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Almacenamiento en baterías

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LastUpdate Última actualización 31/12/2025 [07:15:00]
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SEPARATOR FOR ELECTROCHEMICAL ELEMENTS WITH REDUCED SELF-DISCHARGE RATE, AND METHOD FOR PRODUCING SAME

NºPublicación:  EP4666305A1 24/12/2025
Solicitante: 
DELFORTGROUP AG [AT]
delfortgroup AG
KR_20250151421_PA

Resumen de: CN120604314A

A separator for an electrochemical element is shown comprising fibrillated regenerated cellulose fibers wherein the fibrillated regenerated cellulose fibers constitute at least 75% of the mass of the separator. The quantity of the separator is at least 8 g/m2 and at most 17 g/m2, and the bulk of the separator is at least 12 mu m and at most 40 mu m. The membrane has uniformity in terms of its thickness and fibrous structure, characterized in that there are both the following features (i) and (ii): (i) the ratio of the bulk of the membrane to the monolithic thickness of the membrane is at least 0.88 and at most 1.04, and (ii) the contrast value C determined by image analysis is at least 1000 and at most 1600.

RECHARGEABLE BATTERY PACK

NºPublicación:  EP4666336A1 24/12/2025
Solicitante: 
SUNSWAP LTD [GB]
Sunswap Ltd
WO_2024170765_PA

Resumen de: WO2024170765A1

A battery pack (30), related methods and to a transport refrigeration unit of a type configured to draw power from rechargeable batteries in cooling the interior of a mobile enclosure, such as in a trailer or lorry. The battery pack (30) comprises a framework (20) by which the pack is mounted in use and a battery compartment (40) for plural rechargeable battery cells (41). The framework may include at least one shelf for supporting the plural battery cells in the compartment, the shelf having at least one fluid flow channel (67) therein and the battery pack comprises at least one fluid movement device (62) arranged to move cooling fluid through the at least one channel to cool the battery cells in use. The framework may include plural vertically spaced shelves for supporting rows of the plural battery cells in the compartment, wherein the battery cells are orientated such that the terminals for connecting to the cells vertically on top.

BATTERY HOUSING COVER WITH A SECTION COMPRISING A FIBRE COMPOSITE WITH AN OXIDE MATRIX

NºPublicación:  EP4666332A1 24/12/2025
Solicitante: 
WPX FASERKERAMIK GMBH [DE]
WPX Faserkeramik GmbH
DE_102023103668_A1

Resumen de: WO2024170686A1

The invention relates to a battery housing cover (18) for covering at least one battery cell (10), comprising a main part (20), with at least one section (22) comprising a fibre composite with an oxide matrix being arranged on the main part (20). The invention also relates to a method for producing a battery housing cover (18), and an assembly comprising a battery cell (10) and a battery housing cover (18), the production of an assembly of this type, an electric vehicle and the use of a section (22) comprising a fibre composite with an oxide matrix for a battery housing cover (18).

CHARGING METHOD AND APPARATUS, AND ELECTRONIC DEVICE

NºPublicación:  EP4668534A1 24/12/2025
Solicitante: 
VIVO MOBILE COMMUNICATION CO LTD [CN]
Vivo Mobile Communication Co., Ltd
EP_4668534_PA

Resumen de: EP4668534A1

This application discloses a charging method and apparatus, and an electronic device, and belongs to the field of communication technologies. The charging method includes: in a process of detecting, based on a target voltage level sequence, whether a charger supports a first fast charging protocol, when a first signal line of a charging interface of the electronic device is at a high level, configuring the first signal line as a receive signal line in a universal asynchronous receiver/transmitter UART serial port mode, and configuring a second signal line of the charging interface as a transmit signal line in the UART serial port mode; performing, when a first data packet supporting a second fast charging protocol is received from the charger within a first duration, charging according to the second fast charging protocol; and performing charging according to the first fast charging protocol when the first data packet is not received within the first duration.

LITHIUM SECONDARY BATTERY CAPABLE OF SELF-POISONING

NºPublicación:  EP4668366A1 24/12/2025
Solicitante: 
PROLOGIUM TECH CO LTD [TW]
Prologium Technology Co., Ltd
EP_4668366_PA

Resumen de: EP4668366A1

The invention provides a lithium secondary battery capable of self-poisoning, which includes a positive active material, a negative active material, an electrolyte located between the positive active material and the negative active material to allow lithium ions move therebetween, and a poisonous agent, including an initiating-reaction catalyst and a dopant. The dopant has a phosphorus-oxygen bond, a boron-oxygen bond or a sulfur-oxygen bond exposed at the free end, or a phosphorus-oxygen bond, a boron-oxygen bond or a sulfur-oxygen bond that is not exposed at the free end and is shielded by an organic or inorganic group. When the temperature of the lithium secondary battery reaches a first predetermined temperature, the dopant will react with the initiating-reaction catalyst to release at least one phosphorus-oxygen bond, boron-oxygen bond or sulfur-oxygen bond with free radicals or unsaturated bonds. Therefore, the positive active material of the lithium secondary battery will be contaminated to make the lithium secondary battery harmless.

LITHIUM SECONDARY BATTERY CAPABLE OF SELF-POISONING

NºPublicación:  EP4668392A1 24/12/2025
Solicitante: 
PROLOGIUM TECH CO LTD [TW]
Prologium Technology Co., Ltd
EP_4668392_PA

Resumen de: EP4668392A1

The invention provides a lithium secondary battery capable of self-poisoning, which includes a poisonous agent releasing iodine molecules in the lithium secondary battery. The unstable lithium atoms in the lithium secondary battery would be transformed into stable lithium compounds or lithium ions before the temperature of the lithium secondary battery reaches the abnormally high temperature caused by itself. The negative active material of the lithium secondary battery is deactivated to avoid thermal runaway of the lithium secondary battery.

CURRENT COLLECTING ASSEMBLY, ENERGY STORAGE APPARATUS, AND ELECTRIC DEVICE

NºPublicación:  EP4668465A1 24/12/2025
Solicitante: 
XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
Xiamen Hithium Energy Storage Technology Co., Ltd
EP_4668465_PA

Resumen de: EP4668465A1

A current collecting assembly, an energy storage apparatus, and an electric device. The current collecting assembly comprises a first connecting member and a second connecting member; the first connecting member comprises a first connecting portion, a second connecting portion, and a conducting portion; the conducting portion is provided with at least one first reinforcing rib and at least one second reinforcing rib, the first reinforcing rib protrudes out of a first surface of the conducting portion, and the second reinforcing rib protrudes out of a second surface of the conducting portion; the second connecting portion is mechanically connected to the surface of the second connecting member, and after the second connecting portion rotates, the second connecting member is located on the side of the second connecting portion facing away from the conducting portion.

METHODS AND DEVICES FOR SECURE COMMUNICATION WITH AND OPERATION OF AN IMPLANT

NºPublicación:  EP4666195A1 24/12/2025
Solicitante: 
IMPLANTICA PATENT LTD [MT]
Implantica Patent Ltd
WO_2024170725_PA

Resumen de: WO2024170725A1

An implant is provided. The implant comprises an internal computing unit configured to control a function of said implant, said internal computing unit comprises an internal memory configured to store: i. a first control program for controlling the internal computing unit, and ii. a second, configurable or updatable, with predefined program steps, control program for controlling said function of said implant, iii. a set of predefined program steps for updating the second control program. The implant further comprises an internal communication unit connected to said internal computing unit and configured to communicate with an external device, wherein said internal computing unit is configured to receive an update to the second control program via said internal communication unit, and a verification function of, connected to, or transmitted to said internal computing unit, said verification function being configured to verify that the received update to the second control program comprises program steps comprised in the set of predefined program steps, wherein the implant further comprises an implantable apparatus for treating urinary retention of a mammal patient comprising: an implantable powered member adapted exert a force from the outside on a selected part of the urinary bladder in order to discharge urine from the urinary bladder, and a control device for controlling the operation of the powered member.

LITHIUM BATTERY ELECTRODE BINDERS

NºPublicación:  EP4666327A1 24/12/2025
Solicitante: 
SYENSQO SPECIALTY POLYMERS ITALY S P A [IT]
Syensqo Specialty Polymers Italy S.p.A
KR_20250149696_A

Resumen de: CN120814055A

The present invention relates to a binder composition comprising a vinylidene fluoride polymer and to the use thereof in the preparation of an electrode of a secondary battery.

BATTERY HOUSING COVER WITH A FIBRE COMPOSITE WITH AN OXIDE MATRIX

NºPublicación:  EP4666338A1 24/12/2025
Solicitante: 
WPX FASERKERAMIK GMBH [DE]
WPX Faserkeramik GmbH
DE_102023103675_A1

Resumen de: WO2024170685A1

The invention relates to a battery housing cover (10) for covering at least one battery cell (26), wherein the battery housing cover (10) comprises a fibre composite with an oxide matrix. The invention also relates to a layer system (14) for a battery housing cover (10) with a first layer (16) made of a fibre composite with an oxide matrix and a second layer (18) made of a thermally insulating material. The invention further relates to the use of a fibre composite with an oxide matrix for a battery housing cover (10), a method for producing a layer system (14) and a method for producing a battery housing cover (10).

ELECTROLYTE AND BATTERY

NºPublicación:  EP4668402A1 24/12/2025
Solicitante: 
ZHUHAI COSMX BATTERY CO LTD [CN]
Zhuhai CosMX Battery Co., Ltd
EP_4668402_PA

Resumen de: EP4668402A1

The present disclosure relates to the technical field of batteries, in particlular to an eclectroyte and a battery comprising the electrolyte. The electrolyte comprises a first additive having a structure as represented by formula (I) and a second additive having a structure represented by formula (II), where R<sub>1</sub>, R<sub>2</sub>, and R<sub>3</sub> are each independently selected from formula (a), formula (b), formula (c), and formula (d); R<sub>4</sub>, R<sub>5</sub>, and R<sub>6</sub> are each independently selected from C1-C10 alkyl, C2-C10 alkenyl, and C1-C10 alkoxy; X is selected from hydrogen, halogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C1-C4 cyano; and n is 1, 2, 3, or 4. A SEI film formed by the electrolyte of the present disclosure can improve the stability and the ionic conductivity of an interface film, and has higher safety. The battery of the present disclosure has higher safety performance and more stable long cycle performance.

BATTERY CASE

NºPublicación:  EP4668440A1 24/12/2025
Solicitante: 
SUNGROW POWER SUPPLY CO LTD [CN]
Sungrow Power Supply Co., Ltd
EP_4668440_PA

Resumen de: EP4668440A1

Disclosed in the present application is a battery case, comprising at least: a fixing base, which is provided with a protrusion or a sealing frame on a top face thereof; at least one battery cell, which is arranged on the fixing base, the protrusion or the sealing frame being provided on a top face and a bottom face of the battery cell, respectively; a sealing member, which is located between a surface on which the protrusion is located and the sealing frame, and is pressed by the surface on which the protrusion is located and the sealing frame; and a switch module, which is arranged on the battery cell, the protrusion or the sealing frame being provided on the surface of the switch module that is in contact with the battery cell, wherein the fixing base and/or the switch module abut against the battery cell by means of the protrusion or the sealing frame. The battery case disclosed in the present application has an improved waterproof sealing performance.

ENERGY STORAGE SYSTEM AND SELF-HEATING METHOD THEREFOR

NºPublicación:  EP4668416A1 24/12/2025
Solicitante: 
SUNGROW POWER SUPPLY CO LTD [CN]
Sungrow Power Supply Co., Ltd
EP_4668416_PA

Resumen de: EP4668416A1

Provided in the present application are an energy storage system and a self-heating method therefor. By means of the self-heating method for an energy storage system, when a battery temperature of the energy storage system is lower than a preset allowable operation temperature, an electric energy conversion apparatus is controlled to operate in a reactive operation mode; since a cooling liquid of the energy storage system can realize heat conduction with the electric energy conversion apparatus and a battery pack, heat brought about by the operation of the electric energy conversion apparatus can replace a heating apparatus in the prior art to heat the cooling liquid; the battery pack is then heated by means of the flow of the cooling liquid; and after the battery temperature reaches the preset allowable operation temperature, the electric energy conversion apparatus can be controlled to operate in a normal operation mode. Therefore, by means of the present application, a heating apparatus in the prior art can be omitted, thereby saving on costs; and a heating time can be shortened, thereby improving efficiency.

SLITTING APPARATUS

NºPublicación:  EP4667402A1 24/12/2025
Solicitante: 
WUXI LEAD INTELLIGENT EQUIPMENT CO LTD [CN]
Wuxi Lead Intelligent Equipment Co., Ltd
EP_4667402_PA

Resumen de: EP4667402A1

Disclosed is a slitting apparatus, comprising an unwinding device, a first slitting device, a first conveying device, a second slitting device and a plurality of winding devices. The unwinding device is configured for outputting a pole piece material strip; the first slitting device is configured for receiving the pole piece material strip output by the unwinding device and slitting a foil area of the pole piece material strip to form a plurality of sub-material strips; the first conveying device is configured for receiving the plurality of sub-material strips and outputting them after arranging them spaced apart from each other and laid flat; the second slitting device is configured for receiving the plurality of sub-material strips which are arranged spaced apart from each other and laid flat, and slitting coating areas of the sub-material strips to form a plurality of pole pieces; and the plurality of winding devices are connected to the second slitting device, and are configured for winding the plurality of pole pieces. The slitting apparatus of the present disclosure disclose needs fewer tools, lower equipment cost, a smaller equipment, and a smaller footprint.

METHOD AND DEVICE FOR FORMING AN ELECTROCHEMICAL DEVICE

NºPublicación:  EP4666326A1 24/12/2025
Solicitante: 
KARLSRUHER INST TECHNOLOGIE [DE]
Karlsruher Institut f\u00FCr Technologie
KR_20250149766_PA

Resumen de: CN120693695A

The present invention relates to a method (210) and a device (110) for initial charging of a lithium-containing anode (114) in an electrochemical device (112) wherein the electrochemical device (112) comprises an anode (114), a cathode (116) and an electrolyte (122) configured for providing a connection between the cathode (116) and the anode (114). The method (210) comprises the following method steps: a) providing an electrochemical device (112) in which the anode (114) and the cathode (114) have not previously been fully charged; b) supplying a plurality of current pulses (126) to the electrochemical device (112), thereby generating a solid electrolyte intermediate phase (30) on a surface (132) of the anode (114) and a surface (133) of the cathode (116), each adjacent to the electrolyte (122), where the solid electrolyte intermediate phase (130) includes corrosion products of the electrolyte (122) and the anode (114) or the cathode (116), respectively; and c) obtaining the formed electrochemical device (112); d) determining at least one material parameter relating to the performance of the electrochemical device (112) during method step b); and e) adjusting at least one pulse parameter relating to a current pulse (126) applied to the electrochemical device (112) during method step b). The method (210) and apparatus (110) according to the invention initially charges an electrochemical device (112) in a relatively fast manner while reducing waste and diffusion of the electro

RECOVERY OF PHOSPHORUS COMPOUNDS AND IRON COMPOUNDS FROM IRON PHOSPHATE-CONTAINING MATERIALS

NºPublicación:  EP4665685A1 24/12/2025
Solicitante: 
LANXESS DEUTSCHLAND GMBH [DE]
LANXESS Deutschland GmbH
KR_20250149668_A

Resumen de: CN120641360A

The invention relates to a method for obtaining phosphorus compounds and iron compounds from an iron phosphate-containing material, characterized in that i) the iron phosphate-containing material is reacted with chlorine gas in the presence of a carbon source at a temperature of 300 DEG C to 900 DEG C, and ii) withdrawing the formed chloro-phosphorus compounds, more particularly phosphorus oxychloride and optionally phosphorus trichloride, and ferric chloride in an exhaust gas stream, and iii) separating the ferric chloride from the exhaust gas stream, and iv) separating the chloro-phosphorus compounds.

METHOD FOR ENCAPSULATING ELECTRICAL CELLS BEARING A NICKEL-BASED SURFACE

NºPublicación:  EP4665573A1 24/12/2025
Solicitante: 
HUNTSMAN ADV MAT SWITZERLAND [CH]
Huntsman Advanced Materials (Switzerland) GmbH
KR_20250149772_A

Resumen de: CN120677061A

The invention relates to a method for packaging a product with a nickel surface, in particular an electrical element with a nickel surface, by using a thermosetting polymer material as a packaging material. The invention also relates to a kit of materials for encapsulating an article with a nickel surface and to an article obtained from said encapsulation. The method of the invention is based on applying a first coating based on an acrylic polymer material between an article with a nickel-based surface and an encapsulation material.

CATHODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, AND CATHODE AND LITHIUM SECONDARY BATTERY WHICH COMPRISE SAME

NºPublicación:  EP4668361A1 24/12/2025
Solicitante: 
LG CHEMICAL LTD [KR]
LG CHEM, LTD
EP_4668361_A1

Resumen de: EP4668361A1

The present invention relates to a cathode active material, a preparation method therefor, and a cathode and a lithium secondary battery which comprise same, the cathode active material having a discrete particle form and comprising a lithium composite transition metal oxide in a discrete particle form with an average particle diameter (D<sub>50</sub>) of greater than 5.5 µm and 10.0 µm or less, wherein the lithium composite transition metal oxide comprises Al, Y and Zr.

ENERGY STORAGE SYSTEM

NºPublicación:  EP4668443A1 24/12/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
EP_4668443_PA

Resumen de: EP4668443A1

An energy storage system according to an embodiment of the present disclosure may include a first battery module assembly and a second battery module assembly mounted on the first battery module assembly, wherein the first battery module assembly may include a module guide provided to guide the mounting with the second battery module assembly.

DIAPHRAGM AND MANUFACTURING METHOD THEREFOR, AND ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

NºPublicación:  EP4668457A1 24/12/2025
Solicitante: 
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
EP_4668457_PA

Resumen de: EP4668457A1

Disclosed in the present application are a diaphragm and a manufacturing method therefor, and an electrode assembly, a battery cell, a battery and an electric device. The diaphragm comprises at least two layers of base membranes and at least one functional layer, wherein the functional layer is arranged between two adjacent base membranes, and the functional layer comprises a piezoelectric material. In the technical solution of the present application, the conductivity is increased, and the strength of the diaphragm is also improved by fixing the position of a piezoelectric material by means of two base layers of membranes and by means of the adhesion of a functional layer, which is sandwiched between the base membranes.

WELDING MISALIGNMENT MEASUREMENT DEVICE AND METHOD OF OPERATING SAME

NºPublicación:  EP4667867A1 24/12/2025
Solicitante: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
EP_4667867_PA

Resumen de: EP4667867A1

A weld step measurement apparatus according to an embodiment disclosed in this document includes a communication circuit, a processor, and a memory configured to store instructions, wherein the instructions may be executed by the processor for the weld step measurement apparatus to acquire 3-dimensional (3D) images of a predetermined area including electrodes stacked on a busbar of a battery from an image acquisition device via the communication circuit, identify step measurement points based on the 3D image, and determine the defectiveness of the battery based on depth values of each of the identified step measurement points.

BATTERY BOX BODY CAPABLE OF BEING STACKED IN MULTIPLE LAYERS, AND SYSTEM

NºPublicación:  EP4668442A1 24/12/2025
Solicitante: 
JIANGSU ADVANCED CONSTRUCTION MACHINERY INNOVATION CENTER LTD [CN]
Jiangsu Advanced Construction Machinery Innovation Center Ltd
EP_4668442_PA

Resumen de: EP4668442A1

The invention provides a battery box capable of being stacked layer by layer and a battery system. The battery box is configured as a box structure. Threaded holes are circumferentially formed in an upper portion of the battery box, and unthreaded screw mounting holes corresponding to the threaded holes are formed in a lower portion of the battery box. Screw fasteners penetrate through the unthreaded screw mounting holes of an upper battery box and the threaded holes of a lower battery box to fixedly connect the upper battery box and the lower battery box. A battery frame is eliminated, and the upper battery box is directly stacked on the lower battery box, such that the space utilization of battery boxes in the battery system is greatly increased, and a vehicle can be loaded with more batteries under the same volume; by adopting this technical solution, the cooling system can also exert a benefit effect on the tops of batteries, thus improving heat management efficiency; in addition, the technical solution facilitates connection of wires and water lines between the battery boxes.

ADHESIVELY BONDED ASSEMBLY FOR BATTERY HOLDER, AND BATTERY HOLDER FOR TRANSPORT VEHICLE

NºPublicación:  EP4666341A1 24/12/2025
Solicitante: 
CONSTELLIUM SINGEN GMBH [DE]
CONSTELLIUM UK LTD [GB]
Constellium Singen GmbH,
Constellium UK Limited
KR_20250150576_PA

Resumen de: CN120642116A

The invention relates to an assembly (1) for a battery holder, comprising a first structural element (10), a second structural element (20), internal engagement means (30), external engagement means (40) and an adhesive (50); the inner engagement means (30) and the outer engagement means (40) fix the first structural element (10) to the second structural element (20) by means of an adhesive (50) at the level of the first end (11) of the first structural element (10) and at the level of the second end (21) of the second structural element (20).

ADHESIVELY BONDED AND FASTENED ASSEMBLY FOR BATTERY HOLDER, AND BATTERY HOLDER FOR TRANSPORT VEHICLE

NºPublicación:  EP4666342A1 24/12/2025
Solicitante: 
CONSTELLIUM SINGEN GMBH [DE]
CONSTELLIUM UK LTD [GB]
Constellium Singen GmbH,
Constellium UK Limited
KR_20250150575_PA

Resumen de: CN120660232A

The invention relates to an assembly (1) for a battery holder, comprising: a first structural element (10); a second profile (30) exhibiting a hollow cross-section internally delimiting an adhesive surface (s30), and a mating cavity (31); an engagement means (50) inserted into the mating cavity (31) and comprising at least one fixing hole (51), the engagement means (50) comprising an engagement surface (s50) facing the adhesive surface (s30) on the outside; an adhesive (20) interposed between the bonding surface (s50) and the adhesive surface (s30), the adhesive (20) being configured to allow adhesion between the bonding surface (s50) and the adhesive surface (s30); the fixing component (40) comprises a fixing rod (41) which is screwed into the fixing hole (51); the fixing member (40) and the engagement mechanism (50) are thereby configured to fix the first structural element (10) with the second profile (30).

BATTERY, METHOD FOR MOUNTING A BATTERY, AND MOTOR VEHICLE

Nº publicación: EP4665604A1 24/12/2025

Solicitante:

MERCEDES BENZ GROUP AG [DE]
Mercedes-Benz Group AG

CN_120752150_PA

Resumen de: CN120752150A

The invention relates to a battery (10) having a housing (2) and at least one module consisting of individual battery cells (4) which are inserted as a composite (11) into the housing (2), having at least one layer of thermally conductive glue (8) and having a structural package (7). The individual battery cell according to the invention is characterized in that the composite (11) of the individual battery cells (4) has an elastic, flexible sealing strip (12) in the stacking direction (S) between the stacked individual battery cells (4), via which sealing strip the sides of adjacent individual battery cells (4) are each kept at a distance from one another.

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