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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to the simultaneous use of a first salt comprising a nitrate anion (NO3?) 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.

Abstract: 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.

Abstract: The present invention relates to a process for decreasing the internal impedance of a lithium battery chosen from lithium-metal-polymer batteries and lithium-ion polymer batteries, said process comprising at least one first step consisting in raising said battery to a temperature T1 of at least 50° C., and at least one second step in which said battery is maintained for between 5 hours and 1 week at the temperature T1 while applying a pressure of at least 0.5 bar.

Abstract: Provided is an analogue system for balancing a rechargeable electrical energy storage assembly including a plurality of capacitive-effect electrical energy storage devices connected to one another in series, the system including a balancing device for each storage device, including: a bypass circuit for the storage device, and a first comparator, arranged to control the bypass circuit according to the voltage across the terminals of the storage device and according to a balancing voltage; a second comparator, arranged to control an open state of the bypass circuit of each storage device according to a switch-off voltage, and according to the voltage across the terminals of each storage device.

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.

Abstract: Organic lithium batteries are provided having high energy and power densities with a positive electrode based on redox organic compounds and an electrolyte having a high concentration of lithium salt.

Abstract: The present invention concerns a positive electrode including a composite material including sulfur and carbon as an active material and its method of manufacture, a lithium-sulfur battery including such a positive electrode and its method of manufacture.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to a lithium battery, the operation of which is security-protected by the interposition of resilient films. The battery is made up of a battery cell PEN, which comprises a film of an electrolyte E containing a lithium salt between a film P forming a positive electrode and a film N forming a negative electrode, or made up of a stack of battery cells PEN, said stack comprising two terminal battery cells between which are optionally placed one or more intermediate battery cells, said battery being characterized in that it comprises at least two protective films Fp made of a resilient material, at least one of the electrodes of the battery cell or of each terminal battery cell being in contact with a protective film Fp made of a resilient material.

Abstract: 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.

Abstract: 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: The present invention relates to the field of lithium-sulphur batteries having high energy and power densities. In particular the present invention relates to a lithium-sulphur battery comprising a porous separator made of biaxially oriented polypropylene and to its process of manufacture.

Abstract: An energy storage module (10) including a plurality of energy storage assemblies (12) electrically connected to one another, the module including an external casing (40) in which are arranged the storage assemblies (12) and at least one heat exchanger (24). The energy storage assemblies (12) are arranged side by side on at least two distinct levels (N1, N2). The heat exchangers (24) are positioned between two adjacent levels. The exchangers (24) are 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 and the casing are configured so that the module has a space between the corresponding securing walls (28; 44) of the exchanger and of the casing.

Abstract: 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).

Abstract: 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