Patents by Inventor Bor Z. Jang

Bor Z. Jang 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: 11990608
    Abstract: Provided is highly elastic polymer composite binder composition for use in an anode or cathode of a lithium battery, the composition comprising a polymerizing or cross-linking liquid precursor and a 0.01%-50% by weight of a conductive reinforcement material dispersed in the liquid precursor, wherein the liquid precursor is capable of chemically bonding to an anode active material or cathode active material in the lithium battery upon completion of polymerization or cross-linking reactions to form a high-elasticity polymer and the resulting high-elasticity polymer has a recoverable tensile strain from 5% to 700% when measured without the conductive reinforcement dispersed in the polymer.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: May 21, 2024
    Assignee: Honeycomb Battery Company
    Inventors: Hui He, Bor Z. Jang
  • Patent number: 11984580
    Abstract: Provided is an anode particulate for a lithium battery, the particulate comprising a polymer foam material having pores and a single or a plurality of primary particles of an anode active material embedded in or in contact with said polymer foam material, wherein said primary particles of anode active material have a total solid volume Va, and said pores have a total pore volume Vp, and the volume ratio Vp/Va is from 0.1/1.0 to 10/1.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: May 14, 2024
    Assignee: Honeycomb Battery Company
    Inventors: Yi-jun Lin, Yen-Po Lin, Sheng-Yi Lu, Bor Z. Jang
  • Patent number: 11978904
    Abstract: Provided is an anode active material layer for a lithium battery. The anode active material layer comprises multiple anode active material particles and an optional conductive additive that are bonded together by a binder comprising a high-elasticity polymer having a recoverable or elastic tensile strain no less than 5% when measured without an additive or reinforcement in the polymer. The high-elasticity polymer contains a cross-linked network of polymer chains. The anode active material preferably has a specific lithium storage capacity greater than 372 mAh/g (e.g. Si, Ge, Sn, SnO2, Co3O4, etc.).
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: May 7, 2024
    Assignee: Honeycomb Battery Company
    Inventors: Hui He, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11973211
    Abstract: Disclosed is a process for producing graphene-metal nanowire hybrid material, comprising: (A) preparing a catalyst metal-coated mixture mass, which includes mixing graphene sheets with source metal particles to form a mixture and depositing a nanoscaled catalytic metal onto surfaces of the graphene sheets and/or metal particles; and (B) exposing the catalyst metal-coated mixture mass to a high temperature environment (preferably from 100° C. to 2,500° C.) for a period of time sufficient to enable a catalytic metal-catalyzed growth of multiple metal nanowires using the source metal particles as a feed material to form the graphene-metal nanowire hybrid material composition. An optional etching or separating procedure may be conducted to remove catalytic metal or graphene from the metal nanowires.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 30, 2024
    Assignee: Honeycomb Battery Company
    Inventor: Bor Z. Jang
  • Patent number: 11965115
    Abstract: Provided is a humic acid-based coating suspension comprising humic acid, particles of an anti-corrosive pigment or sacrificial metal, and a binder resin dissolved or dispersed in a liquid medium, wherein the humic acid has a weight fraction from 0.1% to 50% based on the total coating suspension weight excluding the liquid medium. Also provided is an object or structure coated at least in part with such a coating.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: April 23, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Yi-Jun Lin, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11961998
    Abstract: Provided is a method of producing multiple particulates, the method comprising: (a) dispersing multiple primary particles of an anode active material, having a particle size from 2 nm to 20 ?m, and particles of a polymer foam material, having a particle size from 50 nm to 20 ?m, and an optional adhesive or binder in a liquid medium to form a slurry; and (b) shaping the slurry and removing the liquid medium to form the multiple particulates having a diameter from 100 nm to 50 ?m; wherein at least one of the multiple particulates comprises a polymer foam material having pores and a single or a plurality of the primary particles embedded in or in contact with the polymer foam material, wherein the primary particles have a total solid volume Va, and the pores have a total pore volume Vp, and the volume ratio Vp/Va is from 0.1/1.0 to 10/1.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: April 16, 2024
    Assignee: Honeycomb Battery Company
    Inventors: Yi-Jun Lin, Yen-Po Lin, Sheng-Yi Lu, Bor Z. Jang
  • Patent number: 11958382
    Abstract: Provided is a battery charging system, comprising (a) at least one charging circuit to charge at least one rechargeable battery cell; and (b) a heating device to provide heat that is transported through a heat spreader element, implemented fully outside the battery cell, to heat up the battery cell to a desired temperature Tc before or during battery charging. The system may further comprise (c) a cooling device in thermal contact with the heat spreader element configured to enable transporting internal heat of the battery cell through the heat spreader element to the cooling device when the battery cell is discharged. Charging the battery at Tc enables completion of the charging of the battery in less than 15 minutes, typically less than 10 minutes, and more typically less than 5 minutes without adversely impacting the battery structure and performance. Also provided is a battery module or pack working with such a system.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: April 16, 2024
    Assignee: Honeycomb Battery Company
    Inventors: Aruna Zhamu, Yu-Sheng Su, Bor Z. Jang
  • Publication number: 20240108954
    Abstract: Lacrosse shafts are provided that include graphene. The graphene increases the durability of the lacrosse shafts. Also provided is equipment for other contact sports that include graphene to increase durability.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 4, 2024
    Inventors: Hamilton Sean Michael WHITNEY, Gregory Lee KENNEALLY, Chia-Jen HSU, Bor Z. JANG, Aruna ZHAMU
  • Patent number: 11945971
    Abstract: Provided is a graphene-based coating suspension comprising multiple graphene sheets, thin film coating of an anti-corrosive pigment or sacrificial metal deposited on graphene sheets, and a binder resin dissolved or dispersed in a liquid medium, wherein the multiple graphene sheets contain single-layer or few-layer graphene sheets selected from a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.001% to 47% by weight of non-carbon elements wherein the non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof. The invention also provides a process for producing this coating suspension. Also provided is an object or structure coated at least in part with such a coating.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: April 2, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Fan-Chun Meng, Yi-jun Lin, Shaio-yen Lee, Wen Y. Chiu, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11946704
    Abstract: Provided is a elastic heat spreader film comprising: (a) an elastomer or rubber as a binder material or a matrix material; and (b) multiple graphene sheets that are bonded by the binder material or dispersed in the matrix material, wherein the multiple graphene sheets are substantially aligned to be parallel to one another and wherein the elastomer or rubber is in an amount from 0.001% to 20% by weight based on the total heat spreader film weight; wherein the multiple graphene sheets contain single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof; and wherein the elastic heat spreader film has a fully recoverable tensile elastic strain from 2% to 100% and an in-plane thermal conductivity from 200 W/mK to 1,750 W/mK.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: April 2, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Yi-jun Lin, Bor Z. Jang
  • Patent number: 11949083
    Abstract: Provided is a battery assembly having a distributed cooling and fire protection system, the battery assembly comprising: (a) a plurality of battery cells; (b) a case configured to hold the plurality of battery cells; and (c) a cooling liquid distribution system, having a cooling liquid reservoir and/or pipes that are in proximity to at least a subset of the plurality of the cells and configured to deliver, on demand, a desired amount of the first cooling liquid on a cell or multiple cells in the vicinity of the cell when a temperature of the cell exceeds a threshold temperature; wherein the first cooling liquid comprises a fire protection or fire suppression substance which, on contact with the cell, prevents, retards, or extinguishes a cell fire and prevents a propagation or cell-to-cell cascading reactions of a thermal runaway or fire event.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 2, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 11949109
    Abstract: An electrode for a rechargeable lithium battery, the electrode comprising an electrode active material layer comprising an electrode active material that is in physical contact with or mixed with a quasi-solid or solid-state electrolyte, wherein the electrolyte comprises a polymer, which is a polymerization or crosslinking product of a reactive additive (reactive liquid electrolyte) comprising (i) a first liquid solvent that is polymerizable, (ii) an initiator and/or curing agent, (iii) a lithium salt, and (iv) an optional second liquid solvent; wherein the first liquid solvent occupies from 1% to 99% by weight and the second solvent, if present, occupies from 0.1% to 99% by weight based on the total weight of the reactive additive; wherein the first liquid solvent has a lower flash point, a higher vapor pressure, a higher dielectric constant, or a higher solubility of the lithium salt as compared with the second liquid solvent.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: April 2, 2024
    Assignee: Honeycomb Battery Company
    Inventor: Bor Z. Jang
  • Patent number: 11949063
    Abstract: A rechargeable lithium cell comprising: (a) a cathode having a cathode active material and a first electrolyte in ionic contact with the cathode active material; (b) an anode having an anode current collector but no anode active material and having no lithium metal when the cell is made; (c) an optional porous separator electronically separating the anode and the cathode; and (d) a second electrolyte, comprising a polymer electrolyte in ionic contact with the first electrolyte, wherein the polymer electrolyte is disposed substantially between the anode and the cathode, between the separator and the cathode, and/or between the separator and the anode. The polymer electrolyte substantially does not permeate into the anode or the cathode. Also provided is a method of preparing or operating such an anode-less lithium cell.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 2, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Hui He, Aruna Zhamu, Bor Z. Jang
  • Publication number: 20240097115
    Abstract: Provided is method of producing graphene-embraced anode particulates for a lithium battery, the method comprising: (A) providing anode active material-decorated carbon or graphite particles, wherein the carbon or graphite particles have a diameter or thickness from 500 nm to 50 ?m and the anode active material, in a form of particles or coating having a diameter or thickness from 0.5 nm to 2 ?m, is bonded to surfaces of the carbon or graphite particles; and (B) embracing the anode active material-decorated carbon or graphite particles with a shell comprising multiple graphene sheets to produce the graphene-embraced anode particulates.
    Type: Application
    Filed: August 21, 2023
    Publication date: March 21, 2024
    Applicant: Honeycomb Battery Company
    Inventor: Bor Z. Jang
  • Patent number: 11923526
    Abstract: Provided is a process for producing a thin film graphene-bonded metal foil current collector for a battery or supercapacitor, said process comprising: (a) providing a graphene suspension comprising graphene sheets dispersed in a liquid medium; (b) operating a micro-gravure coater to deposit a layer of the graphene suspension onto at least one of the two primary surfaces of a metal foil to form a wet layer of graphene deposited thereon; and (c) removing said fluid medium from the deposited wet layer to form a dry layer of graphene, having a layer thickness from 1 nm to 100 nm. Optionally, the process may include heat treating the dry layer of graphene at a temperature from 35° C. to 3,000° C.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 5, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Yanbo Wang, Bor Z. Jang
  • Patent number: 11916223
    Abstract: Provided is a rechargeable alkali metal-sulfur cell comprising an anode active material layer, an electrolyte, and a cathode active material layer comprising multiple particulates, wherein at least one of the particulates comprises one or a plurality of sulfur-containing material particles being partially or fully embraced or encapsulated by a thin shell layer of a conducting polymer network, having a lithium ion conductivity no less than 10?8 S/cm, an electron conductivity from 10?8 to 103 S/cm at room temperature (typically up to 5×10?2 S/cm), and a shell layer thickness from 0.5 nm to 10 ?m. This battery exhibits an excellent combination of high sulfur content, high sulfur utilization efficiency, high energy density, and long cycle life. Also provided are a powder mass containing such multiple particulates, a cathode layer comprising such multiple particulates, and a method of producing the cathode layer and the battery cell.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: February 27, 2024
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang
  • Patent number: 11916189
    Abstract: Provided is apparatus for introducing a quasi-solid electrolyte into one or a plurality of lithium battery cells, the apparatus comprising: (a) a cell-holding device to hold one or a plurality of lithium battery cells and is in a working relation to a liquid electrolyte-filling device that injects a liquid electrolyte into the battery cells, wherein the liquid electrolyte comprises a lithium salt dissolved in a first liquid solvent having a first lithium salt concentration from 0.001 M to 3.0 M (mole/L); and (b) a solvent vapor-removing device in a working relation to the cell-holding device, wherein the vapor-removing device comprises a pumping device to move solvent vapors away from the battery cells so that the electrolyte has a final lithium salt concentration higher than the first concentration and higher than 2.0 M. Also provided is a method of operating the apparatus.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: February 27, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Hui He, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11901562
    Abstract: A bipolar electrode for a lithium battery, the bipolar electrode comprising: (a) a current collector comprising a conductive material foil having two opposing primary surfaces, wherein one or both of the primary surfaces is optionally coated with a layer of graphene or expanded graphite material having a thickness from 5 nm to 50 ?m; and (b) a negative electrode layer and a positive electrode layer respectively disposed on the two primary surfaces, wherein the positive electrode layer comprises a mixture of particles of a cathode active material and a quasi-solid or solid-state electrolyte and the electrolyte comprises a polymer, which is a polymerization or crosslinking product of a reactive additive, wherein the reactive additive comprises (i) a first liquid solvent that is polymerizable, (ii) an initiator or curing agent, and (iii) a lithium salt. Also provided is a bipolar battery comprising a plurality of bipolar electrodes connected in series.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: February 13, 2024
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang
  • Publication number: 20240041031
    Abstract: Provided is graphene-based protective layer deposited on a surface of a clean facility (e.g., a medical facility), wherein the protective layer comprises graphene sheets coated on the surface or at least partially embedded in the surface, wherein the graphene sheets comprise a plurality of discrete single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof. Preferably, surfaces of graphene sheets carry an anti-microbial compound, preferably in the form of a nanoparticle, nano-wire, or nano-coating.
    Type: Application
    Filed: August 4, 2022
    Publication date: February 8, 2024
    Applicant: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 11888119
    Abstract: A method of producing a rechargeable lithium battery cell, the method comprising (a) preparing a liquid electrolyte solution comprising an ion-conducting polymer dispersed in a first liquid solvent and an optional lithium salt dissolved in the first liquid solvent; (b) impregnating the electrolyte solution into the cathode, the anode, a porous structure of the separator, or the battery cell; (c) removing the first liquid solvent; and (d) impregnating a second liquid solvent, comprising an optional lithium salt dissolved therein, into the cathode, the anode, the separator porous structure, or the battery cell; wherein the ion-conducting polymer comprises a polymer having an ion conductivity from 10?8 S/cm to 10?2 S/cm when measured at room temperature without the presence of a liquid solvent and the polymer does not occupy more than 25% by weight of the cathode, not counting a current collector weight.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: January 30, 2024
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang