Patents by Inventor Dong Hee Anna Choi

Dong Hee Anna Choi 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).

  • Publication number: 20240063429
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: April 12, 2023
    Publication date: February 22, 2024
    Inventors: Oleh KARPENKO, Niall Donnelly, Timothy Holme, Will Hudson, Sriram Iyer, Dong Hee Anna Choi, Mohit Singh, Adrian Winoto
  • Patent number: 11658338
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: May 23, 2023
    Assignee: QuantumScape Battery, Inc.
    Inventors: Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Dong Hee Anna Choi, Mohit Singh, Adrian Winoto
  • Patent number: 11600857
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: March 7, 2023
    Assignee: QuantumScape Battery, Inc.
    Inventors: Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Dong Hee Anna Choi, Mohit Singh, Adrian Winoto
  • Publication number: 20220344704
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 27, 2022
    Inventors: Oleh KARPENKO, Niall Donnelly, Tim HOLME, Will HUDSON, Sriram IYER, Dong Hee Anna CHOI, Mohit SINGH, Adrian WINOTO
  • Publication number: 20220223905
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: September 27, 2021
    Publication date: July 14, 2022
    Inventors: Oleh KARPENKO, Niall Donnelly, Tim HOLME, Will HUDSON, Sriram IYER, Dong Hee Anna CHOI, Mohit SINGH, Adrian WINOTO
  • Patent number: 11171357
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 9, 2021
    Assignee: QuantumScape Battery, Inc.
    Inventors: Adrian Winoto, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Dong Hee Anna Choi
  • Patent number: 11171358
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: November 9, 2021
    Assignee: QuantumScape Battery, Inc.
    Inventors: Tim Holme, Niall Donnelly, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto, Dong Hee Anna Choi
  • Publication number: 20210344040
    Abstract: Set forth herein are processes and materials for sintering dense thin green films comprising lithium-stuffed garnet powder and a binder to obtain sintered lithium-stuffed garnet thin films. Some of the processes, herein, include providing a first setter and a second setter, wherein the first setter and second setter each include at least 5 atomic % lithium (Li) per setter; placing the green film on the first setter; placing the second setter within 2 cm of the green film but not in contact with the green film; and heating the green film to at least 900 C.
    Type: Application
    Filed: October 16, 2019
    Publication date: November 4, 2021
    Inventors: Niall DONNELLY, Sriam IYER, Jagdeep SINGH, Gengfu XU, Jordan FRIEDLAND, Hutha SARMA, Nima SHAH, Dong Hee Anna CHOI
  • Patent number: 11139503
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: October 5, 2021
    Assignee: QuantumScape Battery, Inc.
    Inventors: Oleh Karpenko, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Dong Hee Anna Choi, Mohit Singh, Adrian Winoto
  • Publication number: 20210005926
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: September 9, 2020
    Publication date: January 7, 2021
    Inventors: TIM HOLME, Niall Donnelly, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto, Dong Hee Anna Choi
  • Patent number: 10862161
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: December 8, 2020
    Assignee: QuantumScape Corporation
    Inventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto
  • Patent number: 10840544
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 17, 2020
    Assignee: QuantumScape Corporation
    Inventors: Tim Holme, Niall Donnelly, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto, Dong Hee Anna Choi
  • Patent number: 10651502
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: May 12, 2020
    Assignee: QuantumScape Corporation
    Inventors: Tim Holme, Niall Donnelly, Sriram Iyer, Adrian Winoto, Mohit Singh, Will Hudson, Dong Hee Anna Choi, Oleh Karpenko
  • Publication number: 20190372158
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: June 20, 2019
    Publication date: December 5, 2019
    Inventors: Dong Hee Anna CHOI, Niall Donnelly, Tim HOLME, Will HUDSON, Sriram IYER, Oleh KARPENKO, Mohit SINGH, Adrian WINOTO
  • Patent number: 10439251
    Abstract: Disclosed herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also disclosed herein are lithium-stuffed garnet thin films having fine grains therein. Also disclosed herein are methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also disclosed herein are methods for preparing dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also disclosed herein are sintering techniques, e.g.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 8, 2019
    Assignee: QuantumScape Corporation
    Inventors: Tim Holme, Niall Donnelly, Sriram Iyer, Adrian Winoto, Mohit Singh, Will Hudson, Dong Hee Anna Choi, Oleh Karpenko, Kian Kerman
  • Patent number: 10431850
    Abstract: Disclosed herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also disclosed herein are lithium-stuffed garnet thin films having fine grains therein. Also disclosed herein are methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also disclosed herein are methods for preparing dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device. Also disclosed herein are sintering techniques, e.g.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: October 1, 2019
    Assignee: QuantumScape Corporation
    Inventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Kian Kerman, Mohit Singh, Adrian Winoto
  • Patent number: 10403932
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: September 3, 2019
    Assignee: QuantumScape Corporation
    Inventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto
  • Patent number: 10347936
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 9, 2019
    Assignee: QuantumScape Corporation
    Inventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto
  • Publication number: 20190207251
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Also set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Also disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Also set forth herein are methods for preparing novel structures, including dense thin (<50 um) free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 4, 2019
    Inventors: Dong Hee Anna CHOI, Niall DONNELLY, Tim HOLME, Will HUDSON, Sriram IYER, Oleh KARPENKO, Mohit SINGH, Adrian WINOTO
  • Patent number: 10305141
    Abstract: Set forth herein are garnet material compositions, e.g., lithium-stuffed garnets and lithium-stuffed garnets doped with alumina, which are suitable for use as electrolytes and catholytes in solid state battery applications. Set forth herein are lithium-stuffed garnet thin films having fine grains therein. Disclosed herein are novel and inventive methods of making and using lithium-stuffed garnets as catholytes, electrolytes and/or anolytes for all solid state lithium rechargeable batteries. Disclosed herein are novel electrochemical devices which incorporate these garnet catholytes, electrolytes and/or anolytes. Set forth herein are methods for preparing novel structures, including dense thin free standing membranes of an ionically conducting material for use as a catholyte, electrolyte, and, or, anolyte, in an electrochemical device, a battery component (positive or negative electrode materials), or a complete solid state electrochemical energy storage device.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: May 28, 2019
    Assignee: QuantumScape Corporation
    Inventors: Dong Hee Anna Choi, Niall Donnelly, Tim Holme, Will Hudson, Sriram Iyer, Oleh Karpenko, Mohit Singh, Adrian Winoto