Patents by Inventor Lawrence Alan Hough

Lawrence Alan Hough 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).

  • Publication number: 20240106000
    Abstract: The present invention relates to an electrolyte composition for lithium metal batteries, comprising a) at least one fluorinated di-ether containing from 4 to 10 carbon atoms, represented by Formula (I) of R1—O—R2—O—R3, wherein each R1 and R3 is independently a fluorinated alkyl group, and R2 is an optionally fluorinated alkyl group, represented by Formula (II) of CaFbHc, wherein a is an integer from 1 to 6, b+c is an integer from 2 to 10, and if b is 0, R1 and R3 independently have no H; b) at least one non-fluorinated ether; and c) at least one lithium salt, wherein a) the fluorinated di-ether is in an amount of at least 50% by volume (vol %), based on the total volume of a) the fluorinated di-ether and b) the non-fluorinated ether. The present invention also relates to a lithium metal battery comprising a negative electrode comprising lithium metal; a positive electrode; a separator; and an electrolyte composition according to the present invention.
    Type: Application
    Filed: November 3, 2021
    Publication date: March 28, 2024
    Applicant: Solvay SA
    Inventors: Ji-Ae Choi, Vito Tortelli, Guillaume Müller, Lawrence Alan Hough, Marco Galimberti, So-Young Lee, Hee-Sung Choi
  • Publication number: 20230238567
    Abstract: The present invention pertains to an anode-less lithium ion battery comprising a) a cathode comprising a cathode current collector and a cathode electro-active material on the cathode current collector; b) an anode current collector; c) a liquid electrolyte composition between the a) cathode and the b) anode current collector; and d) a separator, wherein the c) liquid electrolyte composition comprises i) at least 70% by volume (vol %) of a solvent mixture with respect to the total volume of the electrolyte composition, comprising at least one fluorinated ether compound and at least one non-fluorinated ether compound, and ii) at least one lithium salt.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 27, 2023
    Applicant: Solvay SA
    Inventors: Ji-Ae Choi, Guillaume Müller, Lawrence Alan Hough, Hyun-Cheol Lee, Hee-Sung Choi, So-Young Lee
  • Publication number: 20230019506
    Abstract: An electrochemical cell comprises an anode, a cathode and an electrolyte composition, wherein the anode comprises as anode active material a combination of at least a carbon material and a silicon material; and the electrolyte composition comprises a solvent, from 0.5 wt. % to 70 wt. %, based on the total weight of the electrolyte, of a fluorinated acyclic carbonate compound, from 0.5 wt. % to 10 wt. %, based on the total weight of the electrolyte, of a fluorinated cyclic carbonate compound; and an electrolyte salt.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 19, 2023
    Applicant: Solvay SA
    Inventors: Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Du-Hyun Won, Lawrence Alan Hough, Jong-Hyun Lee
  • Publication number: 20230006255
    Abstract: An electrochemical cell comprises an anode, a cathode and an electrolyte composition, wherein the anode comprises as anode active material a combination of at least a carbon material and a silicon material; and the electrolyte composition comprises a solvent, from 0.5 wt. % to 70 wt. %, based on the total weight of the electrolyte, of a fluorinated acyclic carboxylic acid ester compound, from 0.5 wt. % 10 wt. %, based on the total weight of the electrolyte, of a fluorinated cyclic carbonate compound; and an electrolyte salt.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 5, 2023
    Applicant: Solvay SA
    Inventors: Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Lawrence Alan Hough, Du-Hyun Won, Jong-Hyun Lee
  • Publication number: 20220021026
    Abstract: A gel polymer electrolyte for a lithium electrochemical cell, comprising: a) a three-dimensional cross-linked polymer network within a liquid electrolyte obtained by forming a reaction product of at least one fluorinated copolymer with at least one isocyanate compound comprising at least two isocyanate functional groups, and b) a liquid electrolyte solution included in the polymer network a), wherein the fluorinated copolymer comprises: i) at least one first recurring unit derived from at least one ethylenically unsaturated fluorinated monomer; and ii) at least one second recurring unit derived from at least one ethylenically unsaturated monomer having a hydroxyl group. A process for the manufacture of the gel polymer electrolyte for a lithium electrochemical cell; a lithium electrochemical cell comprising a cathode, an anode, and the present gel polymer electrolyte; and use of the gel electrolyte polymer in a lithium electrochemical cell as a separator and an electrolyte.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 20, 2022
    Inventors: Guillaume MÜLLER, Lawrence Alan HOUGH, Hyun-Cheol LEE, So-young LEE, Ji-Hye WON
  • Publication number: 20210234200
    Abstract: A liquid electrolyte lithium secondary battery cell comprising: —a positive electrode material comprising a lithium transition metal-based oxide powder having a general formula Li1+a ((Niz (Ni0.5Mn0.5)y Cox)1-k Ak)1-a O2, wherein A is a dopant, ?0.025?a?0.025, 0.18?x?0.22, 0.42?z?0.52, 1.075<z/y<1.625, x+y+z=1 and k?0.01; and—an electrolyte composition comprising: a) at least one cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium compound selected from lithium phosphate compounds, lithium boron compounds, lithium sulfonate compounds and mixtures thereof, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Applicants: Umicore, Solvay S.A.
    Inventors: JiHye KIM, Jens PAULSEN, AReum PARK, Dae-Hyun KIM, Hee-Sung GIL, Jean-Sébastien BRIDEL, Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyuncheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Publication number: 20210234199
    Abstract: This invention relates to a non-aqueous liquid electrolyte composition suitable for secondary battery cells, especially lithium-ion secondary battery cells. Such electrolyte composition comprises a) at least one non-fluorinated cyclic carbonate and at least one fluorinated cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium borate compound, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride, all components being present in specific proportions. It can advantageously be used in batteries comprising a cathode material comprising a lithium nickel manganese cobalt oxide (NMC) or a lithium cobalt oxide (LCO), especially at a high operating voltage.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Inventors: Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyun-Cheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Publication number: 20210135291
    Abstract: A liquid electrolyte lithium secondary battery cell comprising: a positive electrode including a powderous positive active material having the following chemical formula: Li1?x(Co1-a-b-cNiaMnbM?c)1?xO2 with ?0.01?x?0.01, 0.00?a?0.09, 0.01?b?0.05, and 0.00?c?0.03 wherein M? is either one or more metals of the group consisting of Al, Mg, Ti and Zr; and an electrolyte composition comprising at least one cyclic carbonate; at least one fluorinated acyclic carboxylic acid ester; at least one electrolyte salt; at least one lithium compound selected from lithium phosphates compounds, lithium boron compounds, lithium sulfonates compounds and mixtures thereof; at least one cyclic sulfur compound; and optionally at least one cyclic carboxylic acid anhydride.
    Type: Application
    Filed: May 2, 2019
    Publication date: May 6, 2021
    Inventors: Jeong-Rae KIM, Jong-Ju LEE, Jean-Sébastien BRIDEL, Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyuncheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Publication number: 20200290980
    Abstract: Described herein are polycatenar ligand compounds and their use in the production of hybrid nanoparticles, typically nanocrystals. The present disclosure also relates to films containing the hybrid nanoparticles described herein and their use.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 17, 2020
    Inventors: Bertrand DONNIO, Davit JISHKARIANI, Benjamin DIROLL, Christopher MURRAY, Lawrence Alan HOUGH, Matteo CARGNELLO, Stan NAJMR, Katherine C. ELBERT
  • Patent number: 10207919
    Abstract: The present disclosure relates to a hybrid nanoparticle comprising a metallic core and at least one lipophilic dendron attached to the surface of the metallic core, and methods of producing such hybrid nanoparticles. The present disclosure also relates to films containing the hybrid nanoparticles described herein.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: February 19, 2019
    Assignees: Rhodia Operations, Centre National De La Recherche Scientifique, The Trustees of the University of Pennsylvania
    Inventors: Bertrand Donnio, Davit Jishkariani, Benjamin Diroll, Lawrence Alan Hough, Christopher Murray, Matteo Cargnello, Ludivine Malassis
  • Patent number: 10130992
    Abstract: The present invention is directed to a process for making silver nanostructures, comprising reacting at least one polyol and at least one silver compound that is capable of producing silver metal when reduced, in the presence of a source of chloride or bromide ions, at least one copolymer, and at least one acid scavenger. The present invention is also directed to silver nanostructures made by the processes described herein.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: November 20, 2018
    Assignee: RHODIA OPERATIONS
    Inventors: Ahmed Alsayed, Adham Ahmed, Chantal Badre, Lawrence Alan Hough, Celine Anna Simone Burel
  • Publication number: 20180162726
    Abstract: The present disclosure relates to a hybrid nanoparticle comprising a metallic core and at least one lipophilic dendron attached to the surface of the metallic core, and methods of producing such hybrid nanoparticles. The present disclosure also relates to films containing the hybrid nanoparticles described herein.
    Type: Application
    Filed: June 10, 2016
    Publication date: June 14, 2018
    Inventors: Bertrand DONNIO, Davit JISHKARIANI, Benjamin DIROLL, Lawrence Alan HOUGH, Christopher MURRAY, Matteo CARGNELLO, Ludivine MALASSIS
  • Publication number: 20170246690
    Abstract: Described herein are methods of synthesizing metal nanoparticles and the metal nanoparticles synthesized therefrom. Further described in the present disclosure are methods of modifying the surfaces of metal nanoparticles and the metal nanoparticles modified thereby. Also described herein are uses of such metal nanoparticles.
    Type: Application
    Filed: June 19, 2015
    Publication date: August 31, 2017
    Inventors: Ryan J. MURPHY, Remi DREYFUS, Lawrence Alan HOUGH, Ludivine MALASSIS, Christopher MURRAY, Bertrand DONNIO
  • Publication number: 20170204241
    Abstract: Described herein are polymer complexes, including polymer gels and polymer foams, containing electrically conductive polymers and ionic liquids. The polymer complexes described herein are useful as components of electronic devices.
    Type: Application
    Filed: July 9, 2015
    Publication date: July 20, 2017
    Inventors: Amelie NICOLAY, Bertrand PAVAGEAU, Chantal BADRE, Lawrence Alan HOUGH
  • Publication number: 20170088719
    Abstract: A polymer film containing a mixture of (a) at least one electrically conductive polymer, and (b) at least one organic salt having a melting point of greater than 100 C is made by forming a layer of a polymer composition that contains (a) a liquid carrier comprising water and at least one water miscible polar organic liquid, (b) the at least one electrically conductive polymer dissolved or dispersed in the liquid carrier, and (c) the at least one organic salt having a melting point of greater than 100 C dissolved in the liquid carrier, and (2) removing the liquid carrier from the layer. The polymer film is useful as a layer in a laminar electronic device.
    Type: Application
    Filed: May 21, 2015
    Publication date: March 30, 2017
    Inventors: Ahmed ALSAYED, Lawrence Alan HOUGH, Chantal BADRE
  • Publication number: 20170062090
    Abstract: A polymer film that contains a mixture of (i) an electrically conductive polymer, and (ii) anisotropic electrically conductive nanostructures, is disclosed, as well as a polymer composition that contains (a) a liquid carrier, (b) an electrically conductive polymer dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and a method for making polymer film, that includes the steps of: (1) forming a layer of a polymer composition that contains (a) a liquid carrier, (b) one or more electrically conductive polymers dissolved or dispersed in the liquid carrier, and (c) anisotropic electrically conductive nanostructures dispersed in the liquid carrier, and (2) removing the liquid carrier from the layer.
    Type: Application
    Filed: November 2, 2016
    Publication date: March 2, 2017
    Inventors: AHMED ALSAYED, LAWRENCE ALAN HOUGH, CHANTAL BADRE
  • Publication number: 20160325352
    Abstract: The present invention is directed to a process for making silver nanostructures, comprising reacting at least one polyol and at least one silver compound that is capable of producing silver metal when reduced, in the presence of a source of chloride or bromide ions, at least one copolymer, and at least one acid scavenger. The present invention is also directed to silver nanostructures made by the processes described herein.
    Type: Application
    Filed: December 15, 2014
    Publication date: November 10, 2016
    Inventors: Ahmed ALSAYED, Adham AHMED, Chantal BADRE, Lawrence Alan HOUGH, Celine Anna Simone BUREL
  • Publication number: 20160312006
    Abstract: Described herein are polymer films, polymer gels, and polymer foams each containing electrically conductive polymers and salts comprising sulfonylimide anions. The polymer films, polymer gels, and polymer foams are each useful as components of electronic devices.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 27, 2016
    Inventors: Chantal BADRE, Ahmed ALSAYED, Lawrence Alan HOUGH
  • Patent number: 9428684
    Abstract: An aqueous fluid composition useful for the recovery of hydrocarbons from a subterranean formation, including a mixture of water, a water soluble polymer, an inorganic salt and at least one zwitterionic surfactant and methods of using same.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: August 30, 2016
    Assignee: RHODIA OPERATION
    Inventors: Lawrence Alan Hough, Gilda Maria Lizarraga, Herve Adam, Jean-Christophe Castaing, Subramanian Kesavan
  • Patent number: 9080135
    Abstract: Composition including freeze thaw stability polymer such as a copolymer having a weight average molecular weight of at least about 30,000 grams per mole, a blend of a first polymer and a second polymer, a crosslinked alkali swellable acrylate copolymer, or at least one polymerizable reactive alkoxylated acrylate monomer. The copolymer has one or more first monomeric units and one or more second monomeric units. The one or more first monomeric units each independently including at least one bicycloheptyl-polyether, bicycloheptenyl-polyether or branched (C5-C50)alkyl-polyether group per monomeric unit. The bicycloheptyl-polyether or bicycloheptenyl-polyether group may optionally be substituted on one or more ring carbon atoms by one or two (C1-C6)alkyl groups per carbon atom. The one or more second monomeric units each independently including at least one pendant linear or branched (C5-C50)alkyl-polyether group per monomeric unit.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: July 14, 2015
    Assignee: RHODIA OPERATIONS
    Inventors: Lawrence Alan Hough, Wojciech Bzducha, Pascal Herve, Pierre Hennaux, Mary O'Rourke, Ericka Park