transferred from the mixing part, a drying part drying the silica wet gel transferred from the separating part to produce the silica aerogel, a recovery part recovering a portion of the vaporized raw material of the raw materials used in at least one of the mixing part and the drying part, and a heat transfer part transferring heat to at least one of the mixing part and the drying part.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dong Kwon Lee, Ye Hon Kim, Jong Ku Lee, Je Kyun Lee
  • Patent number: 10349511
    Abstract: The present application relates to a conductive structure body and a manufacturing method thereof. The method for manufacturing the conductive structure body according to an exemplary embodiment of the present application includes forming a metal layer on a substrate and forming a darkening layer on the metal layer, in which the forming of the darkening layer is performed by reactive sputtering using CO2.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jin Hyong Lim, Jin Hyuk Min, Ki-Hwan Kim, Chan Hyoung Park, Ilha Lee
  • Patent number: 10344102
    Abstract: Provided is an olefin-based polymer with excellent processability. The olefin-based polymer according to the present invention has a high molecular weight and a broad molecular weight distribution to show excellent processability and improved mechanical properties, thereby being usefully applied according to the intended use.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Joong Soo Kim, Yu Taek Sung, Ki Soo Lee, Dae Sik Hong, Ki Heon Song, Eun Kyoung Song, Heon Yong Kwon, Yong Ho Lee, Dong Hoon Jeong, Soon Ho Sun, Sun Mi Kim
  • Patent number: 10344044
    Abstract: The present disclosure relates to a ligand compound, a catalyst system for oligomerization, and a method for olefin oligomerization using the same. The catalyst system for oligomerization using the ligand compound according to the present disclosure has excellent catalytic activity, exhibits high selectivity to 1-hexene and 1-octene, and greatly reduces the production of the by-products, thereby enabling efficient preparation of alpha-olefin.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Eun Ji Shin, Yong Ho Lee, Jin Young Park, Seok Pil Sa, Ki Soo Lee, Seul Ki Im
  • Patent number: 10347880
    Abstract: A battery module according to an aspect of the present disclosure includes a cooling plate provided in a plate shape and having a plurality of slits at respective predetermined positions, a plurality of battery cells uprightly disposed parallel to one another in one direction on the cooling plate, and a plurality of cooling fins, each cooling fin having a wall surface uprightly disposed over the cooling plate to come into contact with one surface of the battery cell and a lower flange integrally formed with the wall surface and disposed through the slit of the cooling plate to come into contact with a bottom surface of the cooling plate, the plurality of cooling fins spaced apart by a predetermined distance from one another and arranged between the plurality of battery cells.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dong-Yeon Kim, Jin-Hak Kong, Yong-Seok Choi, Jong-Hyun Jo
  • Patent number: 10347845
    Abstract: The present specification provides a nitrogen-containing condensed cyclic compound of chemical formula 1 and an organic light emitting device comprising the same.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Minjun Kim, Hyok Joon Kwon, Wanpyo Hong, Kongkyeom Kim, Jungha Lee
  • Patent number: 10348107
    Abstract: The present disclosure discloses a battery device including a battery, a charging and discharging switch unit configured to control charging and discharging of the battery, a pre-charging unit configured to be charged during discharging of the battery, and a discharging unit configured to discharge the charge charged in the pre-charging unit.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Chang-Hyun Sung, Young-Hwan Kim, Sang-Hoon Lee
  • Patent number: 10347913
    Abstract: The present invention provides a method for preparing a core-shell structured particle, the method using a continuous Couette-Taylor crystallizer in which a core reactant inlet, a shell reactant inlet, and a product outlet are sequentially formed on an outer cylinder along a flow direction of a fluid flowing in a Couette-Taylor fluid passage between the outer cylinder and an inner cylinder, wherein a core particle is primarily formed in the fluid passage by a core reactant supplied through the core reactant inlet; a shell layer is formed on a surface of the core particle to cover the core particle by a shell reactant supplied through the shell reactant inlet; and a core-shell structured particle in which the shell layer is formed on the circumference of the core particle, is discharged to the outside through the product outlet.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: July 9, 2019
    Assignees: LG Chem, Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Woo Sik Kim, Khuong Dien Thai, Byung Chun Park, Seong Hoon Kang, Wang Mo Jung, Hong Kyu Park
  • Patent number: 10343958
    Abstract: The present invention relates to a catalyst for coating a surface of a porous material and a method of treating the surface of the porous material. More particularly, when the catalyst for coating a surface of a porous material and the method of treating the surface of the porous material of the present invention are used for butadiene synthesis reaction under high gas space velocity and high pressure conditions, heat generation may be easily controlled and differential pressure may be effectively alleviated, thereby providing improved reactant conversion rate and product selectivity.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Myung Ji Suh, Jun Han Kang, Dong Hyun Ko, Seong Min Kim, Hyun Seok Nam, Joo Hyuck Lee, Kyong Yong Cha, Dae Heung Choi, Sang Jin Han, Jun Kyu Han, Sun Hwan Hwang, Ye Seul Hwang
  • Patent number: 10344385
    Abstract: Provided are a method for forming conductive pattern by direct radiation of an electromagnetic wave capable of forming fine conductive patterns on various kinds of polymer resin products or resin layers by a simplified process, and appropriately implementing the polymer resin products having white color or various colors, and the like, even without containing specific inorganic additives in the polymer resin itself, and a resin structure having the conductive pattern formed therefrom.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: July 9, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jae Hyun Kim, Shin Hee Jun, Jae Jin Kim, Chee-Sung Park, Eun Kyu Seong, Su Jeong Lee, Cheol-Hee Park, Han Nah Jeong, Sang Yun Jung