Patents by Inventor Ae-Ran Kim

Ae-Ran 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).

  • Electrolyte and secondary battery including the electrolyte
    Patent number: 10468723
    Abstract: An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Bong Choi, Ae Ran Kim, Mi Young Son, Woo Cheol Shin, Myung Heui Woo, Seung Tae Lee, Ha rim Lee
  • Rechargeable lithium battery
    Patent number: 9755275
    Abstract: A rechargeable lithium battery includes a negative electrode including a negative active material including a Si-based material, a positive electrode, and an electrolyte including a lithium salt, an organic solvent, and an additive including lithium triflate and fluoroethylene carbonate. Embodiments of the rechargeable lithium battery have excellent irreversible characteristics and cycle-life characteristics.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 5, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Tae-Hyun Bae, Woo-Cheol Shin, Myung-Hoon Kim, Ae-Ran Kim
  • ELECTROLYTE AND SECONDARY BATTERY INCLUDING THE ELECTROLYTE
    Publication number: 20170222269
    Abstract: An electrolyte includes an organic solvent and a cyclic ester compound that is substituted with a sulfonate group.
    Type: Application
    Filed: January 19, 2017
    Publication date: August 3, 2017
    Inventors: Hyun Bong CHOI, Ae Ran KIM, Mi Young SON, Woo Cheol SHIN, Myung Heui WOO, Seung Tae LEE, Ha rim LEE
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20160079626
    Abstract: A rechargeable lithium battery includes a negative electrode including a negative active material including a Si-based material, a positive electrode, and an electrolyte including a lithium salt, an organic solvent, and an additive including lithium triflate and fluoroethylene carbonate. Embodiments of the rechargeable lithium battery have excellent irreversible characteristics and cycle-life characteristics.
    Type: Application
    Filed: June 2, 2015
    Publication date: March 17, 2016
    Inventors: Tae-Hyun Bae, Woo-Cheol Shin, Myung-Hoon Kim, Ae-Ran Kim
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20150125735
    Abstract: A rechargeable lithium battery includes: a negative electrode including a negative active material; a positive electrode; a separator interposed between the negative electrode and the positive electrode; and an electrolyte solution including an additive, wherein the negative active material includes a Si-based material, the Si-based material is included in an amount from about 1 to about 70 wt % based on total amount of the negative active material, and the additive includes fluoroethylene carbonate and a compound represented by the following Chemical Formula 1. In the above Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C2 to C5 alkyl group.
    Type: Application
    Filed: September 23, 2014
    Publication date: May 7, 2015
    Inventors: Tae-Hyun Bae, Woo-Cheol Shin, Sang-Hyun Eom, Myung-Hoon Kim, Seung-Tae Lee, Ae-Ran Kim, Dong-Myung Choi
  • RECHARGEABLE LITHIUM BATTERY
    Publication number: 20150118575
    Abstract: A rechargeable lithium battery including a negative electrode including a negative active material, a positive electrode, and an electrolyte solution including an additive, wherein the negative active material includes a Si-based material included in an amount of about 1 to about 70 wt % based on the total amount of the negative electrode, and the additive includes fluoroethylene carbonate and a compound represented by Chemical Formula 1. In the above Chemical Formula 1, R1 to R3 are each independently a substituted or unsubstituted C2 to C5 alkylene group.
    Type: Application
    Filed: September 4, 2014
    Publication date: April 30, 2015
    Inventors: Tae-Hyun Bae, Woo-Cheol Shin, Sang-Hyun Eom, Myung-Hoon Kim, Seung-Tae Lee, Ae-Ran Kim, Dong-Myung Choi, Ha-Rim Lee