Patents Assigned to SILA NANOTECHNOLOGIES INC.
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Patent number: 11942624Abstract: A battery electrode composition is provided comprising composite particles, with each composite particle comprising active material and a scaffolding matrix. The active material is provided to store and release ions during battery operation. For certain active materials of interest, the storing and releasing of the ions causes a substantial change in volume of the active material. The scaffolding matrix is provided as a porous, electrically-conductive scaffolding matrix within which the active material is disposed. In this way, the scaffolding matrix structurally supports the active material, electrically interconnects the active material, and accommodates the changes in volume of the active material.Type: GrantFiled: June 21, 2021Date of Patent: March 26, 2024Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Bogdan Zdyrko, Addison Shelton, Eugene Berdichevsky, Igor Luzinov, Alexander Jacobs, Eerik Hantsoo, George Gomes
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Patent number: 11931810Abstract: Aspects relate to method of zinc-comprising nanowire fabrication, the method comprising forming a starting material comprising zinc metal or zinc metal alloy and at least one reactive metal, and exposing the starting material to one or more alcohols to obtain a reaction product comprising zinc-comprising nanowires, wherein the at least one reactive metal is more reactive than zinc to the one or more alcohols.Type: GrantFiled: March 23, 2022Date of Patent: March 19, 2024Assignees: Sila Nanotechnologies, Inc., Georgia Tech Research CorporationInventors: Gleb Yushin, Wenqiang Hu, Samik Jhulki, Wenbin Fu, Kostiantyn Turcheniuk
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Patent number: 11855280Abstract: Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh/g as a cathode active material or (ii) a specific capacity of at least 400 mAh/g as an anode active material. The active material may be disposed in the pores of the scaffolding matrix material. According to various designs, each composite particle may exhibit at least one material property that changes from the center to the perimeter of the scaffolding matrix material.Type: GrantFiled: January 13, 2023Date of Patent: December 26, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Eugene Michael Berdichevsky, Alexander Thomas Jacobs, Alper Nese, Damian Harris, Bogdan Zdyrko
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Patent number: 11848438Abstract: In an aspect, a Li-ion cell may comprise a densified electrode exhibiting an areal capacity loading of more than about 4 mAh/cm2. For example, the densified electrode may a first electrode part arranged on a current collector and a second electrode part on top of the first electrode part, the second electrode part of the at least one densified electrode having a higher porosity than the first electrode part of the at least one densified electrode. In some designs, the densified electrode may be fabricated by densifying electrode layers via a pressure roller while maintaining a contacting part of the pressure roller at a temperature that is less than a temperature of the second electrode part. In some designs, the applied pressure is a time-varying (e.g., frequency modulated) pressure. In some designs, a drying time for a slurry to produce the densified electrode may range from around 1-120 seconds.Type: GrantFiled: January 24, 2023Date of Patent: December 19, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Gene Berdichevsky
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Patent number: 11843114Abstract: A battery electrode composition is provided comprising core-shell composites. Each of the composites may comprise a core and a multi-functional shell.Type: GrantFiled: August 17, 2022Date of Patent: December 12, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Bogdan Zdyrko, Igor Luzinov, Vojtech Svoboda, Alexander Jacobs, Eugene Berdichevsky, Hyea Kim
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Patent number: 11837712Abstract: In an embodiment, a Li-ion battery cell comprises an anode electrode with an electrode coating that (1) comprises Si-comprising active material particles, (2) exhibits an areal capacity loading in the range of about 3 mAh/cm2 to about 12 mAh/cm2, (3) exhibits a volumetric capacity in the range from about 600 mAh/cc to about 1800 mAh/cc in a charged state of the cell, (4) comprises conductive additive material particles, and (5) comprises a polymer binder that is configured to bind the Si-comprising active material particles and the conductive additive material particles together to stabilize the anode electrode against volume expansion during the one or more charge-discharge cycles of the battery cell while maintaining the electrical connection between the metal current collector and the Si-comprising active material particles.Type: GrantFiled: January 13, 2023Date of Patent: December 5, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Laura Gerber, Adam Kajdos, Justin Yen, Justin Doane, Jens Steiger
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Patent number: 11837697Abstract: In an aspect, a solid-state Li-ion battery (SSLB) cell, may comprise an anode electrode comprising an anode electrode surface and an anode active material, a cathode electrode comprising a cathode electrode surface and an cathode active material, and an inorganic, melt-infiltrated, solid state electrolyte (SSE) ionically coupling the anode electrode and the cathode electrode, wherein at least a portion of at least one of the electrode surfaces comprises an interphase layer separating the respective electrode active material from direct contact with the SSE, and wherein the interphase layer comprises two or more metals from the list of: Zr, Al, K, Cs, Fr, Be, Mg, Ca, Sr, Ba, Sc, Y, La or non-La lanthanoids, Ta, Zr, Hf, and Nb.Type: GrantFiled: November 9, 2022Date of Patent: December 5, 2023Assignees: GEORGIA TECH RESEARCH CORPORATION, SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Yiran Xiao, Kostiantyn Turcheniuk
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Patent number: 11791455Abstract: In an aspect, a lithium-ion battery anode composition comprises a porous composite particle comprising carbon (C) and an active material comprising silicon (Si), wherein the carbon is characterized by a domain size (r), as estimated from an atomic pair distribution function G(r) obtained from a synchrotron x-ray diffraction measurement of the porous composite particle, ranging from around 10 ? (1 nm) to around 60 ? (6 nm). In a further aspect, a carbon material for use in making an anode composition for use in a Li-ion battery is characterized by a domain size (r), as estimated from an atomic pair distribution function G(r) obtained from a synchrotron x-ray diffraction measurement of the carbon material, ranging from around 10 ? (1 nm) to around 60 ? (6 nm).Type: GrantFiled: January 12, 2023Date of Patent: October 17, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Matthew Clark, Adam Kajdos, Timothy Milakovich, Saujan Sivaram, Valentin Lulevich
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Patent number: 11735716Abstract: A battery electrode composition is provided that comprises composite particles. Each composite particle may comprise, for example, active fluoride material and a nanoporous, electrically-conductive scaffolding matrix within which the active fluoride material is disposed. The active fluoride material is provided to store and release ions during battery operation. The storing and releasing of the ions may cause a substantial change in volume of the active material. The scaffolding matrix structurally supports the active material, electrically interconnects the active material, and accommodates the changes in volume of the active material.Type: GrantFiled: August 30, 2022Date of Patent: August 22, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Bogdan Zdyrko, Alexander Jacobs, Eugene Berdichevsky
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Patent number: 11721831Abstract: Metal-ion battery cells are provided that take advantage of the disclosed “doping” process. The cells may be fabricated from anode and cathode electrodes, a separator, and an electrolyte. A metal-ion additive may be incorporated into (i) one or more of the electrodes, (ii) the separator, or (iii) the electrolyte. The metal-ion additive provides additional donor ions corresponding to the metal ions stored and released by anode and cathode active material particles. An activation potential may then be applied to the anode and cathode electrodes to release the additional donor ions into the battery cell.Type: GrantFiled: August 21, 2014Date of Patent: August 8, 2023Assignee: Sila Nanotechnologies, Inc.Inventors: Gleb Yushin, Bogdan Zdyrko, Alexander Thomas Jacobs, Eugene Michael Berdichevsky
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Patent number: 11710846Abstract: A metal-ion battery cell is provided that comprises anode and cathode electrodes, a separator, and an electrolyte. The anode electrode may, for example, have a capacity loading in the range of about 2 mAh/cm2 to about 10 mAh/cm2 and comprise anode particles that (i) have an average particle size in the range of about 0.2 microns to about 40 microns, (ii) exhibit a volume expansion in the range of about 8 vol. % to about 180 vol. % during one or more charge-discharge cycles of the battery cell, and (iii) exhibit a specific capacity in the range of about 600 mAh/g to about 2600 mAh/g. The electrolyte may comprise, for example, (i) one or more metal-ion salts and (ii) a solvent composition that comprises one or more low-melting point solvents that each have a melting point below about ?70° C. and a boiling point above about +70° C.Type: GrantFiled: November 5, 2021Date of Patent: July 25, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Ashleigh Ward, Gregory Roberts
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Patent number: 11708625Abstract: In an embodiment, an alloy is exposed to a hydrophilic solvent at least until at least one Group I or Group II element is substantially removed so as to produce a nanomaterial that substantially includes a metal, semimetal or non-metal material and that exhibits a desired set of microstructure characteristics. The hydrophilic solvent is configured to be reactive with respect to the at least one Group I or Group II element and substantially unreactive with respect to the metal, semimetal or non-metal material. In another embodiment, an active material is infiltrated into pores of a nanoporous metal or metal oxide, after which the infiltrated nanoporous metal or metal oxide material is annealed to produce an active material-based nanocomposite material. A protective coating layer is deposited on at least part of a surface of the active material-based nanocomposite material.Type: GrantFiled: August 1, 2018Date of Patent: July 25, 2023Assignees: SILA NANOTECHNOLOGIES, INC., GEORGIA TECH RESEARCH CORPORATIONInventors: Gleb Yushin, Kostiantyn Turcheniuk, James Benson
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Patent number: 11688855Abstract: An embodiment is directed to an electrode composition for use in an energy storage device cell. The electrode comprises composite particles, each comprising carbon that is biomass-derived and active material. The active material exhibits partial vapor pressure below around 10?13 torr at around 400 K, and an areal capacity loading of the electrode composition ranges from around 2 mAh/cm2 to around 16 mAh/cm2.Type: GrantFiled: June 8, 2022Date of Patent: June 27, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Adam Kajdos
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Patent number: 11664537Abstract: In an embodiment, a metal-ion battery cell comprises an anode electrode, a cathode electrode, a separator, and electrolyte ionically coupling the anode electrode and the cathode electrode. The anode electrode is a high-capacity electrode (e.g., in the range of about 2 mAh/cm2 to about 10 mAh/cm2). The electrolyte includes a solvent composition, the solvent composition including low-melting point (LMP) solvent(s) in the range from about 10 vol. % to about 80 vol. % of the solvent composition as well as regular-melting point (RMP) solvent(s) in the range from about 20 vol. % to about 90 vol. % of the solvent composition.Type: GrantFiled: November 5, 2021Date of Patent: May 30, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Ashleigh Ward
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Patent number: 11658331Abstract: Lithium-ion batteries are provided that variously comprise anode and cathode electrodes, an electrolyte, a separator, and, in some designs, a protective layer. In some designs, at least one of the electrodes may comprise a composite of (i) Li2S and (ii) conductive carbon that is embedded in the core of the composite. In some designs, the protective layer may be disposed on at least one of the electrodes via electrolyte decomposition. Various methods of fabrication for lithium-ion battery electrodes and particles are also provided.Type: GrantFiled: January 31, 2022Date of Patent: May 23, 2023Assignees: SILA NANOTECHNOLOGIES, INC., GEORGIA TECH RESEARCH CORPORATIONInventors: Gleb Yushin, Feixiang Wu, Hyea Kim
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Patent number: 11594718Abstract: In an aspect, a Li-ion cell may comprise a densified electrode exhibiting an areal capacity loading of more than about 4 mAh/cm2. For example, the densified electrode may a first electrode part arranged on a current collector and a second electrode part on top of the first electrode part, the second electrode part of the at least one densified electrode having a higher porosity than the first electrode part of the at least one densified electrode. In some designs, the densified electrode may be fabricated by densifying electrode layers via a pressure roller while maintaining a contacting part of the pressure roller at a temperature that is less than a temperature of the second electrode part. In some designs, the applied pressure is a time-varying (e.g., frequency modulated) pressure. In some designs, a drying time for a slurry to produce the densified electrode may range from around 1-120 seconds.Type: GrantFiled: May 26, 2020Date of Patent: February 28, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Gene Berdichevsky
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Patent number: 11581569Abstract: An embodiment is directed to a solid state electrolyte-comprising Li or Li-ion battery cell, comprising an anode electrode, a cathode electrode with an areal capacity loading that exceeds around 3.5 mAh/cm2, an ionically conductive separator layer that electrically separates the anode and cathode electrodes, and one or more solid electrolytes ionically coupling the anode and the cathode, wherein at least one of the one or more solid electrolytes or at least one solid electrolyte precursor of the one or more solid electrolytes is infiltrated into the solid state Li or Li-ion battery cell as a liquid.Type: GrantFiled: April 23, 2020Date of Patent: February 14, 2023Assignee: Sila Nanotechnologies, Inc.Inventors: Gleb Yushin, Naoki Nitta, John Roudebush, Austin Sendek, Samik Jhulki
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Patent number: 11581523Abstract: In an embodiment, a Li-ion battery cell comprises an anode electrode with an electrode coating that (1) comprises Si-comprising active material particles, (2) exhibits an areal capacity loading in the range of about 3 mAh/cm2 to about 12 mAh/cm2, (3) exhibits a volumetric capacity in the range from about 600 mAh/cc to about 1800 mAh/cc in a charged state of the cell, (4) comprises conductive additive material particles, and (5) comprises a polymer binder that is configured to bind the Si-comprising active material particles and the conductive additive material particles together to stabilize the anode electrode against volume expansion during the one or more charge-discharge cycles of the battery cell while maintaining the electrical connection between the metal current collector and the Si-comprising active material particles.Type: GrantFiled: October 18, 2018Date of Patent: February 14, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Laura Gerber, Adam Kajdos, Justin Yen, Justin Doane, Jens Steiger
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Patent number: 11575129Abstract: Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh/g as a cathode active material or (ii) a specific capacity of at least 400 mAh/g as an anode active material. The active material may be disposed in the pores of the scaffolding matrix material. According to various designs, each composite particle may exhibit at least one material property that changes from the center to the perimeter of the scaffolding matrix material.Type: GrantFiled: November 15, 2021Date of Patent: February 7, 2023Assignee: SILA NANOTECHNOLOGIES, INC.Inventors: Gleb Yushin, Eugene Michael Berdichevsky, Alexander Thomas Jacobs, Alper Nese, Damian Harris, Bogdan Zdyrko
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Patent number: 11557757Abstract: Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites.Type: GrantFiled: April 20, 2020Date of Patent: January 17, 2023Assignees: SILA NANOTECHNOLOGIES, INC., GEORGIA TECH RESEARCH CORPORATIONInventors: Gleb Yushin, Oleksandr Magazynskyy, Patrick Dixon, Benjamin Hertzberg