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.
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
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
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
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
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.
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
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
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
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
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
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.
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.
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