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Control of vehicle thermal management systems

Resumen de: GB2637943A

A thermal management system has a plurality of operating modes. In each operating mode the thermal management system is configured to transfer thermal energy among a respective set of components of the electric vehicle via one or more thermal transfer fluids. A method of controlling the thermal management system comprises, for at least one of the operating modes, obtaining a target thermal energy transfer between at least one of the components and the one or more thermal transfer fluids 602. An aggregated thermal energy transfer availability for the respective set of components is obtained that is indicative of a thermal energy that the respective set of components is collectively able to exchange with the one or more thermal transfer fluids in the operating mode 610. Based on the aggregated thermal energy transfer availability it is determined whether the target thermal energy transfers of the at least one component in the respective set of components are achievable in the operating mode 646.

Method and apparatus for thermal management of an electric vehicle

Resumen de: GB2637946A

A method 500 of determining an operating mode for a thermal management system (100, fig. 1) of an electric vehicle (200, fig. 2). The method comprises obtaining thermal energy information for a plurality of components of the electric vehicle 502, the thermal energy information defining a thermal energy transfer requirement for each component. Information is obtained defining a plurality of operating modes suitable to satisfy thermal energy transfer requirements of the components 504. For each operating mode, an energy cost is determined using a model of the thermal management system 506, wherein the energy cost for each mode comprises a respective thermal energy cost value representing an amount of thermal energy transferred off the electric vehicle and a respective actuator energy cost value representing an energy cost associated with operating the thermal management system. The operating mode having a lowest calculated energy cost is then selected 508 and indicated 510. Computer readable instructions, a control system and a vehicle are also claimed.

Control of vehicle thermal management systems

Resumen de: GB2637949A

A method 600 of controlling a thermal management system (100, fig. 1) of an electric vehicle (200, fig. 2). The electric vehicle comprises one or more thermal customers, each having a respective target operating temperature range. For each thermal customer, a respective thermal indicator indicative of whether the respective thermal customer is above, below, or within its target temperature range is obtained 602. Information for a plurality of operating modes is obtained 604 comprising, for each mode, a respective thermal criterion for each thermal customer indicating whether the operating mode is compatible with the respective thermal customer being above, below, or within its target operating temperature range. One or more compatible operating modes are then selected 606, based on a comparison between the thermal indicator(s) and the operating mode information; and an output indicating the selected one or more compatible operating modes is indicated 608. A control system, computer readable instructions, a computer readable medium and a vehicle are also claimed.

Method and apparatus for determining a compressor energy cost for a thermal management system of an electric vehicle

Resumen de: GB2637944A

A method 400 of determining a compressor energy cost associated with a compressor of a climate control system of an electric vehicle comprises: obtaining a plurality of compressor models 402; and receiving an indication of a configuration of the climate control system 404. Each compressor model is associated with a respective one of the plurality of configurations of the climate control system (e.g. cabin cooling with thermal energy rejected to ambient). The method further comprises: receiving an indication of an amount of transferable thermal energy associated with a powertrain of the electric vehicle 406; selecting a compressor model based on the indication of the configuration of the climate control system 408; determining a compressor energy cost associated with the compressor of the climate control system based on the transferable thermal energy and the selected compressor model 410; and providing an output signal based on the compressor energy cost 412. The powertrain may comprise a traction battery or an electric drive of the electric vehicle.

COVER DEVICE FOR A BATTERY BOX OF AN ELECTRIC OR HYBRID VEHICLE, COMPRISING INTERMEDIATE SPACERS

Resumen de: WO2024074772A1

The invention relates to a cover device for a flat battery box (2) extending under the floor of an electric or hybrid motor vehicle body with an intermediate air gap, which device comprises a cover (6) comprising a metal sheet having a substantially flat central face with fastening edges along its contour (8), and comprising a plurality of spacer blocks (20, 22) for creating a space to the floor of the body, which spacer blocks are fastened to the top of the central face, each block (20, 22) comprising at least one rigid spacer and one flexible spacer which are stacked.

Method and apparatus for predictive preconditioning of a traction battery of an electric vehicle

Resumen de: GB2637948A

A thermal management system (100, Fig. 1) of an electric vehicle 200 receives an indication (502, Fig. 5) that a traction battery 204 is to be charged and obtains information (504, Fig. 5) representing an amount of thermal energy to be transferred between the battery and the thermal management system to obtain a target battery temperature. A plurality of operating modes of the thermal management system which satisfy the thermal energy transfer requirement is defined (506, Fig. 5) and an energy cost for each operating mode is determined (508, Fig. 5) using a model of the thermal management system. An operating mode having a lowest energy cost is selected (510, Fig. 5), and an output indicating the selected operating mode provided (512, Fig. 5). An operating mode may allow the transfer of thermal energy between a component of the vehicle and the traction battery. A future operating profile of the vehicle based on information of a predicted route to arrive at a charging station may be used to determine the energy cost of each operating mode. A control system, computer readable instructions, and a vehicle are also claimed.

Method and apparatus for predictive thermal management of an electric vehicle

Resumen de: GB2637947A

A method 400 of determining an operating mode of a thermal management system (100, fig. 1) of an electric vehicle (200, fig. 2). The method comprises obtaining route information indicative of a predicted route of the electric vehicle 402, predicting a future operating profile for the electric vehicle based on the route information 404, predicting, for at least one component of a plurality of components of the electric vehicle, a thermal energy transfer requirement for the component based on the future operating profile 406, selecting an operating mode of the thermal management system based on the predicted thermal energy transfer requirement for the at least one component 408, and outputting a signal indicative of the selected operating mode 410. A control system, computer readable instructions, a computer readable medium and a vehicle are also claimed.

DEVICE AND METHOD FOR CONNECTING MATERIAL WEBS FOR THE PRODUCTION OF ENERGY CELLS

Resumen de: CN120019013A

The invention relates to a device (10) and a method for connecting material webs (11, 12) for producing energy cells, in which a terminating material web (11) can be connected to a new material web (12). The terminating material web (11) and the new material web (12) can be guided in a connecting section (13) at a distance from each other, two pivotable or rotatable pressing elements (14, 15) having pressing surfaces (16, 17) are provided, the pressing element is configured to press the terminating material web (11) and the new material web (12) against each other in the connecting section (13) and to connect the terminating material web (11) and the new material web (12) to each other. The pressing elements (14, 15) are designed to connect the material webs (11, 12) during a movement in the conveying direction (18) of the terminating and new material webs (11, 12). The device (10) is designed to generate a weakening line (19, 20) in each of the terminating and new material webs (11, 12) and to separate the material webs (11, 12) at the weakening lines (19, 20), preferably perforation lines, by applying an increased tensile stress in each of the material webs (11, 12).

Material recovery method

Resumen de: GB2637908A

A method of recovering metals from a source material (e.g. lithium battery waste) by adding acid to the source material, and then adding a reducing agent (e.g. a peroxide) to the leach solution while maintaining its temperature at 85 0C or less. While the acid and reducing agent are added, one of foaming, the rate of change of leach metal concentration in the solution, the rate of change of pH or the initial concentration of a leach metal is monitored. The addition of acid and reducing agent are respectively stopped when i) all target metals have been solubilised and the pH is between 0-2.3 and ii) the pH is between 1-2.3. A base is then added to increase the pH to 5 to 5.3 along with an oxidising agent (air or oxygen) to remove metals such as iron and aluminium. Metals can be recovered from the depleted leach solution. Apparatus for performing the method comprise a leach tank with an agitator and a foam breaker on a common shaft and a recirculation loop for spraying liquid from the tank onto foam in the tank. Also hydrometallurgically recovered graphite with crystallites having a minimum ferret diameter of 5 microns.

PROTECTIVE DEVICE AGAINST ACCIDENTAL CONTACT

Resumen de: WO2024074232A1

The invention relates to a protective device (1) against accidental contact for an electrical connection, which has a fastening element (2), a contact element (3), a blocking means (4), a first guide means (5) and a second guide means (6), wherein: the fastening element (2) has at least one access opening (8) for the electrical connection; the contact element (3) has at least one electrical contact (9) for electrically connecting to the electrical connection; the first guide means (5) is designed to guide a first movement of the contact element (3) relative to the fastening element (2); the second guide means (6) is designed to guide a second movement of the blocking means (4) relative to the fastening element (2); by means of a forced guidance, a movement of the contact element (3) along the first guide means (5) causes a predeterminable position change of the blocking means (4) on the second guide means (6); and the blocking means (4) covers the access opening (8) in a first position, and exposes the access opening (8) in a second position.

PROCESS FOR WETTING A DRY ASSEMBLY FOR PRODUCING AN ELECTROCHEMICAL CELL

Resumen de: EP4601068A1

The invention concerns a process (10) for wetting at least one dry assembly (15) for producing an electrochemical cell, the process comprising a) providing at least one dry assembly (15) comprising at least one cathode (20), at least one anode (25) and an at least partially metallic cell housing (35), the at least one cathode (20) and the at least one anode (25) being inserted in the at least one cell housing (35); b) dosing an electrolyte solution within the respective cell housing (35) and sealing the respective cell housing (35); c) positioning each of the sealed cell housing (35) between a pair of electromagnetic coils (40); and d) supplying each coil (40) with a respective electrical current.

ARC FAULT SUPPRESSION IN ENERGY STORAGE SYSTEMS

Resumen de: WO2024074187A1

There is disclosed herein an energy storage module (1) for an energy storage system (100). The energy storage module (1) comprising at least one capacitor (10) for storing electrical energy and a diode (30) arranged antiparallel to the capacitor (10). The diode is configured to: impede current flow through the diode (30) when the energy storage module (10) is in a normal operation, where the energy storage module (1) is configured to store electrical energy and provide stored electrical energy to a power grid; and to allow current flow through the diode (30) during an arc fault (40) in the capacitor (10). The energy storage module (1) may further comprise a bypass branch (50) connected in parallel to the at least one capacitor (10). The disclosure further relates to an energy storage system (100) comprising said energy storage modules (1) and a power grid system comprising said energy storage system.

INTERCONNECTION ASSEMBLY, METHOD OF ASSEMBLING AN INTERCONNECTION ASSEMBLY, AND SYSTEM

Resumen de: EP4601075A1

An interconnection assembly for a battery system comprising a plurality of battery cells, the layer interconnection assembly comprising: a bottom layer being arranged to connect the plurality of battery cells and to conduct current in a first direction, and a top layer stacked on top of the bottom layer and arranged to conduct current in a second direction opposite to the first direction, wherein the top layer comprises a positive interconnection and a negative interconnection, the positive interconnection comprises a positive terminal connection and the negative interconnection comprises a negative terminal connection.

CORE-SHELL TYPE FLUORORESIN PARTICLES WITH IMPROVED BINDING PROPERTIES

Resumen de: EP4600282A1

The present invention relates to core-shell particles (or a core-shell particle-type binder), a composition comprising the core-shell particles (or the core-shell particle-type binder), or an electrode manufactured from the composition, the core-shell particles having a perfluorinated resin core, which comprises a perfluorinated polymer, and a resin shell layer, which comprises an acrylic polymer, wherein the core-shell particles are prepared by emulsion-polymerizing an acrylic monomer to the perfluorinated resin core by using, as an emulsifier, a polyethylene glycol ether having an alkyl group of C₈ or greater, which is substituted with at least one alkyl of chemical formula 1, and the acrylic monomer comprises (a) methyl methacrylate (MMA), (b) methacrylic acid (MAA) or acrylic acid (AA), and (c) a C₂-C₆ alkyl (meth)acrylate.

SECONDARY BATTERY

Resumen de: EP4601096A1

The present invention relates to a secondary battery which can reduce thermal energy of internal gas produced inside the case. Disclosed as an example is a secondary battery comprising: an electrode assembly; a case in which the electrode assembly is accommodated; a cap plate which seals the top of the case and includes a vent having a safety vent formed therein; and a rotating member which is coupled to the bottom of the vent hole.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

Resumen de: EP4601026A2

Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery. The negative electrode includes a current collector; and a negative active material layer, wherein the negative active material layer includes a first active material layer on the current collector and including a first crystalline carbon, a Si-C composite, and a first binder; and a second active material layer on the first active material layer and including a second crystalline carbon, a Si-C composite, and a second binder, a particle diameter of the first crystalline carbon is smaller than a particle diameter of the second crystalline carbon, and based on the total negative active material layer, an amount of the first binder is larger than an amount of the second binder, an amount of the Si is about 3 wt% or more based on 100 wt% of the negative active material layer.

POSITIVE ELECTRODE CURRENT COLLECTOR FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4601048A1

A cathode current collector for a lithium secondary battery according to embodiments of the present disclosure includes a stacked structure including an aluminum layer, an aluminum-copper alloy layer formed on the aluminum layer, and a copper layer formed on the aluminum-copper alloy layer, wherein a surface of the stacked structure may be doped with at least one metal element. Accordingly, the electrical conductivity of the cathode current collector may be improved and the cell resistance may be reduced.

NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE, AND BATTERY

Resumen de: EP4601045A1

A negative electrode material contains a negative electrode active material and a solid electrolyte material, wherein the solid electrolyte material contains an alkali metal element, a metal element except alkali metal elements or a metalloid element, and a halogen, and the metal element except alkali metals or the metalloid element includes at least one of Zr and In.

ION CONDUCTIVE SUBSTANCE, ELECTROLYTE, AND BATTERY

Resumen de: EP4600971A1

An ion conductive substance contains an alkali metal element, a metal element M, a halogen element, a dopant element X, and an oxygen element, in which the metal element M is at least one of Ta and Nb, and the dopant element X is at least one element selected from the group consisting of Ga, In, Sb, Bi, Mg, Ca, Sr, and Ba.

POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND BATTERY

Resumen de: EP4601044A1

Provided is a positive electrode material containing a positive electrode active material and a polymer having an ability to preferentially conduct metal ions, in which the positive electrode active material is a material that occludes and releases lithium ions at 4.0 V or more with respect to Li/Li⁺.

SULFIDE SOLID ELECTROLYTE MANUFACTURING METHOD

Resumen de: EP4600976A1

Provided is a method for producing a sulfide solid electrolyte, the method including a first step of mixing a raw material-containing substance that contains a lithium atom, a phosphorus atom, a sulfur atom, and a halogen atom in an organic solvent to prepare a mixture, a second step of irradiating the mixture with a microwave of 0.5 to 700 W/g to heat the mixture to 50 to 360°C, and a third step of cooling the mixture to 20 to 70°C, the second and third steps being repeated 2 to 50 times. In the method for producing a sulfide solid electrolyte, a liquid phase method is adopted with a lowered heating temperature, and a sulfide solid electrolyte that has a particle size maintained by suppressing granulation caused by heating and further has a high quality can be efficiently produced.

CHARGE/DISCHARGE TEST SYSTEM

Resumen de: EP4600675A1

A charge/discharge test system includes: a plurality of charge/discharge test devices (12) configured to perform charging and discharging of charge/discharge targets (9); a switching circuit (14) capable of switching between combinations of electrical connection between one or more of the charge/discharge test devices (12) and one or more of the charge/discharge targets (9), and a control unit (16) configured to control the switching circuit (14) to execute switching between the combinations.

METHOD FOR PRODUCING CURRENT COLLECTOR FOIL EQUIPPED WITH RESIN FILM

Resumen de: EP4600023A1

A method of manufacturing a current collector foil with a resin film includes a step A of cutting a metal foil for a current collector foil into sheets, a step B of allowing a movable stage to hold the cut metal foil for each sheet by suction and allowing the movable stage to move the metal foil held by suction onto a resin film, and a step C of bringing the resin film into contact with the metal foil to heat fusion-weld the resin film to the metal foil, in which the movable stage includes a plate-like body including a heating-suction region, and an area of the heating-suction region is smaller than an area of the cut metal foil.

METHOD FOR MANUFACTURING ELECTRODE LAYER

Resumen de: EP4601029A1

Provided is a manufacturing method of an electrode layer, including a step A of measuring a surface shape of a transport member, a step B of placing a collector foil on the transport member after the surface shape is measured, and transporting the collector foil by moving the transport member, a step C of supplying, onto the transported collector foil, an electrode active material containing an electrode active material, a conductive auxiliary agent, and an electrolytic solution, and a step D of passing the electrode material supplied onto the collector foil through a gap formed between the transport member and a distal end of a film forming member which is disposed at a position spaced apart from a surface of the transport member to regulate a thickness of the electrode material and form an electrode material film, in which, in the step D, a disposing position of the film forming member is controlled based on measurement information of the surface shape of the transport member, which is obtained in the step A.

ENERGY STORAGE DEVICE CHARGING CONTROL METHOD AND RELATED APPARATUS

Nº publicación: EP4601151A1 13/08/2025

Solicitante:

SHENZHEN AMPERE TIME DIGITAL ENERGY TECH CO LTD [CN]
Shenzhen Ampere Time Digital Energy Technology Co., Ltd

Resumen de: EP4601151A1

The disclosure provides a charging control method for an energy storage device and a related apparatus, and the method includes the following. A corresponding first usage device is determined based on a destination of a current trip in trip information, and a predicted power consumption amount of the first usage device is determined based on weather information of the trip information. A first charging amount of a first energy storage battery corresponding to the first usage device is determined based on the trip information and the predicted power consumption amount of the first usage device. Finally, a vehicle-mounted charger is controlled to charge the first energy storage battery based on the first charging amount of the first energy storage battery. In this way, the allocation efficiency of the energy storage capacity of the control system is improved.