Patents by Inventor Myung Kook Park

Myung Kook Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11038226
    Abstract: A secondary battery module includes a plurality of battery cells aligned in one direction, a plurality of insulation sheets between the plurality of battery cells, the insulations sheets including aerogel for blocking heat transfer between the plurality of battery cells, and a housing fixing the battery cells and the insulation sheets. The secondary battery module may prevent or retard generation of heat or ignition from a cell within the module from propagating to adjoining cells.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: June 15, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Joon Hyung Lee, Man Seok Han, Myung Kook Park, Seok Joon Yoon
  • Patent number: 10658641
    Abstract: The present invention relates to a separator comprising a coating layer and a battery using the same, the separator having improved adhesive force to an electrode, thereby minimizing the rate of thickness change. More specifically, the present invention relates to a separator having a coating layer on one or both surfaces of a base film, the coating layer comprising an acrylic-based copolymer having a glass transition temperature of less than or equal to 80° C. and an inorganic particle, so as to have improved adhesive force and heat resistance, thereby being applicable in electrochemical batteries of various sizes and having excellent thermal stability and dimensional stability.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: May 19, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byung Min Lee, Ha Na Kim, Nam Hyo Kim, Myung Kook Park, Hyeon Sun Choi
  • Publication number: 20190020079
    Abstract: A secondary battery module includes a plurality of battery cells aligned in one direction, a plurality of insulation sheets between the plurality of battery cells, the insulations sheets including aerogel for blocking heat transfer between the plurality of battery cells, and a housing fixing the battery cells and the insulation sheets. The secondary battery module may prevent or retard generation of heat or ignition from a cell within the module from propagating to adjoining cells.
    Type: Application
    Filed: June 12, 2018
    Publication date: January 17, 2019
    Inventors: Joon Hyung LEE, Man Seok HAN, Myung Kook PARK, Seok Joon YOON
  • Patent number: 9634311
    Abstract: A separator includes a coating layer, the coating layer containing a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, a solvent, and inorganic particles, the solvent being present in an amount of about 100 ppm or less in the coating layer.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: April 25, 2017
    Assignee: Cheil Industries, Inc.
    Inventors: Ki Chul Hong, Myung Kook Park, Jin Kyu Park, Jun Ho Chung
  • Publication number: 20160301055
    Abstract: The present invention relates to a separator comprising a coating layer and a battery using the same, the separator having improved adhesive force to an electrode, thereby minimizing the rate of thickness change. More specifically, the present invention relates to a separator having a coating layer on one or both surfaces of a base film, the coating layer comprising an acrylic-based copolymer having a glass transition temperature of less than or equal to 80° C. and an inorganic particle, so as to have improved adhesive force and heat resistance, thereby being applicable in electrochemical batteries of various sizes and having excellent thermal stability and dimensional stability.
    Type: Application
    Filed: November 21, 2014
    Publication date: October 13, 2016
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Byung Min LEE, Ha Na KIM, Nam Hyo KIM, Myung Kook PARK, Hyeon Sun CHOI
  • Patent number: 9412988
    Abstract: A porous separator including a porous base film; and a coating layer, the coating layer being on a surface of the porous base film and including a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, and inorganic particles, wherein the separator exhibits a thermal shrinkage of about 30% or less in a machine direction (MD) or in a transverse direction (TD), as measured after leaving the separator at 150° C. for 1 hour, a peel strength of about 50 gf/cm2 or more between the coating layer and the base film, and an adhesive strength of about 20 gf/cm2 or more between the coating layer and electrodes of a battery.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: August 9, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Ki Chul Hong, Myung Kook Park, Jae Goo Doh, Jun Ho Chung
  • Patent number: 9401505
    Abstract: A polyolefin porous separator includes a polyolefin porous base film, and a coating layer formed on one or both sides of the base film. The coating layer includes inorganic particles. The inorganic particles include first inorganic particles having an average particle size ranging from 150 nm to 600 nm, and second inorganic particles having an average particle size ranging from 5 nm to 90 nm. The separator has a thermal conductivity of 0.3 W/m·K or more.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: July 26, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Ki Chul Hong, Myung Kook Park, Jae Goo Doh, Jun Ho Chung, Geon Ja Lim
  • Patent number: 8685272
    Abstract: A composition for etching a silicon oxide layer, a method of etching a semiconductor device, and a composition for etching a semiconductor device including a silicon oxide layer and a nitride layer including hydrogen fluoride, an anionic polymer, and deionized water, wherein the anionic polymer is included in an amount of about 0.001 to about 2 wt % based on the total weight of the composition for etching a silicon oxide layer, and an etch selectivity of the silicon oxide layer with respect to a nitride layer is about 80 or greater.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: April 1, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Go-Un Kim, Hyo-San Lee, Myung-Kook Park, Ho-Seok Yang, Jeong-Nam Han, Chang-Ki Hong
  • Publication number: 20130224555
    Abstract: A polyolefin porous separator includes a polyolefin porous base film, and a coating layer formed on one or both sides of the base film. The coating layer includes inorganic particles. The inorganic particles include first inorganic particles having an average particle size ranging from 150 nm to 600 nm, and second inorganic particles having an average particle size ranging from 5 nm to 90 nm. The separator has a thermal conductivity of 0.3 W/m·K or more.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 29, 2013
    Inventors: Ki Chul HONG, Myung Kook PARK, Jae Goo DOH, Jun Ho CHUNG, Geon Ja LIM
  • Publication number: 20130224554
    Abstract: A separator includes a base film and a coating layer on one or both sides of the base film, the coating layer being formed using a coating agent including a polyimide, an organic binder, and a solvent. A remaining amount of the solvent in the separator is about 100 ppm or less.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 29, 2013
    Inventors: Ki Chul HONG, Myung Kook PARK, Jin Kyu PARK, Jae Goo DOH, Jun Ho CHUNG
  • Publication number: 20130224556
    Abstract: A porous separator including a porous base film; and a coating layer, the coating layer being on a surface of the porous base film and including a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, and inorganic particles, wherein the separator exhibits a thermal shrinkage of about 30% or less in a machine direction (MD) or in a transverse direction (TD), as measured after leaving the separator at 150° C. for 1 hour, a peel strength of about 50 gf/cm2 or more between the coating layer and the base film, and an adhesive strength of about 20 gf/cm2 or more between the coating layer and electrodes of a battery.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 29, 2013
    Inventors: Ki Chul HONG, Myung Kook PARK, Jae Goo DOH, Jun Ho CHUNG
  • Publication number: 20130224553
    Abstract: A separator includes a coating layer, the coating layer containing a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, a solvent, and inorganic particles, the solvent being present in an amount of about 100 ppm or less in the coating layer.
    Type: Application
    Filed: February 27, 2013
    Publication date: August 29, 2013
    Inventors: Ki Chul HONG, Myung Kook PARK, Jin Kyu PARK, Jun Ho CHUNG
  • Publication number: 20120007019
    Abstract: A wet etching solution includes hydrogen fluoride in an amount of about 0.1% to about 3% by weight of the etching solution, an inorganic acid in an amount of about 10% to about 40% by weight of the etching solution, the inorganic acid being one or more of nitric acid, sulfuric acid, and/or hydrochloric acid, a nonionic surfactant in an amount of about 0.0001% to about 5% by weight of the etching solution, the surfactant including one or ore of alkylphenol ethoxylate and/or ammonium lauryl sulfate, and water.
    Type: Application
    Filed: September 20, 2011
    Publication date: January 12, 2012
    Applicant: CHEIL INDUSTRIES, INC.
    Inventors: Jung In LA, Myung Kook PARK, Ho Seok YANG
  • Patent number: 8043525
    Abstract: A wet etching solution includes hydrogen fluoride in an amount of about 0.1% to about 3% by weight of the etching solution, an inorganic acid in an amount of about 10% to about 40% by weight of the etching solution, the inorganic acid being one or more of nitric acid, sulfuric acid, and/or hydrochloric acid, a surfactant in an amount of about 0.0001% to about 5% by weight of the etching solution, the nonionic surfactant including one or more of alkylphenol ethoxylate and/or ammonium lauryl sulfate, and water.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: October 25, 2011
    Assignee: Cheil Industries, Inc.
    Inventors: Jung In La, Myung Kook Park, Ho Seok Yang
  • Publication number: 20100035436
    Abstract: A composition for etching a silicon oxide layer, a method of etching a semiconductor device, and a composition for etching a semiconductor device including a silicon oxide layer and a nitride layer including hydrogen fluoride, an anionic polymer, and deionized water, wherein the anionic polymer is included in an amount of about 0.001 to about 2 wt % based on the total weight of the composition for etching a silicon oxide layer, and an etch selectivity of the silicon oxide layer with respect to a nitride layer is about 80 or greater.
    Type: Application
    Filed: August 7, 2009
    Publication date: February 11, 2010
    Inventors: Go-Un Kim, Hyo-San Lee, Myung-Kook Park, Ho-Seok Yang, Jeong-Nam Han, Chang-Ki Hong
  • Publication number: 20090098456
    Abstract: A non-aqueous electrolyte solution, including a lithium salt, an organic solvent, one or more succinic acid anhydride compounds, and one or more trialkylsilyl borate compounds.
    Type: Application
    Filed: October 15, 2007
    Publication date: April 16, 2009
    Inventors: Myung Kook PARK, Jung Kang OH, Ho Seok YANG
  • Publication number: 20080041823
    Abstract: A wet etching solution includes hydrogen fluoride in an amount of about 0.1% to about 3% by weight of the etching solution, an inorganic acid in an amount of about 10% to about 40% by weight of the etching solution, the inorganic acid being one or more of nitric acid, sulfuric acid, and/or hydrochloric acid, a nonionic surfactant in an amount of about 0.0001% to about 5% by weight of the etching solution, the nonionic surfactant including one or ore of alkylphenol ethoxylate and/or ammonium lauryl sulfate, and water.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 21, 2008
    Inventors: Jung In La, Myung Kook Park, Ho Seok Yang