CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Grenz, David
Neron, Sebastien
Yang, Jin
Degras, Sarah
Poizot, Philippe
Abstract
The present technology relates to methods for the synthesis of a PFAS-free lithium single-ion polymer which comprises simultaneously reacting a sulfonyl chloride compound with an aromatic sulfonamide compound and a compound that is suitable to act as a quenching base. The simultaneous reaction of sulfonyl chloride with the aromatic sulfonamide compound and the compound that is suitable to act as a quenching base yields the single-ion monomer.
C07C 303/22 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids by reactions not involving the formation of sulfo or halosulfonyl groups
C07C 309/86 - Halides of sulfonic acids having halosulfonyl groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
C07C 303/38 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reaction of ammonia or amines with sulfonic acids, or with esters, anhydrides, or halides thereof
C07C 311/16 - Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom
C07C 303/40 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups
C07C 311/48 - Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups having nitrogen atoms of sulfonamide groups further bound to another hetero atom
COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Deschamps, Marc
Leblanc, Patrick
Lecuyer, Margaud
Tessier, Noëline
Deschamps, Théo
Picard, Lionel
Bernard, Laurent
Celle, Caroline
Abstract
The present invention relates to an electrolyte composition comprising a lithium salt, a charge-transfer complex formed from an electron acceptor precursor of the charge-transfer complex and an electron donor precursor of the charge-transfer complex, a film-forming polymer, and a solvent. The invention also relates to a method for preparing this electrolyte composition; the use of the electrolyte composition for preparing a solid electrolyte in the form of a flexible film; a method for preparing a solid electrolyte in the form of a film by applying a coat of the electrolyte composition; the solid electrolyte in the form of a flexible film that can be obtained by implementing this method; a method for producing a rechargeable lithium metal battery comprising such a solid electrolyte; and a rechargeable lithium metal battery comprising the solid electrolyte.
COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Deschamps, Marc
Leblanc, Patrick
Lecuyer, Margaud
Tessier, Noëline
Deschamps, Théo
Picard, Lionel
Bernard, Laurent
Kunert, Romain
Abstract
The invention relates to an electrolyte composition comprising a lithium salt LiFTFSI, and a charge-transfer complex formed from an electron acceptor precursor of the charge-transfer complex and an electron donor precursor of the charge-transfer complex, the electron acceptor precursor of the charge-transfer complex being benzoquinone or a derivative thereof, and the electron donor precursor of the charge-transfer complex being hydroquinone or a derivative thereof; a method for preparing the electrolyte composition; the use of the electrolyte composition in a rechargeable lithium metal battery or for preparing a solid electrolyte of a rechargeable lithium metal battery; a solid electrolyte for a rechargeable lithium metal battery comprising the electrolyte composition; and a rechargeable lithium metal battery comprising the solid electrolyte.
The invention relates to a method for securely extracting residual lithium from a set of one or more electrical energy storage cells, in particular an electric battery, comprising residual solid metallic lithium, as well as an integral method for extracting lithium from a set of one or more electrical storage cells, in particular an electric battery, comprising solid metallic lithium, which implements the method for extracting residual lithium. The invention also relates to a unit for extracting residual lithium which implements the method for extracting residual lithium.
The invention relates to a method (300) for extracting lithium from an electric battery comprising lithium metal, said method (300) comprising a lithium extraction phase (302), said extraction phase (302) comprising the following steps carried out, at least partially, in a chamber: - heating (304) said battery to a temperature, referred to as the treatment temperature, above or equal to the melting temperature of the lithium metal; - compressing (306) said battery in order to discharge the molten lithium out of the battery; characterized in that the heating step (304) is carried out by circulating, in said chamber, a hot stream, referred to as the heating stream, that comes into contact with said battery. The invention further relates to a system implementing such a method.
The invention relates to a device (3) for supporting a component (10) such as an electrochemical cell comprising solid metal lithium which can be recycled. The device (3) comprises a shell (21) and a stop member (44), both configured to prevent direct contact of the component (10) with an armature (20) of the device (3) while facilitating extraction of the liquefied metal lithium. The invention also relates to an installation and to an extraction method associated therewith.
The invention relates to a method for extracting residual lithium from a set of one or more electrical energy storage cells, in particular an electric battery, comprising residual solid metallic lithium, in a secure manner, as well as an integral method for extracting lithium from a set of one or more electrical storage cells, in particular an electric battery, which comprises solid metallic lithium, implementing the method for extracting residual lithium. It also relates to a unit for extracting residual lithium implementing the method for extracting residual lithium.
The invention relates more particularly to a metal layer comprising lithium metal or lithium alloy through-grains, having improved electrochemical performance, a simple and easily industrializable method for manufacturing such a metal layer, the use of such a metal layer as a negative electrode, for improving the lifespan of a lithium metal battery, and a lithium metal battery comprising such a metal layer as a negative electrode.
A method for operating a lithium battery, selected from solid or quasi-solid electrolyte lithium batteries, the lithium battery including at least one positive electrode, at least one solid or quasi-solid electrolyte, and at least one negative electrode, the method including that the charging and discharging temperatures are modulated so as to obtain a battery with improved cycling performance.
A method for extracting lithium from a battery including at least two cells, each cell including a negative electrode, a positive electrode and solid or quasi-solid metal lithium; is disclosed. The battery having a first edge from which the negative electrodes of the cells protrude and a second edge which is opposite said first edge and from which the positive electrodes protrude The method including an extraction phase, which includes:
positioning the battery in an orientation in which one of the first and second edges is below the other one of the first and second edges;
heating the battery to a treatment temperature, which is greater than or equal to the melting temperature of the solid metal lithium; and
cutting the electrical connection between the positive electrodes of at least two of the cells of the battery. The invention further relates to a plant implementing such a method.
L'invention concerne une composition polymère ayant des propriétés de conduction ionique améliorées, l'utilisation d'une telle composition polymère pour la préparation d'un électrolyte polymère et/ou d'une électrode positive d'une batterie rechargeable, un électrolyte polymère pour une batterie rechargeable comprenant une telle composition polymère, une électrode positive pour une batterie rechargeable comprenant une telle composition polymère, et une batterie rechargeable au lithium ou au sodium comprenant un tel électrolyte polymère et/ou une telle électrode positive.
The invention relates to a polymer composition having improved ionic conduction properties, the use of such a polymer composition for the preparation of a polymer electrolyte and/or a positive electrode of a rechargeable battery, a polymer electrolyte for a rechargeable battery comprising such a polymer composition, a positive electrode for a rechargeable battery comprising such a polymer composition, and a lithium or sodium rechargeable battery comprising such a polymer electrolyte and/or such a positive electrode.
A hybrid separating membrane made of a composite material including a non-porous polymer matrix and particles of an ionically conductive inorganic material dispersed in the polymer matrix, to the use of such a membrane as separator in an electrical energy storage system, as well as to a system for storing electrical energy, especially an electrochemical accumulator such as a lithium or sodium secondary battery (rechargeable) comprising at least one such separating membrane.
The invention relates to a method for operating a lithium battery, selected from solid or quasi-solid electrolyte lithium batteries, said lithium battery comprising at least one positive electrode, at least one solid or quasi-solid electrolyte, and at least one negative electrode, said method being characterised in that the charging and discharging temperatures are modulated so as to obtain a battery with improved cycling performance.
The invention relates to a method for operating a lithium battery, selected from solid or quasi-solid electrolyte lithium batteries, said lithium battery comprising at least one positive electrode, at least one solid or quasi-solid electrolyte, and at least one negative electrode, said method being characterised in that the charging and discharging temperatures are modulated so as to obtain a battery with improved cycling performance.
The invention relates to a method (300) for extracting lithium from a battery comprising at least two cells, each cell comprising a negative electrode (102), a positive electrode (104; 108) and solid or quasi-solid metal lithium (106); said battery having a first edge from which the negative electrodes of said cells protrude and a second edge which is opposite said first edge and from which the positive electrodes protrude; said method (300) comprising an extraction phase (306), which comprises the following steps: - positioning (308) said battery in an orientation in which one of said first and second edges is below the other one of said first and second edges; and - heating (310) said battery to a temperature, referred to as a treatment temperature, which is greater than or equal to the melting temperature of said solid metal lithium; characterised in that it further comprises a step (314) of cutting the electrical connection between the positive electrodes of at least two, and in particular all, of the cells of said battery. The invention further relates to a plant implementing such a method.
The invention relates to a method (300) for extracting lithium from a battery comprising at least two cells, each cell comprising a negative electrode (102), a positive electrode (104; 108) and solid or quasi-solid metal lithium (106); said battery having a first edge from which the negative electrodes of said cells protrude and a second edge which is opposite said first edge and from which the positive electrodes protrude; said method (300) comprising an extraction phase (306), which comprises the following steps: - positioning (308) said battery in an orientation in which one of said first and second edges is below the other one of said first and second edges; and - heating (310) said battery to a temperature, referred to as a treatment temperature, which is greater than or equal to the melting temperature of said solid metal lithium; characterised in that it further comprises a step (314) of cutting the electrical connection between the positive electrodes of at least two, and in particular all, of the cells of said battery. The invention further relates to a plant implementing such a method.
A composite negative electrode based on pure metallic lithium, pure metallic sodium or one of their alloys and a polymer membrane, a method for manufacturing such an electrode, as well as an electrical energy storage system, in particular an electrochemical accumulator such as a secondary (rechargeable) lithium or sodium battery comprising at least one such negative electrode. It is particularly applicable to Lithium-Metal-Polymer or LMP™ batteries.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
Inventor
Deschamps, Marc
Bodenez, Vincent
Guillet, Nicolas
Abstract
The invention relates to a method (100) for estimating an ageing indicator of an electric battery, comprising at least one iteration of a measuring phase, comprising the following steps: - emitting (102), into said battery, an acoustic wave, called probe wave, comprising at least one frequency component, called representative frequency component, the amplitude of which depends on the ageing of said battery (500); - receiving (104) an acoustic wave, called transmitted wave, corresponding to the portion of said probe wave transmitted by said battery; - determining (107) a value of an ageing indicator of said battery based on: • the amplitude of the at least one representative frequency component in said transmitted wave, and • a previously determined correlation model applicable to said battery and linking said amplitude to said ageing indicator. It also relates to a system implementing such a method and to an electric battery equipped with such a system.
A method for identifying an electrical battery provided with an electrical interface, called the identification electrical interface, including several pins, called the identification pins, at least one of the identification pins being connectable to at least one other identification pin to assign an identifier to the battery, the method includes at least one iteration of a step of reading the identifier, including the following operations carried out alternately for each of the identification pins: polarising the identification pin at a predetermined electric potential (V1), called the test potential; and detecting whether or not the test potential (V1) is present on each of the other identification pins in order to identify the identification pins which are looped together.
A method for the extraction of lithium from an assembly of at least one cell of an electric battery including solid metallic lithium, such as a Lithium-Metal-Polymer battery, the method having an extraction phase including the following steps:
positioning the assembly in an orientation in which a first edge of the assembly from which extend(s) one or more negative electrode or electrodes is located below a second edge of the assembly, opposite the first edge, and from which extend(s) one or more positive electrode or electrodes; and
heating the assembly to a treatment temperature greater than or equal to the melting temperature of the solid metallic lithium.
An installation implementing such a method is also provided.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Deschamps, Marc
Lecuyer, Margaud
Bouchet, Renaud
Pavlenko, Ekaterina
Lassagne, Adrien
Gigmes, Didier
Ferrand, Adèle
Trang, Phan
Abstract
A cross-linked copolymer is provided, including at least repeating units of poly(alkylene oxide) and at least repeating units of lithium polystyrene-sulfonyl(trifluoromethylsulfonyl)imide (PSTFSILi), as well as the use of such a cross-linked copolymer for preparing a solid polymer electrolyte, a solid polymer electrolyte having the cross-linked copolymer, and a battery, for example a lithium metal polymer (LMP) battery, including the solid polymer electrolyte.
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
The present invention relates to a hybrid separating membrane constituted by a composite material comprising a non-porous polymer matrix and particles of an ionic conductive inorganic material dispersed in the polymer matrix, the use of such a membrane as a separator in an electrical energy storage system, and an electrical energy storage system, in particular an electrochemical accumulator such as a secondary (rechargeable) lithium or sodium battery comprising at least one such separating membrane.
The present invention relates to a hybrid separating membrane constituted by a composite material comprising a non-porous polymer matrix and particles of an ionic conductive inorganic material dispersed in the polymer matrix, the use of such a membrane as a separator in an electrical energy storage system, and an electrical energy storage system, in particular an electrochemical accumulator such as a secondary (rechargeable) lithium or sodium battery comprising at least one such separating membrane.
The present invention relates to a composite negative electrode based on pure metallic lithium, pure metallic sodium or one of their alloys and a polymer membrane, a method for manufacturing such an electrode, as well as an electrical energy storage system, in particular an electrochemical accumulator such as a secondary (rechargeable) lithium or sodium battery comprising at least one such negative electrode. It is particularly applicable to Lithium-Metal-Polymer or LMPTM batteries.
This invention comprises a pure, lithium metal–based composite negative electrode, pure metallic sodium or one of their alloys, and a polymer membrane; the manufacturing process for such an electrode; and a storage system for electrical energy, notably an electrochemical storage cell, such as a secondary lithium or sodium battery (rechargeable) including at lease one such negative electrode. It applies most specifically to Lithium-Metal-Polymer or LMP batteries.
The invention relates to a rechargeable electrical energy storage device (100) comprising: - a storage module (106) comprising at least one rechargeable battery, and - at least one main controllable contactor (108) for optionally connecting said storage module (106) to an electrical circuit; characterised in that it comprises a bypass branch (110) of said main contactor (108) comprising, mounted in series: - at least one secondary controllable contactor (112) for closing or opening said bypass branch (110); and - at least one diode (114) conducting only in the discharge direction of said storage module (106). The invention also relates to a system using such devices, a vehicle and a facility using such a system.
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
−) and a second salt comprising an anion other than nitrate, at least one of the first and second salts being a lithium salt, as ionic conductivity promoters in a rechargeable lithium-metal-gel battery. The invention also relates to a lithium-gel battery comprising a mixture of said first salt and said second salt, to a non-aqueous gel electrolyte comprising such mixture and to a lithium battery positive electrode comprising said mixture.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/02 - Electrodes composed of, or comprising, active material
32.
CELL FOR A HYBRID ELECTRICAL ENERGY STORAGE DEVICE, METHOD FOR OBTAINING SUCH A CELL, AND HYBRID SUPERCAPACITOR COMPRISING AT LEAST ONE SUCH CELL
The invention relates to a solid polymer electrolyte for a battery comprising at least one polymer which solvates the cations of a lithium salt, at least one lithium salt and at least one specifically selected halogenated polymer, and also to the lithium batteries comprising such a solid polymer electrolyte, in particular LMP batteries.
H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
H01M 4/02 - Electrodes composed of, or comprising, active material
34.
Use of lithium nitrate as sole lithium salt in a gelled lithium battery
The invention relates to the use of lithium nitrate as sole lithium salt providing the ion conductivity in a gelled rechargeable lithium metal battery not comprising polysulfide ions, for improving its lifetime.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/02 - Electrodes composed of, or comprising, active material
35.
METHOD FOR EXTRACTING LITHIUM FROM AN ELECTRIC BATTERY COMPRISING SOLID LITHIUM METAL
The invention relates to a method (300) for extracting lithium from an assembly of at least one electric battery cell comprising solid lithium metal, such as a lithium-metal-polymer battery, said method (300) comprising an extraction phase (306) comprising the following steps: - positioning (308) said assembly in an orientation in which a first edge of said assembly from which one or more negative electrodes protrude is located below a second edge of said assembly, opposite said first edge, and from which one or more positive electrodes protrude; and - heating (310) said assembly to a processing temperature higher than or equal to the melting point of solid lithium metal. The invention also relates to an installation implementing such a method.
The invention relates to a method (300) for extracting lithium from an assembly of at least one electric battery cell comprising solid lithium metal, such as a lithium-metal-polymer battery, said method (300) comprising an extraction phase (306) comprising the following steps: - positioning (308) said assembly in an orientation in which a first edge of said assembly from which one or more negative electrodes protrude is located below a second edge of said assembly, opposite said first edge, and from which one or more positive electrodes protrude; and - heating (310) said assembly to a processing temperature higher than or equal to the melting point of solid lithium metal. The invention also relates to an installation implementing such a method.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
INSTITUT POLYTECHNIQUE DE GRENOBLE (France)
BLUE SOLUTIONS (France)
Inventor
Deschamps, Marc
Lecuyer, Margaud
Bouchet, Renaud
Pavlenko, Ekaterina
Lassagne, Adrien
Gigmes, Didier
Ferrand, Adele
Trang, Phan
Abstract
This invention concerns a crosslinked copolymer comprising at least recurring poly (alkylene oxide) units and at least recurring lithium polystyrene sulfonyl (trifluoromethylsulfonyl) imide (PSTFSILi) units, using such a crosslinked copolymer to prepare a solid polymer electrolyte, a solid polymer electrolyte comprising said crosslinked copolymer, and a battery, for example, Lithium Metal Polymer (LMP), comprising said solid polymer electrolyte.
C08F 212/14 - Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing hetero atoms
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
H01M 6/18 - Cells with non-aqueous electrolyte with solid electrolyte
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
38.
POLYMER ELECTROLYTE FOR A LITHIUM METAL POLYMER BATTERY HAVING IMPROVED PERFORMANCE
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Deschamps, Marc
Lecuyer, Margaud
Bouchet, Renaud
Pavlenko, Ekaterina
Lassagne, Adrien
Gigmes, Didier
Ferrand, Adèle
Trang, Phan
Abstract
The present invention relates to a cross-linked copolymer comprising at least repeating units of poly(alkylene oxide) and at least repeating units of lithium polystyrene-sulfonyl(trifluoromethylsulfonyl)imide (PSTFSILi), the use of such a cross-linked copolymer for preparing a solid polymer electrolyte, a solid polymer electrolyte comprising said cross-linked copolymer, and a battery, for example a lithium metal polymer (LMP) battery, comprising said solid polymer electrolyte.
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 212/14 - Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing hetero atoms
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
H01M 6/18 - Cells with non-aqueous electrolyte with solid electrolyte
C08F 299/02 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
39.
USE OF A SALT MIXTURE AS AN ADDITIVE IN A LITHIUM-GEL BATTERY
The invention relates to the simultaneous use of a first salt comprising a nitrate anion (NO 3 -) and a second salt comprising an anion other than nitrate, wherein at least one of the first and second salts is a lithium salt, as ionic conductivity promoters in a rechargeable lithium-metal-gel battery. The invention also relates to a lithium-gel battery comprising a mixture of said first salt and said second salt, to a non-aqueous gel electrolyte comprising such a mixture, and to a positive electrode for a lithium battery comprising said mixture.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
The invention relates to the use of lithium nitrate as the sole lithium salt ensuring ionic conductivity in a rechargeable lithium-metal-gel battery containing no polysulphide ions, in order to improve the service life thereof.
3 3 -) and a second salt comprising an anion other than nitrate, wherein at least one of the first and second salts is a lithium salt, as ionic conductivity promoters in a rechargeable lithium-metal-gel battery. The invention also relates to a lithium-gel battery comprising a mixture of said first salt and said second salt, to a non-aqueous gel electrolyte comprising such a mixture, and to a positive electrode for a lithium battery comprising said mixture.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
42.
USE OF LITHIUM NITRATE AS THE SOLE LITHIUM SALT IN A LITHIUM-GEL BATTERY
The invention relates to the use of lithium nitrate as the sole lithium salt ensuring ionic conductivity in a rechargeable lithium-metal-gel battery containing no polysulphide ions, in order to improve the service life thereof.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
43.
ELECTRICAL ENERGY STORAGE ELEMENT WITH INTEGRATED BLEEDER RESISTOR AND MODULE INCORPORATING A PLURALITY OF SUCH ELEMENTS
The invention relates to an electrical energy storage element (1), such as an electrochemical cell or a supercapacitor, comprising an electrical energy storage component that is housed in a casing (2) composed of a housing (3), formed of a bottom (4) and lateral walls (5), and a cover (6), the housing and the cover being connected, respectively, to the negative pole and to the positive pole of said energy storage component, characterized in that the housing (3) and the cover (6) are made of one or more electrically conductive materials, constituting the positive and negative poles of said element, and forming between them a space that is obturated by a sealing part and in that the storage element includes an integrated current drift device with bleeder resistor, which is housed inside the casing (2) of the energy storage element, and connected to the two poles. The invention also relates to an electrical energy storage module comprising a plurality of such energy storage elements (1).
The invention relates to a separator for an electrical energy storage system including an internal bleeder resistor, to its use in electrically isolating a positive electrode and a negative electrode from one another in an electrical energy storage system, in particular in an electrochemical accumulator such as secondary (rechargeable) lithium or sodium batteries, in an electrical double layer storage system or in a hybrid system, and lastly to electrical energy storage systems incorporating such a separator.
The invention relates to an electrical energy storage module (5), enclosing, housed in a casing (6), an assembly of at least one row of electrical energy storage elements (E) such as electrochemical cells or supercapacitors, the poles of which are electrically coupled by means of electrical connecting parts referred to as connecting bars (7), said elements being held in place in said casing, characterized in that at least a portion of a shim part (8), inserted between the casing of the module and a longitudinal edge of one of the rows of storage elements, comprises an electrically conductive zone making contact between two poles of a storage element (E) and/or between at least one pole of a first pair of storage elements (E) and one pole of a second pair of storage elements (E), and constituting a controlled bleeder resistor integrated within said module, producing a current drift.
The invention relates to a solid polymer electrolyte for a battery, comprising at least one polymer for solvating cations of a lithium salt, at least one lithium salt and at least one specifically selected halogenated polymer, as well as to lithium batteries comprising such a solid polymer electrolyte, in particular LMP batteries.
The invention relates to a solid polymer electrolyte for a battery, comprising at least one polymer for solvating cations of a lithium salt, at least one lithium salt and at least one specifically selected halogenated polymer, as well as to lithium batteries comprising such a solid polymer electrolyte, in particular LMP batteries.
The present invention relates to a high energy density lithium metal polymer (LMP) battery comprising a positive electrode that includes a high potential positive electrode active material and a block copolymer of AB or BAB type, A being an ethylene oxide block and B being an anionic polymer block based on lithium bis(trifluoromethylsulfonyl)imide.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
The invention relates to a transportable stationary enclosure (1), for storing pallets (2) of electrical energy storage modules (23), each pallet (2) being provided with a pad (260) for connection to an electronic management package, this enclosure (1, 1') containing at least one structure (3) for supporting said pallets, which comprises at least two pairs (30) of front (301) and rear (302) vertical posts, and a plurality of horizontal cross members (31). This enclosure is characterised in that each cross member (31) comprises a horizontal planar face (321), bounded at the rear by a transverse vertical wall (322) forming an abutment and on the side, by a guiding longitudinal vertical wall (323), in that the two longitudinal vertical walls (323) which face each other extend in planes converging from the front of the supporting structure (3) to the rear, and in that this enclosure comprises at least one rear vertical partition (4), behind the supporting structure (3), provided with a plurality of apertures (41) for said connection pads to pass therethrough.
The invention relates to a transportable stationary shelter (1) for storing electrical energy storage modules, said shelter comprising side walls (10), a floor (11) and a ceiling (12), which together define an enclosure (14). This shelter is characterised in that said enclosure (14) comprises: - at least one zone (2), called "module storage zone", inside which said electrical energy storage modules are stored in racks; - at least one zone (3), called "electronic management zone", inside which units for electronically managing said modules are grouped together, in that said module storage zone (2) and said electronic management zone (3) are separate from one another and in that the electronic management zone (3) is thermally insulated in relation to the module storage zone (2) and the outside of the shelter by thermal insulation partitions (6) comprising at least one layer of thermally insulating material, so as to maintain a temperature therein that is below the prevailing temperature in said module storage zone (2).
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE NANTES (France)
Inventor
Deschamps, Marc
Lecuyer, Margaud
Perticarari, Sofia
Poizot, Philippe
Odobel, Fabrice
Gaubicher, Joël
Guyomard, Dominique
Abstract
The invention relates to the use of a bis(pyridinium)-naphthalene diimide redox ionic compound as an active electrode material, in particular for an aqueous electrolyte battery, a negative electrode comprising at least said bis(pyridinium)-naphthalene diimide redox ionic compound, a battery, in particular an aqueous electrolyte battery comprising the negative electrode, and specific bis(pyridinium)-naphthalene diimide redox ionic compounds.
H01M 4/60 - Selection of substances as active materials, active masses, active liquids of organic compounds
H01M 10/0564 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
52.
ANALOGUE OVERALL BALANCING SYSTEM FOR AN ASSEMBLY OF CAPACITIVE-EFFECT ELECTRICAL ENERGY STORAGE DEVICES, RECHARGEABLE STORAGE MODULE, ELECTRIC VEHICLE AND ELECTRICAL INSTALLATION COMPRISING SUCH A SYSTEM
The invention relates to an analogue system (300) for balancing a rechargeable electrical energy storage assembly (100) comprising a plurality of capacitive-effect electrical energy storage devices (DC1,..., DCn) connected to one another in series, said system (300) comprising a balancing device (302i) for each storage device (DCi), including: a bypass circuit (304i) for said storage device (DCi), and a first comparator (106i), arranged to control said bypass circuit (304i) according to the voltage across the terminals of said storage device (DCi) and according to a balancing voltage (Veq); a second comparator (206), arranged to control an open state of the bypass circuit (304i) of each storage device (DCi) according to a switch-off voltage (V∑), and according to the voltage across the terminals of each storage device (DCi).
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
53.
LOCAL ANALOGUE EQUILIBRATING SYSTEM FOR A SET OF DEVICES FOR STORING ELECTRICAL POWER VIA A CAPACITIVE EFFECT, ELECTRICAL INSTALLATION, TRANSPORT VEHICLE AND RECHARGEABLE STORAGE MODULE COMPRISING SUCH A SYSTEM
The invention relates to an analogue system (300) for equilibrating an assembly (100) for storing electrical power comprising a plurality of devices (DC1-DCn) for storing electrical power via a capacitive effect, said devices being connected together in series, said system comprising, for each storage device (DCi), an equilibrating device (302i) including: - a circuit (304i) for bypassing said storage device (DCi), said circuit being controllable between a closed state and an open state; and - a first voltage comparator (106i) for controlling said bypass circuit (304i) into an open or closed state depending on an equilibration voltage; and - a second voltage comparator (206i) for controlling said bypass circuit (304i) into an open or closed state depending on a switch-off voltage.
The present invention relates in particular to a very high capacitance film capacitor (1) that comprises a dielectric layer (100) consisting of at least one dielectric film (100a,..., 100i), each dielectric film (100a,..., 100i) of this dielectric layer (100) having the following parameters: - a relative dielectric permittivity [εf i] such that εf i ≥ 10, - a thickness [ef i] such that 0.05 µm ≤ ef i ≤ 50 µm, - a dielectric strength [Ef i] such that Ef i ≥ 50 V/µm, parameters in which "f" signifies "film" and i ≥ 1, "i" designating the "ith" dielectric film (100i) of said dielectric layer (100), this dielectric layer (100) separating a first electronic charge carrier structure (200) from a second electronic charge carrier structure (300), these two structures having an opposite surface (S) separated by the dielectric layer(100).
The invention relates to a method for the production of a cylindrical, alkali metal-ion hybrid supercapacitor, and to the resulting cylindrical, alkali metal-ion hybrid supercapacitor.
H01G 11/06 - Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
H01G 11/14 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
H01G 11/50 - Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
H01G 11/62 - Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
H01G 11/84 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof
56.
METHOD AND SYSTEM FOR MANAGING ELECTROCHEMICAL BATTERIES OF A POWER SUPPLY FACILITY IN CASE OF BATTERY FAILURE.
The invention relates to a method (300) for managing multiple rechargeable electrical energy storage modules of a power supply facility, arranged in parallel, said method (300) comprising: - separating (302) the modules into at least two groups, and - supplying power (304) using said groups one at a time; the method (300) also comprising a step (314) of replacing a faulty module of a group, referred to as the active group, while being supplied by an available module of another group, referred to as the available group. The invention also relates to a system implementing such a method and a power supply facility implementing such a method or system.
The invention relates to a method (300) for managing a plurality of rechargeable electrical energy storage modules of an electrical power supply installation, which modules are arranged in parallel with one another, said method (300) comprising: - separating (302) said modules into at least two groups; and - supplying power (304) from one of said groups at a time; said method (300) comprising a regulating phase (306) within at least one group, referred to as the passive group, comprising supplying power (306) to at least one module, referred to as the passive module, of said passive group by at least one other module, referred to as the functional module, of said passive group. It also relates to a system implementing such a method and an electrical power supply installation implementing such a method or system.
The present invention relates to a method for reducing the internal impedance of a lithium battery chosen among lithium metal polymer batteries and lithium ion polymer batteries. The method comprises at least a first step consisting of bringing the battery to a temperature T1 of at least 50 °C, and at least a second step during which the temperature T1 of the battery is maintained while applying a pressure of at least 0.5 bars for a duration of 5 hours to 1 week.
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 10/04 - Construction or manufacture in general
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Lecuyer, Margaud
Deschamps, Marc
Gaubicher, Joël
Poizot, Philippe
Guyomard, Dominique
Lestriez, Bernard
Abstract
The present invention relates to the field of organic lithium batteries having high energy and power densities. In particular, the present invention relates to an organic lithium battery comprising a positive electrode based on redox organic compounds and a porous separator made of biaxially oriented polypropylene, and to its process of manufacture.
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
60.
LITHIUM METAL POLYMER BATTERY HAVING A HIGH ENERGY DENSITY
The invention relates to a lithium metal polymer (LMP) battery that has a high energy density and comprises a positive electrode containing a high-potential positive electrode active material and an AB-type or BAB-type block copolymer where A is an ethylene oxide block and B is a lithium bis(trifluoromethylsulfonyl)imide-based anionic polymer block.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
The invention (1) relates to a container for storing at least one electrical energy storage unit, characterised in that at least one of the walls thereof is provided with at least one vent hatch (3) which is movable between a closed, so-called normal position, in which it closes said wall, and an open, so-called safety position in which it allows the inner space (E) of said container to communicate with the outside; and in that it comprises: at least one smoke detector (D) which, when activated, is designed to trigger the automatic movement of said hatch (3) from said normal position to said safety position; and/or management means designed to measure an operating parameter of said storage unit (4) and to trigger the automatic movement of said hatch (3) from said normal position to said safety position as soon as the measurement carried out reaches a pre-determined set value.
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 2/12 - Vent plugs or other mechanical arrangements for facilitating escape of gases
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
62.
LITHIUM METAL POLYMER BATTERY HAVING A HIGH ENERGY DENSITY
The invention relates to a lithium metal polymer (LMP) battery that has a high energy density and comprises a positive electrode containing a high-potential positive electrode active material and an AB-type or BAB-type block copolymer where A is an ethylene oxide block and B is a lithium bis(trifluoromethylsulfonyl)imide-based anionic polymer block.
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
The invention relates to a stationary shelter (1) for storing at least one electrical energy storage unit (U). The shelter is characterised in that it comprises: at least one element (35) for receiving said unit, configured in such a way that said electrical energy storage unit (U) can be inserted into it or removed from it through an access opening (11) in the shelter (1); a device (2) for lifting and handling said unit (U), disposed inside said shelter (1) above the topmost receiving element (35) in the shelter (1); and in that the lifting device (2) comprises a fixed part rigidly secured to at least one inner wall of said shelter (1) and a movable part (21) configured to be movable between a retracted position inside said shelter and a working position, outside said shelter (1), in which it enables an energy storage unit to be loaded and unloaded.
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
B66C 1/00 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles
E04H 5/04 - Transformer housesSubstations or switchgear houses
64.
STATIONARY SHELTER FOR STORING AT LEAST ONE ELECTRICAL ENERGY STORAGE UNIT
The invention relates to a stationary shelter (1) for storing at least one electrical energy storage unit (U). The shelter is characterised in that it comprises at least one element (30, 31) for receiving said unit (U), configured in such a way that said unit (U) can be inserted into it or removed from it through an access opening (11) provided in a wall of said the stationary shelter (1), and in that it comprises a device (2) for lifting and handling said unit (U) that enables the latter to be loaded into the receiving element (30, 31) and unloaded therefrom, which lifting and handling device (2) is attached to at least one outer surface of said shelter (1) via assembly means (18).
B66C 1/00 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
E04H 5/04 - Transformer housesSubstations or switchgear houses
65.
ELECTRICAL ENERGY STORAGE MODULE AND METHOD FOR PRODUCING SAME
The invention concerns an electrical energy storage module (1) containing electrical energy storage elements (3), and a method for producing same. This module is remarkable in that it comprises: - a parallelepiped casing (2) made of sheet metal, inside which said electrical energy storage elements (3) are housed, - at least one electronic board (4), arranged in a façade element (50), which is itself attached to one of the faces of said parallelepiped casing (2), and in that said electrical energy storage elements (3) are held in place and immobilised in the casing (2) by two layers of resin extending only over a portion of the height of same and arranged at the two ends of the electrical energy storage elements (3).
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01G 9/00 - Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devicesProcesses of their manufacture
H01G 11/00 - Hybrid capacitors, i.e. capacitors having different positive and negative electrodesElectric double-layer [EDL] capacitorsProcesses for the manufacture thereof or of parts thereof
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
66.
RECONFIGURABLE CAPACITIVE ENERGY STORAGE DEVICE, POWER SUPPLY SYSTEM AND ELECTRIC VEHICLE INCORPORATING SAID DEVICE
The invention is intended for use in the field of electrical energy storage by means of the capacitive effect, in particular for powering electric or hybrid autonomous vehicles. The invention relates to an electrical energy storage device that is reconfigurable, i.e. the internal connections between the different constituent energy storage modules can be modified. The device (100) according to the invention comprises: M × N storage modules (111-122), where M and N are two strictly positive natural numbers, in which each storage module can store electrical energy by means of the capacitive effect between a negative terminal and a positive terminal; contactors (131-140) arranged to allow Mi × Ni storage modules to be connected by their terminals using different associations, each association designated by a subscript i having Mi branches (151-153) connected in parallel and each branch comprising Ni storage modules connected in series, where Mi × Ni ≤ M × N; and positive (102) and negative (101) electrical connection terminals to which the ends of the branches connected in parallel can be connected in each association.
H01G 11/08 - Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
H01G 11/10 - Multiple hybrid or EDL capacitors, e.g. arrays or modules
H01G 11/14 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
The invention relates to an electrical energy storage module (1), comprising an enclosure (21) inside which is housed at least one electrical energy storage element (31), said enclosure (21) being closed by a cover (22) provided with two output terminals (41, 42) having positive and negative polarity respectively. Said module is remarkable in that at least one of the two output terminals (41, 42) comprises a flexible cable (410, 420) having an electrically conductive central core surrounded by an electrically insulating sleeve and provided at the free end thereof with an electrical connector (43, 44), and in that said flexible cable (410, 420) passes through the cover (22) in such a way as to present an electrical contact area (413, 423) on the inside face (222) of said cover, said electrical contact area (413, 423) being in electrical contact with said electrical energy storage element (31), and in that the output terminal (43, 41) comprises an electrical connector (44, 43).
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Deschamps, Marc
Bodenez, Vincent
Lestriez, Bernard
Soudan, Patrick
Gaubicher, Joel
Guyomard, Dominique
Abstract
The present invention concerns a composite positive electrode for a lithium battery, in particular a lithium-metal polymer (LMP) battery, the use of same for producing an LMP battery and an LMP battery comprising same.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/02 - Electrodes composed of, or comprising, active material
69.
STATIONARY SHELTER FOR STORING AT LEAST ONE ENERGY STORAGE ELEMENT
The invention relates to a stationary shelter (1) for storing at least one energy storage element, referred to as "element" (E), comprising at least one position (10) for storing an element. The shelter is characterised in that it comprises a sliding mounting (3) on either side of said storage position (10), the two sliding mountings (3) being arranged at the same height and opposite one another, in that each sliding mounting (3) comprises a stationary portion (30, 32) rigidly connected to said shelter (1) and a movable portion (34, 36) configured to receive and support said element (E) and to be able to slide relative to said stationary portion (30, 32) between a retracted position, in which it is located inside the shelter (1) and an extended position, in which it is located outside the shelter (1) and allows the loading and unloading of said element (E) by the top, and in that at least one of the sliding mountings (3) is provided with means (7) for locking the mobile portion (34, 36) in the extended position.
The invention relates to a system comprising at least one electrical energy storage assembly comprising a terminal, an electrical connection element intended to be connected to the terminal and a protection element (10) for the terminal, said element being made of an electrically insulating material completely covering the terminal, said protection element (10) comprising a first orifice (12) intended to receive the associated electrical connection element, characterized in that the dimensions of the first orifice (12) are such that the free play between the outline of the first orifice (12) and the electrical connection element which passes through this first orifice (12) prevents any contact of a finger with the terminal. The invention also relates to such a protection element (10).
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE NANTES (France)
Inventor
Lecuyer, Margaud
Deschamps, Marc
Gaubicher, Joël
Poizot, Philippe
Guyomard, Dominique
Lestriez, Bernard
Abstract
The invention relates to the field of organic lithium batteries having high energy and power densities. The invention particularly relates to an organic lithium battery comprising a positive electrode based on organic redox compounds as well as a porous biaxially oriented polypropylene separator, and to a method for the production thereof.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE NANTES (France)
Inventor
Lecuyer, Margaud
Deschamps, Marc
Gaubicher, Joël
Poizot, Philippe
Guyomard, Dominique
Lestriez, Bernard
Abstract
The present invention relates to the field or organic lithium batteries having high energy and power densities. More particularly, the present invention relates to an organic lithium battery comprising a positive electrode made of organic redox compounds and an electrolyte comprising a high concentration of lithium salt, and a method for manufacturing same.
b) from the cutting of a strip of material moving continuously, characterized in that the device includes a spreader (32, 33) for spreading the strands of material apart in a transverse direction (v) extending in the movement plane (P2) of the strands of material, perpendicularly to the movement direction of said strands of material.
H01G 13/00 - Apparatus specially adapted for manufacturing capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
H01G 11/84 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof
H01M 10/04 - Construction or manufacture in general
B65H 57/16 - Guides for filamentary materialsSupports therefor formed to maintain a plurality of filaments in spaced relation
B65H 23/038 - Controlling transverse register of web by rollers
A system and method for producing a strip of electrical energy storage complex The present invention concerns a method for producing a strip of electrical energy storage complex, the method comprising the steps consisting of: —unwinding (100) a strip of continuous material, —longitudinally cutting (200) the strip of material so as to form at least two strands of material from the strip of material, —transversely separating (300) the strands of material in a separating direction that extends: —in a winding plane of the strands of material, —perpendicular to a winding direction of the strands of material, —forming (400) at least one electrolyte layer on the separated strands of material in order to obtain a complex, and —longitudinally cutting (500) the complex to obtain the strip of electrical energy storage complex.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE NANTES (France)
Inventor
Lecuyer, Margaud
Deschamps, Marc
Gaubicher, Joël
Lestriez, Bernard
Guyomard, Dominique
Poizot, Philippe
Abstract
The invention relates to the field of lithium-sulphur batteries of high energy and power densities. The invention especially relates to a lithium-sulphur battery comprising a biaxially oriented polypropylene porous separator and to the method for the production thereof.
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
The present invention relates to a rolling device including a stationary first assembly (110), comprising at least one first rolling cylinder (110), and a movable second assembly (120), comprising at least one second rolling cylinder (122). The second assembly (120) is movable along at least one degree of freedom relative to the stationary first assembly (110) such that the axis (X2) of the second cylinder (122) is movable relative to that of the first cylinder (110) so as to control the distance between the cylinders (110, 120). Said rolling device is characterized in that it includes: a resilient contact means (130) that exerts a first force on the movable assembly (110), said resilient contact means (130) being configured so as to give way when the reaction force exerted by the movable assembly (110) on these latter is greater than a predetermined threshold force; and a control means (160) that exerts, on the movable assembly (110), a second force having a component essentially opposite the force exerted by the resilient contact means (130).
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
B29C 43/30 - Making multilayered or multicoloured articles
H01M 2/14 - Separators; Membranes; Diaphragms; Spacing elements
H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
me. The invention relates to “lithium” batteries, the negative electrode of which is made of lithium metal, and to “lithium ion” batteries, the negative electrode of which comprises a lithium-ion insertion material.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE NANTES (France)
Inventor
Lecuyer, Margaud
Deschamps, Marc
Gaubicher, Joël
Lestriez, Bernard
Guyomard, Dominique
Abstract
The present invention relates to a positive electrode which includes a composite material, containing sulfur and carbon, as an active material. The invention also relates to the method for manufacturing said electrode, to a lithium-sulfur battery including such a positive electrode, and to the method for manufacturing said battery.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
The invention relates to a method of controlling the operation of the electrical power supply to an electric motor vehicle comprising at least two energy storage modules connected in parallel, said modules being able to provide the motor with a delivered electrical power lying between a predetermined minimum power and a predetermined maximum power, noteworthy in that the method comprises the following steps: —detection (100, 110) of an operating anomaly of at least one defective module, —reduction (120, 130) of the maximum power that can be provided by the modules, —electrical disconnection (140) of each defective module, the disconnection step being implemented after the reduction of the maximum power.
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 15/38 - Control or regulation of multiple-unit electrically-propelled vehicles with automatic control
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
80.
METHOD AND SYSTEM FOR MANAGING A PLURALITY OF ENERGY STORAGE ASSEMBLIES
The invention is aimed at a method of managing a plurality of energy storage assemblies (18A-18C, 20) intended to provide the electrical energy to an object to be powered (16) during a discharge phase, the storage assemblies being linked electrically in parallel, at least one DC current converter (22, 24) being interposed between the energy storage assemblies and the object to be powered, so that the energy originating from each storage assembly is converted in a manner independent of that originating from the other assemblies, the method being characterized in that during the discharge phase: at least one parameter relating to each storage assembly is measured, as a function of the parameters measured for all the assemblies and of at least one output power relating to the object to be powered, there is determined for the or each converter at least one setpoint relating to a respective electrical quantity at output, so that a distinct setpoint is associated with each of the assemblies, the converter or converters is or are controlled so that the corresponding setpoint is applied. The invention is also aimed at a system allowing the application of the method according to the invention.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
81.
ASSEMBLY FOR STORING ELECTRICAL ENERGY, AND ASSOCIATED PRODUCTION METHOD
The invention relates to an assembly for storing electrical energy (10) comprising a storage element (16) comprising at least one elementary cell (18) comprising first and second electrode complexes (19, 20) stacked in a stacking direction (21), said elementary cell further comprising a first separator (26) made of a plastic material extending between the first and second electrode complexes, and an outer shell (11) receiving the storage element (16), the shell comprising two separate surfaces (15, 14) forming electrical terminals of the assembly having opposite polarities, the one or more first complexes (19) being electrically connected to a first terminal (15) and the one or more second complexes (20) being electrically connected to a second terminal (14), in which the element comprises at least one additional layer (29, 30) extending at least at one end (31, 32) of the storage element in the stacking direction, each additional layer being made up of a component identical to one of the components of the elementary cell (18), none of the additional layers of a single end of the storage element being connected to the terminal having the opposite polarity to the terminal to which the electrode complex adjacent to said additional layers is connected.
H01G 11/18 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
H01M 10/04 - Construction or manufacture in general
82.
Method for charging a battery and battery thus charged
ji) for the ith charge and/or said total connection time to be determined was memorized in a memory of the battery during this at least one preceding charge.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
G05F 1/00 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
G01R 31/04 - Testing connections, e.g. of plugs or non-disconnectable joints
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
The invention relates to an energy storage module (10) comprising a plurality of energy storage assemblies (100) positioned side by side, and a rigid enclosure (12) intended for surrounding the storage assemblies, each assembly including at least one side wall closed at each end by an end surface, wherein the storage assemblies are electrically connected in pairs by conductive strips (110) extending over at least one end surface of each assembly, the strips being arranged such that one strip connects a first end surface of at least one predetermined assembly to an end surface of a first adjacent assembly and a second strip connects a second surface of the predetermined assembly to an end surface of a second adjacent assembly. The module also includes at least one electrically insulating member (120), made of an electrically insulating material and comprising a bottom (122) and a rim (124) extending essentially perpendicular to the bottom and surrounding same, each electrically insulating member (120) being associated with a strip (110) and fitted onto the end surfaces of two adjacent assemblies connected by the strip such that the bottom is parallel to the end surfaces and the rim runs alongside the side walls of the two assemblies while overlapping same over at least a portion of the height thereof.
H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
84.
ELECTRICITY STORAGE UNIT AND ASSEMBLY METHOD FOR SUCH A UNIT
The present invention relates to an electricity storage unit comprising a plurality of energy storage cells (1) positioned side by side and a rigid enclosure (10) surrounding said cells (1), comprising two separate parts (100A, 100B), a first part of the enclosure comprising at least one reference wall, in particular made up of a lower wall (110A), the unit comprising: - at least one stop (200, 220, 230) made from an elastically deformable material that comprises at least one so-called main wall (214, 224, 240), extending along a plane essentially normal to the reference wall (110A) and which is positioned between two of the cells (1), such that at least one stop (200, 220, 230) is placed between each pair of adjacent cells (1), and - pressing means (300) designed to bear on a face of each of the cells (1) in order to press each cell (1) against the reference wall (110A), the pressing means (300) being removably fastened to the first part (100A) of the enclosure (10).
The subject of the invention is an installation (10) able to be electrically autonomous comprising elements to be powered (12, 20) from among which: - a building (12) comprising at least one room delimited by at least one wall and one roof, and - an electricity distribution terminal (20), situated outside the building and comprising means of connection for the connection to at least one external electrical apparatus, the installation comprising means for powering the elements comprising: - means for generating energy (16) on the basis of a natural source, - means for storing energy (56), - means of interconnection (58, 62, 64) of the means of storage and/or of the means of generation to the elements to be powered, the installation also comprising: - means of measurement (72) of at least one parameter relating to the energy stored in at least one part of the energy storage means, and - means of control (66, 68, 67) of the means of interconnection as a function of the values obtained by the measurement means, so that if the energy stored in the at least one part of the storage means is less than a threshold value, the electrical powering of at least one of the elements (20) other than the building is prohibited.
The subject of the invention is an energy storage module (10) comprising a plurality of energy storage assemblies (12) electrically connected to one another, the module comprising an external casing (40) in which are arranged the storage assemblies (12) and at least one heat exchanger (24), the module being characterized in that: - the energy storage assemblies (12) are arranged side by side on at least two distinct levels (N1, N2), the or at least one of the heat exchangers (24) being positioned between two adjacent levels so as to be in thermal contact with at least one storage assembly of each of the two adjacent levels on two opposite respective contact faces (26A, 26B) of the exchanger, - said or at least one of said exchangers (24) is fixed to the casing (40) of the module at least at a securing wall (28) that is distinct from the contact faces (26A, 26B), the securing walls of the exchanger and of the casing being configured in such a way that the module has a space between the corresponding securing walls (28; 44) of the exchanger and of the casing, at least at a location distinct from a securing site (70).
H01G 11/18 - Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
H01G 11/10 - Multiple hybrid or EDL capacitors, e.g. arrays or modules
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
H01G 9/26 - Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
87.
ASSEMBLY FOR STORING ELECTRICAL ENERGY, COMPRISING A PRESSURE-INCREASING ACCELERATOR
The invention relates to an assembly for storing electrical energy (1), comprising: an envelope comprising a body (10) having at least one side wall (11) and at least one open end, and at least one cover (20) for closing the at least one open end of the body; at least one energy storage element (50) arranged inside the envelope; and an electrolyte solution also inside the envelope. The invention is characterised in that the storage assembly also comprises: a pressure-increasing accelerator (40) for generating an overpressure inside the assembly when the temperature inside the assembly is higher than a temperature threshold, especially at between 120°C and 140°C; and means (30) for the local fracturing of the envelope when the pressure inside the envelope is higher than a pressure threshold.
The invention concerns a positioning spacer for positioning electrical energy storage elements, such as supercapacitors or ultracapacitors connected in series, in an electrical energy storage module, wherein the spacer comprises a first support part and a second part forming a rim relative to the first part, the positioning spacer comprising, at the free end of the second part thereof, at least one housing recess, the spacer being made from an electrically insulating material.
B23P 19/00 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes
H01G 11/10 - Multiple hybrid or EDL capacitors, e.g. arrays or modules
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
89.
ELECTRICAL VEHICLE AND ASSOCIATED TRANSPORT FACILITY
The invention relates to an electrical vehicle (100), including an electric engine (102) and on-board energy storage means (104, 106) that are electrically connected to the engine in order to supply same with electrical energy, in which the energy storage means include a first energy storage module (104) including at least one supercapacitor, and a second energy storage module (106) including at least one battery, the first and the second energy storage modules (104,106) being arranged on parallel electrical branches, the vehicle including interconnection means (108), arranged between the energy storage means (104, 106) and the engine (102), capable of electrically connecting the two electrical arms to the engine (102) and configured such that a single one of the two electrical arms is connected to the engine (102) at a time. The invention also relates to a facility comprising the vehicle (100) and at least one station (200) for recharging the vehicle.
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
90.
Method for manufacturing a unit for storing electrical energy
The invention relates to a method for manufacturing a unit for storing electrical energy, comprising a cover and an outer casing, the method including a closing step (400) consisting of contactlessly applying a compressive force to one of the parts forming the storage unit, such that the cover and the outer casing are mechanically titled into one another so as to close the outer casing using the cover by means of the engagement of the shapes thereof.
H01G 13/00 - Apparatus specially adapted for manufacturing capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
91.
METHOD FOR PRODUCING A MODULE FOR THE STORAGE OF ELECTRICAL ENERGY, ASSOCIATED PRODUCTION TOOL, AND MODULE FOR THE STORAGE OF ELECTRICAL ENERGY, OBTAINED BY IMPLEMENTING THE METHOD
The invention relates to a module including assemblies for storing electrical energy, and to a tool and a method for producing such a module, said method comprising the positioning of at least one electroconductive strip on the assemblies, the position of the at least one strip being pre-determined in relation to at least one reference plane. The invention also relates to a tool allowing the production of said module. Said tool comprises elements allowing the elements (capacitors) to be held against each other while the connection strips are welded to the elements.
The invention relates to a cover (40) for an energy storage unit, which is to be inserted at an end of a casing (20) in which a capacitive element (30) of the unit is arranged, the cover comprising at least one sidewall (43) which to be arranged opposite at least one sidewall of the casing and two end walls (41, 42), characterized in that a plurality of cavities (46, 48) are provided in the cover, at least one first cavity (46) opening onto the sidewall(s) (43) and onto an end wall (41), and at least one second cavity (48) opening onto the sidewall(s) (43) and onto the other end wall (42), the first cavity or cavities opening onto the sidewall(s) (43) in one or more first portions extending over a portion of the periphery of the sidewall(s), while the second cavity or cavities (48) open onto the sidewall(s) (43) in one or more second portions extending over a portion of the periphery of the sidewall(s).
H01G 13/00 - Apparatus specially adapted for manufacturing capacitorsProcesses specially adapted for manufacturing capacitors not provided for in groups
The invention relates to a clamping cylinder (100) comprising a body (110) and a movable assembly (102) contained in a receiving chamber (112) of the body, rotatable and translatable relative to the body along a predetermined movement axis (V), the cylinder comprising guide means (142; 150) in order to guide the movable assembly between a clamping position and a free position. The guide means comprise: - at least one cylindrical roller (150A-150D) arranged on the body of the cylinder such that the axis of the roller is essentially perpendicular to the movement axis (V), - a rod (104) of the movable assembly extending along the movement axis and being configured so as to comprise at least one movement portion (142) having a polygonal section in a plane normal to the movement axis, the section comprising at least one rectilinear edge, the movement portion (142) being configured such that said section follows an essentially helical base line around the movement axis over at least a fraction (143) of the portion, the rod (104) and the rollers (150A-150D) being positioned such that a roller is arranged across from each of the sides of the polygonal section.
F15B 15/06 - Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non-rectilinear movement
B25B 5/06 - Arrangements for positively actuating jaws
H01M 10/04 - Construction or manufacture in general
The invention relates to a die for manufacturing a film by extrusion, comprising two blocks (100, 200) that define a flow duct (110) between one another, at least one (200) of the two blocks comprising a body (210) that has a deformable portion (220) for modifying the outlet opening of the die, characterized in that means (300) for subjecting the deformable portion to a force comprise at least one bearing part (310) that extends in a general direction (V) perpendicular to the direction (L) of flow at the die outlet and comprises a first end (312) bearing against the deformable portion (220), adjusting means (350, 380) in contact with the bearing part (310) modifying the position of this part.
The invention relates to an installation (10) for returning energy to an item of equipment, comprising at least one photovoltaic cell (20A-20D; 22A-22B), at least one energy provision device (12) comprising means of electrical connection (14), at least one energy storage assembly (18A, 18B), linked on the one hand to at least one of the photovoltaic cells and on the other hand to at least one of the energy provision devices so as to provide it with the electrical energy, and an inverter (28, 30) interposed between at least one of the energy storage assemblies and at least one of the energy provision devices, so that the electricity transmitted to the provision device is in the form of alternating current. The invention also relates to a charging module comprising at least one energy storage assembly and at least one inverter.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Deschamps, Marc
Bodenez, Vincent
Lestriez, Bernard
Soudan, Patrick
Gaubicher, Joël
Guyomard, Dominique
Abstract
The present invention concerns a composite positive electrode for a lithium battery, in particular a lithium-metal-polymer (LMP) battery, the use of same for producing an LMP battery and an LMP battery comprising same.
ABSTRACT A system and method for producing a strip of electrical energy storage complex The present invention concerns a method for producing a strip of electrical energy storage complex, the method comprising the steps consisting of: -unwinding (100) a strip of continuous material, -longitudinally cutting (200) the strip of material so as to form at least two strands of material from the strip of material, -transversely separating (300) the strands of material in a separating direction that extends: - in a winding plane of the strands of material, - perpendicular to a winding direction of the strands of material, -forming (400) at least one electrolyte layer on the separated strands of material in order to obtain a complex, and -longitudinally cutting (500) the complex to obtain the strip of electrical energy storage complex. Abstract figure: Figure
The invention relates to a device (30) for separating at least two strands of material (12a, 12b) from the cutting of a strip of material moving continuously, characterized in that the device includes a spreader (32, 33) for spreading the strands of material apart in a transverse direction (v) extending in the movement plane (P2) of the strands of material, perpendicularly to the movement direction of said strands of material.
ABSTRACT A system and method for producing a strip of electrical energy storage complex The present invention concerns a method for producing a strip of electrical energy storage complex, the method comprising the steps consisting of: -unwinding (100) a strip of continuous material, -longitudinally cutting (200) the strip of material so as to form at least two strands of material from the strip of material, -transversely separating (300) the strands of material in a separating direction that extends: - in a winding plane of the strands of material, - perpendicular to a winding direction of the strands of material, -forming (400) at least one electrolyte layer on the separated strands of material in order to obtain a complex, and -longitudinally cutting (500) the complex to obtain the strip of electrical energy storage complex. Abstract figure: Figure
The invention relates to a device (30) for separating at least two strands of material (12a, 12b) from the cutting of a strip of material moving continuously, characterized in that the device includes a spreader (32, 33) for spreading the strands of material apart in a transverse direction (v) extending in the movement plane (P2) of the strands of material, perpendicularly to the movement direction of said strands of material.
B65H 23/038 - Controlling transverse register of web by rollers
B65H 35/02 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
H01G 4/00 - Fixed capacitorsProcesses of their manufacture
