74 patents
Page 2 of 4
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Electrochemical Device Having at Least One Gelled Electrode
30 Mar 23
The present invention relates to an electrochemical device comprising a) a positive electrode, b) a negative electrode, c) a separator, and d) a liquid electrolyte, wherein at least one of said positive electrode and said negative electrode is a gelled electrode comprising an electronic conductive substrate and directly adhered onto the electronic conductive substrate, at least one layer of a gelled electrode-forming composition, and wherein the d) liquid electrolyte comprises at least one organic carbonate and/or at least one ionic liquid, and at least one metal salt.
Marc-David Braida, Dominique Bascour, Julio A. Abusleme, Hélène Rouault, Benjamin Amestoy, Gaëlle Besnard, Côme-Emmanuel Leys, Jérémie Salomon
Filed: 8 Jan 21
Utility
Specific Separator Comprising an Electrolyte for an Electrochemical Accumulator and Electrochemical Cell for an Accumulator Comprising Such a Separator
30 Mar 23
The invention relates to a separator for an electrochemical accumulator comprising a substrate provided with cavities, said substrate consisting of one or more polymers, at least one of which is a polymer from the family of polyaryletherketones, all or part of said cavities being filled in whole or in part by a gelled polymer electrolyte.
Jérémie Salomon, Benjamin Amestoy, Gaëlle Besnard, Marc-David Braida, Hélène Rouault
Filed: 30 Nov 20
Utility
Polymer Additive Comprising Zwitterionic Moieties for PVDF Based Membranes
23 Mar 23
The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases.
Sophie Deroo, Emanuele Di Nicolo, Marie-Pierre Labeau, Bertrand Pavageau, Rawad Tadmouri, David James Wilson
Filed: 15 Dec 20
Utility
Polymer Additive Comprising Zwitterionic Moieties for Vinylidene Fluoridepolymer Based Membranes
2 Mar 23
The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases.
Sophie Deroo, Emanuele Di Nicolo, Guillaume Gody, Marie-Pierre Labeau, Bertrand Pavageau, David James Wilson, Hamza Chouirfa
Filed: 15 Dec 20
Utility
Dialiphatic Ketone Mixtures, Compositions Comprising Same and Use Thereof
9 Feb 23
Mixtures of different dialiphatic ketones, compositions comprising such ketone mixtures and use of the mixtures or the compositions for cosmetics.
Elie Derrien, Sergio Mastroianni
Filed: 2 Dec 20
Utility
Aqueous Latex of Vinylidene Chloride Copolymer
26 Jan 23
Isabelle Chaduc, Jérôme Vinas
Filed: 17 Dec 20
Utility
Electrolyte Composition with Fluorinated Acyclic Carbonate and Fluorinated Cyclic Carbonate
19 Jan 23
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.
Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Du-Hyun Won, Lawrence Alan Hough, Jong-Hyun Lee
Filed: 13 Nov 20
Utility
Electrolyte Composition with Fluorinated Acyclic Ester and Fluorinated Cyclic Carbonate
5 Jan 23
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.
Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Lawrence Alan Hough, Du-Hyun Won, Jong-Hyun Lee
Filed: 13 Nov 20
Utility
a Process for Manufacturing Nickel Sulphate
29 Dec 22
Maria Jose Lacadena, Alun Pryce James
Filed: 27 Nov 20
Utility
Fluoropolymer film
20 Dec 22
The invention pertains to a process for the manufacture of a fluoropolymer film, to the fluoropolymer film obtainable therefrom and to use of said fluoropolymer film in electrochemical and photo-electrochemical devices.
Christine Hamon, Julio A. Abusleme, Aurélie Guyomard-Lack, Jean Le Bideau, Dominique Guyomard, Bernard Lestriez
Filed: 1 Jun 17
Utility
Flexible battery
20 Dec 22
The present invention pertains to a flexible electrode, to a process for the manufacture of said flexible electrode and to uses of said flexible electrode in electrochemical devices, in particular in secondary batteries.
Hélène Rouault, Gaëlle Besnard, Léo Merchat, Jérémie Salomon, Julio A. Abusleme, Marc-David Braida, Christine Hamon
Filed: 13 Jun 17
Utility
Method for Manufacturing an Electrode Comprising a Polymer Matrix Trapping an Electrolyte
24 Nov 22
A method for manufacturing an electrode comprising a polymer matrix trapping an electrolyte, the method comprising the following steps: a) a step of preparing a composition comprising the ingredients intended to be included in the constitution of the electrode; b) a step of forming the electrode, from the composition, on a support; wherein the composition prepared in step a) is a composition in paste form having a dynamic viscosity greater than 5000.
Jérémie Salomon, Julio Abusleme, Benjamin Amestoy, Marc-David Braida, Hélène Rouault, Dominique Bascour
Filed: 16 Sep 20
Utility
Process for producing a calcium phosphate reactant, reactant obtained and use thereof in the purification of liquid effluents
15 Nov 22
A process for producing a calcium phosphate reactant, according to which: in a first step, use is made of a source of calcium and a source of phosphate ions in water, in a molar ratio that is adjusted so as to obtain a Ca/P molar ratio of between 0.5 and 1.6, and the source of calcium is reacted with the phosphate ions at a pH of between 2 and 8, in order to obtain a suspension (A) of calcium phosphate, and in a second step, added to the suspension (A) are an alkaline compound comprising hydroxide ions in order to set a pH of more than 8 and an additional source of calcium in order to obtain a suspension (B) of calcium phosphate reactant having a Ca/P molar ratio of more than 1.6.
Patrick Perrin, Olivier Jacques F. J. G. Bodson, Thierry Delplanche, Dirk Breugelmans
Filed: 6 Jul 20
Utility
Nonaqueous electrolyte compositions comprising silyl oxalates
1 Nov 22
Disclosed herein are electrolyte compositions comprising a fluorinated solvent, at least one silyl oxalate represented by the formulas RR′Si(C2O4), wherein R and R′ are each the same or different from each other and independently selected from C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, or C6-C10 aryl radical, optionally comprising at least one substituent selected from halogen, hydroxyl, alkoxy, carbonyl, and carboxyl groups; and LiPF6.
Kenneth Gene Moloy, Stephen E. Burkhardt, Kostantinos Kourtakis, Brian Levy-Polis
Filed: 27 Jul 17
Utility
Advanced porous carbonaceous materials and methods to prepare them
18 Oct 22
The present invention concerns porous carbonaceous particles having pores including micropores and macropores, having a mean diameter, determined by laser diffraction, ranging from 15 to 100 μm and porous carbonaceous monoliths comprising aggregates of said carbonaceous particles.
Vincent Finsy, Eric Pierre Dubois, Yves Vanderveken, Agnès Chapotot
Filed: 17 Nov 17
Utility
Hydroxyapatite composite for use in removal of contaminants from effluents and methods of making
18 Oct 22
A composite comprising a hydroxyapatite and at least one additive which is present during hydroxyapatite synthesis.
Thierry Delplanche, Aziz Mimouni, Thierry Le Mercier, Sarah Khirani, Lauriane D'Alencon, Yves Antoinette, Beatrice Ortego
Filed: 30 Nov 18
Utility
Nonaqueous electrolyte compositions comprising cyclic carbonate and non-fluorinated acyclic carbonate
18 Oct 22
Disclosed herein are electrolyte compositions comprising: a) a first solvent comprising a cyclic carbonate; b) a second solvent comprising a non-fluorinated acyclic carbonate; c) at least one electrolyte component selected from: i) a fluorinated acyclic carboxylic acid ester; ii) a fluorinated acyclic carbonate; iii) a fluorinated acyclic ether; or iv) a mixture thereof; and d) an electrolyte salt; wherein the electrolyte component is present in the electrolyte composition in the range of from about 0.05 weight percent to about 10 weight percent, based on the total weight of the first and second solvents.
Stephen E. Burkhardt, Jun J. Liu, Sang-Hwan Kim, Kostantinos Kourtakis
Filed: 6 Jul 17
Utility
Process for producing a concentrated aqueous sodium hydroxide solution
11 Oct 22
A method for producing a concentrated aqueous sodium hydroxide solution from a purge stream deriving from a sodium carbonate, or sesquicarbonate, or wegsheiderite crystallizer, or sodium bicarbonate crystallizer, said purge stream comprising sodium carbonate and/or bicarbonate, and at least 1% of sodium chloride or sodium sulfate and a soluble impurity from an ore deposit comprising at least one of the following elements: As, Ba, B, Ca, Co, K, Li, Mo, P, Pb, Se, Sn, Sr, Te, Tl, Ti, V, and W, to be purified, the method comprising: causticizing at least 50 mol. % of the sodium carbonate into a caustic solution and into a calcium carbonate mud with lime and water; separating the mud from the caustic solution; concentrating the caustic solution by removing part of the water to obtain a concentrated caustic solution comprising at least 25% NaOH, and a crystallized solid comprising sodium carbonate and sodium chloride and/or sulfate; and separating the crystallized solid from the concentrated caustic solution, said crystallized solid to be disposed of or to be further valorized.
Alain Vandendoren
Filed: 20 Nov 20
Utility
Advanced porous carbon adsorbents for CO
13 Sep 22
The present invention concerns a process for manufacturing a porous carbonaceous monolith structure comprising the steps of (i) introducing a precursor material comprising particles comprising a halogenated polymer having a melting point in a mold; (ii) forming a shaped body comprising aggregates of the particles of the precursor material, by concurrently applying to the precursor material a pressure P ranging from 10 to 300 bars when the halogenated polymer is a vinylidene chloride homopolymer and from 10 to 150 bars when the halogenated polymer differs from a vinylidene chloride homopolymer, and maintaining the precursor material at a temperature T1 ranging from T1,min=20° C. to T1,max=Tm−50° C. wherein Tm is the melting point of the halogenated polymer, and; (iii) optionally cooling then demolding the shaped body; (iv) introducing the shaped body in a furnace; (v) causing the pyrolysis of the halogenated polymer in the furnace until the porous carbonaceous monolith structure is obtained.
Vincent Finsy, Eric Pierre Dubois
Filed: 17 Nov 17
Utility
Fluoropolymer Hybrid Composite
8 Sep 22
The invention pertains to a process for the manufacture of a polymer electrolyte membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte obtained thereof and to uses of said polymer electrolyte and membranes obtained therefrom in various applications, especially in electrochemical and in photo-electrochemical applications.
Daniele BATTEGAZZORE, Alberto FRACHE, Julio A. ABUSLEME, Giambattista BESANA
Filed: 7 Oct 20