Patents by Inventor Seung-min Ryu

Seung-min Ryu 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: 9231279
    Abstract: There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same length and different widths, wherein the electrode units are stacked so that a stepped portion is formed between the electrode units, and electrodes having different polarities face each other at an interface between the electrode units.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: January 5, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Jin Kwon, Ki-Woong Kim, Soon-Ho Ahn, Dong-Myung Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Patent number: 9225034
    Abstract: There is provided an electrode assembly having steps including: a first electrode stair including at least one first electrode unit; and a second electrode stair including at least one second electrode unit having an area different from that of the first electrode unit, wherein the first electrode stair and the second electrode stair are stacked to be adjacent, separated by at least one separator as a boundary therebetween and including one or more electrode laminates having steps formed by a difference between areas of the first electrode stair and the second electrode stair, and shapes of the corners of the first electrode stair and the second electrode stair having steps are different. There is also provided a secondary battery including the electrode assembly. Secondary batteries having various designs without restriction in shapes of corners of electrode units can be provided.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: December 29, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Seung-Min Ryu, Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hun Kim
  • Patent number: 9123967
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: September 1, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20150244019
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20150236321
    Abstract: The present invention relates to a method of manufacturing an electrode assembly, the method including: preparing an electrode laminate including at least one negative electrode, at least one positive electrode, and at least one separation film; generating a separation film assembly by bonding remaining portions of the separation film positioned in regions not corresponding to shapes of the negative electrode and the positive electrode; and cutting the separation film assembly so as to correspond to the shapes of the negative electrode and the positive electrode, and an electrode assembly manufactured by the method.
    Type: Application
    Filed: April 27, 2015
    Publication date: August 20, 2015
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20150228663
    Abstract: A method of manufacturing a semiconductor device is provided. A substrate including a structure in which a hole is formed is prepared. Precursors including a nickel alkoxide compound are vaporized. A nickel-containing layer is formed in the hole by providing the vaporized precursors including the nickel alkoxide compound onto the substrate.
    Type: Application
    Filed: January 16, 2015
    Publication date: August 13, 2015
    Inventors: Sang-chul Youn, Gyu-hee Park, Youn-joung Cho, Seung-min Ryu
  • Publication number: 20150221988
    Abstract: There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same length and different widths, wherein the electrode units are stacked so that a stepped portion is formed between the electrode units, and electrodes having different polarities face each other at an interface between the electrode units.
    Type: Application
    Filed: November 18, 2013
    Publication date: August 6, 2015
    Inventors: Sung-Jin Kwon, Ki-Woong Kim, Soon-Ho Ahn, Dong-Myung Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Patent number: 9048510
    Abstract: The present invention relates to a method of manufacturing an electrode assembly, the method including: preparing an electrode laminate including at least one negative electrode, at least one positive electrode, and at least one separation film; generating a separation film assembly by bonding remaining portions of the separation film positioned in regions not corresponding to shapes of the negative electrode and the positive electrode; and cutting the separation film assembly so as to correspond to the shapes of the negative electrode and the positive electrode, and an electrode assembly manufactured by the method.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: June 2, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Patent number: 8945744
    Abstract: There is provided an electrode assembly. The electrode assembly includes a stack of unit cells respectively including at least one negative electrode and at least one positive electrode, alternately stacked, wherein at least one separator is placed on each of both sides of the electrodes, and at least one of the unit cells has an area different from that of an adjacent unit cell to form at least one stepped portion on the electrode assembly. In addition, there are also provided a battery cell, a battery pack, and a device that include the electrode assembly.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Young-Hoon Kim, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Sung-Han Yoon, Seung-Min Ryu
  • Patent number: 8945743
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: February 3, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Patent number: 8945241
    Abstract: The present invention provides an apparatus and method for manufacturing a metal separator for a fuel cell, which can manufacture large-sized metal separators in large quantities using metal plates such as stainless steel by thermoplastic deformation using an incremental and synchronized rubber molding process.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: February 3, 2015
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Dong Yol Yang, Seung Min Ryu, Sae Hoon Kim, Yoo Chang Yang, Sang Mun Chin, Nam Young Cho
  • Publication number: 20150010799
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 8, 2015
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140255743
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Application
    Filed: May 22, 2014
    Publication date: September 11, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140242753
    Abstract: Flip chip packaging methods, and flux head manufacturing methods used in the flip chip packaging methods may be provided. In particular, a flip chip packaging method including printing flux on a pad of a printed circuit board (PCB), mounting the die in a flip chip manner on the PCB such that a bump of the die faces the pad of the PCB, and bonding the bump of the die to the pad of the PCB using the flux may be provided.
    Type: Application
    Filed: December 17, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyeong Min YEO, Seung Min RYU, Dae Jung KIM, Ji Ho UH, Suk Won LEE
  • Publication number: 20140234682
    Abstract: There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same width and different lengths, wherein the electrode units are stacked so that a stepped portion is formed between the electrode units, and electrodes having different polarities face each other at an interface between the electrode units.
    Type: Application
    Filed: April 25, 2014
    Publication date: August 21, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Jin Kwon, Ki-Woong Kim, Soon-Ho Ahn, Dong-Myung Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140227579
    Abstract: There is provided an electrode assembly having increased degrees of structural freedom in the thickness direction thereof. The electrode assembly includes negative and positive electrodes alternately stacked with separators interposed therebetween, wherein the electrode assembly is formed by stacking N electrode stacks where N is a natural number equal to or greater than 2, each of the electrode stacks comprises electrodes having the same area and stacked with separators interposed therebetween, and neighboring electrode stacks of the electrode stacks have different electrode areas, wherein a first electrode stack of the electrode stacks is formed by stacking unit cells respectively including an odd number of electrodes, and the other electrode stacks stacked on the first electrode are formed by stacking unit cells respectively including an even number of electrodes.
    Type: Application
    Filed: April 18, 2014
    Publication date: August 14, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Jin Kwon, Ki-Woong Kim, Soon-Ho Ahn, Dong-Myung Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140120397
    Abstract: An electrode assembly and a method of manufacturing the same are provided. The electrode assembly includes an electrode stack including at least one anode, at least one cathode, and at least one separation film and a plurality of cathode tabs and a plurality of anode tabs for electrically connecting the electrode stack. In this case, the electrode tabs are arranged to allow the electrode tabs having the same polarity to be electrically connected to one another while a portion of the electrode tabs having the same polarity are arranged so as not to overlap one another on the same plane.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 1, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Young-Hoon Kim, Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Seung-Min Ryu
  • Publication number: 20140120394
    Abstract: There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 1, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140106206
    Abstract: The present invention relates to a method of manufacturing an electrode assembly, the method including: preparing an electrode laminate including at least one negative electrode, at least one positive electrode, and at least one separation film; generating a separation film assembly by bonding remaining portions of the separation film positioned in regions not corresponding to shapes of the negative electrode and the positive electrode; and cutting the separation film assembly so as to correspond to the shapes of the negative electrode and the positive electrode, and an electrode assembly manufactured by the method.
    Type: Application
    Filed: December 18, 2013
    Publication date: April 17, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sung-Jin Kwon, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Young-Hoon Kim, Sung-Han Yoon, Seung-Min Ryu
  • Publication number: 20140099525
    Abstract: There is provided an electrode assembly. The electrode assembly includes a stack of unit cells respectively including at least one negative electrode and at least one positive electrode, alternately stacked, wherein at least one separator is placed on each of both sides of the electrodes, and at least one of the unit cells has an area different from that of an adjacent unit cell to form at least one stepped portion on the electrode assembly. In addition, there are also provided a battery cell, a battery pack, and a device that include the electrode assembly.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Jin Kwon, Young-Hoon Kim, Soon-Ho Ahn, Dong-Myung Kim, Ki-Woong Kim, Sung-Han Yoon, Seung-Min Ryu