Patents Assigned to AMPCERA INC.
  • Publication number: 20260058252
    Abstract: A method for charging an energy storage system of an electric vehicle using a charging station equipped with an electrical power supply and an electromagnetic wave generator, the method comprising: connecting the charging station to an electric vehicle; determining a frequency at which a dielectric loss of the energy storage system is above a predetermined threshold; applying electromagnetic wave energy at the determined frequency from the electromagnetic wave generator of the charging station to current collectors of the energy storage system to dielectrically heat the energy storage system to a temperature suitable for charging; and applying electrical power to the current collectors of the heated energy storage system to charge the energy storage system.
    Type: Application
    Filed: August 23, 2024
    Publication date: February 26, 2026
    Applicant: Ampcera Inc.
    Inventors: James Emery Brown, Hui Du, Sumin Zhu
  • Patent number: 12469902
    Abstract: An electrochemical system includes: an anode; a cathode; an electrolyte; and at least one dielectrically heatable material.
    Type: Grant
    Filed: February 14, 2024
    Date of Patent: November 11, 2025
    Assignee: Ampcera Inc.
    Inventors: James Emery Brown, Hui Du, Chen Chen, Sumin Zhu
  • Patent number: 12451477
    Abstract: A solid-state battery, including: an anode layer; a solid-state ionic conductive membrane layer; and a composite cathode layer formed onto a positive current collector using an energy-assisted solvent-free spray process. The composite cathode includes core-shell structures, wherein the core is the active cathode material, and the shell is a mixture of ionically conductive catholyte and an electronically conductive additive.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: October 21, 2025
    Assignee: Ampcera Inc.
    Inventors: James Emery Brown, Hui Emery Du, Chen Chen, Sumin Zhu
  • Patent number: 12322782
    Abstract: A solvent-free processing method for manufacturing a solid-state battery that includes a first solid-state electrolyte layer and a first cathode layer. The method includes forming at least one of the first solid-state electrolyte layer and the first cathode layer by solvent-free energy-assisted spraying.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: June 3, 2025
    Assignee: Ampcera Inc.
    Inventors: Hui Du, James Emery Brown, Chen Chen, Sumin Zhu
  • Patent number: 12272809
    Abstract: A battery cell, including an anode, a cathode, an electrolyte, and at least one inductively heatable material embedded or suspended in the electrolyte. A battery module, battery pack, and electric vehicle include the battery cell. A method of heating an electrolyte includes passing an alternating current generating eddy currents within embedded or suspended inductively heatable materials.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: April 8, 2025
    Assignee: Ampcera Inc.
    Inventors: Hui Du, James Emery Brown, Chen Chen, Sumin Zhu
  • Patent number: 12154702
    Abstract: A method for manufacturing a freestanding solid state ionic conductive membrane includes forming a solid state ionic conductive membrane on a removable support substrate and removing the removable support substrate to provide the freestanding solid state ionic conductive membrane.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 26, 2024
    Assignee: Ampcera Inc.
    Inventors: James Emery Brown, Hui Du, Chen Chen, Sumin Zhu
  • Patent number: 12125973
    Abstract: A solid state ionic conductive electrolyte membrane may include a multi-channel porous support structure and a solid-state ionic conductive electrolyte. The multi-channel porous support structure may define a porous wall structure separating a first plurality of channels from a second plurality of channels, and a solid-state ionic conductive electrolyte may be positioned within pores of the porous wall structure of the multi-channel structure.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: October 22, 2024
    Assignee: Ampcera Inc.
    Inventors: Hui Du, Sumin Zhu, James Emery Brown
  • Publication number: 20240332524
    Abstract: A method for manufacturing a core-shell material comprises: atomizing a feedstock comprising a mixture of an active material and a solid-state ionic conductive material, or precursors thereof; and drying the atomized feedstock to form a core-shell material, the core-shell material comprising a core comprising the active material; and a coating of the solid-state ionic conductive material on the core to form a shell in intimate contact with the core.
    Type: Application
    Filed: March 27, 2024
    Publication date: October 3, 2024
    Applicant: Ampcera Inc.
    Inventors: Eongyu Yi, James Emery Brown, Hui Du, Sumin Zhu
  • Patent number: 12057561
    Abstract: An electrochemical system includes: an anode; a cathode; an electrolyte; and at least one inductively heatable material embedded or suspended in the electrolyte.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: August 6, 2024
    Assignee: Ampcera Inc.
    Inventors: Hui Du, James Emery Brown, Chen Chen, Sumin Zhu
  • Publication number: 20240154178
    Abstract: A battery, including an anode and a cathode defining an electric field therebetween and a solid-state ionic conductive membrane between the anode and the cathode. The solid-state ionic conductive membrane includes a multicrystalline microstructure defining grain boundaries between adjacent grains of the multi crystalline microstructure, wherein a majority of the grain boundary area of the multicrystalline microstructure is oriented substantially perpendicular to the direction of the electric field defined by the anode and a cathode.
    Type: Application
    Filed: June 27, 2021
    Publication date: May 9, 2024
    Applicant: Ampcera Inc.
    Inventors: Hui Du, James Emery Brown, Chen Chen, Sumin Zhu
  • Patent number: 11936028
    Abstract: An electrochemical system includes: an anode; a cathode; an electrolyte; and at least one dielectrically heatable material.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: March 19, 2024
    Assignee: Ampcera Inc.
    Inventors: James Emery Brown, Hui Du, Chen Chen, Sumin Zhu
  • Patent number: 11881553
    Abstract: A solid-state electrolyte membrane includes an interlocking layered microstructure formed by melting and spraying of ionic conductive material for use in a battery system.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: January 23, 2024
    Assignee: Ampcera Inc.
    Inventors: Hui Du, James Emery Brown, Chen Chen, Sumin Zhu
  • Patent number: 11819806
    Abstract: A method for manufacturing a solid state ionic conductive membrane includes forming a solid state ionic conductive membrane on a support scaffold and treating the support scaffold to be macro porous.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 21, 2023
    Assignee: Ampcera Inc.
    Inventors: James Emery Brown, Hui Du, Chen Chen, Sumin Zhu
  • Patent number: 11769906
    Abstract: A solid state ionic conductive electrolyte membrane may include a garnet-like structure oxide material. A solid state ionic conductive electrolyte membrane may include a multi-channel porous support structure and a solid state ionic conductive electrolyte in the multi-channel porous support structure. Systems and methods for selectively extracting alkaline metals include the solid state ionic conductive electrolyte membrane.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: September 26, 2023
    Assignee: AMPCERA INC.
    Inventors: Hui Du, Sumin Zhu, James Emery Brown
  • Patent number: 11600853
    Abstract: A container assembly includes a container defining a sealed chamber, a solid state electrolyte disposed in the chamber, and a hydrophobic substance protecting the solid state electrolyte. A method for preparing a solid state electrolyte includes positioning a solid state electrolyte in a chamber of a container, protecting the solid state electrolyte using a hydrophobic substance, and sealing the chamber. A method for extracting a solid state electrolyte includes positioning the container assembly of in a dry atmosphere, unsealing the chamber, and removing the solid state electrolyte from the chamber to the dry atmosphere.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: March 7, 2023
    Assignee: AMPCERA INC.
    Inventors: James Emery Brown, Hui Du, Sumin Zhu
  • Patent number: 11177498
    Abstract: A redox flow battery includes a positive terminal, a negative terminal, and a solid state ionic conductive membrane on a macro porous support scaffold between the positive terminal and the negative terminal.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 16, 2021
    Assignee: AMPCERA INC.
    Inventors: James Emery Brown, Hui Du, Chen Chen, Sumin Zhu