Patents by Inventor Philippe Sonntag

Philippe Sonntag 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: 10629388
    Abstract: The invention relates to a gelled aqueous polymer composition for forming, by means of drying then pyrolysis, a monolithic porous carbon, to a pyrolysed carbonated composition produced by the drying, followed by the pyrolysis, of said gelled composition, to a porous carbon electrode for a supercapacitor comprising said pyrolysed composition, and to methods for producing said respectively gelled and pyrolysed compositions. A gelled composition according to the invention, produced from the polycondensation of polyhydroxybenzene(s) and hexymethylenetetramine, is such that the hexymethylenetetramine comprised therein represents a mass fraction of between 7% and 15% inclusive. Said gelled composition is produced by a) polycondensation in an aqueous solvent of the polyhydroxybenzene(s) and hexymethylenetetramine, followed by b) gelling by heating of said polycondensate.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: April 21, 2020
    Assignee: HUTCHINSON
    Inventors: Hugo Dorie, David Ayme-Perrot, Philippe Sonntag, Bruno Dufour
  • Publication number: 20200075929
    Abstract: Provided is a process for the degradation of at least one polymer of an alkene carbonate, a polymeric composition for a lithium-ion battery electrode having a degradation residue obtained by this process, a process for the preparation thereof, an electrode and a battery incorporating it and a degradation process for the sintering of ceramics. The degradation process includes a reaction at 120° C. and 270° C., and under air of a primary amine with a poly(alkene carbonate) polyol, which depolymerizes it in order to obtain a non-polymeric degradation residue. This composition includes an active material, an electrically conductive filler, a polymeric binder and a residue from the degradation under air between 120° C. and 270° C. of a sacrificial phase which includes the polymer and which has been melt blended beforehand with the active material, with the filler and with the binder in order to obtain a precursor mixture of the composition.
    Type: Application
    Filed: October 26, 2017
    Publication date: March 5, 2020
    Applicant: HUTCHINSON
    Inventors: Philippe SONNTAG, Bruno Dufour, Arnaud Prebe
  • Patent number: 10526505
    Abstract: A non-crosslinked, gelled carbonaceous composition and a pyrolyzed composition respectively forming an aqueous polymer gel and the pyrolysate thereof in the form of porous carbon is provided. Also provided is a production method thereof, to a porous carbon electrode formed by the pyrolyzed composition, and to a supercapacitor containing the electrodes. The gelled, non-crosslinked composition (G2) is based on a resin created at least partly from polyhydroxybenzene(s) R and formaldehyde(s) F and comprises at least one hydrosoluble cationic polyelectrolyte P. The composition forms a rheofluidifying physical gel. A pyrolyzed carbonaceous composition having a carbon monolith, is the product of coating, crosslinking, drying then pyrolysis of the non-crosslinked gelled composition, the carbon monolith being predominantly microporous and able to form a supercapacitor electrode having a thickness of less than 1 mm.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: January 7, 2020
    Assignee: Hutchinson
    Inventors: Bruno Dufour, Yannick Bureau, Hugo Dorie, Pierre-Axel Parodat, Philippe Sonntag
  • Publication number: 20190382614
    Abstract: The invention relates to a noncrosslinked gelled carbonaceous composition and a pyrolyzed composition respectively forming an aqueous polymer gel and the pyrolysate thereof in the form of porous carbon. The invention also relates to the production method thereof, to a porous carbon electrode formed by the pyrolyzed composition, and to a supercapacitor containing said electrodes. The gelled, noncrosslinked composition (G2) is based on a resin created at least partly from polyhydroxybenzene(s) R and formaldehyde(s) F and comprises at least one hydrosoluble cationic polyelectrolyte P. According to the invention, the composition forms a rheofluidifying physical gel. A pyrolyzed carbonaceous composition according to the invention, consisting of a carbon monolith, is the product of coating, crosslinking, drying and pyrolysis of the non-crosslinked gelled composition, the carbon monolith being predominantly microporous and able to form a supercapacitor electrode having a thickness of less than 1 mm.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Applicant: Hutchinson
    Inventors: Bruno Dufour, Yannick Bureau, Hugo Dorie, Pierre-Axel Parodat, Philippe Sonntag
  • Patent number: 10508436
    Abstract: Provided is a gelled carbon-based composition forming an organic polymeric monolithic gel capable of forming a porous carbon monolith by pyrolysis, a use thereof and a process for preparing this composition. A composition according to the invention is based on a resin derived at least partly from polyhydroxybenzene(s) R and formaldehyde(s) F, has a thermal conductivity of less than or equal to 40 mW·m?1·K?1, and includes at least one water-soluble cationic polyelectrolyte P. A process for preparing this composition comprises: a) polymerization, in an aqueous solvent, of the polyhydroxybenzene(s) and formaldehyde(s), in the presence of at least one cationic polyelectrolyte dissolved in this solvent and of a catalyst, in order to obtain a solution based on the resin, b) gelling of the solution in order to obtain a gel, and c) drying in order to obtain the organic polymeric monolithic gel.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: December 17, 2019
    Assignee: Hutchinson
    Inventors: Benjamin Swoboda, Bruno Dufour, Philippe Sonntag, Christophe Dominiak
  • Patent number: 10438752
    Abstract: Electrode for storing electrical energy including a metal current collector and an active material, the current collector being coated on at least one portion of one of its faces with at least one protective layer placed between the current collector and the active material, the protective layer including: (A) a polymer matrix including: (A1) at least one cross-linked epoxy polymer or copolymer, (A2) at least one elastomer, and (B) conductive fillers. This system is used in aqueous electrolyte supercapacitors, the protective layer allowing a very significant reduction in corrosion problems that are generally associated with the use of aqueous electrolytes to be achieved and the adhesion of the active material to the metal collector to be improved.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: October 8, 2019
    Assignee: HUTCHINSON
    Inventors: Carole Buffry, Bruno Dufour, Elodie Morisset, Philippe Sonntag
  • Patent number: 10363536
    Abstract: The invention relates to a gelled carbon-based composition forming an organic polymeric monolithic gel which is suitable for forming an aerogel by drying, to uses and to a process for preparing this carbon-based composition. The invention applies especially to the production of such gels having a very low density and a very low heat conductivity, a very high specific surface area and a satisfactory compression strength, for their use as thermal superinsulators or as carbon-based electrode precursors of supercondensers. A composition according to the invention comprises a resin at least partly derived from polyhydroxybenzenes H and from formaldehyde(s) F, said polyhydroxybenzenes comprising at least one unsubstituted polyhydroxybenzene R? and at least one polyhydroxybenzene substituted with one or two alkyl groups.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: July 30, 2019
    Assignee: HUTCHINSON
    Inventors: Bruno Dufour, Hugo Dorie, Philippe Sonntag
  • Publication number: 20190165366
    Abstract: Polymer composition for an electrode, method, and a lithium-ion battery including same are provided. This composition includes an active material having a graphite usable in the anode, an electrically conductive filler and a cross-linked elastomer binder that includes a hydrogenated acrylonitrile butadiene copolymer (HNBR). The binder includes a non-hydrogenated acrylonitrile butadiene copolymer (NBR) and/or an HNBR with an acrylonitrile content that is at least 40% by weight and cross-linked by thermal oxidation. This method includes: a) mixing the active material, the binder in a non-cross-linked state and the electrically conductive filler, to obtain a precursor mixture of the composition, b) depositing the mixture on a metal current collector so that the mixture forms a non-cross-linked film, then c) thermal oxidation of the non-cross-linked film under an atmosphere containing oxygen at a temperature of between 200 and 300° C., to obtain the electrode in which the binder is cross-linked.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 30, 2019
    Applicant: HUTCHINSON
    Inventors: Philippe SONNTAG, Julie COURTAT, Marc ZIMMERMANN, Ksenia ASTAFYEVA, Bruno Dufour, David AYME-PERROT
  • Patent number: 10294165
    Abstract: The present invention relates to a flexible composite organic aerogel (1) comprising: a textile reinforcement (5), an organic aerogel (3) placed within said textile reinforcement (3), said organic aerogel (3) being based on a resin resulting at least in part from polyhydroxybenzene(s) R and formaldehyde(s) F, said organic aerogel (3) being a polymeric organic gel comprising at least one water-soluble cationic polyelectrolyte, or said organic aerogel (3) being a pyrolysate of said gel in the form of a porous carbon monolith comprising the product of the pyrolysis of said at least one water-soluble cationic polyelectrolyte P, said organic aerogel (3) exhibiting a specific thermal conductivity of between 10 and 40 mW·m?1·K?1 at atmospheric pressure.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: May 21, 2019
    Assignee: HUTCHINSON
    Inventors: Benjamin Swoboda, Cedric Huillet, Philippe Sonntag, Arthur Van Eibergen
  • Publication number: 20190127528
    Abstract: A gelled aqueous polymer composition made from a resin produced by polycondensation of at least: a polyhydroxybenzene R, preferably resorcinol, hexamethylenetetramine HMTA, an anionic polyelectrolyte PA, preferably phytic acid. An aerogel obtained by drying these microparticles, and porous carbon microspheres obtained from the gel microparticles by pyrolysis. A method for producing a polymerised aqueous gel, an aerogel and porous carbon microspheres. Electrodes and electrochemical cell prepared from the porous carbon particles.
    Type: Application
    Filed: April 14, 2017
    Publication date: May 2, 2019
    Applicant: HUTCHINSON
    Inventors: Ksenia ASTAFYEVA, Bruno DUFOUR, Sara-Lyne STALMACH, Philippe SONNTAG
  • Patent number: 10230094
    Abstract: The invention relates to a cathode that is usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and on a non-aqueous solvent, to a process for manufacturing this cathode and to a lithium-ion battery having one or more cells incorporating this cathode. This cathode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives including a polymer binder and an electrically conductive filler. According to the invention, the binder is based on at least one crosslinked elastomer and the additives furthermore comprise at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 90%.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: March 12, 2019
    Assignee: Hutchinson
    Inventors: Baptiste Voillequin, David Ayme-Perrot, Bruno Dufour, Philippe Sonntag
  • Publication number: 20180291172
    Abstract: Porous polymeric materials having a very high content of thermally conductive and/or electrically conductive fillers. Process for the preparation of the porous composite material including at least one binder-forming polymeric phase and one or more fillers, this process including the stages of hot mixing, by the molten route, the polymeric phase, the fillers and a sacrificial polymeric phase, so as to obtain a mixture, of shaping the mixture and of removing the sacrificial polymeric phase.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 11, 2018
    Applicant: HUTCHINSON
    Inventors: Arnaud PREBE, Bruno DUFOUR, David AYME-PERROT, Yannick BUREAU, Philippe SONNTAG
  • Patent number: 10079118
    Abstract: The present invention relates to a conductive electrode for a system for the storage of electrical energy (1) having an aqueous electrolyte solution, said electrode comprising a metal current collector (3) and an active material (7), said current collector (3) comprising at least one conductive protective layer (5) which is leaktight to electrolytes and which is placed between said metal current collector (3) and said active material (7), said conductive protective layer (5) comprising: a polymer or copolymer binder comprising at least 50% of vinyl chloride unit, a crosslinked elastomer, at least one agent for crosslinking said crosslinked elastomer, conductive fillers.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: September 18, 2018
    Assignee: HUTCHINSON
    Inventors: Bruno Dufour, Carole Buffry, Marie Dieudonne, Philippe Sonntag
  • Publication number: 20180094180
    Abstract: The invention relates to a material including a support consisting of a porous composite material including at least one polymer phase forming a binder based on at least one polymer selected from thermoplastic polymers, elastomers, and elastomer thermoplastics, and at least one filler selected from thermally conductive fillers, the pores of the support consisting of the porous composite material being partially or entirely filled with at least one phase-change material. The invention also relates to a method for producing said material.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 5, 2018
    Applicant: HUTCHINSON
    Inventors: Arnaud PREBE, Bruno DUFOUR, Fabrice CHOPARD, Nicolas GAROIS, Philippe SONNTAG
  • Patent number: 9905332
    Abstract: The present invention relates to a multilayer conductive transparent electrode comprising: a substrate layer (1), a conductive layer (2) comprising at least one optionally substituted polythiophene conductive polymer, and the conductive layer (2) being in direct contact with the substrate layer (1) and the conductive layer (2) also comprising at least one hydrophobic adhesive polymer which has chemical compatibility with the optionally substituted polythiophene conductive polymer, such that said multilayer conductive transparent electrode has a coefficient of haze of less than or equal to 3%. The invention also relates to the process for manufacturing such a multilayer conductive transparent electrode.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: February 27, 2018
    Assignee: Hutchinson
    Inventors: Jérémie Jacquemond, Stéphane Roger, Bruno Dufour, Philippe Sonntag
  • Publication number: 20170330699
    Abstract: Electrode for storing electrical energy including a metal current collector and an active material, the current collector being coated on at least one portion of one of its faces with at least one protective layer placed between the current collector and the active material, the protective layer including: (A) a polymer matrix including: (A1) at least one cross-linked epoxy polymer or copolymer, (A2) at least one elastomer, and (B) conductive fillers. This system is used in aqueous electrolyte supercapacitors, the protective layer allowing a very significant reduction in corrosion problems that are generally associated with the use of aqueous electrolytes to be achieved and the adhesion of the active material to the metal collector to be improved.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 16, 2017
    Applicant: HUTCHINSON
    Inventors: Carole BUFFRY, Bruno DUFOUR, Elodie MORISSET, Philippe SONNTAG
  • Publication number: 20170197839
    Abstract: The invention relates to a gelled aqueous polymer composition for forming, by means of drying then pyrolysis, a monolithic porous carbon, to a pyrolysed carbonated composition produced by the drying, followed by the pyrolysis, of said gelled composition, to a porous carbon electrode for a supercapacitor comprising said pyrolysed composition, and to methods for producing said respectively gelled and pyrolysed compositions. A gelled composition according to the invention, produced from the polycondensation of polyhydroxybenzene(s) and hexymethylenetetramine, is such that the hexymethylenetetramine comprised therein represents a mass fraction of between 7% and 15% inclusive. Said gelled composition is produced by a) polycondensation in an aqueous solvent of the polyhydroxybenzene(s) and hexymethylenetetramine, followed by b) gelling by heating of said polycondensate.
    Type: Application
    Filed: June 10, 2015
    Publication date: July 13, 2017
    Applicant: HUTCHINSON
    Inventors: Hugo DORIE, David AYME-PERROT, Philippe SONNTAG, Bruno DUFOUR
  • Publication number: 20170174576
    Abstract: The present invention relates to a flexible composite organic aerogel (1) comprising: a textile reinforcement (5), an organic aerogel (3) placed within said textile reinforcement (3), said organic aerogel (3) being based on a resin resulting at least in part from polyhydroxybenzene(s) R and formaldehyde(s) F, said organic aerogel (3) being a polymeric organic gel comprising at least one water-soluble cationic polyelectrolyte, or said organic aerogel (3) being a pyrolysate of said gel in the form of a porous carbon monolith comprising the product of the pyrolysis of said at least one water-soluble cationic polyelectrolyte P, said organic aerogel (3) exhibiting a specific thermal conductivity of between 10 and 40 mW·m?1·K?1 at atmospheric pressure.
    Type: Application
    Filed: February 12, 2014
    Publication date: June 22, 2017
    Applicant: HUTCHINSON
    Inventors: Benjamin SWOBODA, Cedric HUILLET, Philippe SONNTAG, Arthur VAN EIBERGEN
  • Patent number: 9666855
    Abstract: An anode usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and a non-aqueous solvent, to a process for manufacturing this anode and to a lithium-ion battery having one or more cells incorporating this anode. This anode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives having a polymer binder and an electrically conductive filler. The binder is based on at least one crosslinked elastomer and the additives furthermore include at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 85%.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: May 30, 2017
    Assignee: Hutchinson
    Inventors: Baptiste Voillequin, David Ayme-Perrot, Bruno Dufour, Philippe Sonntag
  • Publication number: 20170141388
    Abstract: Method for preparing an intermetallic material SnSb, said method comprising at least the following steps: a/mixing the precursors Sn and Sb, b/treating the mixture from step a/with microwaves. The intermetallic phase obtained may be used for the manufacture of electrodes.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 18, 2017
    Applicants: Hutchinson, Centre National de la Recherche Scientifique, Université De Montpellier
    Inventors: David Ayme-Perrot, Philippe Sonntag, Philippe Antitomaso, Laure Monconduit, Francoise Morato-Lallemand, Philippe Girard