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LITHIUM DISPENSER SYSTEM FOR MANUFACTURING OF AN ELECTRODE

Resumen de: WO2025137129A1

Systems and methods for utilizing one or more spools and/or rollers for the gentle application of a lithium layer onto a separator layer in an electrode stack of a solid-state battery cell to prevent or minimize damage to the conductive layer. In one embodiment, a feeder spool of provides a conductive foil and interleaf stack combination to an application roller. The application roller may then apply the conductive foil onto a separator layer of the electrode stack. An interleaf rewind spool may collect the remaining interleaf material from the conductive foil/interleaf combination once the conductive foil is deposited onto the separator layer. The conductive foil may adhere to the separator layer through a combination of a gravity force pressing the conductive foil and/or surface energy between the conductive foil and the SSE layer, thereby allowing the interleaf rewind spool to pull the interleaf material from the combination.

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.

ELECTRODE ACTIVE MATERIALS AND MIXED ELECTRODE ACTIVE MATERIALS FOR LITHIUM BATTERIES

Resumen de: US2025210655A1

Described herein are electrode active materials useful as the positive electrode in lithium or lithium-ion batteries. The disclosed electrode active materials comprise lithium phosphates uniquely suited for mixing with lithium layered oxides, as well as the resulting mixture. For example, compositions of matter are described herein. The disclosed materials exhibit high energy density with reduced cobalt and nickel content.

A METHOD OF CHARGING BATTERIES CONNECTED IN A BATTERY STRING

Resumen de: US2025210998A1

A method of selecting and charging battery modules connected in a battery string based on a first method and subsequently based on a second method. The first method includes the following steps: establish a state of charge of the battery modules and control connectivity of the battery modules to the battery string according to the established state of charge, to balance the state of charge among the battery modules. The second method includes the following steps: associate the battery modules with a unique battery module identification, establish a battery module current, establish battery cell voltage of battery cells comprised by the battery modules, control connectivity of the battery modules to the battery string according to the battery module identifications, and charge the battery module connected to the battery string for a determined period of time.

SOLID ELECTROLYTE MATERIAL WITH HIGH THERMAL STABILITY

Resumen de: US2025210699A1

A sulfide electrolyte having a P chemical building block, a solid-state battery containing the sulfide electrolyte having a P chemical building block, and a method of making the same. The sulfide electrolyte having a P chemical building block contains at least lithium (Li), sulfur(S), phosphorus (P), and a halogen, and has a structure characterized by an 86.6 ppm 31P shift in a 31P NMR spectra. In some preferred embodiments, the sulfide electrolyte having a P chemical building block may include chlorine, present in a unique PS43−—Cl− chemical building block.

PREFORMED INSERT FOR BATTERY MODULE

Resumen de: US2025210752A1

A battery module having a preformed insert. The battery module may include a plurality of battery cells configured for storing and supplying electrical power and a cell holder configured for supporting the battery cells. The preformed insert may be disposed relative to the cell holder and the battery cells and formed to include a potting material shaped to define a plurality of coolant channels around the battery cells.

ELECTRONIC EQUIPMENT, BATTERY COMPARTMENT AND CABIN COVER THEREOF

Resumen de: US2025210784A1

The present disclosure relates to the field of electronic devices, and in particular, to an electronic device, a battery compartment, and a cover thereof. The hatch cover comprises a cover body, a first locking unit, a second locking unit and a rotary driving unit; the periphery of the cover body is provided with a first sealing ring; the first locking unit comprises a pair of sliding buckles which are connected to the inner side surface of the cover body in a sliding manner and can move towards each other or away from each other.

VERFAHREN ZUM LAMINIEREN EINER ZYLINDRISCHEN ENERGIESPEICHERZELLE

Resumen de: DE102023135906A1

Ein Verfahren zum Laminieren einer zylindrischen Energiespeicherzelle umfasst die Schritte: Bereitstellen einer Elektrodenschichtenfolge (2) umfassend wenigstens eine Anode, eine Kathode und einen Separator; Laminieren eines Kernbereichs (2) der Elektrodenschichtenfolge (1), indem ein Laminat unter dem Druck und der Temperatur, die durch einen Laminierstab (200) erzeugt werden, mit dem Kernbereich (2) der Elektrodenschichtenfolge (1) verbunden wird; und Aufwickeln der Elektrodenschichtenfolge (1) zu einem Elektrodenwickel (120), so dass der Kernbereich (2) der Elektrodenschichtenfolge (1) den Wicklungskern (190) des Elektrodenwickels (120) formt.

Hochvolt-Batterieanordnung und Verfahren zum Temperieren von Einzelzellen

Resumen de: DE102023005239A1

Die Erfindung betrifft eine Hochvolt-Batterieanordnung (1) für ein Fahrzeug mit einer Mehrzahl von Einzelzellen (3), einem Gehäuse (4) zur Aufnahme der Einzelzellen (3) und einem Latentwärmespeicher (2). Erfindungsgemäß ist vorgesehen, dass der Latentwärmespeicher (2) mit einer temperaturgesteuerten Positionierungsvorrichtung (5) verbunden ist, welche ausgebildet ist, den Latentwärmespeicher (2) automatisch in zumindest zwei Positionen (P1, P2) zu positionieren, wobei der Latentwärmespeicher (2) in einer ersten Position (P1) mit den Einzelzellen (3) thermisch gekoppelt ist und in einer zweiten Position (P2) mit dem Gehäuse (4) thermisch gekoppelt ist. Weiterhin betrifft die Erfindung ein Verfahren zum Temperieren der Einzelzellen (3) der Hochvolt-Batterieanordnung (1).

SODIUM ION CATHODE ACTIVE MATERIALS FOR BATTERIES

Resumen de: WO2025132336A1

The present invention relates to a cathode active material for rechargeable batteries comprising Na, M, and O, wherein M consists of Fe in a molar ratio a, wherein 0.05 ≤ a ≤ 0.40 relative to M; Mn in a molar ratio b, wherein 0.50 ≤ b ≤ 0.90 relative to M; and X in a molar ratio c, wherein 0.01 ≤ c ≤ 0.10 relative to M, and wherein X is at least one element selected from B, Si, K, Co, Ga, Rb, Rh, Cs, Re, Tl and Pb; wherein a+b+c is 1.00, the molar ratio of Na to M (Na/M) is between 0.40 and 1.10, and the content of Na, Fe, Mn and X is measured by ICP-OES and relates to a method for manufacturing the same.

CATHODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES

Resumen de: WO2025132353A1

The present invention relates to Li-rich Mn-rich cathode active material comprising high- valence transition metal ions, such as Mo, exhibiting high capacity comprising Li, M and O, wherein M comprises: Ni in a molar ratio x, wherein 0.10 ≤ x ≤ 0.50 relative to M; Mn in a molar ratio y, wherein 0.50 ≤ y ≤ 0.80 relative to M; and Mo in a molar ratio z, wherein 0.001 ≤ z < 0.05 relative to M; wherein the molar ratio of Li to M (Li/M) is between 1.00 and 1.60; and wherein the content of Li, Ni, Mn and Mo is measured by ICP-AES, and x+y+z is 1.00.

POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND METHOD FOR MANUFACTURING A POSITIVE ELECTRODE ACTIVE MATERIAL POWDER

Resumen de: WO2025132335A1

The present invention is related to a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material powder comprises particles, wherein each of the particles consists of at least one primary particle and at most twenty primary particles, wherein the positive electrode active material powder essentially comprises Li, Ni, Mn, Al, and O, and wherein Al is introduced by (i) adding a material formed by heating a mixture comprising a Li source and a transition metal composite precursor essentially comprising Ni and Mn to an aqueous solution comprising a Al-containing compound and (ii) milling the material. Due to the aforementioned introduction of Al, the positive electrode active material powder may have a ratio of Ni3+ to Ni2+ as measured by XPS being at least 1.45.

BATTERY CONTROL UNIT AND HIGH VOLTAGE POWER SUPPLY SYSTEM

Resumen de: WO2025132295A2

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).

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.

LITHIUM-MANGANESE-BASED OXIDE AS A CATHODE ACTIVE MATERIAL FOR LITHIUM-ION RECHARGEABLE BATTERIES

Resumen de: WO2025132361A1

A cathode active material for rechargeable batteries comprising lithium, M1, and oxygen, wherein M1 comprises: - Ni in a content x1, wherein 0.0 < x1 < 45.0 at%, relative to M1; - Mn in a content y1, wherein 50.0 < y1 < 98.0 at%, relative to M1; - Co in a content z1, wherein 0.0 < z1< 15.0 at%, relative to M1; - Na in a content w1, wherein 0.0 < w1 < 2.0 at%, relative to M1; - S in a content molar ratio ql, wherein 0.0 < q1 < 5.0 at%, relative to M1; - D1 in a content molar ratio dl, wherein 0.0 < d2 < 2.0 at%, relative to M1, wherein D1 is an element different from Li, Ni, Mn, Co, Na, S and O; wherein the content of Ni, Mn, Co, Na, S and D1 is measured by ICP-OES, and x1+y1+z1+w1+q1+d1 is 100.0 at%, and wherein the cathode active material has a BET value of at least 1.0 m2/g.

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

Resumen de: WO2025132314A1

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.

TITANIUM-DOPED ANHYDROUS IRON PHOSPHATE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025129838A1

The present application belongs to the technical field of iron phosphate material preparation, and provides a titanium-doped anhydrous iron phosphate material, a preparation method therefor, and a use thereof. The preparation method of the titanium-doped anhydrous iron phosphate material comprises the steps: providing a titanium-containing ferrous sulfate raw material liquid and a titanium-free ferrous sulfate raw material liquid; mixing the titanium-containing ferrous sulfate raw material liquid and the titanium-free ferrous sulfate raw material liquid, to obtain a mixed solution; mixing the mixed solution with an oxidant and a phosphorus source, to obtain a slurry containing iron phosphate and titanium phosphate; sequentially subjecting the slurry to aging, rinsing, drying and sintering, to obtain a titanium-doped anhydrous iron phosphate material. The present application can achieve doping control of elemental titanium in the titanium-doped anhydrous iron phosphate material by means of adjusting the mixing ratio of the titanium-containing ferrous sulfate raw material liquid and the titanium-free ferrous sulfate raw material liquid, so that the elemental titanium content in the final product is stable and controllable; the titanium-doped anhydrous iron phosphate material has a uniform nanoscale particle stacking morphology, which is beneficial for use in preparing battery materials.

ENERGY MANAGEMENT SYSTEM FOR HYBRID BATTERY PACK

Resumen de: WO2025132319A1

An energy management system for a hybrid battery pack (HPB) comprising a high-energy assembly (HE) and a high-power assembly (HP), which are connected through one or more DC/DC converters (Conv, Conv1, Conv2) to one another and/or to a DC bus supplying power to a load, is disclosed, wherein the energy management system is configured to decide, by controlling the power output from the one or more DC/DC converters (Conv, Conv1, Conv2), how large a share of the total power delivered from the hybrid battery pack (HPB) is delivered by the high-energy assembly (HE) and by the high-power assembly (HP), respectively, wherein the energy management system is configured to switch between two or more modes of operation (MO-1, MO-2, MO-3, MO-4), with each of which a specific control criterion (CC-1, CC-2, CC-3) is associated, wherein the two or more modes of operation (MO-1, MO-2, MO-3, MO-4) are ranked in a hierarchy of priority depending on the importance of their respective associated control criteria (CC-1, CC-2, CC-3), and wherein the energy management system is arranged to operate in the highest ranking mode of operation (MO-1, MO-2, MO-3, MO-4), for which the associated control criterion (CC-1, CC-2, CC-3) is fulfilled. Furthermore, a hybrid battery pack (HPB) controlled by such an energy management system and an electric vehicle comprising such a hybrid energy pack are disclosed.

BATTERY HOUSING WITH HEAT INSULATION PROPERTIES

Resumen de: WO2025132340A1

The present invention relates to a battery housing comprising an structural layer and an inner layer wherein the inner layer comprises a polyurethane coating, the polyurethane coating is obtainable by mixing (a) one or more organic polyisocyanates, (b) one or more compounds having at least two isocyanate-reactive hydrogen atoms, comprising polyetherpolyol (b1), (c) one or more catalysts, (d) 30 to 90 wt.-% based on the total weight of components a) to e), of solid flame retardant, and optionally fillers and/or polyurethane additives, to give a reaction mixture and allow the reaction mixture to cure. The present invention further relates to a method for the production of a battery housing according to the invention and a battery comprising a battery housing according to the present invention.

BATTERY POST WELDING

Resumen de: WO2025136485A1

An apparatus arranged for establishing an electrical connection to battery cells is described. The apparatus includes a bushing, a post, and a weld. The bushing has a bushing first portion and a bushing second portion. The post is in physical contact with the bushing. The weld is welded using laser welding and includes bushing material and post material. A weld first portion extends away at least from the bushing. A weld second portion is contiguous to the weld first portion, within the bushing, and over the post. A weld third portion is contiguous to the weld second portion, within the bushing, and surrounding the post. The weld has a first depth measured from the bushing first portion and/or a second depth measured from the bushing second portion. The first depth and/or the second depth meet or exceed a depth minimum threshold.

METHOD FOR DETERMINING AN INSTALLATION POSITION OF A BATTERY MODULE IN A BATTERY

Resumen de: WO2025131811A1

The invention relates to a method for determining an installation position of a battery module in a battery. The battery (1) comprises a plurality of battery modules (20), a master-BMS unit (10) and, for each battery module (20), a slave-BMS unit (30). The master-BMS unit (10) and the slave-BMS unit (30) each comprise a radio transceiver. The master-BMS unit (10) is designed to an installation position of a selected slave-BMS unit (30_m) in the battery (1) depending on a first matrix data record and a first number of provided first reference matrix data records. The first matrix data record comprises, for a plurality of frequencies or a plurality of specified frequency channels of a specified frequency band, one or more signal transmission quality parameter values for wireless signal transmission between the selected slave-BMS unit (30_m) and the master-BMS unit (10).

METHOD FOR DETERMINING AN INSTALLATION POSITION OF A BATTERY MODULE IN A BATTERY

Resumen de: WO2025131810A1

The battery (1) comprises a plurality of battery modules (20), a master BMS unit (10) and, for each battery module (20), a slave BMS unit (30). The master BMS unit (10) and the slave BMS units (30) each comprise a radio transceiver. The master BMS unit (10) is designed to determine an installation position of a selected slave BMS unit (30_m) in the battery (1) depending on an indicator for a received signal strength. Alternatively, the master BMS unit (10) is designed to send signal strength indicator information to a superordinate computing unit, wherein the signal strength indicator information comprises the indicator for the received signal strength and causes a position determination module of the superordinate computing unit to determine the installation position of the selected slave BMS unit (30_m) in the battery (1) depending on the indicator for the received signal strength.

METHOD FOR OPERATING A WIRELESS NETWORK OF A BATTERY MANAGEMENT SYSTEM

Resumen de: WO2025131809A1

A primary network node of a master BMS unit (5) of the battery management system, BMS, and a respective secondary network node of a slave BMS unit (30) of the BMS are configured to communicate with one another using a predefined wireless communication protocol. A matrix of connection quality parameter values is determined depending on provided measured values, wherein the provided measured values each represent a signal quality for a signal received from the primary network node in a respective frequency channel by a respective secondary network node. The frequency channels are classified depending on the connection quality parameter values determined for the frequency channels and the frequency channels assigned to a first group are used for transmission.

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).

METHOD FOR SOLUTION SYNTHESIS OF LITHIUM ARGYRODITE PARTICLES

Nº publicación: WO2025132035A1 26/06/2025

Solicitante:

IFP ENERGIES NOW [FR]
IFP ENERGIES NOUVELLES

Resumen de: WO2025132035A1

The present invention relates to a method for synthesis of particles of lithium argyrodite of formula Li7-(a+b)PS6-(a+b+c)OcXaQb, where X and Q are two different halogenated elements selected from F, Cl, Br, I; O is an oxygen atom, where 1≤a+b<2, c is between 0 and 0.25, limits included, a and b not being simultaneously zero, from a lithium reagent Li2Sx, where x is between 1 and 8, a phosphorus reagent Rp selected from P2S5, P4S10, P4S9 and P4S9+n, where n is between 0 and 1, and a halogenated compound selected from LiX and PSX3; and an optional phosphorus-containing or halogen-containing oxygenated reagent selected from P2O5, LiCIO4, LiBrO4, LilO4, by formation of an intermediate solvate-complex compound Li3PS4 solvent, centrifugation, redispersion of the centrifuged phase in an anhydrous solvent, then filtration and washing of the intermediate compound, drying and heat treatment.