Patents by Inventor Thibaut Gutel
Thibaut Gutel 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).
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Publication number: 20230402605Abstract: A battery with a bipolar architecture that comprises two terminal current collectors between which a stack of n electrochemical cells is arranged, n being an integer at least equal to 2, wherein: each electrochemical cell comprises a positive electrode, a negative electrode and an electrolytic component arranged between the positive electrode and the negative electrode; the n electrochemical cells are separated from one another by (n1) bipolar current collectors; and wherein the positive electrode and the negative electrode of each electrochemical cell comprise a common active material as active material, which is a redox-active organic compound comprising, respectively, at least one group able to capture electrons and at least one group able to donate electrons.Type: ApplicationFiled: October 28, 2021Publication date: December 14, 2023Inventors: Thibaut Gutel, Jérémie Salomon, Adrien Sartre
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SPECIFIC POSITIVE ELECTRODES COMPRISING A SPECIFIC SALT FOR ACCUMULATOR OF THE ALKALI METAL ION TYPE
Publication number: 20230187698Abstract: The invention relates to a positive electrode for alkali metal-ion accumulator comprising at least one organic binder and at least one alkali metal salt meeting the following formula (I): wherein the X represent an alkali element.Type: ApplicationFiled: December 1, 2022Publication date: June 15, 2023Inventors: Thibaut Gutel, Daniel Tomasi -
Publication number: 20200388820Abstract: A current collector for an accumulator with ion insertion or deinsertion, the collector being coated on at least one of the faces thereof with an inactive layer intended for providing a junction between the current collector and an electrode, the inactive layer comprising at least one organic binder and at least one salt, one of the ions of which is that which is involved in the process of ion insertion or deinsertion in the active material of the electrode.Type: ApplicationFiled: December 7, 2018Publication date: December 10, 2020Inventors: Thibaut Gutel, Willy Porcher
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Publication number: 20200152984Abstract: The present invention relates to a method for using a battery which has an electrode that functions according to a mechanism of complexation of anions and within which the electrode active material is a polyviologen, characterized in that said polyviologen is a material that is insoluble in the electrolyte of said battery and in that the electrochemical conditions for use of said battery are adjusted so that its charge/discharge cycling process is established on the basis of the 1-electron redox reaction between the 1-electron oxidized form of the viologen units of said polyviologen, termed cation radical, and their totally reduced form, termed neutral form of the polyviologen.Type: ApplicationFiled: November 8, 2019Publication date: May 14, 2020Inventors: Thibaut GUTEL, Lionel DUBOIS, Vincent CADIOU, Philippe POIZOT
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Patent number: 10305091Abstract: The present invention concerns the use, as an active electrode material, of compounds comprising at least one entity of formula (I): in which the phenyl group is substituted with one to four identical or different substituent(s) R, chosen from a hydrogen atom, a halogen atom chosen from fluorine, chlorine, bromine or iodine, a —C(?S)—S—C+ group, an —O—C+ group, an —S—C+ group, C+ being an alkali cation chosen from Li+, Na+ and K+, a (C1-C12) alkyl radical, a (C2-C12) alkenyl radical, a (C6-C14) aryl or heteroaryl radical; or two vicinal substituents R that can, if appropriate, be linked to each other to together form a 3- to 7-membered ring optionally including another heteroatom chosen from N, O or S; in the base or salt form; and the tautomeric forms of same. It also concerns an electrode material, an electrode and a lithium, sodium or potassium secondary battery, obtained from these compounds.Type: GrantFiled: October 29, 2014Date of Patent: May 28, 2019Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Thibaut Gutel, Lionel Dubois, Adriana Iordache
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Publication number: 20180358658Abstract: An electrochemical cell for a lithium battery, comprising a positive electrode and a negative electrode separated from each other by an electrolyte consisting solely of at least one lithium salt and at least one compound selected from compounds of the cyclic ether family comprising at least one ring having an oxygen atom and at least one unsaturation.Type: ApplicationFiled: December 6, 2016Publication date: December 13, 2018Inventors: Thibaut Gutel, Laura Boutafa, Daniel Tomasi
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Patent number: 9640797Abstract: The present invention relates to a polymer possessing a linear backbone selected from the homopolymers belonging to the family of polyfluorenes, polycarbazoles, polyanilines, polyphenylenes, polyisothionaphthenes, polyacetylenes, polyphenylene vinylenes, and copolymers thereof, said backbone bearing at least one side group possessing at least one nitroxide function. It also relates to an electrode material, an electrode and a lithium secondary battery obtained from such a polymer.Type: GrantFiled: April 10, 2013Date of Patent: May 2, 2017Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Thibaut Gutel, Yann Kervella, Lionel Picard, Jean-Benoit Denis
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Publication number: 20160254531Abstract: The present invention concerns the use, as an active electrode material, of compounds comprising at least one entity of formula (I): in which the phenyl group is substituted with one to four identical or different substituent(s) R, chosen from a hydrogen atom, a halogen atom chosen from fluorine, chlorine, bromine or iodine, a —C(?S)—S—C+ group, an —O—C+ group, an —S—C+ group, C+ being an alkali cation chosen from Li+, Na+ and K+, a (C1-C 12) alkyl radical, a (C2-C12) alkenyl radical, a (C6-C14) aryl or heteroaryl radical; or two vicinal substituents R that can, if appropriate, be linked to each other to together form a 3- to 7-membered ring optionally including another heteroatom chosen from N, O or S; in the base or salt form; and the tautomeric forms of same. It also concerns an electrode material, an electrode and a lithium, sodium or potassium secondary battery, obtained from these compounds.Type: ApplicationFiled: October 29, 2014Publication date: September 1, 2016Applicant: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Thibaut GUTEL, Lionel DUBOIS, Adriana IORDACHE
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Publication number: 20150108413Abstract: The present invention relates to a polymer possessing a linear backbone selected from the homopolymers belonging to the family of polyfluorenes, polycarbazoles, polyanilines, polyphenylenes, polyisothionaphthenes, polyacetylenes, polyphenylene vinylenes, and copolymers thereof, said backbone bearing at least one side group possessing at least one nitroxide function. It also relates to an electrode material, an electrode and a lithium secondary battery obtained from such a polymer.Type: ApplicationFiled: April 10, 2013Publication date: April 23, 2015Inventors: Thibaut Gutel, Yann Kervella, Lionel Picard, Jean-Benoit Denis
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Publication number: 20140370678Abstract: A method for producing a memory device with nanoparticles, comprising the steps of: a) forming, in a semi-conductor substrate, source and drain regions, and at least one first dielectric on a zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) deposition of an ionic liquid, comprising nanoparticles of an electrically conductive material in suspension, covering the first dielectric, c) formation of a deposition of nanoparticles on the first dielectric, d) removal of the remaining ionic liquid, e) forming a second dielectric and a control gate on at least one part of the deposition of nanoparticles.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE AUX ENERGIES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Simon Deleonibus, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini
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Publication number: 20140295281Abstract: The invention relates to a lithiated manganese phosphate and to a composite material comprising same. The lithiated manganese phosphate of the invention has formula I: Li1-xMn1-yDyPO4, wherein D represents a dopant and 0?x?1.0?y<0.15, and it is formed by non-agglomerated particles in the form of small plates. The invention is particularly suitable for use in the field of lithium batteries.Type: ApplicationFiled: July 11, 2012Publication date: October 2, 2014Applicant: COMMISSARIAT A L'ENEGIE ATOMIQUE ET AUZ ENERGIES AL TERNATIVESInventors: Thibaut Gutel, Etienne Radvanyi
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Publication number: 20140199595Abstract: The invention relates to a method of manufacture of a compound of formula LiM1-x-y-zNyQzFexPO4, the compound thus obtained, and to a method of manufacture of a composite material comprising LiM1-x-y-zNyQzFexPO4 and carbon, the composite material thus obtained, as well as an electrode comprising this composite material, and a lithium battery comprising such an electrode, in which: M is a transition element selected from Co, Ni, Mn and Fe; N is a doping element different from M and Q; Q is a transition element selected from Co, Ni, Mn and Fe but different from M; 0?x?1; 0?y?0.15; 0?z?1; and 0<x+y+z?1.Type: ApplicationFiled: January 16, 2014Publication date: July 17, 2014Applicant: Commissariat A L'Energie Atomique et aux Energies AlternativesInventors: Lorraine Raboin, Thibaut Gutel
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Patent number: 8518816Abstract: A method for making electrical interconnections of carbon nanotubes, including a) depositing an ionic liquid including nanoparticles of at least one suspended electrically conducting material, covering at least one surface of an element configured to be used as a support for carbon nanotubes, b) forming a deposit of the nanoparticles at least against the surface of the element, c) removing the remaining ionic liquid, d) growing carbon nanotubes from the deposited nanoparticles, and further including between the c) removing the remaining ionic liquid and the d) growing carbon nanotubes, passivating the deposited nanoparticles not found against the surface of the element.Type: GrantFiled: March 24, 2010Date of Patent: August 27, 2013Assignees: Commissariat a l'Energie Atomique et aux Energies Alternatives, Centre National de la Recherche ScientifiqueInventors: Paul-Henri Haumesser, Jean-Marie Basset, Paul Campbell, Simon Deleonibus, Thibaut Gutel, Gilles Marchand, Catherine Santini
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Patent number: 8389368Abstract: A method for producing a memory device with nanoparticles, including steps of: a) forming, in a substrate based on at least one semi-conductor, source and drain regions, and at least one first dielectric on at least one zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) depositing of at least one ionic liquid that is an organic salt or mixture of organic salts in a liquid state, wherein nanoparticles of at least one electrically conductive material are suspended in the ionic liquid, said ionic liquid covering at least said first dielectric, c) forming a deposition of said nanoparticles at least on said first dielectric, d) removing the ionic liquid remaining on the first dielectric, and e) forming at least one second dielectric and at least one control gate on at least one part of the nanoparticles deposited on the first dielectric.Type: GrantFiled: March 19, 2010Date of Patent: March 5, 2013Assignees: Commissariat à l'énergie atomique et aux energies alternatives, Centre National de la Recherche ScientifiqueInventors: Simon Deleonibus, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini
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Publication number: 20120094479Abstract: A method for making electrical interconnections of carbon nanotubes, including a) depositing an ionic liquid including nanoparticles of at least one suspended electrically conducting material, covering at least one surface of an element configured to be used as a support for carbon nanotubes, b) forming a deposit of the nanoparticles at least against the surface of the element, c) removing the remaining ionic liquid, d) growing carbon nanotubes from the deposited nanoparticles, and further including between the c) removing the remaining ionic liquid and the d) growing carbon nanotubes, passivating the deposited nanoparticles not found against the surface of the element.Type: ApplicationFiled: March 24, 2010Publication date: April 19, 2012Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE ALTInventors: Paul-Henri Haumesser, Jean-Marie Basset, Paul Campbell, Simon Deleonibus, Thibaut Gutel, Gilles Marchand, Catherine Santini
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Publication number: 20110033996Abstract: A method for producing a memory device with nanoparticles, comprising the steps of: a) forming, in a semi-conductor substrate, source and drain regions, and at least one first dielectric on a zone of the substrate arranged between the source and drain regions and intended to form a channel of the memory device, b) deposition of an ionic liquid, comprising nanoparticles of an electrically conductive material in suspension, covering the first dielectric, c) formation of a deposition of nanoparticles on the first dielectric, d) removal of the remaining ionic liquid, e) forming a second dielectric and a control gate on at least one part of the deposition of nanoparticles.Type: ApplicationFiled: March 19, 2010Publication date: February 10, 2011Applicants: COMMISSARIAT A L' ENERGIE ATOMIQUE ET AUX ENERGIES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Simon DELEONIBUS, Jean-Marie Basset, Paul Campbell, Thibaut Gutel, Paul-Henri Haumesser, Gilles Marchand, Catherine Santini