Patents Assigned to Electricite de France
  • Patent number: 9344428
    Abstract: A method of processing data in order to digitally certify the association of at least one entity with a place, the method comprising the receipt of at least one piece of positioning data coming from at least one locating device located in the proximity of said place, the generation of a digital certificate associating the entity with said place according to the positioning data received, and the checking of the association of the entity with said place, by means of said digital certificate, in order to obtain a service dependent on the association of the entity with said place.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: May 17, 2016
    Assignee: Electricite de France
    Inventors: Arnaud Tarrago, Pascal Sitbon, Frédéric Silvi
  • Patent number: 9297764
    Abstract: The invention relates to a method for determining the maximum open circuit voltage and the power that can be output by a photoconverter material subject to a measurement light intensity, the method including the following steps: measuring the photoluminescent intensity of the material, measuring the absorption rate of the photoconverter material at a second wavelength substantially equal to the photoluminescent wavelength of the photoconverter material, determining the maximum open circuit voltage of the photoconverter material with the measurement light intensity by means of the absorption rate and the photoluminescent intensity measured at substantially the same wavelength; said invention being characterized in that the light source and the photoconverter material are arranged such that the angular distributions of the rays incident on and emitted by the lit surface of the material and collected by the detector are substantially identical.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: March 29, 2016
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS—, ELECTRICITE DE FRANCE, UNIVERSITE DE VERSAILLES SAINT-QUENTIN-EN-YVELINES
    Inventors: Jean-François Guillemoles, Arnaud Etcheberry, Isabelle Gerard, Pierre Tran-Van
  • Publication number: 20160083861
    Abstract: A method and device for electrodeposition in cylindrical geometry. A method for electrochemically depositing a thin layer on a flexible substrate, comprising: providing, in an electrolysis bath, a first closed cylinder in a second hollow cylinder, applying the flexible substrate to one of the surfaces chosen from the outer surface of the first cylinder and the inner surface of the second, the flexible substrate forming a first electrode, providing, in the electrolysis bath, a second electrode, and applying a potential difference between the first electrode and the second electrode in order to electrodeposit the thin layer on the flexible substrate.
    Type: Application
    Filed: March 25, 2014
    Publication date: March 24, 2016
    Applicants: Electricite de France, Centre National de la Recherche Scientifique -CNRS-
    Inventors: Gregory Savidand, Nicolas Loones, Daniel Lincot, Elisabeth Chassaing
  • Patent number: 9293757
    Abstract: The present invention relates to a rechargeable accumulator comprising one or more metal-air cells, each cell comprising a metallic negative electrode, a first positive electrode for releasing oxygen, a second positive electrode which is a porous air electrode containing at least one oxygen reducing catalyst, and an automatic device for protecting the air electrode during the charging and discharging phases of the accumulator. The invention also relates to a method for storing and releasing electrical energy using such an accumulator.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: March 22, 2016
    Assignee: ELECTRICITE DE FRANCE
    Inventors: Gwenaelle Toussaint, Philippe Stevens, Bernard Toussaint
  • Patent number: 9270271
    Abstract: The method relates to a method for the radiation hardening of an electronic circuit by partitioning, said circuit including an odd number K of parallel branches connected to a same primary input I and each including a same series of N modules and N?1 nodes linking two consecutive modules, the K branches together forming a series of N?1 gates respectively consisting of parallel K nodes, and a primary arbiter forming a majority vote from the output signal of the K branches, the method being characterized in that it includes the following steps which are repeated for each one of the gates: determining a reliability of a subcircuit upstream from the gate consisting of the portions of the K branches located between the primary input and the gate, and the insertion of at least one arbiter at the gate forming a majority vote from the output signals of said portions of branches constituting the scanned subcircuit and outputting at least one majority signal to the respective inputs of an additional subcircuit formed b
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: February 23, 2016
    Assignee: Electricite De France
    Inventors: Bastien Cousin, Gilles Deleuze, Laurent Cretinon, Gutemberg Goncalves Dos Santos, Jr., Lirida Naviner
  • Publication number: 20160049679
    Abstract: The invention relates to a method for producing an anion-exchange polymer material having an IPN or semi-IPN structure, said method consisting in: (A) preparing a homogeneous reaction solution containing, in a suitable organic solvent, (a) at least one organic polymer bearing reactive halogen groups, (b) at least one tertiary diamine, (c) at least one monomer comprising an ethylenic unsaturation polymerizable by free radical polymerization, (d) optionally at least one cross-linking agent including at least two ethylenic unsaturations polymerizable by free radical polymerization, and e) at least one free radical polymerization initiator; and (B) heating the prepared solution to a temperature and for a duration that are sufficient to allow both a nucleophilic substitution reaction between components (a) and (b) and a free radical copolymerization reaction of components (c) and optionally (d) initiated by component (e).
    Type: Application
    Filed: September 11, 2015
    Publication date: February 18, 2016
    Applicants: Electricite De France, Universite De Cergy Pontoise
    Inventors: Philippe STEVENS, Fouad GHAMOUSS, Odile FICHET, Christian SARRAZIN
  • Patent number: 9236642
    Abstract: The present invention relates to a precursor of a negative electrode compartment for rechargeable metal-air batteries, comprising a rigid casing (1), at least one solid electrolyte membrane (2), a protective covering (5), completely covering the inside face of the solid electrolyte membrane (2), a metallic current collector (3) applied against the inside face of the protective covering (5), preferably also a block (4) of elastic material applied against the current collector and essentially filling the entire internal space defined by the walls of the rigid casing and the solid electrolyte (2), and a flexible electronic conductor (6) passing in a sealed manner through one of the walls of the rigid casing. The present invention also relates to a negative electrode compartment having a rigid casing obtained from said precursor and to a battery containing such a negative electrode compartment.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: January 12, 2016
    Assignees: ELECTRICITE DE FRANCE, SAFT, INSTITUT POLYTECHNIQUE DE BORDEAUX
    Inventors: Gwenaelle Toussaint, Philippe Stevens, Georges Caillon, Patrick Viaud, Christophe Cantau, Philippe Vinatier
  • Patent number: 9178221
    Abstract: The present invention relates to an alkaline cation-conducting ceramic membrane covered, over at least a portion of the surface thereof, with a cation-conducting organic polyelectrolyte layer that is insoluble and chemically stable in pH-basic water. The invention also relates to an electrochemical device including such a membrane as a solid electrolyte in contact with a liquid electrolyte formed of an alkali metal hydroxide aqueous solution.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: November 3, 2015
    Assignee: Electricite De France
    Inventors: Gwenaelle Toussaint, Philippe Stevens
  • Patent number: 9169527
    Abstract: A treatment of a heater tube intended to be used in a pressurizer of the primary cooling system of a nuclear reactor. In particular, the heater tube comprises a heater housed in a substantially cylindrical sheath. The material of which this sheath is made is a work-hardened austenitic stainless steel. In particular, the external surface of the sheath is liable to undergo a stress corrosion during use of the heatertube. The method includes a heat treatment step, preferably using induction heating, in which the external surface of the sheath is heat-treated so as to recrystallize the material of the sheath at least on the surface thereof.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: October 27, 2015
    Assignee: Electricite de France
    Inventors: Jacques Champredonde, Jean-Marie Fageon, Yves Neau
  • Publication number: 20150303539
    Abstract: A method for storing and releasing power using a metal-air battery, which includes: (a) a discharge phase during which a first positive air electrode is connected to the positive terminal of the battery and a second positive oxygen-release electrode is disconnected from the positive terminal of the battery; (b) a recharging phase during which the second positive oxygen-release electrode is connected to the positive terminal of the battery and the first positive air electrode is disconnected from the positive terminal of the battery, and during which the potential of the negative electrode is measured relative to the first positive air electrode. Also disclosed is a metal-air battery designed especially for implementing said method.
    Type: Application
    Filed: November 25, 2013
    Publication date: October 22, 2015
    Applicant: ELECTRICITE DE FRANCE
    Inventors: Philippe Stevens, Gwenaelle Toussaint
  • Publication number: 20150303530
    Abstract: A method for charging a zinc-air battery, wherein the potential of the negative electrode during the charging is lower than, or equal to, the value of a critical charging potential. Also disclosed is a method for storing and restoring electrical energy, comprising such a charging step, and to a zinc-air battery suitable for implementing said charging method, and a discharging phase.
    Type: Application
    Filed: November 25, 2013
    Publication date: October 22, 2015
    Applicant: ELECTRICITE DE FRANCE
    Inventors: Gwenaelle Toussaint, Philippe Stevens
  • Publication number: 20150295578
    Abstract: The method relates to a method for the radiation hardening of an electronic circuit by partitioning, said circuit including an odd number K of parallel branches connected to a same primary input I and each including a same series of N modules and N?1 nodes linking two consecutive modules, the K branches together forming a series of N?1 gates respectively consisting of parallel K nodes, and a primary arbiter forming a majority vote from the output signal of the K branches, the method being characterized in that it includes the following steps which are repeated for each one of the gates: determining a reliability of a subcircuit upstream from the gate consisting of the portions of the K branches located between the primary input and the gate, and the insertion of at least one arbiter at the gate forming a majority vote from the output signals of said portions of branches constituting the scanned subcircuit and outputting at least one majority signal to the respective inputs of an additional subcircuit formed b
    Type: Application
    Filed: November 29, 2013
    Publication date: October 15, 2015
    Applicant: ELECTRICITE DE FRANCE
    Inventors: Bastien Cousin, Gilles Deleuze, Laurent Cretinon, Gutemberg Goncalves Dos Santos, JR., Lirida Naviner
  • Patent number: 9136539
    Abstract: The invention relates to a half-cell including an electrode formed of an electron collector containing one or more transition metals from groups 4 to 12 of the Period Table of the Elements, and of an electrochemically active material present on the surface of the electron collector in the form of a nanostructured conversion film containing nanoparticles having an average diameter of between 1 nm and 1000 nm. The electrochemically active material contains at least one compound of the transition metal or the transition metals present in the electron collector. The invention further includes a continuous film of a lithium-ion conductive, solid electrolyte that is water- and air-impermeable and that is deposited directly onto, covering totally, the surface of the nanostructured active material of the electrode. The continuous film of solid electrolyte having a thickness of between 1 ?m and 50 ?m.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: September 15, 2015
    Assignee: Electricite de France
    Inventors: Stephane Lascaud, Philippe Stevens
  • Patent number: 9136550
    Abstract: The invention relates to a method for producing an anion-exchange polymer material having an IPN or semi-IPN structure, said method consisting in: (A) preparing a homogeneous reaction solution containing, in a suitable organic solvent, (a) at least one organic polymer bearing reactive halogen groups, (b) at least one tertiary diamine, (c) at least one monomer comprising an ethylenic unsaturation polymerizable by free radical polymerization, (d) optionally at least one cross-linking agent including at least two ethylenic unsaturations polymerizable by free radical polymerization, and e) at least one free radical polymerization initiator; and (B) heating the prepared solution to a temperature and for a duration that are sufficient to allow both a nucleophilic substitution reaction between components (a) and (b) and a free radical copolymerization reaction of components (c) and optionally (d) initiated by component (e).
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: September 15, 2015
    Assignees: Electricite De France, Universite De Cergy Pontoise
    Inventors: Philippe Stevens, Fouad Ghamouss, Odile Fichet, Christian Sarrazin
  • Publication number: 20150255639
    Abstract: A photovoltaic component that includes at least one first array of photovoltaic nano-cells is disclosed. Each photovoltaic component includes an optical nano-antenna exhibiting an electromagnetic resonance in a first resonant spectral band, at least one lateral dimension of the optical nano-antenna being subwavelength in size, and a spectral conversion layer allowing at least part of the solar spectrum to be converted to said first resonant spectral band.
    Type: Application
    Filed: September 27, 2013
    Publication date: September 10, 2015
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS, ELECTRICITÉ DE FRANCE - EDF, UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6
    Inventors: Jean-Luc Pelouard, Jean-François Guillemoles, Florian Proise, Myriam Paire, Daniel Lincot
  • Patent number: 9080703
    Abstract: A connecting device comprising at least a telescopic connecting system mounted on a carrier housing and capable of being actuated by an actuating mechanism for deployment and connection to a pipe. The telescopic connecting system is connected to a first portion of the actuating mechanism arranged inside the carrier housing and the actuating mechanism comprises a control rod crossing at least one wall of the carrier housing and connecting said first portion to a control system arranged on the outside of the carrier housing.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 14, 2015
    Assignee: Electricite de France
    Inventor: Christophe Legendre
  • Publication number: 20150176266
    Abstract: The invention relates to a thermal insulation device comprising at least one panel (100) defining a gas-tight chamber (104) containing at least two flexible films (150, 160) suitable for being selectively switched between two states: one of thermal conduction wherein said flexible films (150, 160) are at least partially in mutual contact, and the other of thermal insulation wherein the flexible films (150, 160) are separated, under the influence of pressure variations in said gas-tight chamber (104), applied by fluid control means (170), characterised in that, in the thermal insulation state, the distance separating the flexible films (150, 160) is shorter than the average free path of the gas molecules in the space (158) defined between said flexible films (150, 160). The invention also relates to a method.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 25, 2015
    Applicant: ELECTRICITE DE FRANCE
    Inventors: Thierry Duforestel, Pierre-Henri Milleville
  • Patent number: 9040014
    Abstract: Providing a roaster that operates at temperatures in the range of 800° Celsius to 2000° Celsius with inert, optional oxidizing and reducing gases to treat graphite contaminated with radionuclides including tritium, carbon-14, and chlorine-36. The combination of temperatures and gases allow for the removal of most to substantially all the carbon-14 within the graphite while substantially limiting gasifying the bulk graphite.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: May 26, 2015
    Assignee: Electricite de France
    Inventors: J. Bradley Mason, Thomas Brown, Sahar Torabzadeh, Jonathan Olander
  • Publication number: 20150090331
    Abstract: Thin-layer photovoltaic cell structure with mirror layer. The invention relates to a photovoltaic cell structure intended for solar panel applications. The thin layer photovoltaic cell structure comprises at least one I-III-VI2 alloy layer (CIGS) with photovoltaic properties for the conversion of illuminating light into electricity. In particular, the structure comprises at least: one mirror layer (MR) comprising a surface reflecting (FR) a part of the illuminating light, where said reflecting surface (FR) is facing a first face (F1) of the I-III-VI2 alloy layer for receiving reflected illuminating light on said first face; and one or more first layers (CA, ENC) transparent to the illuminating light for receiving transmitted illuminating light on a second face (F2) of the I-III-VI2 alloy layer opposite to the first face (F1).
    Type: Application
    Filed: March 28, 2013
    Publication date: April 2, 2015
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS, ELECTRICITE DE FRANCE
    Inventors: Negar Naghavi, Zacharie Jehl, Daniel Lincot, Jean-Francois Guillemoles
  • Patent number: 8977846
    Abstract: A method for the secure transfer of a digital file from a first computerized system to one second computerized system, the method comprising the following steps: writing the digital file on a first file-management module of a secure transfer device, transferring the digital file to an internal verification module of the secure transfer device, verifying one portion of the transferred digital file in the verification module, and transferring the partially verified digital file to a second file-management module of the secure transfer device according to the result of the verification, in order to allow the file to be read by the one second computerized system according to the result of the verification.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: March 10, 2015
    Assignee: Electricite de France
    Inventors: Arnaud Tarrago, Pascal Sitbon, Pierre Nguyen