Patents by Inventor Deok-Hyun Kim

Deok-Hyun Kim 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: 9553305
    Abstract: An anode active material. The anode active material includes a core including SiOx (0.5?x?1.7), and a coating layer formed on the core at least partially. The coating layer includes metal unreactive toward lithium.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: January 24, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Nam Joo, Tae-Sik Kim, Deok-Hyun Kim, Jae-Myung Kim
  • Patent number: 9539872
    Abstract: A mounting unit of a shock absorber for a vehicle is disclosed. A mounting unit of a shock absorber for a vehicle that fixes an upper portion of a shock absorber connected to wheels to a vehicle body according to an exemplary embodiment of the present invention may include a shock absorber housing mounted to the vehicle body; a mounting module disposed in the shock absorber housing, and at least two mounting hole is formed at the mounting module; a tapping nut engaged through a mounting hole of the mounting module in the shock absorber housing; and a fixing nut engaged to an end portion of the tapping nut protruded to outside of the shock absorber housing and fixing the mounting module to the shock absorber housing; the mounting module and fixing nut are temporarily assembled to the shock absorber housing through a temporarily assembly apparatus and engaged to the tapping nut.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: January 10, 2017
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Deok Hyun Kim, Mun Yong Lee
  • Publication number: 20160268591
    Abstract: Disclosed are a negative electrode for a rechargeable lithium battery that includes a plurality of non-sheet-shaped graphite particles, at least one silicon-based particle in a void formed by assembling the non-sheet-shaped graphite particles, and a sheet-shaped graphite powder between the non-sheet-shaped graphite particles, the void, or both thereof, wherein a size of the silicon particle is smaller than a length of the longest axis of the sheet-shaped graphite powder.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 15, 2016
    Inventors: Young-Jin Choi, Yong-Chan You, Sang-Hyuck Ahn, Su-Kyung Lee, Deok-Hyun Kim, Xianhui Meng, Sang-Pil Kim
  • Publication number: 20160233501
    Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the negative active material includes a Si-based alloy; a first graphite material; and a second graphite material having a different average particle diameter from the first graphite material.
    Type: Application
    Filed: January 20, 2016
    Publication date: August 11, 2016
    Inventors: Su-Kyung LEE, Sang-Hyuck AHN, Deok-Hyun KIM, Xianhui MENG, Young Jin CHOI, Sang-Pil KIM, Yong-Chan YOU
  • Publication number: 20160185175
    Abstract: A mounting unit of a shock absorber for a vehicle is disclosed. A mounting unit of a shock absorber for a vehicle that fixes an upper portion of a shock absorber connected to wheels to a vehicle body according to an exemplary embodiment of the present invention may include a shock absorber housing mounted to the vehicle body; a mounting module disposed in the shock absorber housing, and at least two mounting hole is formed at the mounting module; a tapping nut engaged through a mounting hole of the mounting module in the shock absorber housing; and a fixing nut engaged to an end portion of the tapping nut protruded to outside of the shock absorber housing and fixing the mounting module to the shock absorber housing; the mounting module and fixing nut are temporarily assembled to the shock absorber housing through a temporarily assembly apparatus and engaged to the tapping nut.
    Type: Application
    Filed: July 30, 2015
    Publication date: June 30, 2016
    Inventors: Deok Hyun KIM, Mun Yong LEE
  • Patent number: 9309112
    Abstract: A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiOx (0<x<2) core including Si grains and a continuous or discontinuous coating layer including Ag, the coating layer being disposed on the core.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: April 12, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Myung Kim, Kyu-Nam Joo, Tae-Sik Kim, Deok-Hyun Kim
  • Publication number: 20160049638
    Abstract: Provided are an electrode for a rechargeable lithium battery including a current collector and an active material layer positioned on the current collector, the active material layer includes an electrode active material; binder; a composite material including an acrylonitrile-based resin and a carbon-based material positioned on the surface of the acrylonitrile-based resin; and a pore, and a rechargeable lithium battery including the same.
    Type: Application
    Filed: July 20, 2015
    Publication date: February 18, 2016
    Inventors: Hyun-Ki Park, Jae-Myung Kim, Deok-Hyun Kim
  • Patent number: 9252428
    Abstract: Disclosed is a negative electrode for a rechargeable lithium battery that includes a current collector and a negative active material layer on the current collector, the negative active material layer having an active mass density in a range of about 1.6 g/cc to about 2.1 g/cc and including graphite and a pore-forming agent.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: February 2, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Myung Kim, Kyu-Nam Joo, Soon-Sung Suh, Su-Kyung Lee, Deok-Hyun Kim, Yeon-Gap Kim
  • Patent number: 9219272
    Abstract: A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The secondary particle is used as a negative active material in the lithium battery, and the secondary particle contains pores, thereby allowing for effective intercalating and deintercalating of the lithium ions into the secondary particle to impart improved capacity and cycle lifespan.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: December 22, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Ra Lee, Jae-Myung Kim, Kyu-Nam Joo, Tae-Sik Kim, Jong-Hee Lee, Ui-Song Do, Young-Su Kim, Beom-Kwon Kim, Deok-Hyun Kim, Gu-Hyun Chung, Chang-Su Shin, Yong-Mi Yu
  • Patent number: 9212684
    Abstract: Disclosed is a rivet nut unit. The rivet nut unit may comprise a rivet nut including a flange of which a lower surface is supported by a upper surface of a plate while riveting the plate by a riveter, a body part of which the inside of a lower part is worked to have screw threads and which is integrally formed in a cylindrical shape with a lower portion of the flange, and a hole-making head which is disengageably located on a lower end of the body part to rotate together with the rivet nut and bore an insertion hole in the plate while the riveter rotates in order to insert the body part into the plate.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: December 15, 2015
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong Lee, Deok Hyun Kim
  • Patent number: 9123952
    Abstract: In an aspect, a negative electrode active material, a method of preparing the same, and a lithium secondary battery having the negative electrode including the negative electrode active material is provided. The negative electrode active material may include amorphous silicon oxide, crystalline silicon, carbon, metal silicide, spherical particles and whiskers.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 1, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Deok-Hyun Kim, Jae-Myung Kim, Kyu-Nam Joo, Soon-Sung Suh, Yeon-Gap Kim
  • Publication number: 20150151698
    Abstract: A method of manufacturing a bumper beam unit of a vehicle, wherein the bumper beam unit includes a bumper beam formed through a roll forming process and a stay mounted at an end portion of the bumper beam is disclosed. The method may include: a cutout section forming step in which a cutout section is formed by cutting out an end portion of a rear portion of the bumper beam partially; a cutout section bonding step in which a bonding section is formed by bonding both cutout surfaces in a state of contacting the both cutout surfaces; and a stay bonding step in which a stay is bonded to end portions of a rear surface of the bumper beam corresponding to the bonding section.
    Type: Application
    Filed: December 24, 2013
    Publication date: June 4, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Deok Hyun Kim
  • Patent number: 9048486
    Abstract: A negative active material including: a composite including a matrix comprising silicon oxide, silicon carbide, and carbon and silicon particles dispersed in the matrix; and a carbon coating film formed on a surface of the composite, wherein an intensity ratio of a SiC peak to a Si peak in an X-ray diffraction spectrum is 1 or more, a method of preparing the negative active material, a negative electrode including the negative active material, and a lithium battery including the electrode.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Deok-Hyun Kim, Jae-Myung Kim, Kyu-Nam Joo, Tae-Sik Kim
  • Publication number: 20150101038
    Abstract: The present invention relates to a terminal for checking a calibration history of a scale, a system for managing a calibration history of a scale and a method of checking a calibration history of a scale, and more particularly, a terminal for managing history of calibrating or revising the reference data being a standard when calculating a weight, the system thereof and the method thereof. According to the present invention, it is expected to prevent business transactions of a scale user because a general user as well as a qualified person can determine whether a scale is manipulated without authority. In addition, according to the system of the present invention, it is possible to greatly lower the calibration cost of a scale.
    Type: Application
    Filed: July 1, 2013
    Publication date: April 9, 2015
    Inventors: Yi Phyo Hong, Kwan Ho Tho, Deok Hyun Kim, Hee Chun Jung, Byung Hoon Lee
  • Publication number: 20150056510
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery including a silicon-based material including SiOx particles, where 0<x<2, and a Si—Fe-containing alloy positioned on the surface of the SiOx (0<x<2) particles, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same.
    Type: Application
    Filed: July 16, 2014
    Publication date: February 26, 2015
    Inventors: Yu-Jeong Cho, Hyun-Ki Park, Sang-Hyuck Ahn, Deok-Hyun Kim, Xianhui Meng, Su-Kyung Lee, Yeon-Gap Kim, Young-Jin Choi
  • Publication number: 20150043995
    Abstract: Disclosed is a rivet nut unit. The rivet nut unit may comprise a rivet nut including a flange of which a lower surface is supported by a upper surface of a plate while riveting the plate by a riveter, a body part of which the inside of a lower part is worked to have screw threads and which is integrally formed in a cylindrical shape with a lower portion of the flange, and a hole-making head which is disengageably located on a lower end of the body part to rotate together with the rivet nut and bore an insertion hole in the plate while the riveter rotates in order to insert the body part into the plate.
    Type: Application
    Filed: December 26, 2013
    Publication date: February 12, 2015
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun Yong LEE, Deok Hyun Kim
  • Patent number: 8927154
    Abstract: A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 ?m, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: January 6, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Hee Lee, Young-Su Kim, Jae-Myung Kim, Kyu-Nam Joo, So-Ra Lee, Deok-Hyun Kim, Gu-Hyun Chung, Beom-Kwon Kim, Yong-Mi Yu
  • Patent number: 8871388
    Abstract: A negative electrode for a lithium battery and a lithium battery including the negative electrode, the negative electrode including: a matrix of a Sn grain and a metal M grain; and a carbon-based material grown on the matrix.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: October 28, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Kwon Kim, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, So-Ra Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung
  • Patent number: 8852804
    Abstract: A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: October 7, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Nam Joo, Beom-Kwon Kim, Jong-Hee Lee, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, So-Ra Lee, Jae-Myung Kim
  • Patent number: 8815448
    Abstract: A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L1. L2 is a distance between a third carbon and a fourth carbon, and the arrangement of the polycyclic nano-sheets is such that L1?L2. The super-conductive nanoparticle is used as a negative active material in a lithium battery, and the super-conductive nanoparticle increases the capacity, thereby improving the capacity and lifespan of the lithium battery.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Ra Lee, Jae-Myung Kim, Kyu-Nam Joo, Jong-Hee Lee, Tae-Sik Kim, Ui-Song Do, Young-Su Kim, Deok-Hyun Kim, Gu-Hyun Chung, Beom-Kwon Kim, Yong-Mi Yu, Chang-Su Shin