Patents by Inventor Jeong Woo Oh

Jeong Woo 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).

  • Non-Aqueous Electrolyte and Lithium Secondary Battery Including the Same
    Publication number: 20220231339
    Abstract: A non-aqueous electrolyte and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte includes an organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Formula I and a compound represented by Formula II wherein, in Formula I, R1 is an alkylene group having 1 to 4 carbon atoms, and wherein, in Formula II, R2, R3, and R4 are each independently a fluorine atom or a fluorine-substituted alkyl group having 1 to 10 carbon atoms.
    Type: Application
    Filed: August 25, 2020
    Publication date: July 21, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Hyung Tae Kim, Chul Haeng Lee
  • Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Including The Same
    Publication number: 20220223911
    Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, a compound represented by Formula 1 as a first additive, and lithium difluorophosphate as a second additive, wherein a weight ratio of the first additive to the second additive is in a range of 1:2 to 1:10.
    Type: Application
    Filed: August 21, 2020
    Publication date: July 14, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Yu Ha An, Chul Haeng Lee, Jeong Woo Oh
  • Electrolyte For Lithium Secondary Battery And Lithium Secondary Battery Including The Same
    Publication number: 20220223910
    Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt, an organic solvent, and a compound represented by Formula 1. In some embodiments, a lithium secondary battery includes a positive electrode, a negative electrode, and the electrolyte.
    Type: Application
    Filed: June 16, 2020
    Publication date: July 14, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20220216516
    Abstract: An electrolyte and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1. In some embodiments, a lithium secondary battery includes a positive electrode, a negative electrode, and the electrolyte.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 7, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Jeong Woo Oh
  • Lithium Secondary Battery Having Improved Cycle Characteristics
    Publication number: 20220209302
    Abstract: A lithium secondary battery is disclosed herein. In some embodiments, a lithium secondary battery which includes a positive electrode, a negative electrode including a carbon-based material and a silicon-based compound, a non-aqueous electrolyte solution containing LiPF6, LiN(FSO2)2, and a non-aqueous organic solvent, and a separator, wherein the non-aqueous organic solvent includes a fluorine-based cyclic carbonate organic solvent and a fluorine-based linear carbonate organic solvent.
    Type: Application
    Filed: July 31, 2020
    Publication date: June 30, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Jeong Woo Oh
  • Non-Aqueous Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20220181691
    Abstract: A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte for a lithium secondary battery includes an organic solvent, a lithium salt, and a compound represented by Formula 1. In some embodiments, the compound represented by Formula 1 is present in an amount of 0.1 part by weight to 3 parts by weight based on 100 parts by weight of the non-aqueous electrolyte.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 9, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Hyung Tae Kim
  • Polymer electrolyte composition including perfluorinated ionomer and inorganic additive and lithium secondary battery including the same
    Patent number: 11335947
    Abstract: The present invention relates to a composition for a polymer electrolyte and a lithium secondary battery using the same, and particularly, to a composition for a polymer electrolyte which includes a single ion-conductive polymer including a unit represented by Chemical Formula 1; and at least one additive selected from the group consisting of a ceramic electrolyte and inorganic particles, wherein a weight ratio of the single ion-conductive polymer:the additive(s) is 1:0.1 to 1:9, and a lithium secondary battery which exhibits an improvement in cell performance by including the same.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 17, 2022
    Inventors: Kyoung Ho Ahn, Sol Ji Park, Jeong Woo Oh, Jung Hoon Lee, Chul Haeng Lee
  • Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20220140391
    Abstract: The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. In some embodiments, the electrolyte includes a lithium salt, a first additive, a second additive, and an organic solvent, wherein the first additive includes a compound represented by Formula 1 and the second additive includes a compound represented by Formula 2.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 5, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Yu Ha An, Chul Haeng Lee, Jeong Woo Oh
  • Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including The Same
    Publication number: 20220115701
    Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1 and a compound represented by Formula 2.
    Type: Application
    Filed: January 23, 2020
    Publication date: April 14, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yu Ha An, Hyun Seung Kim, Jeong Woo Oh, Chul Haeng Lee
  • NON-AQUEOUS ELECTROLYTE SOLUTION ADDITIVE, AND NON-AQUEOUS ELECTROLTYE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY WHICH INCLUDE THE SAME
    Publication number: 20220089548
    Abstract: A non-aqueous electrolyte solution additive, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution are disclosed herein. In some embodiments, the non-aqueous electrolyte solution additive includes a Lewis base compound capable of rapidly reacting with an acid. In some embodiments, the lithium secondary battery including the non-aqueous electrolyte solution has improved high-temperature storage durability.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 24, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20220077498
    Abstract: An electrolyte for a lithium secondary battery and a lithium second battery including the same are disclosed herein. In some embodiments, an electrolyte includes an additive containing a compound represented by Formula 1, an oligomer containing a unit represented by Formula 2 and having an acrylate group at an end thereof, a lithium salt, and an organic solvent.
    Type: Application
    Filed: January 17, 2020
    Publication date: March 10, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Hyun Seung Kim, Hyung Tae Kim
  • Non-Aqueous Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20220021029
    Abstract: A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte for a lithium secondary battery includes an organic solvent, a lithium salt, and a compound represented by Formula 1. In some embodiments, the compound represented by Formula 1 is present in an amount of 0.5 part by weight to 5 parts by weight based on 100 parts by weight of the non-aqueous electrolyte.
    Type: Application
    Filed: April 24, 2020
    Publication date: January 20, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jeong Woo Oh, Chul Haeng Lee, Yoo Sun Kang
  • Electrolyte For Lithium Secondary Battery And Lithium Secondary Battery Including The Same
    Publication number: 20220021030
    Abstract: An electrolyte for a lithium secondary battery, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte for a lithium secondary battery includes a lithium salt having a molar concentration of 1.5 M to 2.0 M, an oligomer containing a unit represented by Formula 1 and having an acrylate group at an end thereof, a first additive represented by Formula 2, and an organic solvent.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 20, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gwang Yeon Kim, Jeong Woo Oh, Chul Haeng Lee, Hyung Tae Kim
  • Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Including The Same
    Publication number: 20220006121
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution includes a lithium salt, an organic solvent, a first additive, and a second additive, wherein the first additive is lithium 4,5-dicyano-2-(trifluoromethyl)imidazolide, and the second additive is tetravinylsilane.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 6, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Electrolyte Solution For Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20210328266
    Abstract: An electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte solution includes a lithium salt, an additive including a compound represented by Formula 1, and an organic solvent. In some embodiments, the lithium secondary battery includes a positive electrode, a negative electrode which includes a negative electrode active material containing SiOx (0<x?2), a separator, and the electrolyte solution.
    Type: Application
    Filed: December 17, 2019
    Publication date: October 21, 2021
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • Non-aqueous electrolyte solution additive, and non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery which include the same
    Patent number: 11081729
    Abstract: The present invention relates to a non-aqueous electrolyte solution additive, and a non-aqueous electrolyte solution for a lithium-ion battery and a lithium-ion battery which include the same, and particularly, to a non-aqueous electrolyte solution, which may remove an acid generated by the decomposition of a lithium salt while being able to suppress the dissolution of metal impurities causing failure in the battery by using and including a Lewis base compound containing a propargyl group as a non-aqueous electrolyte solution additive for a lithium-ion battery, and a lithium secondary battery in which transition metal dissolution in a positive electrode and a low-voltage phenomenon are improved.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 3, 2021
    Inventors: Hyun Seung Kim, Sung Hoon Yu, Jeong Woo Oh, Chul Haeng Lee
  • COMPOSITION FOR GEL POLYMER ELECTROLYTE, GEL POLYMER ELECTROLYTE PREPARED THEREFROM, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
    Publication number: 20210194052
    Abstract: The present invention provides a composition for a gel polymer electrolyte, a gel polymer electrolyte prepared using the same, and a lithium secondary battery, the composition including: an oligomer represented by Formula 1, an additive, a polymerization initiator, a lithium salt, and a non-aqueous solvent. The additive includes at least one compound selected from the group consisting of an imide-based compound, a compound having a Si—N-based bond, a nitrile-based compound, a phosphate-based compound, and a borate-based compound.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 24, 2021
    Inventors: Jeong Woo Oh, Kyoung Ho Ahn, Chul Haeng Lee, Jung Hoon Lee
  • Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
    Publication number: 20210184257
    Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery, includes a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1.
    Type: Application
    Filed: September 11, 2019
    Publication date: June 17, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyun Seung Kim, Chul Haeng Lee, Yu Ha An, Jeong Woo Oh
  • POUCH EXTERIOR MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME
    Publication number: 20210184299
    Abstract: The present invention relates to a pouch exterior material which is for a lithium secondary battery and includes an inner layer, an outer resin layer, and a metal layer located between the inner layer and the outer resin layer, wherein the inner layer contains an ethylenically unsaturated group, and a lithium secondary battery including the pouch exterior material.
    Type: Application
    Filed: March 8, 2019
    Publication date: June 17, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Won Kyung SHIN, Kyoung Ho AHN, Chul Haeng LEE, Jeong Woo OH
  • Non-Aqueous Electrolyte Solution and Lithium Secondary Battery Including the Same
    Publication number: 20210151799
    Abstract: A non-aqueous electrolyte solution and a lithium secondary battery including the same are disclosed herein. In some embodiments, the non-aqueous electrolyte solution includes an ionic solution containing at least one anion selected from the group consisting of a bis(fluorosulfonyl)imide anion and a bis(trifluoromethane)sulfonylimide anion, a cation, a non-aqueous solvent, a lithium salt, a phosphite-based additive, and a surfactant including an oligomer represented by Formula 1.
    Type: Application
    Filed: March 6, 2019
    Publication date: May 20, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Won Kyung Shin, Kyoung Ho Ahn, Chul Haeng Lee, Jeong Woo Oh