Search Patents
  • One-pot synthesis for lithium ion battery cathode material precursors
    Patent number: 11121370
    Abstract: Provided is an improved method for forming lithium ion cathode materials specifically for use in a battery. The method comprises forming a first solution comprising a digestible feedstock of a first metal suitable for formation of a cathode oxide precursor and a multi-carboxylic acid. The digestible feedstock is digested to form a first metal salt in solution wherein the first metal salt precipitates as a salt of deprotonated multi-carboxylic acid thereby forming an oxide precursor. The oxide precursor is heated to form the lithium ion cathode material.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: September 14, 2021
    Assignee: Nano One Materials Corp.
    Inventors: Annabelle Wong, Cameron Hodgins, Elahe Talaie Pashiri, Farhang Nesvaderani, O'Rian Reid, Sean Mehta, Stephen A. Campbell, Yingzi Feng
  • Intermediate material between precursor and cathode active material
    Patent number: 12077452
    Abstract: A process for forming an active cathode material. The process comprises forming a precursor comprising a lithium salt and a multi-carboxylic acid salt of at least one of nickel, manganese or cobalt; heating the precursor in a metal lined vessel to a temperature of no more than 600° C. to form an intermediate material; and heating the intermediate material to a temperature of over 600° C. to form said active cathode material.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: September 3, 2024
    Assignee: Nano One Materials Corp.
    Inventors: Daniel J. Blondal, Stephen A. Campbell, Annabelle Po Yin Wong, O'Rian Reid
  • One-pot synthesis for LiNbO3 coated spinel
    Patent number: 11811056
    Abstract: Provided is an improved method for forming a coated lithium ion cathode materials specifically for use in a battery. The method comprises forming a first solution comprising a digestible feedstock of a first metal suitable for formation of a cathode oxide precursor and a multi-carboxylic acid. The digestible feedstock is digested to form a first metal salt in solution wherein the first metal salt precipitates as a salt of deprotonated multi-carboxylic acid thereby forming an oxide precursor and a coating metal is added to the oxide precursor. The oxide precursor is heated to form the coated lithium ion cathode material.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 7, 2023
    Assignee: Nano One Materials Corp.
    Inventors: Stephen Campbell, Elahe Talaie
  • Synthesis of olivine lithium metal phosphate cathode materials
    Patent number: 11677077
    Abstract: An improved process for forming a lithium metal phosphate cathode material, a precursor to the cathode material and a battery comprising the cathode material is described. The process comprising: forming an first aqueous solution comprising a first molar concentration of Li+and a second molar concentration of PO43?; forming a second aqueous solution comprising organic acid or a salt of an organic acid and a metal selected from the group consisting of Fe, Ni, Mn and Co wherein said metal is present in a third molar concentration; allowing a precipitate to form; drying the precipitate; and calcining the precipitate thereby forming the lithium metal phosphate cathode material having a formula represented by LiMPO4/C wherein the lithium metal phosphate cathode material comprises up to 3 wt % carbon.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: June 13, 2023
    Assignee: Nano One Materials Corp.
    Inventors: Majid Talebiesfandarani, Sean Mehta
  • Phosphate stabilized lithium ion battery cathode
    Patent number: 11018331
    Abstract: A stabilized lithium ion cathode material comprising a calcined manganese oxide powder wherein the manganese on a surface is MnPO4, comprises an manganese phosphate bond, or the phosphate is bonded to the surface of the cathode material.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 25, 2021
    Assignee: Nano One Materials Corp.
    Inventors: Stephen A. Campbell, O'Rian Reid
  • Phosphate stabilized lithium ion battery cathode
    Patent number: 11735712
    Abstract: A stabilized lithium ion cathode material comprising a calcined manganese oxide powder wherein the manganese on a surface is MnPO4, comprises an manganese phosphate bond, or the phosphate is bonded to the surface of the cathode material.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: August 22, 2023
    Assignee: Nano One Materials Corp.
    Inventors: Stephen A. Campbell, O'Rian Reid
  • Nanopowders of layered lithium mixed metal oxides for battery applications
    Patent number: 10283763
    Abstract: A method of forming a battery with improved properties is provided. The battery has a cathode material prepared by the complexometric formulation methodology comprising MjXp wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and n represents the moles of positive ion per mole of MjXp; and Xp is a negative anion or polyanion selected from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p representing the moles of negative ion per moles of MjXp. The battery has a discharge capacity at the 1000th discharge cycle of at least 120 mAh/g at room temperature at a discharge rate of 1 C when discharged from at least 4.6 volts to at least 2.0 volts.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: May 7, 2019
    Assignee: Nano One Materials Corp.
    Inventors: Teresita Frianeza-Kullberg, Lennart H. Kullberg
  • Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders for lithium metal oxides for battery applications
    Patent number: 10374232
    Abstract: A compound MjXp which is particularly suitable for use in a battery prepared by the complexometric precursor formulation methodology wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j is an integer representing the moles of said positive ion per moles of said MjXp; and Xp, a negative anion or polyanion from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p is an integer representing the moles of said negative ion per moles of said MjXp.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 6, 2019
    Assignee: Nano One Materials Corp.
    Inventor: Teresita Frianeza-Kullberg
  • Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders of lithium metal oxides for battery applications
    Patent number: 10446835
    Abstract: A compound MjXp which is particularly suitable for use in a battery prepared by the complexometric precursor formulation methodology wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j is an integer representing the moles of said positive ion per moles of said MjXp; and Xp, a negative anion or polyanion from Groups IIIA, IVA, VA, VIA and VIIA and may be one or more anion or polyanion and p is an integer representing the moles of said negative ion per moles of said MjXp.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: October 15, 2019
    Assignee: Nano One Materials Corp.
    Inventor: Teresita Frianeza-Kullberg
  • Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders for lithium metal oxides for battery applications
    Patent number: 9159999
    Abstract: A compound MjXp which is particularly suitable for use in a battery prepared by the complexometric precursor formulation methodology wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j is an integer representing the moles of said positive ion per moles of said MjXp; and Xp, a negative anion or polyanion from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p is an integer representing the moles of said negative ion per moles of said MjXp.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 13, 2015
    Assignee: Nano One Materials Corp.
    Inventor: Teresita Frianeza-Kullberg
  • Process For The Manufacture Of Lithium Metal Oxide Cathode Materials
    Publication number: 20190031527
    Abstract: An improved process is provided for forming a precursor to a lithium metal oxide. An improved lithium metal oxide formed by calcining the precursor is also provided. The process includes providing lithium bicarbonate in a first aqueous mixture. The lithium bicarbonate is then reacted with metal acetate thereby forming a second aqueous mixture comprising metal carbonate, lithium acetate, acetic acid and water wherein the acetic acid is neutralized with lithium hydroxide thereby forming a first mixture comprising metal carbonate and lithium acetate. The first mixture is separated into a second mixture and a third mixture wherein the second mixture comprises the metal carbonate and a first portion of lithium acetate with metal carbonate and lithium acetate being in a predetermined molar ratio. The third mixture comprises a second portion of lithium acetate. The second mixture is dried thereby forming the precursor comprising metal carbonate and lithium acetate in the predetermined molar ratio.
    Type: Application
    Filed: July 28, 2017
    Publication date: January 31, 2019
    Applicant: Nano One Materials Corp.
    Inventor: Clive H.M. Brereton
  • Process for the manufacture of lithium metal oxide cathode materials
    Patent number: 10189719
    Abstract: An improved process is provided for forming a precursor to a lithium metal oxide. An improved lithium metal oxide formed by calcining the precursor is also provided. The process includes providing lithium bicarbonate in a first aqueous mixture. The lithium bicarbonate is then reacted with metal acetate thereby forming a second aqueous mixture comprising metal carbonate, lithium acetate, acetic acid and water wherein the acetic acid is neutralized with lithium hydroxide thereby forming a first mixture comprising metal carbonate and lithium acetate. The first mixture is separated into a second mixture and a third mixture wherein the second mixture comprises the metal carbonate and a first portion of lithium acetate with metal carbonate and lithium acetate being in a predetermined molar ratio. The third mixture comprises a second portion of lithium acetate. The second mixture is dried thereby forming the precursor comprising metal carbonate and lithium acetate in the predetermined molar ratio.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: January 29, 2019
    Assignee: Nano One Materials Corp.
    Inventor: Clive H. M. Brereton
  • Fine and ultrafine powders and nanopowders of lithium metal oxides for battery applications
    Patent number: 11616230
    Abstract: A method of forming an improved calcined lithium metal oxide is provided wherein the metal comprises at least one of nickel, manganese and cobalt. The method comprises forming a first solution in a first reactor wherein the first solution comprises at least one first salt of at least one of lithium, nickel, manganese or cobalt in a first solvent. A second solution is formed wherein the second solution comprises a second salt of at least one of lithium, nickel, manganese or cobalt in a second solvent wherein the second salt is not present in the first solution. A gas in introduced into said first solution to form a gas saturated first solution. A second solution is added to the gas saturated first solution without bubbling to form a lithium metal salt. The lithium metal salt dried and calcined to form the calcined lithium metal oxide.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 28, 2023
    Assignee: Nano One Materials Corp.
    Inventors: Russell H. Barton, Yingzi Feng, Casey A. Larson, Majid Talebiesfandarani, Stephen A. Campbell, Daniel J. Blondal
  • Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders of layered lithium mixed metal oxides for battery applications
    Patent number: 9698419
    Abstract: A battery with improved properties is provided. The battery has a cathode material prepared by the complexometric formulation methodology comprising MnXp wherein: Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and n represents the moles of said positive ion per mole of said MjXp; and Xp is a negative anion or polyanion selected from Groups IIIA, IV A, VA, VIA and VIIA and may be one or more anion or polyanion and p representing the moles of said negative ion per moles of said MjXp. The battery has a discharge capacity at the 1000th discharge cycle of at least 120 mAh/g at room temperature at a discharge rate of 1 C when discharged from at least 4.6 volts to at least 2.0 volts.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: July 4, 2017
    Assignee: Nano One Materials Corp.
    Inventors: Teresita Frianeza-Kullberg, Lennart H. Kullberg
  • Complexometric precursors formulation methodology for industrial production of high performance fine and ultrafine powders and nanopowders for specialized applications
    Patent number: 9136534
    Abstract: A method of forming a powder MjXp wherein Mj is a positive ion or several positive ions selected from alkali metal, alkaline earth metal or transition metal; and Xp is a monoatomic or a polyatomic anion selected from Groups IIIA, IVA, VA, VIA or VIIA; called complexometric precursor formulation or CPF. The method includes the steps of: providing a first reactor vessel with a first gas diffuser and an first agitator; providing a second reactor vessel with a second gas diffuser and a second agitator; charging the first reactor vessel with a first solution comprising a first salt of Mj; introducing gas into the first solution through the first gas diffuser, charging the second reactor vessel with a second solution comprising a salt of Mp; adding the second solution to the first solution to form a complexcelle; drying the complexcelle, to obtain a dry powder; and calcining the dried powder of said MjXp.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 15, 2015
    Assignee: Nano One Materials Corp.
    Inventor: Teresita Frianeza-Kullberg
  • Nano-crystalline core and nano-crystalline shell pairing having group I-III-VI material nano-crystalline core
    Patent number: 9187692
    Abstract: Nano-crystalline core and nano-crystalline shell pairings having group I-III-VI material nano-crystalline cores, and methods of fabricating nano-crystalline core and nano-crystalline shell pairings having group I-III-VI material nano-crystalline cores, are described. In an example, a semiconductor structure includes a nano-crystalline core composed of a group I-III-VI semiconductor material. A nano-crystalline shell composed of a second, different, semiconductor material at least partially surrounds the nano-crystalline core. In one specific example, the nano-crystalline core/nano-crystalline shell pairing has a photoluminescence quantum yield (PLQY) of greater than 60%. In another specific example, the nano-crystalline core/nano-crystalline shell pairing is a Type I hetero-structure.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: November 17, 2015
    Assignee: Pacific Light Technologies Corp.
    Inventors: Steven M. Hughes, Juanita N. Kurtin
  • COMPOSITE MATERIALS COMPRISING CONDUCTIVE NANO-FILLERS
    Publication number: 20140306164
    Abstract: A process for the production of a composition comprising one or more conductive nano-filler(s), one or more polyarylethersulphone thermoplastic polymer(s) (A), one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor, wherein said process comprises mixing or dispersing a first composition comprising one or more conductive nano-filler(s) and one or more polyarylethersulphone thermoplastic polymer(s) (A) with or into one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor.
    Type: Application
    Filed: December 19, 2012
    Publication date: October 16, 2014
    Applicant: CYTEC TECHNOLOGY CORP.
    Inventors: Carmelo Luca Restuccia, Fiorenzo Lenzi, Emiliano Frulloni, Natalie Denise Jordan, Mark Edward Harriman
  • COMPOSITE MATERIALS COMPRISING CONDUCTIVE NANO-FILLERS
    Publication number: 20170301428
    Abstract: A process for the production of a composition comprising one or more conductive nano-filler(s), one or more polyarylethersulphone thermoplastic polymer(s) (A), one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor, wherein said process comprises mixing or dispersing a first composition comprising one or more conductive nano-filler(s) and one or more polyarylethersulphone thermoplastic polymer(s) (A) with or into one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 19, 2017
    Applicant: CYTEC TECHNOLOGY CORP.
    Inventors: Carmelo Luca Restuccia, Fiorenzo Lenzi, Emiliano Frulloni, Natalie Denise Jordan, Mark Edward Harriman
  • Composite materials comprising conductive nano-fillers
    Patent number: 10236092
    Abstract: A process for the production of a composition comprising one or more conductive nano-filler(s), one or more polyarylethersulphone thermoplastic polymer(s) (A), one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor, wherein said process comprises mixing or dispersing a first composition comprising one or more conductive nano-filler(s) and one or more polyarylethersulphone thermoplastic polymer(s) (A) with or into one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: March 19, 2019
    Assignee: CYTEC TECHNOLOGY CORP.
    Inventors: Carmelo Luca Restuccia, Fiorenzo Lenzi, Emiliano Frulloni, Natalie Denise Jordan, Mark Edward Harriman
  • Composite materials comprising conductive nano-fillers
    Patent number: 9640297
    Abstract: A process for the production of a composition comprising one or more conductive nano-filler(s), one or more polyarylethersulphone thermoplastic polymer(s) (A), one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor, wherein said process comprises mixing or dispersing a first composition comprising one or more conductive nano-filler(s) and one or more polyarylethersulphone thermoplastic polymer(s) (A) with or into one or more uncured thermoset resin precursor(s) (P), and optionally one or more curing agent(s) therefor.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: May 2, 2017
    Assignee: CYTEC TECHNOLOGY CORP.
    Inventors: Carmelo Luca Restuccia, Fiorenzo Lenzi, Emiliano Frulloni, Natalie Denise Jordan, Mark Edward Harriman
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