Patents by Inventor Mi-Hyeun Oh

Mi-Hyeun Oh 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).

  • Gel electrolyte including additives for rechargeable lithium battery, and rechargeable lithium battery including same
    Patent number: 9825329
    Abstract: A gel electrolyte for a rechargeable lithium battery includes a gel polymer including a repeating unit derived from a first monomer represented by A-L-E, a non-aqueous organic solvent, a lithium salt, and an additive. A rechargeable lithium battery includes the gel electrolyte. The additive includes a compound selected from compounds represented by compounds represented by derivatives thereof, and combinations thereof.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: November 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Su-Hee Han, Jin-Sung Kim, Jin-Hyunk Lim, Na-Rae Park, Mi-Hyeun Oh
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same
    Patent number: 9590267
    Abstract: Disclosed are a non-aqueous electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the non-aqueous electrolyte, and the non-aqueous electrolyte for a rechargeable lithium battery includes a lithium salt; a non-aqueous organic solvent; and trialkylsilyl borate as an additive, wherein the non-aqueous organic solvent may include a solvent having a low melting point of less than or equal to about ?50° C. and ionic conductivity of greater than or equal to about 6 mS/cm at 25° C.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Na-Rae Park, Jin-Hyunk Lim, Mi-Hyeun Oh
  • Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including the same
    Patent number: 9203108
    Abstract: An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Mi-Hyeun Oh, Ho-Seok Yang, Dai-In Park, Jin-Hyunk Lim
  • Electrolytic solution for lithium battery, lithium battery employing the same and method for operating the lithium battery
    Patent number: 9093702
    Abstract: In an embodiment of the invention, an electrolytic solution for a lithium battery including a cathode having a nickel (Ni)-cobalt (Co)-manganese (Mn)-based active material includes a nonaqueous organic solvent, a lithium salt, and adiponitrile. A lithium battery employs the electrolytic solution. A method of operating the battery includes charging the battery to a final charge voltage of about 4.25V or greater.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: July 28, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Sung Kim, Mi-Hyeun Oh, Jin-Hyuk Lim, Su-Hee Han, Na-Rae Park
  • Rechargeable lithium battery
    Patent number: 8968922
    Abstract: In one aspect, a rechargeable lithium battery including a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte is provided. The positive active material can include manganese-based oxide, and the electrolyte can include fluoroethylene carbonate, lithium bis(oxalato)borate, and tris(trialkylsilyl)borate.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: March 3, 2015
    Assignee: Samsung SDI Co., Ltd
    Inventors: Jin-Hyunk Lim, Ho-Seok Yang, Man-Seok Han, Mi-Hyeun Oh
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8945776
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a lithium salt, a silylborate-based compound, an anhydride component, and a non-aqueous organic solvent.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: February 3, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tae-Ahn Kim, Mi-Hyeun Oh, Na-Rae Won, Sung-Hoon Kim
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20140065493
    Abstract: Disclosed are a non-aqueous electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the non-aqueous electrolyte, and the non-aqueous electrolyte for a rechargeable lithium battery includes a lithium salt; a non-aqueous organic solvent; and trialkylsilyl borate as an additive, wherein he non-aqueous organic solvent may include a solvent having a low melting point of less than or equal to about ?50° C. and ionic conductivity of greater than or equal to about 6 S/cm at 25° C.
    Type: Application
    Filed: March 13, 2013
    Publication date: March 6, 2014
    Inventors: NA-RAE PARK, JIN-HYUNK LIM, MI-HYEUN OH
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8460830
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, trialkylsilyl(meth)acrylate compound represented by the following Chemical Formula 1, a halogenated carbonate compound, and an organic solvent. In the above Chemical Formula 1, R1 is hydrogen or methyl, and R2 to R4 are the same or different and one selected from C1 to C6 alkyl.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: June 11, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Sung Kim, Na-Rae Park, Su-Hee Han, Jin-Hyunk Lim, Mi-Hyeun Oh
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20130122378
    Abstract: An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided.
    Type: Application
    Filed: August 17, 2012
    Publication date: May 16, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Ho-Seok Yang, Dai-In Park, Jin-Hyunk Lim
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8420265
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery that includes a lithium salt, a phosphine compound having at least one trialkylsilyl group and organic solvent, and a rechargeable lithium battery including the electrolyte. The phosphine compound may be tris(trialkylsilyl)phosphine wherein the alkyl groups are the same or different and are each independently selected from C1 to C6 alkyl.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: April 16, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Jin-Sung Kim, Na-Rae Park, Su-Hee Han, Jin-Hyunk Lim
  • Electrolytic solution for lithium battery, lithium battery comprising the same and method of operating the lithium battery
    Patent number: 8415057
    Abstract: An electrolytic solution for a lithium battery including a positive electrode having a nickel-cobalt-manganese based active material, the electrolytic solution including a nonaqueous organic solvent and a lithium salt, the nonaqueous organic solvent including ethylene carbonate and dimethyl carbonate, a lithium battery including the electrolytic solution, and a method of operating the lithium battery.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: April 9, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Jin-Sung Kim, Su-Hee Han, Jin-Hyunk Lim, Na-Rae Park
  • Electrolyte for rechargeable lithium battery including additives, and rechargeable lithium battery including the same
    Patent number: 8388856
    Abstract: An electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive including a compound represented by the following Chemical Formula 1, and a rechargeable lithium battery including the electrolyte for a rechargeable lithium battery. In Chemical Formula 1, Ar1 and Ar2 are the same or different and are independently aromatic organic groups, and X is a halogen.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: March 5, 2013
    Assignees: Samsung SDI Co., Ltd., Techno Semichem Co., Ltd.
    Inventors: Na-Rae Park, Jin-Sung Kim, Su-Hee Han, Jin-Hyunk Lim, Mi-Hyeun Oh, Eun-Gi Shim
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20130034779
    Abstract: In one aspect, an electrolyte for a rechargeable lithium battery that includes a lithium salt, an organic solvent including ethylene carbonate and an additive including diphenyl carbonate, and a rechargeable lithium battery including the same are provided.
    Type: Application
    Filed: January 18, 2012
    Publication date: February 7, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Ho-Seok Yang, Man-Seok Han, Dai-In Park, Jin-Hyunk Lim
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8349497
    Abstract: Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, a trialkylsilyl cyanide compound represented by the following Chemical Formula 1, and an organic solvent. In the above Chemical Formula 1, R1 to R3 are the same or different, and selected from C1 to C6 alkyls.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Na-Rae Park, Jin-Sung Kim, Su-Hee Han, Jin-Hyunk Lim, Mi-Hyeun Oh
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Patent number: 8349499
    Abstract: An electrolyte for a rechargeable lithium battery, including a lithium salt, an organic solvent, lithium bis(oxalato)borate (LiBOB), and at least one kind of tris(trialkylsilyl)borate represented by following Chemical Formula 1. In the above Chemical Formula 1, R1 to R9 are the same as described in the detailed description.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: January 8, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mi-Hyeun Oh, Jin-Sung Kim, Na-Rae Park, Su-Hee Han, Jin-Hyunk Lim
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20120288771
    Abstract: In one aspect, a rechargeable lithium battery including a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte is provided. The positive active material can include manganese-based oxide, and the electrolyte can include fluoroethylene carbonate, lithium bis(oxalato)borate, and tris(trialkylsilyl)borate.
    Type: Application
    Filed: January 11, 2012
    Publication date: November 15, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jin-Hyunk Lim, Ho-Seok Yang, Man-Seok Han, Mi-Hyeun Oh
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    Publication number: 20120208080
    Abstract: An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an alkyl benzonitrile compound represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same are provided. In Chemical Formula 1, R is a substituted or unsubstituted C1 to C5 alkyl group.
    Type: Application
    Filed: September 22, 2011
    Publication date: August 16, 2012
    Inventors: Dai-In Park, Ho-Seok Yang, Man-Seok Han, Jin-Hyunk Lim, Mi-Hyeun Oh
  • ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20120045697
    Abstract: Disclosed are an electrolyte for a rechargeable lithium battery that includes a lithium salt, a non-aqueous organic solvent, and an additive including a triazine-based compound represented by the following Chemical Formula 1 and fluoroethyl carbonate, and a rechargeable lithium battery including the electrolyte. where R1, R2, and R3 are the same as described in the detailed description.
    Type: Application
    Filed: August 15, 2011
    Publication date: February 23, 2012
    Applicants: TECHNO SEMICHEM CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Na-Rae PARK, Jin-Hyunk LIM, Su-Hee HAN, Mi-Hyeun OH, Eun-Gi SHIM
  • GEL ELECTROLYTE INCLUDING ADDITIVES FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20110318645
    Abstract: A gel electrolyte for a rechargeable lithium battery includes a gel polymer including a repeating unit derived from a first monomer represented by A-L-E, a non-aqueous organic solvent, a lithium salt, and an additive. A rechargeable lithium battery includes the gel electrolyte. The additive includes a compound selected from compounds represented by compounds represented by derivatives thereof, and combinations thereof.
    Type: Application
    Filed: June 23, 2011
    Publication date: December 29, 2011
    Inventors: Su-Hee Han, Jin-Sung Kim, Jin-Hyunk Lim, Na-Rae Park, Mi-Hyeun Oh
  • LITHIUM BATTERY AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110311866
    Abstract: Embodiments of the invention are directed to lithium batteries including negative electrodes containing lithium titanate negative active materials, and methods of manufacturing the lithium batteries.
    Type: Application
    Filed: January 4, 2011
    Publication date: December 22, 2011
    Inventors: Jin-Hyunk Lim, Jin-Sung Kim, Su-Hee Han, Na-Rae Park, Mi-Hyeun Oh