Patents by Inventor Su-Ho Song

Su-Ho Song 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).

  • Negative active material for rechargeable lithium battery and rechargeable lithium battery including same
    Patent number: 8785049
    Abstract: A negative active material for a rechargeable lithium battery includes a core including crystalline carbon, a metal nano particle and a MOx nano particle (where x is from 0.5 to 1.5, and M is Si, Sn, In, Al, or a combination thereof) disposed on the core surface, and a coating layer including an amorphous carbon surrounding the core surface, the metal nano particle and the MOx nano particle. A lithium rechargeable battery includes the negative active material.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Bong-Chull Kim, Cheol-Hee Hwang, Dong-Yung Kim, Se-Ho Park, Hyun-Jun Choi, In-Ho Jung, Su-Ho Song
  • Negative Active Material for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same
    Publication number: 20120115033
    Abstract: A negative active material for a rechargeable lithium battery includes a core including crystalline carbon, a metal nano particle and a MOx nano particle (where x is from 0.5 to 1.5, and M is Si, Sn, In, Al, or a combination thereof) disposed on the core surface, and a coating layer including an amorphous carbon surrounding the core surface, the metal nano particle and the MOx nano particle.
    Type: Application
    Filed: March 21, 2011
    Publication date: May 10, 2012
    Inventors: Bong-Chull Kim, Cheol-Hee Hwang, Dong-Yung Kim, Se-Ho Park, Hyun-Jun Choi, In-Ho Jung, Su-Ho Song
  • Positive active material for lithium secondary battery and method of preparing same
    Patent number: 7790318
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: September 7, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um
  • POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING SAME
    Publication number: 20100151121
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Application
    Filed: February 26, 2010
    Publication date: June 17, 2010
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um
  • Positive active material for lithium secondary battery and method of preparing same
    Patent number: 7695869
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: April 13, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um
  • Positive active material for lithium secondary battery and method of preparing same
    Patent number: 7674553
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: March 9, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um
  • POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING SAME
    Publication number: 20090127504
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Application
    Filed: January 15, 2009
    Publication date: May 21, 2009
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um
  • Positive active material for lithium secondary battery and method of preparing same
    Publication number: 20050181281
    Abstract: Disclosed in a positive active material for a lithium secondary battery including a compound represented by formula 1 and having a 10% to 70% ratio of diffracted intensity of diffraction lines in 2?=53° (104 plane) with respect to diffracted intensity of diffraction lines in the vicinity of 2?=22° (003 plane) in X-ray diffraction patterns using a CoK?-ray, LixCoO2-yAy??(1) wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P.
    Type: Application
    Filed: February 16, 2005
    Publication date: August 18, 2005
    Inventors: Jung-Joon Park, Su-Ho Song, Wan-Seog Oh, Jae-Chul Um