Patents by Inventor So-Hyun Hur

So-Hyun Hur 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: 9287585
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 9269984
    Abstract: An electrode assembly and a rechargeable battery using the same include a positive electrode including a positive current collector and a positive active material on the positive current collector; a negative electrode including a negative current collector and a negative active material on the negative current collector; an outer electrode including an outer current collector and an outer active material on the outer current collector, wherein the outer current collector includes an outer surface facing away from an outer separator and an inner surface facing toward the outer separator, and the outer active material is on both the outer surface and the inner surface, and wherein a thickness of the outer active material is less than at least one of a thickness of the positive active material or a thickness of the negative active material.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: February 23, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Man-Seok Han, Jin-Kyu Hong, Sung-Soo Kim, Nam-Soon Choi, Sae-Weon Roh, So-Hyun Hur
  • Patent number: 9088051
    Abstract: A positive electrode protective layer composition of a rechargeable lithium battery includes a polymer compound and an ionic liquid including a borate-based anion. A rechargeable lithium battery includes the positive electrode protective layer. A method of manufacturing the same is also provided.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: July 21, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur, In-Haeng Cho
  • Patent number: 9083055
    Abstract: An electrode for a rechargeable lithium battery and method of manufacturing a rechargeable lithium battery including the electrode is disclosed. In one embodiment, the electrode includes i) a current collector, ii) a first electrode composition layer provided on a surface of the current collector and iii) a second electrode composition layer farther than the first electrode composition layer from the current collector. Further, each of the first and second electrode composition layers comprises an active material and a conductive material, and wherein the amount of the conductive material of the first electrode composition layer is different from that of the conductive material of the second electrode composition layer.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: July 14, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur
  • Patent number: 9012077
    Abstract: A positive electrode and a rechargeable lithium battery including the same, the positive electrode including a current collector and a positive active material layer disposed on the current collector. The positive active material layer includes a positive active material and a binder including an ion conductive polymer including a carboxylate group.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: April 21, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur
  • Publication number: 20150093602
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Application
    Filed: December 4, 2014
    Publication date: April 2, 2015
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 8906559
    Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent; a lithium salt; and an additive including vinylene carbonate, fluoroethylene carbonate, and a nitrile-based compound represented by Formula 1: wherein n ranges from 1 to 12 and R1 and R2 are independently a halogen, a hydrogen, or an alkyl group. Further, the alkyl group can be CmH(2m+1), in which m ranges from 1 to 10. The electrolyte for a rechargeable lithium battery improves storage stability of the rechargeable lithium battery at a high temperature. And, a rechargeable lithium battery including the electrolyte has improved storage stability.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: December 9, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jong-Hwa Lee, In-Tae Mun, Sae-Weon Roh, So-Hyun Hur, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu
  • Patent number: 8808915
    Abstract: The rechargeable lithium battery includes a positive electrode which includes a positive active material, a negative electrode, and an electrolyte which includes a non-aqueous organic solvent and a lithium salt. The positive active material includes a core including at least one of a compound represented by Formula 1 and a compound represented by Formula 2, and a surface-treatment layer which is formed on the core and includes a compound represented by Formula 3. The lithium salt includes LiPF6 and a lithium imide-based compound. LiaNibCocMndMeO2??(1) LihMn2MiO4??(2) M?xPyOz??(3) wherein each of M and M? is independently selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and combinations thereof, 0.95?a?1.1, 0?b?0.999, 0?c?0.999, 0?d?0.999, 0.001?e?0.2, 0.95?h?1.1, 0.001?i?0.2, 1?y?4, 0?y?7, and 2?z?30.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: So-Hyun Hur, Euy-Young Jung, Duck-Chul Hwang, Yong-Chul Park, Jong-Hwa Lee, Jeom-Soo Kim, Jae-Yul Ryu, Jin-Bum Kim
  • Patent number: 8808918
    Abstract: The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCo0.98M?0.02O2, and the coating layer is made of a material such as MxPyOz. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Jeom-Soo Kim, Jong-Hwa Lee, Yong-Chul Park, Jae-Yul Ryu, So-Hyun Hur
  • Patent number: 8802300
    Abstract: A rechargeable lithium battery including a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte including a non-aqueous organic solvent and a lithium salt. The positive electrode has an active-mass density of about 3.7 to 4.1 g/cc, and the non-aqueous electrolyte includes a nitrile-based compound additive, a non-aqueous organic solvent, and a lithium salt.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: August 12, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Hwa Lee, Duck-Chul Hwang, Jeom-Soo Kim, Yong-Chul Park, Jae-Yul Ryu, Euy-Young Jung, So-Hyun Hur
  • Patent number: 8785040
    Abstract: A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including a positive active material and a binder and having a thickness of about 150 ?m or more, a method of manufacturing the same, and a rechargeable lithium battery including the same.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: July 22, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Nam-Soon Choi, Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur
  • Publication number: 20140065476
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including boron containing compounds and a rechargeable lithium battery including the same.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 6, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Moon-Sung KIM, Woo-Cheol SHIN, Sang-Il HAN, Jung-Yi YU, Myung-Hwan JEONG, Tae-Hyun BAE, Mi-Hyun LEE, Myung-Hoon KIM, Sang-Geun KIM, So-Hyun HUR, Ha-Rim LEE
  • Patent number: 8268486
    Abstract: A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound LiaCO1-bMbO2 and a surface-treatment layer. In the core compound, 0.95?a?1.1, 0.002?b?0.02, and M is one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po. The surface-treatment layer includes a compound including element of P, and one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, As, Sb, Bi, S, Se, Te, Po.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: September 18, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Chul Hwang, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu, Jong-Hwa Lee, Euy-Young Jung, So-Hyun Hur
  • Publication number: 20120107694
    Abstract: A positive electrode protective layer composition of a rechargeable lithium battery includes a polymer compound and an ionic liquid including a borate-based anion. A rechargeable lithium battery includes the positive electrode protective layer. A method of manufacturing the same is also provided.
    Type: Application
    Filed: August 5, 2011
    Publication date: May 3, 2012
    Inventors: Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur, In-Haeng Cho
  • Publication number: 20120052384
    Abstract: Disclosed is a composition for a positive electrode of a rechargeable lithium battery that includes a positive active material, a binder, and an ionic liquid including a borate-based anion.
    Type: Application
    Filed: July 6, 2011
    Publication date: March 1, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Sae-Weon ROH, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur, In-Haeng Cho
  • Patent number: 8003252
    Abstract: An electrode, for a rechargeable lithium battery, including a current collector; an active material layer disposed on the current collector; and a coating layer disposed on the active material layer. The coating layer includes a lithium ion conductive polymer and an inorganic material represented by Formula 1: MwHxPyOz, wherein M is an element selected from the group consisting of an alkali metal, an alkaline-earth metal, a Group 13 element, a Group 14 element, a transition element, a rare earth element, and a combination thereof; and 1?w?4, 0?x?4, 1 ?y?7, and 2?z?30.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: August 23, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Euy-Young Jung, Duck-Chul Hwang, Yong-Chul Park, Jeom-Soo Kim, Jong-Hwa Lee, Jae-Yul Ryu, So-Hyun Hur
  • Publication number: 20110123863
    Abstract: A positive electrode and a rechargeable lithium battery including the same, the positive electrode including a current collector and a positive active material layer disposed on the current collector. The positive active material layer includes a positive active material and a binder including an ion conductive polymer including a carboxylate group.
    Type: Application
    Filed: October 12, 2010
    Publication date: May 26, 2011
    Inventors: Nam-Soon Choi, Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur
  • Publication number: 20110123864
    Abstract: A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including a positive active material and a binder and having a thickness of about 150 ?m or more, a method of manufacturing the same, and a rechargeable lithium battery including the same.
    Type: Application
    Filed: September 21, 2010
    Publication date: May 26, 2011
    Inventors: Nam-Soon Choi, Sae-Weon Roh, Yong-Chul Park, Sung-Soo Kim, So-Hyun Hur
  • Publication number: 20110117438
    Abstract: An electrode assembly and a rechargeable battery using the same include a positive electrode including a positive current collector and a positive active material on the positive current collector; a negative electrode including a negative current collector and a negative active material on the negative current collector; an outer electrode including an outer current collector and an outer active material on the outer current collector, wherein the outer current collector includes an outer surface facing away from an outer separator and an inner surface facing toward the outer separator, and the outer active material is on both the outer surface and the inner surface, and wherein a thickness of the outer active material is less than at least one of a thickness of the positive active material or a thickness of the negative active material.
    Type: Application
    Filed: September 8, 2010
    Publication date: May 19, 2011
    Inventors: Man-Seok HAN, Jin-Kyu Hong, Sung-Soo Kim, Nam-Soon Choi, Sae-Weon Roh, So-Hyun Hur
  • Patent number: 7923149
    Abstract: A positive electrode including a current collector; a positive active material layer disposed on the current collector; and a coating layer disposed on the positive active material layer. The coating layer includes a binder and a inorganic additive. The binder is a poly(vinylidenefluoride-hexafluoropropylene) copolymer comprising 2 to 16 mole % of hexafluoropropylene. The positive electrode for a rechargeable lithium battery suppresses side-reactions between a positive electrode and an electrolyte, at a high voltage.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: April 12, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Duck-Chul Hwang, Yong-Chul Park, Jeom-Soo Kim, Jae-Yul Ryu, Jong-Hwa Lee, Euy-Young Jung, So-Hyun Hur