Patents by Inventor Tae-Ahn Kim

Tae-Ahn 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
    Patent number: 9768471
    Abstract: A rechargeable lithium battery includes a positive electrode including a positive active material, a negative electrode and an electrolyte including a lithium salt, an organic solvent and an additive. The positive active material includes a compound represented by Chemical Formula 1, and the additive includes about 0.5 to about 2 parts by weight of lithium difluorophosphate (LiPO2F2) and about 0.5 to about 3 parts by weight of vinylene carbonate, based on 100 parts by weight of the organic solvent. LiaNixCoyMnzO2??Chemical Formula 1.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: September 19, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: In-Hyun Lee, Su-Jin Yoon, Tae-Ahn Kim, Seung-Ju Oh
  • Electrolyte for a lithium rechargeable battery, lithium rechargeable battery including the same, and method of manufacturing a lithium rechargeable battery
    Patent number: 9350048
    Abstract: An electrolyte for a lithium rechargeable battery, a lithium rechargeable battery including the same, and a method of manufacturing lithium rechargeable battery, the electrolyte including a first additive, a second additive, a lithium salt; and a non-aqueous organic solvent.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: May 24, 2016
    Assignees: SAMSUNG SDI CO., LTD., ROBERT BOSCH GmbH
    Inventors: Gun-Ho Kwak, Sung-Hoon Kim, Tae-Ahn Kim, Bo-Ra Shin
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20150288033
    Abstract: A rechargeable lithium battery includes a positive electrode including a positive active material, a negative electrode and an electrolyte including a lithium salt, an organic solvent and an additive. The positive active material includes a compound represented by Chemical Formula 1, and the additive includes about 0.5 to about 2 parts by weight of lithium difluorophosphate (LiPO2F2) and about 0.5 to about 3 parts by weight of vinylene carbonate, based on 100 parts by weight of the organic solvent. LiaNixCoyMnzO2.
    Type: Application
    Filed: February 24, 2015
    Publication date: October 8, 2015
    Inventors: In-Hyun Lee, Su-Jin Yoon, Tae-Ahn Kim, Seung-Ju 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 A LITHIUM RECHARGEABLE BATTERY, LITHIUM RECHARGEABLE BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING A LITHIUM RECHARGEABLE BATTERY
    Publication number: 20120244419
    Abstract: An electrolyte for a lithium rechargeable battery, a lithium rechargeable battery including the same, and a method of manufacturing lithium rechargeable battery, the electrolyte including a first additive, a second additive, a lithium salt; and a non-aqueous organic solvent.
    Type: Application
    Filed: March 20, 2012
    Publication date: September 27, 2012
    Inventors: Gun-Ho KWAK, Sung-Hoon Kim, Tae-Ahn Kim, Bo-Ra Shin
  • Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
    Publication number: 20100183926
    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: Application
    Filed: December 28, 2009
    Publication date: July 22, 2010
    Inventors: Tae-Ahn Kim, Mi-Hyeun Oh, Na-Rae Won, Sung-Hoon Kim