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METHOD OF CONTROLLING A SLURRY MIXING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, SLURRY MIXING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131312A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a slurry mixing apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the slurry mixing apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system which is preferably based on in-line measurement of quality parameters allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

METHOD OF CONTROLLING A COATING PROCESS FOR ELECTRODE MANUFACTURING, METHOD FOR ELECTRODE MANUFACTURING, COATING APPARATUS AND ELECTRODE MANUFACTURING SYSTEM

Resumen de: WO2025131317A1

Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a coating apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the coating apparatus, which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.

PROPYLENE a-OLEFIN COPOLYMER, RESIN COMPOSITION, MOLDED BODY, AND POWER STORAGE DEVICE

Resumen de: EP4831211A1

One embodiment of a propylene/α-olefin copolymer includes a constituent unit (i) derived from propylene and a constituent unit (ii) derived from an α-olefin having 5 to 20 carbon atoms, and satisfies the following requirements (A1) and (A2):(A1) when the total content of the constituent unit (i) and the constituent unit (ii) is taken as 100 mol%, the content of the constituent unit (i) is 70 to 99 mol% and the content of the constituent unit (ii) is 1 to 30 mol%; and(A2) the melting point (Tm) measured by a differential scanning calorimeter (DSC) is lower than 130°C or is not observed.

POLYADDITION-CROSSLINKABLE SILICONE COMPOSITION FOR PREPARING THERMALLY CONDUCTIVE SILICONE ELASTOMER

Resumen de: WO2025133479A1

The present invention relates to silicone compositions that are crosslinked by polyaddition reaction, intended to produce thermally conductive components. Said silicone compositions comprise at least one organopolysiloxane A having, per molecule, at least one C2-C12 alkenyl group bonded to silicon, at least one organopolysiloxane B having, per molecule, at least two SiH units, a catalytically effective amount of at least one polyaddition catalyst C, and a thermally conductive filler D, characterized in that the organopolysiloxane A has a linear structure, a viscosity at 25°C of between 50 mPa·s and 200 mPa·s, and contains between 130 ppm and 1000 ppm by mass of OH groups bonded to silicon.

SYSTEMS AND METHODS FOR PRODUCING DITHERED CHARGING SIGNALS

Resumen de: US20250211014A1

Systems and methods to charge a battery using a switch modulator and a shaping circuit comprising at least one switching element. The shaping circuit may be configured to receive an input charge supply from a power supply and the switch modulator may be operably coupled with the at least one switching element. Further, the switch modulator may actuate the at least one switching element at a selected duty cycle such that the shaping circuit produces a shaped charge signal, the selected duty cycle configured to vary within a switch modulator sample period.

BATTERY PACK

Resumen de: EP4832186A1

In a battery pack, an external output terminal exposed from an exterior case housing an assembled battery is fixed to an output bus bar. The external output terminal constituted by a clinching member, and the output bus bar has a connection opening into which a fixed end of the clinching member is press-fitted such that the clinching member is fixed upright. The exterior case includes a fixed portion having a terminal insertion opening, the external output terminal being fixed to the fixed portion, the clinching member passing through the terminal insertion opening, a chamfered portion is provided along at least one of an opening edge portion of the connection opening and an opening edge portion of the terminal insertion opening, which face each other, and an annular rubber-like elastic body is disposed. In a state in which the output bus bar fixed to the fixed portion, the rubber-like elastic body elastically deforms and seals between an outer peripheral surface of the clinching member and chamfered portion, such that the external output terminal is fixed to the exterior case in a waterproof structure.

PROCESS FOR THE PREPARATION OF COMPOSITE PARTICLES

Resumen de: GB2636759A

A process for preparing composite particles by chemical vapour infiltration comprises providing a charge of porous particles in a reactor, contacting the porous particles with a gaseous precursor of an electroactive material under conditions of temperature and pressure effective to cause deposition of the electroactive material into the pores of the porous particles to form the composite particles, wherein contacting comprises at least one discontinuous deposition phase during which the porous particles are contacted with a charge of the gaseous precursor and the reactor is then sealed during deposition of the electroactive material, and a continuous deposition phase during which the gaseous precursor is supplied to the reactor continuously. The electroactive material is preferably silicon. The particles may be porous carbon particles. The composite particles are suitable for use as anode active materials in rechargeable lithium-ion batteries.

LEAK TESTING METHOD AND STATION FOR CONTAINERS AND FILLING METHOD AND LINE FOR SUCH CONTAINERS

Resumen de: WO2025132107A1

A leak testing station (50) for containers (C) accommodated in respective transport pucks (3), characterized in that it comprises a testing carousel (51) that can rotate with continuous motion about a central axis (L) and which comprises a plurality of testing devices (5), each one of which comprises: - a movable bell (53) which is adapted to engage directly the puck (3) so as to form a chamber (67) containing said container (C); - an opening (38) which is in fluid communication with the interior of the puck (3), with the vacuum generation means (54) and with the detection means (55); - inside the bell (53), tracer gas injection means (59) which are adapted to engage, in a gas-tight manner, the intake (30) of the container (C) in the chamber (67).

TERMINAL ADAPTOR

Resumen de: WO2025129644A1

The present disclosure relates to terminal adaptor connectable to a battery, the battery comprising a positive battery terminal and a negative battery terminal each located on a first end face of the battery. The terminal adaptor comprises: an abutment face configured to abut the first end face of the battery in use; and a terminal face opposite the abutment face, the terminal face comprising a positive terminal region and a negative terminal region electrically insulated from the positive terminal region. The positive terminal region is electrically connectable to the positive battery terminal and the negative terminal region is electrically connectable to the negative battery terminal. An insulating element is interposed between the positive terminal region and the negative terminal region to electrically insulate the positive terminal region from the negative terminal region. The insulating element abuts and upstands from the terminal face. The present invention also provides a battery assembly and a kit of parts each comprising the terminal adaptor and the battery, and an aerosol generating apparatus.

CALIBRATING A BATTERY MANAGEMENT SYSTEM

Resumen de: WO2025137220A1

Embodiments in accordance with the present disclosure are directed to calibrating a battery management system (BMS) are disclosed. In a particular embodiment, a computing device generates a first CRC value for a new system configuration file to be uploaded to the BMS and after the new system configuration file is uploaded to the BMS, receives from the BMS, a second CRC value generated by the BMS after the new system configuration file is uploaded to the BMS. The computing device also determines whether the second CRC value from the BMS is identical to the first CRC value generated by the computing device and in response to determining that the second CRC value from the BMS is identical to the first CRC value generated by the computing device, validates the safety related parameter values and intended safety function associated with the safety related parameter values.

POUCH EXTERIOR MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Resumen de: EP4832179A1

The present invention relates to a pouch case, and more particularly, to a pouch case in which, when the pouch case and a lead tab film are sealed, a polymer material pushed out from a sealing portion at a tab portion is uniformly formed also in a non-sealed portion to prevent a thickness of a sealant layer from becoming thin, thereby preventing insulation failure and improving long-term reliability such as chemical resistance, and to a secondary battery comprising the same.

METHOD FOR PREPARING AN ARTICLE COMPRISING A SILICONE FOAM LAYER

Resumen de: WO2025133478A1

The invention relates to a novel method for preparing an article comprising a silicone foam layer, and to an article comprising a silicone foam layer that can be obtained by the method. According to this method, a silicone composition capable of forming a foam through the release of a gas is deposited between a first textile support T1 and a second textile support T2 on the silicone composition. The silicone foam has a density of 0.2 g/cm3 or less, and the first textile support T1 and the second textile support T2 are gas-permeable.

BATTERY PACK

Resumen de: EP4832202A1

A battery pack includes an assembled battery including a plurality of battery cells, and a resin-made exterior case having a rectangular parallelepiped shape that houses the assembled battery, wherein the exterior case includes pin insertion holes at four corner portions of a main surface, a side surface, and an end surface, and resin blocks in which the pin insertion holes are formed on an inner side are integrally molded with the exterior case. The plurality of pin insertion holes include a first pin insertion hole, a second pin insertion hole, and a third pin insertion hole, and in each pin insertion hole an insert collar is fixed to an opening portion. In a composite corner portion, a third resin block is molded at a corner portion of the end surface, and a first resin block and a second resin block are integrally connected to the third resin block, and at a boundary portion among the main surface, the side surface, and the end surface, a stepped surface is provided along an outer peripheral surface of the third resin block to form a stepped recess in the composite corner portion.

POLYAMIDE ELEMENT FOR COOLING CIRCUITS USING AT LEAST ONE DIELECTRIC FLUID

Resumen de: WO2025133286A1

The invention relates to the use of at least one element in a cooling circuit using at least one dielectric fluid, wherein: the element comprises at least one layer consisting of a composition C, characterised in that: - the composition C comprises from 50 to 99.9% by weight, relative to the total weight of the composition, of a polyamide matrix having an average C/N ratio of greater than or equal to 7, and is free of fibres and reinforcing fillers; - the dielectric fluid is liquid at atmospheric pressure at 23°C and comprises less than 10% by weight of water and glycol ether; and - the layer is intended to be in contact with the dielectric fluid.

SYSTEM FOR HEAT TREATMENT OF AN ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: WO2025132788A1

The present invention relates to a system (100) for heat treatment of an electrical energy storage device including electrical energy storage members (22), the heat treatment system (100) including the electrical energy storage device and a dielectric liquid circuit including: - at least one channel (24) for the dielectric liquid to circulate between at least a portion of the electrical energy storage members (22) of the storage device; - a dielectric liquid circulation pump (3); - a heat exchanger (5) configured for heat treatment of the dielectric liquid, the heat treatment system (100) being characterised in that the dielectric liquid circuit includes an expansion tank (1) and in that the heat treatment system (100) includes a variable-volume tank (14) connected to the expansion tank (1).

SOLID ELECTROLYTE, PRODUCTION METHOD FOR SOLID ELECTROLYTE, AND BATTERY

Resumen de: EP4832018A1

0001 A solid electrolyte contains a first element group of one or more alkali-metallic elements selected from the group consisting of Li, Na, and K, a second element group of one or more elements serving as trivalent cations selected from metallic elements and metalloid elements, a third element group of one or more halogen elements selected from the group consisting of F, Cl, Br, and I, and a hydroxyl group.

METHOD FOR FLUORINATING HYDROGEN BIS(CHLOROSULFONYL)IMIDE IN GAS PHASE

Resumen de: WO2025132313A1

The present invention relates to a method for producing bis(fluorosulfonyl)imide, which is economically feasible at industrial scale and which provides a high-purity product.

HOUSING OF TEMPERATURE SENSOR, TEMPERATURE SENSOR, BATTERY, AND ELECTRIC APPARATUS

Resumen de: EP4831601A1

The present application discloses a housing of a temperature sensor, a temperature sensor, a battery, and an electric apparatus. The housing of a temperature sensor comprises: a body portion, wherein an accommodating space is formed inside the body portion, an opening is formed in one end of the body portion, and the opening is communicated with the accommodating space; and a connecting portion located outside the body portion and connected to the body portion, wherein the connecting portion and the body portion jointly define a slot structure, a connecting structure is formed on the inner surface of the wall of the slot, and the connecting structure is used for limiting the movement of the body portion in the insertion direction of the slot structure. The slot structure of the housing is connected to a tab by means of insertion, and a part of the tab is located in the slot. Compared with the structure in which the housing is mounted on one side of the tab, the mounting space on two sides of the tab can be fully utilized to mount the housing, so as to save the mounting space.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4832118A2

A cathode active material for a lithium secondary battery according to an embodiment includes a plurality of a lithium metal oxide particle that include a core containing a lithium iron phosphate-based compound and being doped with at least one metal element of Ti, V and Mn; and a carbon coating formed of the core. A ratio of an intensity of a peak corresponding to PO₄ relative to an intensity of a D band measured by a Raman spectroscopy analysis is in a range from 0.10 to 0.33.

CELLS CONTACT SYSTEM (CCS) ASSEMBLY AND BATTERY PACK

Resumen de: EP4832143A1

0001 This application relates to the technical field of battery information collection modules, and in particular, to a cells contact system CCS assembly and a battery pack. The CCS assembly includes a signal collection board, an insulation mounting bracket, a thermally conductive member, and a temperature sensor. The insulation mounting bracket is fastened to a surface of a battery module, the battery module includes a plurality of battery cells that are sequentially arranged, and the insulation mounting bracket includes a mounting groove. The thermally conductive member is mounted in the mounting groove, a bottom wall of the mounting groove includes an opening, the opening faces the plurality of battery cells, and the thermally conductive member is in contact with surfaces of the plurality of battery cells through the opening. The temperature sensor collects temperature information of the thermally conductive member. The signal collection board is fastened to a side that is of the insulation mounting bracket and that faces away from the battery module, the signal collection board is connected to the temperature sensor, and the signal collection board is configured to: receive the temperature information collected by the temperature sensor, and transmit the temperature information to a controller. The CCS assembly detects the plurality of battery cells by using one temperature sensor, to reduce a quantity of temperature sensors and achieve structure optimization.

BATTERY PACK

Resumen de: EP4832191A2

A battery pack of the present technology includes: a lower pack housing including a bottom plate and a side wall frame surrounding edges of the bottom plate; an upper lid coupled to an upper surface of the side wall frame while covering the lower pack housing; and a pack gasket installed between the upper surface of the side wall frame and the upper lid, in which a first protruding part blocking the inside of the battery pack and the pack gasket is provided along the upper surface of the side wall frame

BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4832178A1

A battery (100) and an electric apparatus are disclosed, pertaining to the field of battery technologies. The battery (100) includes a case assembly (1), a cell assembly (2), and a heat exchange assembly (3). The case assembly (1) includes a case (11). The cell assembly (2) is disposed in the case (11) and includes a plurality of battery cells (21). The heat exchange assembly (3) includes a heat exchanger (31), an adapter (32), and a connecting pipe (33), where the heat exchanger (31) is disposed outside the case (11) and defines a first flow passage (310), the adapter (32) is disposed inside the case (11) and defines a second flow passage (320), and the connecting pipe (33) penetrates the case (11) and connects the first flow passage (310) and the second flow passage (320).

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE POLE PIECE, SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4832112A1

0001 A positive electrode active material, the positive electrode active material comprises lithium iron phosphate particles and lithium nickel cobalt manganate particles, wherein the primary average particle size of the lithium iron phosphate particles is 500-3000 nm, the specific surface area BET of the lithium iron phosphate particles is 3m<2>/g-8m<2>/g, and the specific surface area BET of the lithium nickel cobalt manganate particles is 0.4m<2>/g-2.0m<2>/g. The positive electrode active material has good processability, and also has good gram capacity

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4832073A1

0001 Provided in the present disclosure is a secondary battery comprising a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer disposed on at least one surface of the negative electrode current collector. The negative electrode film layer is provided with a first surface away from the negative electrode current collector and a second surface arranged opposite to the first surface, the thickness of the negative electrode film layer is marked as H. A region with in a thickness range from the first surface to 0.3 H of the negative electrode film layer is marked as the first region of the negative electrode film layer, and a region within a thickness range from the second surface to 0.3 H of the negative electrode film layer is marked as the second region of the negative electrode film layer. The first region comprises a first negative electrode active material, and the second region comprises a second negative electrode active material. The first negative electrode active material comprises primary particles of first artificial graphite, the first negative electrode active material has a powder OI value of 3-6, a graphitization degree of 91-93.5%. The second negative electrode active material has a capacity per gram greater than that of the first negative electrode active material.

POSITIVE POLE PIECE, PREPARATION METHOD, SECONDARY BATTERY AND ELECTRICAL APPARATUS

Nº publicación: EP4832069A1 28/10/2026

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited

Resumen de: EP4832069A1

0001 A positive pole piece and a preparation method therefor, and a secondary battery. The positive pole piece comprises a current collector and a positive electrode active layer. The positive electrode active layer is arranged on at least one surface of the current collector. The positive electrode active layer comprises a first positive electrode active layer at least formed on the current collector, and a second positive electrode active layer formed on the side of the first positive electrode active layer away from the current collector. The first positive electrode active layer comprises lithium iron phosphate particles, and the second positive electrode active layer comprises lithium nickel cobalt manganate particles; or, the first positive electrode active layer comprises lithium nickel cobalt manganate particles, and the second positive electrode active layer comprises lithium iron phosphate particles. The primary average particle size of the lithium iron phosphate particles is 500-3000 nm, and the specific surface area BET of the lithium iron phosphate particles is 3m<2>/g-8m<2>/g. The positive pole piece can reduce gas production when coating the upper and lower layers of the lithium iron phosphate particles and the lithium nickel cobalt manganate particles, and also has good gram capacity.