Patents by Inventor Young-Ki Kim

Young-Ki 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).

  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20150364762
    Abstract: Disclosed is a rechargeable lithium battery that includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte, wherein the positive active material includes a compound represented by the following Chemical Formula 1, the negative active material includes a silicon-based compound, the compound represented by the above Chemical Formula 1 is included in an amount of about 3 wt % to about 30 wt % based on 100 wt % of the positive active material, and the silicon-based compound is included in an amount of about 3 wt % to about 10 wt % based on 100 wt % of the negative active material. Lix1CO1-yMyO2??Chemical Formula 1 In the above Chemical Formula 1, 1.05<x1<1.10, 0.03<y<0.05 and, M includes one selected from B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu, Al, and a combination thereof.
    Type: Application
    Filed: April 30, 2015
    Publication date: December 17, 2015
    Inventors: Young-Ki Kim, Ick-Kyu Choi, Young-Hun Lee, Na-Ri Park, Soon-Rewl Lee, Yong-Chul Park, Hong-Kyu Choi
  • Cathode active material, method of preparing the cathode material, cathode, and lithium secondary battery including the same
    Patent number: 9184443
    Abstract: A cathode active material including at least two agglomerates of primary particles and a cathode and a lithium secondary battery containing the same are disclosed. In the cathode active material, a secondary particle includes a nickel-based lithium transition metal oxide, an average particle diameter of each primary particle is in a range from about 2 to about 3 ?m, and an average particle diameter of the secondary particle is in a range from about 5 to about 8 ?m.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: November 10, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Hun Lee, Soon-Rewl Lee, Na-Ri Park, Young-Ki Kim, Ick-Kyu Choi, Yong-Chul Park, Hong-Kyu Choi
  • APPARATUS AND METHOD FOR RECOGNIZING ZONE IN PORTABLE TERMINAL
    Publication number: 20150257119
    Abstract: An apparatus and method for recognizing an indoor zone in which a user is located by using an Earth's magnetic field that is generated naturally instead of the conventional method of combining a magnetic field generator and a magnetic field sensor. The apparatus includes a zone evaluator configured to primarily recognize a location of the portable terminal by using first and second components of an Earth's magnetic field and to finally recognize the location of the portable terminal by using first and second images.
    Type: Application
    Filed: May 26, 2015
    Publication date: September 10, 2015
    Inventors: Seong-Il Hahm, Seong-Ho Cho, Jin-Wook Lee, Hun-Je Yeon, Young-Ki Kim, Pil-Seob Kang, Shin-Il Kang
  • POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20150228976
    Abstract: Disclosed are a positive active material for a rechargeable lithium battery including a compound represented LixCo1?yTiyO2, wherein 1<x?1.1 and 0.02?y?0.05; a method of preparing the same; and a rechargeable lithium battery including the same.
    Type: Application
    Filed: January 9, 2015
    Publication date: August 13, 2015
    Inventors: Young-Ki KIM, Na-Ri PARK, Young-Hun LEE, Soon-Rewl LEE, Ick-Kyu CHOI, Yong-Chul PARK
  • LITHIUM BATTERY
    Publication number: 20150228979
    Abstract: A lithium battery including a cathode; an anode; and an electrolyte disposed between the cathode and the anode is disclosed. In the lithium battery, the cathode includes a nickel-based lithium transition metal oxide having primary particles having an average particle diameter of 2 ?m or more, and the anode includes graphite and a silicon-based compound.
    Type: Application
    Filed: January 9, 2015
    Publication date: August 13, 2015
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Young-Hun Lee, Na-Ri Park, Yong-Chul Park, Hong-Kyu Choi
  • POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20150221945
    Abstract: Disclosed are a positive active material for a rechargeable lithium battery, a method of preparing same and rechargeable lithium battery including the same, wherein the positive active material includes lithium cobalt-based compound having pH of greater than about 7 and less than about 10.
    Type: Application
    Filed: November 7, 2014
    Publication date: August 6, 2015
    Inventors: Young-Ki Kim, Na-Ri Park, Young-Hun Lee, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • POSITIVE ACTIVE MATERIAL, LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE POSITIVE ACTIVE MATERIAL
    Publication number: 20150214540
    Abstract: A positive active material, a lithium battery including the same, and a method of manufacturing the positive active material. The positive active material includes lithium-transition metal composite oxide and lithium titanium molybdate. Here, the lithium titanium molybdate functions as a sacrificial positive electrode. The positive active material may increase charge capacity of the lithium battery and may improve lifetime characteristics of the lithium battery.
    Type: Application
    Filed: November 11, 2014
    Publication date: July 30, 2015
    Inventors: Young-Ki Kim, Young-Hun Lee, Soon-Rewl Lee, Ick-Kyu Choi, Yong-Chul Park
  • POSITIVE ACTIVE MATERIAL, LITHIUM BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE POSITIVE ACTIVE MATERIAL
    Publication number: 20150214543
    Abstract: Provided are a positive active material, a lithium battery including the positive active material, and a method of manufacturing the positive active material. The positive active material includes a lithium molybdate composite having a core-shell structure. The lithium molybdate composite acts as a sacrificial positive electrode in a positive electrode of a battery. The positive active material is able to increase charge capacity of a lithium battery, and accordingly is able to improve lifetime properties of a lithium battery.
    Type: Application
    Filed: August 5, 2014
    Publication date: July 30, 2015
    Inventors: Young-Ki KIM, Young-Hun LEE, Ick-Kyu CHOI, Yong-Chul PARK, Soon-Rewl LEE
  • Lithium secondary battery including lithium molybdate
    Patent number: 9077050
    Abstract: A lithium secondary battery including lithium molybdate. The lithium molybdate is a composite including semi-crystalline lithium molybdate as a minor component and crystalline lithium molybdate as a major component.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: July 7, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Ick-Kyu Choi, Yong-Chul Park, Yoon-Chang Kim, Hyun-Deok Lee, Yong-Chan You
  • JUICER
    Publication number: 20150164129
    Abstract: The present invention relates to a juicer comprising a screw is arranged inside a net drum, and a rotary brush placed between an inner wall of a housing and an outer wall of the net drum, wherein a screw coupling protrusion or a screw coupling groove is formed on the upper part of the screw and a rotary brush coupling groove or a rotary brush coupling protrusion is formed on the upper part of the rotary brush such that the screw coupling protrusion and the rotary brush coupling groove are coupled or the screw coupling groove and the rotary brush coupling protrusion are coupled in such a manner that the rotary brush is directly rotated by the screw.
    Type: Application
    Filed: June 27, 2013
    Publication date: June 18, 2015
    Inventor: Young Ki KIM
  • Apparatus and method for recognizing zone in portable terminal using earth magnetic field components and images
    Patent number: 9052192
    Abstract: An apparatus and method for recognizing an indoor zone in which a user is located by using an Earth's magnetic field that is generated naturally instead of the conventional method of combining a magnetic field generator and a magnetic field sensor. The apparatus includes a zone evaluator configured to primarily recognize a location of the portable terminal by using first and second components of an Earth's magnetic field and to finally recognize the location of the portable terminal by using first and second images.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: June 9, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-Il Hahm, Seong-Ho Cho, Jin-Wook Lee, Hun-Je Yeon, Young-Ki Kim, Pil-Seob Kang, Shin-Il Kang
  • Positive active material for lithium secondary battery
    Patent number: 9034520
    Abstract: Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5±2°, 21±2°, 38±2°, and 64±2° 2-theta (2?) and represented by Formula 1: LixMoO3, where 1<x?3. Also disclosed is a method of preparing the positive active material.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: May 19, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Young-Hun Lee, Soon-Rewl Lee, Jay-Hyok Song, Ick-Kyu Choi, Yong-Chul Park, Yoon-Chang Kim
  • Bicycle for water and land
    Patent number: 9028286
    Abstract: Disclosed is a bicycle for water and land including: a first floating means, which is provided on and rotates with a front wheel frame that rotates in conjunction with a handlebar, for unfolding on both sides by means of buoyancy to buoy the front wheel frame when entering water; a second floating means, which is provided on a rear wheel frame, for unfolding on both sides by means of buoyancy to buoy the rear wheel frame when entering water; and propellers, which are provided on a plurality of spokes that are installed on the rear wheel frame so that the surfaces face the direction in which the rear wheel rotates, for generating propelling force in water.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: May 12, 2015
    Inventor: Young Ki Kim
  • Positive electrode and lithium battery including the same
    Patent number: 8999575
    Abstract: Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 Li2Mo1-nR1nO3, and the second sublayer comprises a second active material represented by Formula 2 Li2Ni1-mR2mO2. In Formula 1, 0?n<1; and R1 is selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: April 7, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soon-Rewl Lee, Ick-Kyu Choi, Young-Ki Kim, Jay-Hyok Song, Young-Hun Lee, Yu-Mi Song, Yoon-Chang Kim
  • DEVICE FOR REMOVING ICE AND SNOW FROM POWER TRANSMISSION LINE
    Publication number: 20150059114
    Abstract: A device for removing ice and snow from a power transmission line includes a support member installed on the power transmission line, and a vibrator that is provided for the support member and applies vibrations to the power transmission line so as to remove the ice and the snow attached to the power transmission line.
    Type: Application
    Filed: May 23, 2014
    Publication date: March 5, 2015
    Applicant: KOREA ELECTRIC POWER CORPORATION
    Inventors: Young Ki KIM, Seung Hoon LEE, Sang Hee CHOI, Bum Young KANG, Hyun Jong JUNG
  • JUICE EXTRACTOR
    Publication number: 20150007733
    Abstract: A juice extractor, which can prevent juice from being easily discharged via a very small part of a space defined between a feed screw and a hard cylindrical control part of a control cap even when residue is being discharged therethrough, thereby realizing the maximum juice extraction ratio for each different kind of input material.
    Type: Application
    Filed: March 29, 2012
    Publication date: January 8, 2015
    Inventor: Young Ki Kim
  • CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE CATHODE MATERIAL, CATHODE, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20150010819
    Abstract: A cathode active material including at least two agglomerates of primary particles and a cathode and a lithium secondary battery containing the same are disclosed. In the cathode active material, a secondary particle includes a nickel-based lithium transition metal oxide, an average particle diameter of each primary particle is in a range from about 2 to about 3 ?m, and an average particle diameter of the secondary particle is in a range from about 5 to about 8 ?m.
    Type: Application
    Filed: December 10, 2013
    Publication date: January 8, 2015
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Young-Hun LEE, Soon-Rewl LEE, Na-Ri PARK, Young-Ki KIM, Ick-Kyu CHOI, Yong-Chul PARK, Hong-Kyu CHOI
  • Juice extractor
    Patent number: D725439
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: March 31, 2015
    Inventor: Young Ki Kim
  • Juice extractor
    Patent number: D725440
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: March 31, 2015
    Inventor: Young Ki Kim
  • Juice extractor
    Patent number: D744792
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: December 8, 2015
    Inventor: Young Ki Kim