Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Solvay Sa

Lionel Picard

Yves Berthe De Pommery

Julio A Abusleme

Christine Hamon

Marianne Chami

Helene Rouault

Hélène Rouault

Philippe Azais

Pascal Revirand

Sebastien Solan

Gilles Moreau

Nelly Giroud

Guillaume Turin

Olivier Pras

Hakima Mendil

Melody Leclere

Jean-Baptiste Ducros

Aurelie Lavie-Cambot

Patrice Rannou

Thibaut Gutel

Sophie Mailley

Yann Kervella

Johann Lejosne

David Descarsin

Adriana Iordache

Laura Boutafa

Gérard Gebel

Jean-Benoit Denis

Sandrine Lyonnard

Laurent Bernard

Sabrina Paillet

Sébastien Solan

Jonathan Skrzypski

Angèle Ravachol

Charles Gayot

Jessica Charoloy

Gerard Gebel

Philip Overton

Philippe AZAÏS

Mélody Leclere

Jean-Benoît Denis

Aurélie Lavie-Cambot

Daniel Gloesener

The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) With Eand E, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted Cto Chydrocarbon-based radical, Arepresenting a sulfonate anion or a sulfonylimide anion of formula &#x2014;SO&#x2014;N&#x2014;SOCFwith y being an integer ranging from 0 to 2 and Ca sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.

Electrolytes for electrochemical generator

The invention relates to a monophasic electrolyte medium comprising: at least one alkaline-earth or alkaline metal salt, at least one hydrocarbon solvent, and between 1 and 50 vol. %, in relation to the total volume of said medium, of a hydrocarbon solubilising agent, different from said hydrocarbon solvent, of formula (I): Z-[(A)-(X)]q-(B)&#x2014;Y.

Hydrocarbon liquid electrolyte

A compound containing at least one species of formula (I):   

Solid electrolyte for an electrochemical generator

Thermotropic ionic liquid crystal molecules, comprising a so-called rigid part, a so-called flexible part bonded covalently, directly or via a spacer, to said rigid part, and one or more ionic groups bonded covalently to said rigid part. Said molecules can be used as electrolytes in an electrochemical device, in particular a lithium-ion battery.

Electrolyte for electrochemical generator

The main purpose of the invention is an assembly and electrical connection part () of at least two electrical energy storage cells (), that will be included in an electric assembly module () of an energy storage system, characterised in that the part () comprises first () and second () means of connecting the part () to said at least two electrical energy storage cells (), the first () and second () connection means being configured to enable the passage of connection pins () to assemble and electrically connect the part () to each of said at least two electrical energy storage cells ().

Assembly and electrical connection part for at least two electrical energy storage cells

The present invention relates to a lithium-ion battery including: a positive electrode including an active positive electrode material, and advantageously a lithium salt; an electrolyte including a lithium salt; and a negative electrode including an active negative electrode material, and advantageously a lithium salt. In this battery, the positive electrode, the negative electrode, and the electrolyte all three appear in the form of gels, and all three include a polymer and a dinitrile compound of formula N&#x2261;C&#x2014;R&#x2014;C&#x2261;N; R being a hydrocarbon group CH, n being an integer between 1 and 2; the weight ratio of the dinitrile compound to the polymer being in the range from 60/40 to 90/10.

Lithium-ion gel battery

The invention primarily relates to a cell () for storing power, which is to be integrated in an electrical module for assembling a power storage system, having a first surface () and a second surface (), characterised in that the cell () comprises at least one male element () on one of the first () and second () surfaces thereof, and at least one female element () on the other of the first () and second () surfaces thereof, which elements are shaped such as to be fitted into one another such that the cell () is configured such as to be assembled to another cell () of the same type, in that at least one male element () comprises at least one electrical connection interface having positive polarity () and in that at least one female element () comprises at least one electrical connection interface having negative polarity (), or conversely such that the cell () is configured such as to be electrically connected to another cell () of the same type.

Cell for storing power, comprising at least one male element and one female element equipped with electrical connection interfaces

A process for manufacturing an elementary gas electrode electrochemical cell of metal-gas type, configured to be integrated into an electrochemical assembly module of a system for storing energy and including: an electrochemical core including at least one negative electrode and at least one positive electrode, at least one negative electrode as a gas electrode and at least one positive electrode as a metal electrode or vice versa, the process including: producing the electrochemical core of the cell by winding, folding, and/or stacking a plurality of layers including at least one negative-electrode layer, one positive-electrode layer, and one electrolyte layer, and forming gas flow spaces channeling the gas to the one or more gas electrode layers.

Process for manufacturing an elementary gas-electrode electrochemical cell of the metal-gas type and associated cell

The invention relates to polymer compositions that conduct lithium ions including the following ingredients: at least one ionic polymer from the polymerization of an ionic liquid, the cation of which bears at least one polymerizable function; at least one lithium salt; and at least one non-ionic polymer, the composition being a solid composition, i.e., a composition devoid of water and organic solvent(s). The invention also relates to the use of the polymer compositions for entering into the formation of electrolytic membranes of electrochemical lithium generators.

Polymer compositions that conduct lithium ions for electrochemical lithium generator

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.

Hybrid fluoropolymer composites

The present invention concerns a metal-oxygen battery containing, as the electrolyte, a monophasic electrolytic solvent medium having at least an alkali metal or alkaline earth metal supporting salt, preferably a lithium salt; a fluorocarbon solvent having an oxygen solubility at least equal to 30% v/v; 10 to 60% by volume of at least fluorinated solubilizing agent; and a carbonate solvent. The fluorinated solubilizing agent is different from the fluorocarbon solvent; is chosen from the mono-, poly- and perfluorinated, saturated, unsaturated and/or aromatic, linear, branched and/or cyclic hydrocarbon compounds; and has 4 to 18 carbon atoms with the carbon chain having at least one polar end unit and can be interrupted by one or more heteroatoms of oxygen and sulfur atoms and radicals &#x2014;N(R1)-, &#x2014;B(R1)- and &#x2014;P(R1R2)- in which R1 and R2, identical or different, represent a hydrogen atom or a C1 to C4 alkyl radical.

Metal-oxygen battery

Electrolyte for a lithium-ion battery comprising at least one block copolymer, characterized in that said block copolymer comprises at least one polymeric segment A which is soluble in said electrolyte and at least one polymeric segment B having a temperature for dissolution 'T' in said electrolyte, the polymeric segments A and B being present in amounts sufficient to make possible an increase in the viscosity of the electrolyte, preferably up to gelling of the electrolyte, at a temperature greater than or equal to the temperature 'T'; the ionic conduction is produced by a solvent comprising the copolymer and lithium salts.

Electrolyte additive for lithium-ion battery

An electrochemical assembly module of a system for storing energy, including an assembly of a plurality of elementary gas-electrode electrochemical cells, the assembly including a plurality of lugs respectively associated with the plurality of elementary electrochemical cells, the lugs being connected together by a connecting holder and receiving terminals of the elementary electrochemical cells so that the terminals are all electrically connected to one another by the connecting holder, and a plurality of elements forming connecting clips each receiving at least two terminals of at least two elementary electrochemical cells so that the at least two terminals are electrically connected to each other by the element forming a connecting clip that is associated therewith.

Assembly module comprising electrochemical cells received by lugs and connecting clips

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.

Polymer serving as an electrode material for lithium secondary batteries

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Seyssinet-Pariset, France

Lionel Picard