Abstract: The present application relates to fluoropolymer-based, solvent-free electrode formulations obtained by extrusion and/or comprising one or more co-binders including TPU, to electrodes containing the same and to corresponding electrochemical elements and storage cells.

Abstract: A battery including a housing, a plurality of battery cells in the housing, and a spring plate providing a biasing force against the plurality of battery cells. The spring plate is configured such that a tension of the spring plate may be adjusted from outside of the housing.

Abstract: A multi-layer cathode coating for positive electrode of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and a secondary battery including a cathode having a multi-layer cathode coating. Multi-layer cathode coatings containing blends of one or more cathode active materials in certain weight ratios thereof.

Abstract: The present electrochemical element for a battery comprises a first electrode of a first polarity, a first connection member for the first polarity, a second electrode of a second polarity, a second connection member for the second polarity, and a casing comprising a first wall and a second wall. The casing comprises a first edge and a second edge which form an enveloping geometric shape having a corner. The first connection member and the second connection member are arranged completely within the enveloping geometric shape. The first connection member and the second connection member are arranged in a first corner of the enveloping geometric shape.

Abstract: A power distribution unit for a vehicle including an enclosure and power distributing means for distributing electrical power between a battery and a load application, the enclosure including an external casing and an internal casing having a faceplate and a mounting plate, the mounting plate having upper dielectric partitions protruding upward from a top face of the mounting plate, and the power distributing means being mounted on the mounting plate, wherein the upper dielectric partitions are configured to both maintain a separation between different voltage groups and define an insulating barrier between components of the power distributing means, the internal cartridge is configured to be inserted into the external casing, and the enclosure is configured to be sealed from an external environment.

Abstract: The invention relates to a method for predicting the remaining life of an electrochemical cell having a SOC-OCV characteristic with a planar portion extending between two limits, said method comprising the steps of obtaining voltage and current measurements from the electrochemical cell during a discharge, detecting a limit; calculating the values at the voltage limit detected and the amount of charge lost; predicting the resistance and capacitance of the electrochemical cell by applying respective predictive functions obtained by a learning technique to the voltage and the amount of charge lost at the limit detected; and predicting the remaining life of the electrochemical cell from the predicted resistance and predicted capacitance.

Abstract: The present invention relates to a method for determining the lifetime of an electrochemical element of a battery in real time as a function of a determined application, applicable in the field of primary type batteries. The method comprises: —a step (1) of measuring at least one intensity value (I) of the current provided by the electrochemical element and of measuring at least one temperature value (T) of the electrochemical element in the determined application; —a step (4) of computing total lifetime allowing the availability time of the electrochemical element to be computed on the basis of a determined initial time, as a function of the one or more current intensity value(s) (I) and of the one or more temperature values (T) measured during the measuring step (1), as a function of a determined value of the capacity of the electrochemical element, of the cut-off voltage of the determined application, and of the background current of the determined application.

Abstract: A compound of formula LixMn2-y-zNiyMO4-d-cFc (LMNO) where M is one or more elements chosen from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Fe, Co, Cu, Zn, Y, Zr, Nb, Ru, W and Mo; and 1?x?1.4; 0<y?0.6; 0?z?0.2; 0?d?1; 0?c?1 and the surface of which is at least partially covered with a coating of an oxide or of a lithium oxide. The oxygen of the oxide is partially substituted with fluorine. In the lithium oxide, either the lithium is partially substituted with Na, K or Mg, or the oxygen is partially substituted with fluorine, or the lithium is partially substituted with Na, K or Mg, and the oxygen is partially substituted with fluorine. The creation of the coating makes it possible to reduce the affinity of the LMNO compound for water.

Abstract: The invention relates to a mixture comprising: —more than 50 to 99% by weight of a lithium phosphate of manganese and iron—1 to less than 50% by weight of at least one lithium oxide of nickel, manganese and cobalt or at least one lithium oxide of nickel, cobalt and aluminium, or of a mixture of these two oxides, these two lithium oxides being rich in nickel. This mixture can be used as active material of the cathode of a lithium-ion electrochemical element. The charging profile of the element has a plateau indicating the end of charging.

Abstract: A paste electrode comprising a current collector support, which is coated on at least one of its faces with a coating composed of a composition comprising an active material comprising an alloy of zinc with one or more chemical elements, and one or more binders. This electrode may be used as an anode of an electrochemical cell comprising alkaline electrolyte. The coating contains at most 0.5% by mass of mercury or mercury compound. The electrode in spite of this presents effective resistance to corrosion by the electrolyte.

Abstract: The present invention relates to an active material for positive electrode, suitable for solid-state lithium sulfide electrochemical elements, comprising an ionically conductive and electronically conductive electrolyte, and to electrochemical elements comprising same.

Abstract: A multi-layer cathode coating for positive electrode of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and a secondary battery including a cathode having a multi-layer cathode coating. Multi-layer cathode coatings containing blends of one or more cathode active materials in certain weight ratios thereof.

Abstract: The present disclosure relates to blended cathode materials for use as a positive electrode material of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and also relates to a secondary battery including a cathode having the blended cathode materials. In particular, disclosed are blends of lithium vanadium fluorophosphate (LVPF) or a derivative thereof with one or more conventional cathode active materials in certain weight ratios thereof.

Abstract: A disconnection device, in particular for disconnecting two electrically connected electrochemical elements. The present invention also relates to a device for short-circuiting two electrodes of opposite polarity in an electrochemical element. The subject matter of the invention includes an assembly comprising: ? a) a connecting part (3) and ? b) a disconnection device (4), the disconnection device being intended to disconnect two electrochemical elements (1, 2) connected by the connecting part (3), the disconnection device (4) comprising: ? i) microparticles (5) capable of expanding when their temperature reaches a threshold value, the threshold value being below 150° C., ? ii) a capsule (4a, 4b) enclosing all of the microparticles (5), the capsule (4a, 4b) being arranged such that when the temperature of the microparticles (5) reaches the threshold value, the expansion of the microparticles disconnects the connection between the two electrochemical elements (1, 2).

Abstract: A lithium-ion electrochemical cell comprising: a negative electrode comprising an active material selected from the group consisting of carbon, silicon and a carbon-silicon composite; a positive electrode; a gel-type electrolyte comprising a matrix which is a polymer resulting from the cross-linking of a monomer comprising at least two acrylate groups, in which matrix there is embedded a liquid mixture comprising at least one solvent, lithium hexafluorophosphate (LiPF6), at least one of lithium bis(fluorosulfonyl)imide (LiFSI) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), lithium difluoro(oxalato)borate (LiDFOB) and a thermal initiator of radical polymerization.

Abstract: The present invention relates to an electrode comprising a current collector formed by a metal strip which is coated on at least one of the faces thereof with a composition of electrochemically active materials, the composition comprising at least one lithium manganese iron phosphate having the following formula: LixMn1-y-zFeyMzPO4, where M is selected from the group consisting of B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb and Mo, alone or in a mixture, with 0.8?x?1.2; 0.5?1-y-z<1; 0.05?y?0.5 and 0?z?0.2; the current collector having undergone chemical pickling of at least one of the faces thereof.

Abstract: The present invention relates to a device for inerting a battery comprising a first terminal and a second terminal, the first terminal and the second terminal presenting opposite polarity, the inerting device comprising a connection circuit, the connection circuit connecting the battery to at least one charging circuit, the connection circuit comprising a first connector, a second connector and a switching unit, the switching unit being able to switch between a first position in which the first connector is connected to the first terminal and a second position in which the first connector is connected to the second terminal.

Abstract: The invention relates to an electrochemical cell comprising: —at least one anode comprising metallic lithium or a lithium alloy or at least one anode comprising a current collector at least partially covered with metallic lithium deposited after at least one charge of the cell, the cell not containing metallic lithium at the time of its manufacture, —at least one cathode, - a liquid or gelled electrolyte composition comprising: a) a solvent comprising: i) either a mixture of 1,1,1,3,3,3-hexafluoro-2-methoxypropane (HFMP) and/or 1,1,1,3,3,3-hexafluoro-2-(fluoromethoxy)propane (HFMFP), ethylene monofluorocarbonate (F1EC) and 2,2,2-trifluoroethyl methyl carbonate (F3EMC), ii) or a mixture of 1,1,1,3,3,3-hexafluoro-2-methoxypropane (HFMP) and/or 1,1,1,3,3,3-hexafluo-ro-2-(fluoromethoxy)propane (HFMFP), ethylene monofluorocarbonate (F1EC) and 2,2,2-trifluoroethyl acetate (F3EA), b) at least one salt whose cation is the lithium cation, c) lithium difluorophosphate LiPO2F2 in an amount representing from 0.

Abstract: A power distribution unit for a vehicle including an enclosure and power distributing means for distributing electrical power between a battery and a load application, the enclosure including an external casing and an internal casing having a faceplate and a mounting plate, the mounting plate having upper dielectric partitions protruding upward from a top face of the mounting plate, and the power distributing means being mounted on the mounting plate, wherein the upper dielectric partitions are configured to both maintain a separation between different voltage groups and define an insulating barrier between components of the power distributing means, the internal cartridge is configured to be inserted into the external casing, and the enclosure is configured to be sealed from an external environment.

Abstract: The invention relates to a method for securing the operation of an industrial system comprising pieces of equipment, the process comprising a phase of obtaining a digital certificate authorizing an operator to access a piece of equipment in order to carry out an action, a phase of attempting to access a piece of equipment in order to carry out an action on the piece of equipment, the attempt phase comprising, in particular, a step of authorizing access to the piece of equipment in order to carry out an action when a compliance requirement relating to the digital certificate is met or refusing access when the compliance requirement is not met.