44 patents
Utility
Electrochemical Battery with a Bipolar Architecture Comprising a Material Common to All of the Electrodes As Electrode Active Material
14 Dec 23
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.
Thibaut Gutel, Jérémie Salomon, Adrien Sartre
Filed: 28 Oct 21
Utility
Nonaqueous Electrolyte Compositions
7 Dec 23
The present disclosure is related to an electrolyte composition comprising from 30 to 80% by weight of CH3CO2CH2CF2H, from 10 to 60% by weight of ethylene carbonate or propylene carbonate, from 0.1 to 1.0% by weight of lithium bis(oxalate) borate, from 0.2 to 2.0 moles/L of lithium hexafluorophosphate and from 0.1 to 2% by weight of fluoroethylene carbonate, where the amounts of compounds are based on the total weight of the electrolyte composition, and where when used as an electrolyte in a lithium-ion battery, the composition exhibits an 80% cycle life of at least 250 at a cycling rate is 240 mA/g.
Stephen E. Burkhardt, Kostantinos Kourtakis, Mark Gerrit Roelofs, Charles J. Dubois
Filed: 17 Aug 23
Utility
Purification of Bis (Fluorosulfonyl) Imide Salt
23 Nov 23
The present invention relates to a method for purifying a salt of bis (fluorosulfonyl) imide which is economically feasible at industrial scale and provides a high-purity product.
Ji Tang, Zhengbo Zhou, Mingxuan Chen, Ruihua Wang, Liping Song
Filed: 10 Sep 21
Utility
Preparation Method of Lithium Thiophosphate
2 Nov 23
The present disclosure concerns a method for the preparation of lithium thiophosphate, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.
Marc-David Braida, Lauriane D'Alencon, Jean-Daniel Compain, Thierry Le Mercier
Filed: 20 Nov 20
Utility
Process for the Synthesis of Twin-tail Triamines
26 Oct 23
The invention relates to a new method for producing twin-tail triamines, preferably fatty twin-tail triamines Furthermore, the present invention relates to the production of diamines obtained from internal ketones.
Olivier Back, Zhen Yan
Filed: 19 Dec 19
Utility
Preparation Method of Lithium Argyrodite
19 Oct 23
The present disclosure concerns a method for the preparation of lithium argyrodite, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.
Marc-David Braida, Lauriane D'Alencon, Jean-Daniel Compain, Thierry Le Mercier
Filed: 20 Nov 20
Utility
Solid Composite Electrolyte
31 Aug 23
The present invention relates to a solid composite electrolyte comprising i) at least one polymer; ii) at least one sulfide-based solid ionic conducting inorganic particle; and iii) at least one lithium salt, wherein the i) at least one polymer is selected from the group consisting of (co)polymers having recurring units derived from vinylidene fluoride (VDF), alkylene carbonate, acrylonitrile, silane, fluorosilane, acrylate, caprolactone and blends thereof, and wherein an amount of the ii) at least one sulfide-based solid ionic conducting inorganic particle is from 40.0 to 98.0% by weight (wt %), preferably from 60.0 to 97.0 wt %, and more preferably from 70.0 to 96.0 wt %, based on the total weight of the solid composite electrolyte.
Vincent Finsy, Luca Merlo
Filed: 24 Jun 21
Utility
New Solid Sulfide Electrolytes
27 Jul 23
The present invention concerns a new solid material according to general formula (I) as follows: Li4−2xZnxP2S6 (I) wherein 0<x≤1.
Marc-David Braida, Thierry Le Mercier, Christian Masquelier, Omer Kudu
Filed: 25 May 21
Utility
Anode-less Lithium Ion Battery
27 Jul 23
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.
Ji-Ae Choi, Guillaume Müller, Lawrence Alan Hough, Hyun-Cheol Lee, Hee-Sung Choi, So-Young Lee
Filed: 18 Mar 21
Utility
New Lithium Rare-earth Halides
6 Jul 23
The present invention concerns new lithium rare earth halides that may be used as solid electrolytes or in electrochemical devices.
Marc-David Braida
Filed: 12 Apr 21
Utility
Impact Modified Polyamide Compositions
29 Jun 23
Described herein are polymer compositions (PC) including a polyamide (PA) and a reactive impact modifier.
Matthew R. Vincent, William Hamm, Lee Carvell, Linda M. Norfolk, Joel Flores, Stéphane Jeol, David McIlroy
Filed: 6 May 21
Utility
Use of Coating Compositions for Making a Substrate Frost Resistant, Compositions and Methods Useful Therefor
25 May 23
Use of a coating composition for making a frost resistant substrate, the coating composition comprises at least one copolymer (ZW-CA) comprising: (a) repeating units (RZW) derived from at least one zwitterionic monomer, monomer (B), and (b) repeating units (RCA) derived from at least one monomer containing carboxylic acid and/or carboxylic anhydride, monomer (B), and at least one crosslinking agent (CL).
Congyu Bao, Yunjiao Gu, Bing Hong, Chunying Liu, Peng Xu
Filed: 15 Apr 20
Utility
Salt-free Flluoropolymer Membrane for Electrochemical Devices
18 May 23
The invention pertains to a process for the manufacture of a polymer membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer membrane obtained thereof and to use of said membranes obtained therefrom in various applications, especially in electrochemical and in photo-electrochemical applications.
Daniele Battegazzore, Alberto Frache, Francesco Liberale, Julio A. Abusleme
Filed: 11 Feb 21
Utility
New Solid Sulfide Electrolytes
11 May 23
The present invention concerns a method for producing a solid material according to general formula (I) as follows: Li6-x_2yCuxPS5_yX (I) wherein X is selected from the group consisting of: F, CI, I and Br; 0.005 ≤ x ≤ 5; and 0 ≤y ≤ 0.5.; comprising at least bringing at least lithium sulfide, phosphorous sulfide, halogen compound and a copper compound, optionally in one or more solvents.
Lauriane D'Alencon, Thierry Le Mercier, Marc-David Braida
Filed: 18 Mar 21
Utility
New Frothers for Minerals Recovery
4 May 23
Pascal HERVE, Renata BRITO, Joseph JANKOLOVITS, Matthieu CORBET, Philippe MARION
Filed: 12 Feb 21
Utility
Method for Purifying an Aqueous Hydrogen Peroxide Solution
6 Apr 23
Jürgen Bosse, Matthias Dabrunz, Lennart Möhlmann, Josephine Rost
Filed: 1 Jul 22
Utility
New Frothers for Minerals Recovery and Methods of Making and Using Same
6 Apr 23
The present invention pertains to a composition comprising at least one compound of formula (I) and to the use of said composition for recovering value minerals from ore and other feedstocks by flotation.
Pascal HERVE, Renata BRITO, Joseph JANKOLOVITS, Matthieu CORBET, Philippe MARION
Filed: 12 Feb 21
Utility
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