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Resultados 1944 resultados
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Publicaciones de los últimos 15 días/Last 15 days publications (excluidas pubs. CN y JP /CN and JP pubs. excluded)
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POLYMER ELECTROLYTES AND METHODS TO PRODUCE THEM

NºPublicación:  EP4574898A1 25/06/2025
Solicitante: 
BELENOS CLEAN POWER HOLDING AG [CH]
Belenos Clean Power Holding AG
EP_4574898_PA

Resumen de: EP4574898A1

The present invention relates to a polymer electrolyte for a battery cell comprising a polymaleimide copolymer comprising i) first polymaleimide repeat units according R<3>(Q)µ, wherein R<3>, individually, is C(H)h(CxH2x+1)i((CH2)ψ)j(CH2OC(O)(CH2)σ)k or a polyether, wherein i is between 0 and 2; j and k, individually, are between 0 and 4; h is 4 - i - j - k; the sum of h and i is between 0 and 2; x is between 1 and 6; ψ is between 1 and 10; and σ is between 1 and 20; µ, individually, is at least 2; Q, individually, is according to formula (I):wherein R<2>, individually, is C1-C16 alkyl, C2-C16 alkenyl, C2-C16 alkynyl or aryl; R<4>, individually, is H, C1-C16 alkyl, C2-C16 alkenyl, C2-C16 alkynyl; Q is covalently bound to R<3> via the sulphur atom of Q; ii) second polymaleimide repeat units according to formula (II)wherein R<1>, individually, is H, C1-C16 alkyl, C2-C16 alkenyl, C2-C16 alkynyl; m, individually, is 1 to 5; M<+> is independently an alkali metal ion; X, individually, is H, F, C1-C16 alkyl, C1-C16 fluoroalkyl; wherein the first polymaleimide repeat units and the second polymaleimide repeat units are covalently bonded to one another.

PRODUCTION METHODS AND WORKING PRINCIPLE FOR THE PRE-EXPANSION OF CHALCOGENIDE-BASED ELECTRODES PRIOR TO THEIR REACTION WITH ALKALI/ALKALINE EARTH METALS

NºPublicación:  EP4576232A1 25/06/2025
Solicitante: 
THEION GMBH [DE]
Theion GmbH
EP_4576232_PA

Resumen de: EP4576232A1

The present invention relates to the working principle and production methods for the pre-expansion of sulfur and/or other chalcogenides such as selenium or tellurium, and/or a mixture of any two or more. The present invention further relates an electrode/cathode comprising sulfur and/or a mixture of sulfur allotropes, for example, crystalline, glassy, amorphous, and/or polymeric (e.g., β-, γ-, and/or ω-phasic) sulfur and/or a mixture of any two or more sulfur allotropes, wherein the sulfur is photonically/electronically/thermally pre-expanded to a state where it has a density equivalent to a metal sulfide, such as Li2S. The expansion is carried out before electrode/cathode fabrication for the realization of alkali and/or alkali earth metal/ion batteries, such as LiS batteries. The resulting pre-expanded chalcogenides such as sulfur has an artificially generated internal cavities/porosity in addition to an open/external porosity, wherein the internal cavities limits and/or compensates the expansion of sulfur further or expansion partially/negligibly during chemical/electrochemical reactions, such as lithiation or sodiation, with mono, di, and trivalent metal ions. A thus fabricated electrode/cathode comprising pre-expanded sulfur and/or chalcogenides allows precise control over density and volume fluctuations and withstands the chemical and electrochemical reactions that occur during battery operation. Additionally, leads to improved performance, and longevity and offers s

HANDLING DEVICE AND METHOD FOR ASSEMBLING BATTERY UNIT

NºPublicación:  EP4576289A1 25/06/2025
Solicitante: 
RIMAC TECH LLC [HR]
Rimac Technology LLC
EP_4576289_PA

Resumen de: EP4576289A1

A handling device for battery units (B) comprises a vacuum chamber. The vacuum chamber comprises in turn a base plate (2) and an engaging portion (3). The base plate (2) presents a terminal connectable to a vacuum source and the engaging portion (3) defines at least one opening in fluid connection with the terminal. The engaging portion (3) is configured to engage in an airtight manner an open end of a vacuum bag (V) containing at least one battery unit (B) so that the vacuum chamber can be overall activated in a use configuration to remove air from the vacuum bag (V) compressing the battery unit (B).

IMPROVED CONTROL OF AN HETEROGENOUS ENERGY STORAGE SYSTEM

NºPublicación:  EP4574554A1 25/06/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4574554_PA

Resumen de: EP4574554A1

A computer system (210) for controlling an energy storage system (ESS, 200) with heterogenous battery packs (110) is provided. The system is configured to, using a processing circuitry (220): obtain pack-specific minimum and maximum allowed operating voltages (Vi,lim) for each battery pack; determine joint ESS-specific minimum and maximum voltage limits satisfying each of the respective pack-specific minimum and maximum allowed operating voltages for all of the battery packs; obtain actual state of charge, SoC, values (SOCi) for each battery pack; determine rescaled SoC values ( SOCi∗) by scaling the actual SoC value for a battery pack to a range defined by an estimated SoC value of the battery pack at the ESS-specific minimum and maximum voltage limits, and control the ESS using the rescaled SoC values for the battery packs. A corresponding ESS, vehicle, computerimplemented method and computer program product/storage medium are also provided.

BATTERY CONTROL UNIT AND HIGH VOLTAGE POWER SUPPLY SYSTEM

NºPublicación:  EP4576314A1 25/06/2025
Solicitante: 
MUNICH ELECTRIFICATION GMBH [DE]
Munich Electrification GmbH
EP_4576314_PA

Resumen de: EP4576314A1

The present disclosure relates to a battery control unit and a high voltage power supply system comprising the battery control unit. The battery control unit (100) comprises a switch device (102), and an assembled circuit (130), which is mounted on a circuit board (128). The assembled circuit (130) includes detection circuitry (186), which is configured to detect at least one operational parameter of the switch device (102), processing circuitry (184), which is configured to control the operation of the switch device (102) in accordance with the at least one operational parameter detected by the detection circuitry (186), and a plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) for detecting the at least one operational parameter of the switch device (102). The further battery control unit (100) comprises a bus bar arrangement, which comprises an input bus bar (104), which is conductively coupled to an input terminal of the switch device (102), and an output bus bar (116), which is conductively coupled to an output terminal of the switch device (102), wherein the circuit board (128) is disposed with respect to the bus bar arrangement such that the plurality of detection contacts (166, 168, 170, 172, 174, 176, 178, 180, 182) abut against corresponding contact surfaces being provided on the input bus bar (104) and on the output bus bar (116).

ANODE FOR AN ELECTROCHEMICAL ENERGY STORAGE DEVICE

NºPublicación:  EP4576244A1 25/06/2025
Solicitante: 
CELLFORCE GROUP GMBH [DE]
Cellforce Group GmbH
EP_4576244_PA

Resumen de: EP4576244A1

The present invention relates to an anode (110) for an electrochemical energy storage device (100), at least comprising- a silicon-carbon composite material (10) in the amount of ≥ 45 wt.-% to ≤ 96 wt.-%, relating to the anode (110),- an anisometric flake graphite in the amount of ≥ 2 wt.-% to ≤ 45 wt.-%, relating to the anode (110);- carbon nanotubes in the amount of > 0 wt.-% to < 1 wt.-%, relating to the anode (110); and- a binder, in particular a polymer binder, in the amount of 0.5 wt.-% to 4 wt.-%, relating to the anode (110).

LITHIUM METAL ANODE COMPRISING A PROTECTIVE LAYER

NºPublicación:  EP4576254A1 25/06/2025
Solicitante: 
BELENOS CLEAN POWER HOLDING AG [CH]
Belenos Clean Power Holding AG
EP_4576254_PA

Resumen de: EP4576254A1

The present invention relates to a lithium metal anode (1, 10, 11) for a battery, comprising an anode active substrate (2) comprising an anode current collector (7) and a layer (8) substantially consisting of lithium metal provided on a surface (4) of the anode current collector (7), and a first lithium metal anode protective layer (3) provided on the layer (8) substantially consisting of lithium metal, characterized in that the first lithium metal anode protective layer (3) comprises lithium iodide (Lil) and lithium fluoride (LiF). The present invention further relates to methods of producing such lithium metal anodes.

A HEAT-TRANSFER SYSTEM FOR A BATTERY

NºPublicación:  EP4576320A1 25/06/2025
Solicitante: 
VOLVO CAR CORP [SE]
Volvo Car Corporation
EP_4576320_PA

Resumen de: EP4576320A1

The disclosure relates to a heat-transfer system (10) for a battery (2) having at least one battery unit (11), the heat-transfer system (10) comprising a first heat-conducting element (12) for thermal connection to the at least one battery unit (11), the heat-transfer system (10) further comprising a second heat-conducting element (13) for thermal connection to a battery external environment, and the heat-transfer system (10) comprising an actuator (18), the actuator (18) being configured to alter the position the first heat-conducting element (12) between a first position for connecting the first heat-conducting element (12) to at least one of the second heat-conducting element (13) and the at least one battery unit (11) and a second position for disconnecting the first heat-conducting element (12) from at least one of the second heat-conducting element (13) and the at least one battery unit (11), and the first heat-conducting element (12) being configured to receive heat from the at least one battery unit (11) and transfer it to the second heat-conducting element (13) in the first position.

INTERCONNECTION OF SETS OF ENERGY STORAGE MODULES

NºPublicación:  EP4576356A1 25/06/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4576356_PA

Resumen de: EP4576356A1

The present disclosure relates to an energy storage arrangement. The energy storage arrangement comprises a sleeve arranged in a first and a second through hole, the sleeve being arranged through a first end surface of a first set of energy storage modules and through a first end surface of a second set of energy storage modules and is connected to a first and a second rod.

ELECTRICAL STORAGE SYSTEM WITH GAS VENTING ARRANGEMENT

NºPublicación:  EP4576367A1 25/06/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4576367_PA

Resumen de: EP4576367A1

The present disclosure relates to an electrical storage system (ESS) (1) comprising a plurality of battery packs (2a,2b,2c) arranged side-by-side, each of the battery packs (2a,2b,2c) being spaced from an adjacent battery pack (2a,2b,2c) such that the side surfaces (3a,3b,3c) of the adjacent battery packs (2a,2b,2c) form inter-battery pack gas channels (4) and wherein each of the battery pack (2a,2b,2c) is provided with a side gas vent opening (5a,5b,5c) to one of the inter-battery pack gas channels (4).

A METHOD FOR DISASSEMBLING A FIRST AND A SECOND BATTERY MODULE

NºPublicación:  EP4574338A1 25/06/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4574338_PA

Resumen de: EP4574338A1

The present disclosure relates to a method for disassembling a first and a second battery module (2, 3) in an energy storage arrangement, the first and second battery modules each comprising at least one battery pack, wherein the battery pack of the first battery module comprises a first rod (90) extending through a through hole at a transverse side of the battery pack, the method comprising;- providing a separation tool (10) to the laterally outer side of the first battery module, the separation tool comprising a threaded through hole wherein a threaded pusher device is guided;- aligning the threaded pusher device (16) with a second end portion of the first rod and connecting the separation tool to the laterally outer side of the first battery modules;- rotating the threaded pusher device such that the pushing force from the pushing-member moves the first rod inwardly, thereby causing the first battery module to move away from the second battery module.

BATTERY MODULE AND OPERATING METHOD

NºPublicación:  EP4576312A1 25/06/2025
Solicitante: 
NXP BV [NL]
NXP B.V
EP_4576312_PA

Resumen de: EP4576312A1

In accordance with a first aspect of the present disclosure, a battery module is provided, comprising: one or more battery cells; a battery module controller operatively coupled to the battery cells, wherein said battery module controller is configured to determine a state of the battery cells; a secure element operatively coupled to the battery module controller, wherein the secure element is configured to store data indicative of the state of the battery cells as determined by the battery module controller; an interface unit operatively coupled to the secure element, wherein said interface unit is configured to receive a request for evaluating said data from an external user device. In accordance with a second aspect of the present disclosure, a corresponding method of operating a battery module is conceived.

BATTERY CELL HOLDER FOR THERMAL MANAGEMENT OF A PLURALITY OF BATTERY CELLS

NºPublicación:  EP4576326A1 25/06/2025
Solicitante: 
ROECHLING AUTOMOTIVE SE [DE]
R\u00F6chling Automotive SE
EP_4576326_PA

Resumen de: EP4576326A1

This invention relates to a battery cell holder for thermal management, in particular for immersion thermal management, of a plurality of battery cells, comprising a first shell, a second shell, wherein the first shell and the second shell are attachable to each other forming a sealed inner space for arranging a plurality of battery cells within said inner space and wherein a thermal management fluid can be applied to the inner space for thermal management, preferably cooling the battery cells, whereina) at least one holding element separated from the first and second shell being adapted to fix a position of at least two of said plurality of battery cells and/or whereinb) the first shell and/or the second shell are provided with fixing elements adapted to provide a fixing function for said plurality of battery cells, wherein the first shell and/or the second shell comprise at least one thermal management channel for thermal management of at least a part of the battery cells fixed by the first shell and/or the second shell.

CHARGING SYSTEM FOR A VEHICLE COMPRISING CHARGER COOLING SYSTEM

NºPublicación:  EP4574512A1 25/06/2025
Solicitante: 
VOLVO TRUCK CORP [SE]
VOLVO TRUCK CORPORATION
EP_4574512_PA

Resumen de: EP4574512A1

A charging system (100) of a vehicle, the charging system comprising: an energy storage (102); a charging connector (104) configured to be connected to an external charger (106) for charging the energy storage; a vehicle energy storage and/or charging circuitry (126) cooling system (108) having a fluid cooling circuit; a heat exchanger (110) thermally coupled to the fluid cooling circuit; and a coolant connector (112) configured to connect the heat exchanger to an external waste heat recovery system (114).

BATTERY VENTING SYSTEM

NºPublicación:  EP4576360A1 25/06/2025
Solicitante: 
RIMAC TECH LLC [HR]
Rimac Technology LLC
EP_4576360_PA

Resumen de: EP4576360A1

A battery system with at least one energy storage unit, a support element, and a structure element is described. The support element extends in a first direction and is made from a first material. The support element couples a unit bottom surface of the at least one energy storage unit to a base surface of the battery system. The structure element is made from a second material and arranged adjacent to the support element at at least two sides of the structure element. The two sides are opposite to each other in a second direction perpendicular to the first direction.

BATTERY CELL AND METHOD FOR MANUFACTURING A BATTERY CELL

NºPublicación:  EP4576348A1 25/06/2025
Solicitante: 
CUSTOMCELLS HOLDING GMBH [DE]
CUSTOMCELLS Holding GmbH
EP_4576348_PA

Resumen de: EP4576348A1

A first aspect of the present disclosure is related to a battery cell (100), comprising:- an electrode stack (110) with two electrode layers, an anode layer and a cathode layer, wherein each electrode layer comprises a current collector (112) ;- a can (102) with a bottom (104) and a top (106) that comprises the electrode stack (110);- a lid (120) arranged on the top (106) of the can (102);- a lid (120) arranged on the bottom (104) of the can (102);wherein at least one lid (120) comprises one or more elevations (122) oriented towards the electrode stack (110) through which it is directly connected to one or both current collectors (112) of the electrode stack (110).

BATTERY CELL TEST SYSTEM AND METHOD FOR TESTING A JELLY ROLL

NºPublicación:  EP4576288A1 25/06/2025
Solicitante: 
CUSTOMCELLS HOLDING GMBH [DE]
Customcells Holding GmbH
EP_4576288_PA

Resumen de: EP4576288A1

A first aspect of the present disclosure is related to a battery cell test system, comprising:- a housing configured to host a wound-up electrode stack;- a first lid configured to be arranged in a variable height in the housing;- a first external battery contact arranged through the first lid and configured to contact a first electrode of the electrode stack through the first lid.

COOLANT COLLECTION DEVICE WITH RIGID TUBE CONNECTIONS

NºPublicación:  EP4573617A1 25/06/2025
Solicitante: 
SIEMENS MOBILITY GMBH [DE]
Siemens Mobility GmbH
DE_102022211309_PA

Resumen de: WO2024088759A1

The invention relates to a coolant collection device (1). The coolant collection device (1) has at least two rigid coolant collection tubes (2) and a T-shaped connecting piece (3) with three tubular connecting elements (3a, 3b, 3c). The T-shaped connecting piece (3) is arranged between the rigid coolant collection tubes (2) and a first (3a) of the three tubular connecting elements (3a, 3b, 3c) is designed to be received in a coolant channel (4) of a battery cooling profile (5), wherein the second (3b) and third (3c) of the three tubular connecting elements (3a, 3b, 3c) are each connected to the coolant collection tubes (2). A battery coolant distribution system (10) for a vehicle (16) is also described. A vehicle (16) is also described. A method for producing a coolant collection device (1) is also described. In addition, a method for producing a battery coolant distribution system (10) is described.

SYSTEM AND METHOD FOR MANUFACTURING A BATTERY CELL

NºPublicación:  EP4573612A1 25/06/2025
Solicitante: 
VERKOR [FR]
Verkor
WO_2024038240_PA

Resumen de: WO2024038240A1

The present invention relates to a method for manufacturing a battery cell, the method comprising the following steps: - providing (E30) a main-electrodes assembly (10) comprising at least two first electrode plates (3), at least two second electrode plates (5) and at least one electrode separator (1) sandwiched in a transverse direction (Z); - at least partially cutting (E50) the main-electrodes assembly (10) in the transverse direction (Z) of the main-electrodes assembly (10) in order to form at least two auxiliary-electrodes assemblies (13), each auxiliary-electrodes assembly (13) comprising at least a first auxiliary-electrodes plate (3a, 3b, 3c, 3d), at least a second auxiliary-electrodes plate (5a, 5b, 5c, 5d), and at least an auxiliary-electrodes separator (1). The invention also relates to a manufacturing system for manufacturing such a battery cell.

METHOD FOR PRODUCING A BATTERY ACTIVE MATERIAL AND PRODUCT THEREOF

NºPublicación:  EP4573605A1 25/06/2025
Solicitante: 
NOVONIX ANODE MAT LLC [US]
Novonix Anode Materials LLC
CN_119948631_PA

Resumen de: WO2024040048A1

The present disclosure relates to the production of active materials that may be used in a battery anode and compositions thereof. The active materials may be composed of natural graphite or graphitizable primary particles that are agglomerated into secondary particles with an agglomeration solution. The resulting secondary particles may be carbonized and graphitized prior to their use as battery active materials.

HEAT TRANSFER FLUIDS

NºPublicación:  EP4573165A1 25/06/2025
Solicitante: 
MIDEL & MIVOLT FLUIDS LTD [GB]
Midel & Mivolt Fluids Limited
KR_20250052373_PA

Resumen de: CN119731287A

The electrical device comprises at least one electrical element in thermal contact with a heat transfer fluid comprising gt, in weight percent of fluid; 95% of at least one ester of a C5 to C9 monocarboxylic acid with a C5 to C9 monoalcohol, the ester having a carbon number of less than 17.

IMPROVED CATHODE MATERIAL FOR SECONDARY LITHIUM BATTERIES

NºPublicación:  EP4573045A1 25/06/2025
Solicitante: 
INTEGRALS POWER [GB]
Integrals Power
KR_20250044452_PA

Resumen de: WO2024038136A1

The invention relates to an improved cathode material comprising a compound having the formula LIMPO4, M being at least one of Fe, V, Mn, Co and Ni, said compound comprising (i) secondary particles formed by agglomeration of (ii) primary particles and (iii) pores between secondary and primary particles, wherein the primary particles have a plate-like morphology and a mean particle size d50 in the range of from 20 to 150 nm and the secondary particles have a spherical morphology and a mean particle size d50 in the range of from 1 to 10 μm.

CONNECTING ASSEMBLY

NºPublicación:  EP4573306A1 25/06/2025
Solicitante: 
TI AUTOMOTIVE TECH CT GMBH [DE]
TI Automotive Technology Center GmbH
KR_20250040061_PA

Resumen de: CN119731462A

A connection assembly (1) for connecting a pipe element (2) to an element (3) of a temperature control device, comprising a pipe element (2) having a tubular portion (4) and a thickened portion (5) formed at one end of the pipe element (2), an element (3) having at least one passage (6), and a connection piece (7). Wherein the connecting piece (7) has a recess (8) in which the pipe element (2) is arranged in such a way that the connecting piece (7) is fixed to the pipe element (2) in a form-fitting and loss-proof manner by means of the thickening (5), the connecting piece (7) and the element (3) each have a thread (9, 10), the threads (9, 10) engage and form a threaded connection (11), and the thickening (5) forms a contact (12) and, on the side facing the pipe element (2), the connecting piece (7) and the element (3) are in contact with each other. A contact portion (12) is connected to the channel (6), an abutment portion (13) is connected to the channel (6), the cross-section of the abutment portion (13) enlarges in the direction towards the pipe element (2), the contact portion (12) is in sealing contact with the abutment portion (13), the pipe element (2) is connected to the channel (6) in a fluid-conducting manner, and the threaded connection (11) presses the contact portion (12) against the abutment portion (13) by means of a form-fitting connection of the connecting piece (7) and the pipe element (2).

PROCESS FOR MAKING AN (OXY)HYDROXIDE, AND (OXY)HYDROXIDE

NºPublicación:  EP4573055A1 25/06/2025
Solicitante: 
BASF SE [DE]
BASF SE
KR_20250050886_PA

Resumen de: CN119731121A

Disclosed is a process for the manufacture of a (oxy) hydroxide of TM wherein TM is a metal wherein at least 97 mol-% is a transition metal, and wherein TM comprises manganese and nickel, and wherein at least 50 mol-% of TM is manganese, and wherein TM is a metal wherein at least 97 mol-% is a transition metal. The invention relates to a process for the preparation of a metal, comprising the following steps: (a) providing an aqueous solution (alpha) of at least one water-soluble salt of such a metal and an aqueous solution (beta) comprising an alkali metal hydroxide selected from NaOH and KOH, (b) combining the solutions (alpha) and (beta) at a pH value in the range of 9.5 to 10.3, in which step (b) is carried out using at least one coaxial mixer comprising two coaxially oriented tubes, introducing the aqueous solutions (beta) and (alpha) into the stirring vessel through these conduits, thereby precipitating the (oxygen) hydroxide of TM, (c) recovering and drying said (oxygen) hydroxide of TM.

CONNECTING DEVICE FOR BATTERY CELLS OF A TRACTION BATTERY, AND TRACTION BATTERY

Nº publicación: EP4573620A1 25/06/2025

Solicitante:

BAYERISCHE MOTOREN WERKE AG [DE]
Bayerische Motoren Werke Aktiengesellschaft

CN_119301809_PA

Resumen de: CN119301809A

The invention relates to a connecting device (16) for battery cells (12, 14) of a power battery (10), which connecting device is provided for compensating for errors between two battery cells (12, 14) of the power battery (10) in at least two spatial directions, comprising: a busbar (26), which is provided for electrically connecting with a first end (22) thereof to a first battery cell (12), a busbar (26) which is electrically connected with the first battery cell (12) by means of its first end (24) and with the second battery cell (14) by means of its second end (24), thus electrically connecting the two battery cells (12, 14) to each other; and a fastening means (34), by means of which the connecting device (16) can be fastened in different relative positions to a housing component or a structural component (18) of the power battery (10) for error compensation (30).

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