Patents by Inventor Dmitri A. Brevnov

Dmitri A. Brevnov 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).

  • Patent number: 11876231
    Abstract: Lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same are provided. In one implementation, an anode electrode is provided. The anode electrode comprises a first diffusion barrier layer formed on a copper foil. The first diffusion barrier layer comprises titanium (Ti), molybdenum (Mo), tungsten (W), zirconium (Zr), hafnium (H), niobium (Nb), tantalum (Ta), or combinations thereof. The anode electrode further comprises a wetting layer formed on the first diffusion barrier layer. The wetting layer is selected from silicon (Si), tin (Sn), aluminum (Al), germanium (Ge), antimony (Sb), lead (Pb), bismuth (Bi), gallium (Ga), indium (In), zinc (Zn), cadmium (Cd), magnesium (Mg), oxides thereof, nitrides thereof, or combinations thereof. The anode electrode further comprises a lithium metal layer formed on the wetting layer.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: January 16, 2024
    Assignee: Applied Materials, Inc.
    Inventor: Dmitri A. Brevnov
  • Publication number: 20230072774
    Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one or more embodiments, an integrated processing system operable to form a pre-lithiated electrode includes a reel-to-reel system operable to transport a continuous sheet of material through processing chambers and a pre-lithiation module defining a processing region and is adapted to process the continuous sheet of material. The pre-lithiation module contains a lithium metal target operable to contact and supplying lithium to the continuous sheet of material, a press coupled with the lithium metal target and operable to move the lithium metal target into contact with the continuous sheet of material, one or more ultrasonic transducers positioned in the processing region and operable to apply ultrasonic energy to the lithium metal target, and one or more heat sources positioned in the processing region and operable to heat the lithium metal target.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Inventor: Dmitri A. BREVNOV
  • Patent number: 11532808
    Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one implementation, a method of fabricating a pre-lithiated electrode is provided. The method comprises disposing a lithium metal target comprising a layer of lithium metal adjacent to a surface of a prefabricated electrode. The method further comprises heating at least one of the lithium metal target and the prefabricated electrode to a temperature less than or equal to 180 degrees Celsius. The method further comprises compressing the lithium metal target and the prefabricated electrode together while applying ultrasound to the lithium metal target to transfer a quantity of lithium from the lithium metal target to the prefabricated electrode.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: December 20, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventor: Dmitri A. Brevnov
  • Publication number: 20210218032
    Abstract: Lithium-containing anodes, high performance electrochemical devices, such as secondary batteries, including the aforementioned lithium-containing electrodes, and methods for fabricating the same are provided. In one implementation, an anode electrode is provided. The anode electrode comprises a first diffusion barrier layer formed on a copper foil. The first diffusion barrier layer comprises titanium (Ti), molybdenum (Mo), tungsten (W), zirconium (Zr), hafnium (H), niobium (Nb), tantalum (Ta), or combinations thereof. The anode electrode further comprises a wetting layer formed on the first diffusion barrier layer. The wetting layer is selected from silicon (Si), tin (Sn), aluminum (Al), germanium (Ge), antimony (Sb), lead (Pb), bismuth (Bi), gallium (Ga), indium (In), zinc (Zn), cadmium (Cd), magnesium (Mg), oxides thereof, nitrides thereof, or combinations thereof. The anode electrode further comprises a lithium metal layer formed on the wetting layer.
    Type: Application
    Filed: June 18, 2019
    Publication date: July 15, 2021
    Inventor: Dmitri A. BREVNOV
  • Publication number: 20190393480
    Abstract: Lithium ion batteries, methods of making the same, and equipment for making the same are provided. In one implementation, a method of fabricating a pre-lithiated electrode is provided. The method comprises disposing a lithium metal target comprising a layer of lithium metal adjacent to a surface of a prefabricated electrode. The method further comprises heating at least one of the lithium metal target and the prefabricated electrode to a temperature less than or equal to 180 degrees Celsius. The method further comprises compressing the lithium metal target and the prefabricated electrode together while applying ultrasound to the lithium metal target to transfer a quantity of lithium from the lithium metal target to the prefabricated electrode.
    Type: Application
    Filed: June 13, 2019
    Publication date: December 26, 2019
    Inventor: Dmitri A. BREVNOV
  • Patent number: 9761882
    Abstract: High capacity energy storage devices and energy storage device components, and more specifically, to a system and method for fabricating such high capacity energy storage devices and storage device components using processes that form three-dimensional porous structures are provided. In one embodiment, an anode structure for use in a high capacity energy storage device, comprising a conductive collector substrate, a three-dimensional copper-tin-iron porous conductive matrix formed on one or more surfaces of the conductive collector substrate, comprising a plurality of meso-porous structures formed over the conductive current collector, and an anodically active material deposited over the three-dimensional copper-tin-iron porous conductive matrix is provided.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: September 12, 2017
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Eric H. Liu, Robert Z. Bachrach, Connie P. Wang
  • Publication number: 20170237074
    Abstract: High capacity energy storage devices and energy storage device components, and more specifically, to a system and method for fabricating such high capacity energy storage devices and storage device components using processes that form three-dimensional porous structures are provided. In one embodiment, an anode structure for use in a high capacity energy storage device, comprising a conductive collector substrate, a three-dimensional copper-tin-iron porous conductive matrix formed on one or more surfaces of the conductive collector substrate, comprising a plurality of meso-porous structures formed over the conductive current collector, and an anodically active material deposited over the three-dimensional copper-tin-iron porous conductive matrix is provided.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 17, 2017
    Inventors: Sergey D. LOPATIN, Dmitri A. BREVNOV, Eric H. LIU, Robert Z. BACHRACH, Connie P. WANG
  • Patent number: 9567683
    Abstract: A method and apparatus for forming a reliable and cost efficient battery or electrochemical capacitor electrode structure that has an improved lifetime, lower production costs, and improved process performance are provided. In one embodiment a method for forming a three dimensional porous electrode for a battery or an electrochemical cell is provided. The method comprises depositing a columnar metal layer over a substrate at a first current density by a diffusion limited deposition process and depositing three dimensional metal porous dendritic structures over the columnar metal layer at a second current density greater than the first current density.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: February 14, 2017
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Robert Z. Bachrach
  • Patent number: 9240585
    Abstract: High capacity energy storage devices and energy storage device components, and more specifically, to a system and method for fabricating such high capacity energy storage devices and storage device components using processes that form three-dimensional porous structures are provided. In one embodiment, an anode structure for use in a high capacity energy storage device, comprising a conductive collector substrate, a three-dimensional copper-tin-iron porous conductive matrix formed on one or more surfaces of the conductive collector substrate, comprising a plurality of meso-porous structures formed over the conductive current collector, and an anodically active material deposited over the three-dimensional copper-tin-iron porous conductive matrix is provided.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: January 19, 2016
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Eric H. Liu, Robert Z. Bachrach, Connie P. Wang
  • Patent number: 8669011
    Abstract: Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: March 11, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Connie P. Wang, Robert Z. Bachrach
  • Publication number: 20140011088
    Abstract: High capacity energy storage devices and energy storage device components, and more specifically, to a system and method for fabricating such high capacity energy storage devices and storage device components using processes that form three-dimensional porous structures are provided. In one embodiment, an anode structure for use in a high capacity energy storage device, comprising a conductive collector substrate, a three-dimensional copper-tin-iron porous conductive matrix formed on one or more surfaces of the conductive collector substrate, comprising a plurality of meso-porous structures formed over the conductive current collector, and an anodically active material deposited over the three-dimensional copper-tin-iron porous conductive matrix is provided.
    Type: Application
    Filed: February 28, 2012
    Publication date: January 9, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Eric H. Liu, Robert Z. Bachrach, Connie P. Wang
  • Publication number: 20130260255
    Abstract: Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 3, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Sergey D. LOPATIN, Dmitri A. BREVNOV, Connie P. WANG, Robert Z. BACHRACH
  • Patent number: 8546020
    Abstract: Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: October 1, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Connie P. Wang, Robert Z. Bachrach
  • Patent number: 8486562
    Abstract: A method for forming a battery from via thin-film deposition processes is disclosed. A mesoporous carbon material is deposited onto a surface of a conductive substrate that has high surface area, conductive micro-structures formed thereon. A porous, dielectric separator layer is then deposited on the layer of mesoporous carbon material to form a half cell of an energy storage device. The mesoporous carbon material is made up of CVD-deposited carbon fullerene “onions” and carbon nano-tubes, and has a high porosity capable of retaining lithium ions in concentrations useful for storing significant quantities of electrical energy. Embodiments of the invention further provide for the formation of an electrode having a high surface area conductive region that is useful in a battery structure.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: July 16, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Robert Z. Bachrach
  • Publication number: 20120237823
    Abstract: A method and apparatus for forming a reliable and cost efficient battery or electrochemical capacitor electrode structure that has an improved lifetime, lower production costs, and improved process performance are provided. In one embodiment a method for forming a three dimensional porous electrode for a battery or an electrochemical cell is provided. The method comprises depositing a columnar metal layer over a substrate at a first current density by a diffusion limited deposition process and depositing three dimensional metal porous dendritic structures over the columnar metal layer at a second current density greater than the first current density.
    Type: Application
    Filed: June 1, 2012
    Publication date: September 20, 2012
    Applicant: Applied Materials, Inc.
    Inventors: SERGEY D. LOPATIN, Dmitri A. BREVNOV, Robert Z. BACHRACH
  • Patent number: 8206569
    Abstract: A method and apparatus for forming a reliable and cost efficient battery or electrochemical capacitor electrode structure that has an improved lifetime, lower production costs, and improved process performance are provided. In one embodiment a method for forming a three dimensional porous electrode for a battery or an electrochemical cell is provided. The method comprises depositing a columnar metal layer over a substrate at a first current density by a diffusion limited deposition process and depositing three dimensional metal porous dendritic structures over the columnar metal layer at a second current density greater than the first current density.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: June 26, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Robert Z. Bachrach
  • Patent number: 8192605
    Abstract: Embodiments described herein generally relate to methods and apparatus for forming an electrode structure used in an energy storage device. More particularly, embodiments described herein relate to methods and apparatus for characterizing nanomaterials used in forming high capacity electrode structures for energy storage devices. In one embodiment a process for forming an electrode structure for an energy storage device is provided. The process comprises depositing a columnar metal structure over a substrate at a first current density by a diffusion limited deposition process, measuring a capacitance of the columnar metal structure to determine a surface area of the columnar metal structure, and depositing three dimensional porous metal structures over the columnar metal structure at a second current density greater than the first current density.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: June 5, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Eric Casavant, Robert Z. Bachrach
  • Publication number: 20110097628
    Abstract: Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures.
    Type: Application
    Filed: October 21, 2010
    Publication date: April 28, 2011
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Connie P. Wang, Robert Z. Bachrach
  • Publication number: 20100330425
    Abstract: A system and method for fabricating lithium-ion batteries using thin-film deposition processes that form three-dimensional structures is provided. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a conductive substrate, a plurality of conductive microstructures formed on the substrate, a passivation film formed over the conductive microstructures, and an insulative separator layer formed over the conductive microstructures, wherein the conductive microstructures comprise columnar projections.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 30, 2010
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Ruben Babayants, Robert Z. Bachrach
  • Publication number: 20100216026
    Abstract: A method for forming a battery from via thin-film deposition processes is disclosed. A mesoporous carbon material is deposited onto a surface of a conductive substrate that has high surface area, conductive micro-structures formed thereon. A porous, dielectric separator layer is then deposited on the layer of mesoporous carbon material to form a half cell of an energy storage device. The mesoporous carbon material is made up of CVD-deposited carbon fullerene “onions” and carbon nano-tubes, and has a high porosity capable of retaining lithium ions in concentrations useful for storing significant quantities of electrical energy. Embodiments of the invention further provide for the formation of an electrode having a high surface area conductive region that is useful in a battery structure.
    Type: Application
    Filed: June 30, 2009
    Publication date: August 26, 2010
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Sergey D. Lopatin, Dmitri A. Brevnov, Robert Z. Bachrach