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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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Verfahren zum Herstellen eines Zellmoduls, Zellmodul und Batteriespeicher mit Zellmodul

Publication No.:  DE102024130467A1 23/04/2026
Applicant: 
BAYERISCHE MOTOREN WERKE AG [DE]
DE_102024130467_PA

Absstract of: DE102024130467A1

Die Offenbarung betrifft ein Verfahren zum Herstellen eines Zellmoduls (1) aus einer Vielzahl an Batteriezellen, welche in einem rahmenartigen Zellträger aufgenommen sind und so einen Zellträgerverbund (10) bilden, sowie ein Zellmodul (1) mit einer Vielzahl an Batteriezellen, wobei das Zellmodul (1) mit dem offenbarungsgemäßen Verfahren hergestellt ist, und einen Batteriespeicher mit wenigstens einem offenbarungsgemäßen Zellmodul (1).

Batteriesystem mit einem Zellverband aus Rundzellen

Publication No.:  DE102024130158A1 23/04/2026
Applicant: 
AUDI AG [DE]
DE_102024130158_PA

Absstract of: DE102024130158A1

Die Erfindung betrifft ein Batteriesystem mit einem Zellverband (1) aus einer Vielzahl von Rundzellen (3), die in achsparalleler Ausrichtung nebeneinander gestapelt sind, wobei in einem Zwischenraum zwischen benachbarten Rundzellen (3) ein Kleber (27) appliziert ist, um eine Struktureigenschaft des Zellverbands (1) einzustellen, etwa die Steifigkeit des Zellverbands (1) und/oder die thermische Isolation zwischen den Rundzellen (3). Erfindungsgemäß ist zur Reduzierung des Kleber-Materialeinsatzes der Zwischenraum zwischen den benachbarten Rundzellen (3) zumindest teilweise mit einem Einlegerteil (11) gefüllt.

MFSI MOTHER LIQUOR, PREPARATION METHOD THEREFOR AND USE THEREOF

Publication No.:  WO2026083094A1 23/04/2026
Applicant: 
BORSODCHEM ZRT [HU]
WANHUA CHEMICAL YANTAI BATTERY MAT SCIENCE CO LTD [CN]
WO_2026083094_A1

Absstract of: WO2026083094A1

An MFSI mother liquor, a preparation method therefor and a use thereof are provided. The MFSI mother liquor of the present application comprises MFSI, MFSO3, and a solvent, wherein based on the total weight of the mother liquor, the concentration of MFSI is in a range from 15 wt% to 30 wt%, the concentration of MFSO3 is in a range from 0.5 wt% to 10 wt%, and the concentration of the NH2SO3H is less than or equal to 20 ppm by weight; and wherein the MFSI is bis(fluorosulfonyl)imide salt, and M comprises at least one of K, Na, and Li.

Hard Carbon with Sieving Closed-pore Structure as Anode Material for Sodium-ion Battery

Publication No.:  US20260112628A1 23/04/2026
Applicant: 
XUE QI [CN]
FANG ZHOU [CN]
XIANG JING [HK]
ZHENG ZHONG [CN]
ZHU BIN [CN]
Xue Qi
Fang Zhou
Xiang Jing
Zheng Zhong
Zhu Bin
US_20260112628_A1

Absstract of: US20260112628A1

0000 Hard carbon with sieving closed-pore structure and its preparation method are disclosed. Biomass mixture such as cotton, farm biowaste, or a mixture with 70-90% cellulose, 9-20% hemicellulose, and 1-10% lignin, etc., is applied as the raw material. This mixture is subjected to calcination at temperatures ranging from 300 to 600° C., resulting in a pre-carbonized precursor. The precursor is then washed with an alkaline solution. Finally, the precursor undergoes a second calcination at a temperature between 900 to 1400° C. to yield the hard carbon product with sieving closed-pore structure.

BATTERY DIAGNOSTIC DEVICE AND BATTERY DIAGNOSTIC METHOD

Publication No.:  WO2026084213A1 23/04/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026084213_A1

Absstract of: WO2026084213A1

A battery diagnostic device, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a capacity profile indicating the voltage relative to the capacity of a battery cell comprising an electrode based on a lithium iron phosphate (LFP) material; and at least one processor. The at least one processor is configured to: obtain a first differential capacity profile indicating a capacity variation of the battery cell relative to a voltage variation of the battery cell; divide the entire voltage range included in the first differential capacity profile into one or more voltage ranges; and identify positive electrode degradation of the battery cell on the basis of a first voltage range among the one or more voltage ranges.

METHOD AND SYSTEM FOR THERMAL MANAGEMENT OF A VEHICLE

Publication No.:  WO2026083159A1 23/04/2026
Applicant: 
ATHER ENERGY LTD [IN]
WO_2026083159_A1

Absstract of: WO2026083159A1

A method (400) and a system (128) for thermal management of a vehicle (110) is disclosed. The method (400) includes computing an instantaneous temperature rate change value (RT) associated with a corresponding component of one or more components of the vehicle (110). The method (400) further includes obtaining parameters associated with the components based on the computation of the RT. Further, the method (400) includes determining a reference temperature rate change value (dT/dt)REF associated with the corresponding component based on the parameters. The (dT/dt)REF indicates a temperature rate change that enables the corresponding component to operate within a predefined threshold temperature range. Furthermore, the method (400) includes determining an error based on comparing the RT with the (dT/dt)REF. Moreover, the method (400) includes determining a current reference value (IREF) based on the error for regulation of an instantaneous current value (IBATT) such that the RT matches the (dT/dt)REF.

BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

Publication No.:  WO2026084207A1 23/04/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026084207_A1

Absstract of: WO2026084207A1

A battery diagnosis apparatus according to an embodiment disclosed in the present document includes: a memory configured to store a voltage profile representing a voltage change with respect to a capacity change of a battery cell including an electrode based on a lithium manganese iron phosphate (LMFP) material and a nickel, cobalt, manganese (NCM) material; and at least one processor, wherein the at least one processor is configured to identify, from the voltage profile, a first section and a second section determined based on phase transitions of the LMFP material and the NCM material, and to identify, on the basis of the first section and the second section, an available lithium loss rate of the battery cell, a first capacity loss rate corresponding to the LMFP material, and a second capacity loss rate corresponding to the NCM material.

CYLINDRICAL BATTERY CELL, BATTERY APPARATUS, AND ELECTRICAL APPARATUS

Publication No.:  WO2026081226A1 23/04/2026
Applicant: 
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026081226_A1

Absstract of: WO2026081226A1

The present application belongs to the technical field of batteries, and provides a cylindrical battery cell, a battery apparatus, and an electrical apparatus. The cylindrical battery cell comprises a casing, an electrode terminal, an electrode assembly, and a first current collecting member. The electrode terminal is disposed on a wall portion of the casing. The electrode assembly is accommodated within the casing. The electrode assembly comprises a main body portion and a first tab protruding from an end of the main body portion facing the wall portion. The first current collecting member comprises a current collecting body region, an elastic region, and a terminal connection region. The current collecting body region is arranged between the wall portion and the first tab in the thickness direction of the wall portion and is electrically connected to the first tab. The elastic region connects the current collecting body region and the terminal connection region, and the terminal connection region is connected to the electrode terminal. The elastic region is configured to be deformable when the terminal connection region and the current collecting body region approach or move away from each other along the thickness direction of the wall portion, so as to reduce rigid pulling between the electrode terminal and the first current collecting member, which is beneficial to reducing the risk of electrical connection failure between the electrode terminal and the electrode assembl

BLOCKED ISOCYANATE PREPOLYMER FOR THERMALLY CONDUCTIVE COMPOSITION

Publication No.:  WO2026084852A1 23/04/2026
Applicant: 
DOW GLOBAL TECH LLC [US]
WO_2026084852_A1

Absstract of: WO2026084852A1

Thermally conductive compositions may include an isocyanate component, an isocyanate-reactive component and one or more thermally conductive fillers present in one or more of the isocyanate component and the isocyanate-reactive component. The isocyanate component includes a blocked isocyanate prepolymer formed from a reaction of a first prepolymer, prepared from the reaction of one or more polyols comprising an amine-initiated polyol and a polyisocyanate, and an alkyl phenol. The isocyanate-reactive component includes one or more polyetheramine.

TEMPERATURE CONTROL SYSTEM

Publication No.:  US20260112731A1 23/04/2026
Applicant: 
MAHLE INT GMBH [DE]
US_20260112731_A1

Absstract of: US20260112731A1

0000 A temperature-controlling system for controlling the temperature of at least three components via a temperature-controlling agent is disclosed. The system includes a system inlet for supplying the temperature-controlling agent, a system outlet for discharging the temperature-controlling agent, and at least three components to be temperature-controlled. Each component has a component inlet for supplying the temperature-controlling agent and a component outlet for discharging the temperature-controlling agent from the respective component. The system inlet is fluidically connected to at least two component inlets. The system outlet is fluidically connected to at least one component outlet. The at least three components are fluidically interconnected according to a circuit diagram such that a number of components fluidically connected in parallel with regard to the temperature-controlling agent is greater at the system inlet than at the system outlet.

BUS BAR ASSEMBLY AND BATTERY MODULE INCLUDING THE BUS BAR ASSEMBLY

Publication No.:  US20260112785A1 23/04/2026
Applicant: 
SAMSUNG SDI CO LTD [KR]
US_20260112785_A1

Absstract of: US20260112785A1

A bus bar assembly includes a first circuit board that includes a first circuit on at least one surface of the first circuit board. A second circuit is provided on a surface of the first circuit board and electrically connected to the first circuit board. A second circuit is printed on two surfaces of the second circuit board.

METHOD AND SYSTEM FOR CONTROLLING CELL BALANCING IN A DUAL BATTERY SYSTEM

Publication No.:  US20260109264A1 23/04/2026
Applicant: 
HYUNDAI MOTOR COMPANY [KR]
KIA CORP [KR]
US_20260109264_A1

Absstract of: US20260109264A1

A cell balancing control method in a dual battery system and a system thereof are provided. The cell balancing control method in a dual battery system uses a sub high voltage battery for stably extending a driving distance in an electric vehicle and may perform cell balancing of a main high voltage battery by using the sub high voltage battery even if there is no separate slow charger in the dual battery system, thereby extending the life of a battery since a current can evenly spread and solidly have energy density when the main high voltage battery is fully charged by slow charging.

POLYMER ELECTROLYTES BASED ON PERFLUOROPOLYETHERS AND DIMETHYLSULFOXIDE

Publication No.:  US20260112695A1 23/04/2026
Applicant: 
RESEARCH FOUNDATION OF THE CITY UNIV OF NEW YORK [US]
US_20260112695_A1

Absstract of: US20260112695A1

0000 A polymer electrolyte formed from the block copolymerization of a polyethylene glycol (PEG) and a perfluorinated polyether (PFPE). An electrolyte-plasticizer with bis(trifluoromethane)sulfonimide sodium salt NaTFSI and dimethylsulfoxide (DMSO) is present such that the polymer electrolyte is PEG-PFPE-PEG/(NaTFSI)(DMSO)(0.004≤x≤0.610, 3.205≤y≤3.794).

ELECTROLYTE SOLUTION AND METAL BATTERY

Publication No.:  US20260112704A1 23/04/2026
Applicant: 
INDUSTRIAL TECH RESEARCH INSTITUTE [TW]
US_20260112704_A1

Absstract of: US20260112704A1

0000 An electrolyte solution and a metal battery are provided. The electrolyte solution includes a solvent, a first aggregate structure and a second aggregate structure. The first aggregate structure and the second aggregate structure respectively include cations and anions that are coordinated with each other and dissociated from a salt. In the first aggregate structure, the coordination number between a single one cation of the cations and the anions is 2, while in the second aggregate structure, the coordination number between a single one of the cations and the anions is 3 or more, and a ratio of a quantity of the second aggregate structure and a quantity of the first aggregate structure is equal to or greater than 1.

CYLINDRICAL BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Publication No.:  WO2026081225A1 23/04/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
\u5B81\u5FB7\u65F6\u4EE3\u65B0\u80FD\u6E90\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
WO_2026081225_A1

Absstract of: WO2026081225A1

The present application belongs to the technical field of batteries. Provided are a cylindrical battery cell, a battery device and an electric device. The cylindrical battery cell comprises a casing, an electrode terminal, an electrode assembly, a sealing member and a first insulating member. The electrode terminal is arranged on a wall portion of the casing. The electrode assembly comprises a main body portion and a first tab, wherein the first tab is arranged at one end of the main body portion in a protruding manner and is electrically connected to the electrode terminal. The sealing member comprises a first sealing portion located between the wall portion and a first limiting portion of the electrode terminal, and the first sealing portion extends beyond the first limiting portion in a direction away from a central axis of the cylindrical battery cell. The first insulating member comprises a first insulating portion arranged between the wall portion and the first tab, wherein the first insulating portion is formed with a through hole, and the first sealing portion is arranged in the through hole and forms a first gap with a hole wall surface of the through hole. A clearance portion is provided on a first surface of the first tab facing the wall portion, and a projection of the wall portion corresponding to an exposed area of the first gap is located in the clearance portion, so as to reduce the risk of electrical breakdown between the first tab and the wall portion.

METHOD FOR FORMING CONSTRICTION IN CYLINDRICAL MEMBER

Publication No.:  WO2026083510A1 23/04/2026
Applicant: 
RESONAC CORP [JP]
\u682A\u5F0F\u4F1A\u793E\u30EC\u30BE\u30CA\u30C3\u30AF
WO_2026083510_A1

Absstract of: WO2026083510A1

Provided is a method for forming a constriction in a cylindrical member that suppresses fluctuation in the shape of a constriction formation section caused by the elasticity of the cylindrical member and thereby makes it possible to accurately form a constriction of a target size. The present invention includes a constriction formation step for sequentially pressing a first processing roller and a second processing roller that have different outer circumferential shapes and can rotate a cylindrical member around a rotational axis that is parallel to a cylindrical shaft against the outer circumferential surface of the rotating cylindrical member between a mandrel and a mandrel head to form a constriction. At the constriction formation step, the first processing roller and the second processing roller are each pressed against the cylindrical member along a perimeter of 200–1000 mm in addition to the circumferential length of the cylindrical member.

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

Publication No.:  WO2026083495A1 23/04/2026
Applicant: 
KK TOSHIBA [JP]
\u682A\u5F0F\u4F1A\u793E\u6771\u829D
WO_2026083495_A1

Absstract of: WO2026083495A1

This information processing device comprises a processing unit. The processing unit generates a plurality of pieces of divided data obtained by dividing, for each of a plurality of pieces of identification information, time-series operation data obtained during operation of a second battery, which is a battery including a plurality of first batteries each identified by each of the plurality of pieces of identification information, the operation data including time, a specific attribute satisfying a predetermined condition among attributes of the plurality of first batteries, and identification information identifying the first battery having the specific attribute. The processing unit uses the plurality of pieces of divided data to estimate the state of each of the plurality of first batteries.

NONWOVEN FABRIC AND SEPARATOR FOR ELECTROCHEMICAL ELEMENT AND MEMBRANE SUPPORT

Publication No.:  US20260112775A1 23/04/2026
Applicant: 
JAPAN VILENE CO LTD [JP]
Japan Vilene Company, Ltd.
US_20260112775_A1

Absstract of: US20260112775A1

Provided is a versatile nonwoven fabric having excellent heat resistance and mechanical strength and applicable to applications requiring heat resistance; or a nonwoven fabric having excellent heat resistance, mechanical strength, and permeability. Moreover, provided is a separator for electrochemical elements having excellent heat resistance and mechanical strength. Furthermore, provided is a membrane support having excellent heat resistance, mechanical strength, and ion permeability.The nonwoven fabric of the present invention comprises a polymethylpentene component and a polyethylene component, wherein the polyethylene component is fused, and wherein the polymethylpentene component accounts for 30% by volume or more of the total fibers constituting the nonwoven fabric, and the polyethylene component accounts for 30% by volume or more of the total fibers constituting the nonwoven fabric. The separator for electrochemical elements of the present invention comprises the nonwoven fabric. Another nonwoven fabric of the present invention comprises core-sheath composite fibers having a polyethylene component as a sheath component and a polymethylpentene component as a core component, wherein the polyethylene component as the sheath component of the core-sheath composite fiber is fused, wherein the polymethylpentene component accounts for 30% by volume or more of the total fibers constituting the nonwoven fabric, and the polyethylene component accounts for 30% by volume or more of

Elektronikbox mit wenigstens einem immersionstemperierten Gehäuse, sowie Batteriespeicher mit Elektronikbox

Publication No.:  DE102024130640A1 23/04/2026
Applicant: 
BAYERISCHE MOTOREN WERKE AG [DE]
DE_102024130640_PA

Absstract of: DE102024130640A1

Die Offenbarung betrifft eine Elektronikbox (1) mit wenigstens einem immersionstemperierten Gehäuse (4; 6), welches wenigstens einen Fluidzulauf (10) und wenigstens einen Fluidablauf (12) aufweist, so dass ein dielektrisches Fluid über den Fluidzulauf (10) in das Gehäuse (4; 6) einströmen kann, um wenigstens eine in dem Gehäuse (4; 6) aufgenommene Elektronikkomponente (8) zu umströmen, wobei in dem Gehäuse (4; 6) ein nicht von dem dielektrischen Fluid benetztes/durch- und/oder umströmtes, freies Volumen (18) ausgebildet ist, so dass sich aus dem dielektrischen Fluid abgeschiedenes Gas in dem freien Volumen (18) sammelt, sowie einen Batteriespeicher (2) mit einer Vielzahl an in einem Batteriespeichergehäuse (26) aufgenommenen Batteriezellen (28) und einer an dem Batteriespeichergehäuse (26) angeordneten, offenbarungsgemäßen Elektronikbox (1).

CURRENT COLLECTOR, ELECTRODE, BATTERY, AND METHOD FOR MANUFACTURING ELECTRODE

Publication No.:  WO2026083935A1 23/04/2026
Applicant: 
PANASONIC HOLDINGS CORP [JP]
TOYOTA MOTOR CO LTD [JP]
\u30D1\u30CA\u30BD\u30CB\u30C3\u30AF\u30DB\u30FC\u30EB\u30C7\u30A3\u30F3\u30B0\u30B9\u682A\u5F0F\u4F1A\u793E
\u30C8\u30E8\u30BF\u81EA\u52D5\u8ECA\u682A\u5F0F\u4F1A\u793E
WO_2026083935_A1

Absstract of: WO2026083935A1

A current collector 100 according to the present disclosure comprises a substrate 101 and a coating layer 102. The coating layer 102 contains a conductive material 103 and a binder 104. The conductive material 103 contains a carbon material. In the Raman spectrum of the coating layer 102, the ratio G/D, which is the ratio of the peak intensity of the G band to the peak intensity of the D band, is greater than 0.80 and less than 3.09.

PACK HOUSING AND BATTERY PACK COMPRISING SAME

Publication No.:  WO2026084255A1 23/04/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
WO_2026084255_A1

Absstract of: WO2026084255A1

According to exemplary embodiments, a pack housing is provided. The pack housing comprises: a bottom plate; a crossbeam on the bottom plate; and a plurality of bolts coupled to the bottom plate and the crossbeam; and a plurality of adhesive layers interposed between the plurality of bolts and the crossbeam.

Viscoelastic Inorganic Glass Solid Electrolytes For Lithium Or Sodium Batteries

Publication No.:  US20260112686A1 23/04/2026
Applicant: 
MASSACHUSETTS INSTITUTE OF TECH [US]
US_20260112686_A1

Absstract of: US20260112686A1

Described herein is a viscoelastic inorganic glass solid electrolyte material, comprising: LixAlEyGzJm, or NaxAlEyGzJm, wherein E denotes one or more elements selected from the group consisting of boron (B), phosphorus (P), silicon (Si), lanthanum (La), or cerium (Ce), G is a chalcogen element, J is a halide element, and wherein 0

NONAQUEOUS ELECTROLYTE SOLUTION, METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE SOLUTION, BATTERY, METHOD FOR PRODUCING BATTERY, AND VEHICLE

Publication No.:  WO2026083872A1 23/04/2026
Applicant: 
MU IONIC SOLUTIONS CORP [JP]
\uFF2D\uFF35\u30A2\u30A4\u30AA\u30CB\u30C3\u30AF\u30BD\u30EA\u30E5\u30FC\u30B7\u30E7\u30F3\u30BA\u682A\u5F0F\u4F1A\u793E
WO_2026083872_A1

Absstract of: WO2026083872A1

The present invention relates to a nonaqueous electrolyte solution containing an electrolyte, a nonaqueous solvent, and a compound having an Si-F bond. The electrolyte contains PF6 anions and sulfonylimide anions as constituent anions. The molar concentration A of the sulfonylimide anions in the nonaqueous electrolyte solution and the total molar concentration B of the PF6 anions and sulfonylimide anions in the nonaqueous electrolyte solution satisfy the following relationship in expression (I-1): 0.05≤A/B<1.00.

Batterie

Publication No.:  DE102024130902A1 23/04/2026
Applicant: 
MAHLE INT GMBH [DE]
DE_102024130902_PA

Absstract of: DE102024130902A1

Die Erfindung betrifft eine Batterie (1) für ein batteriebetriebenes Fahrzeug (13) mit wenigstens einem Batteriemodul (4). Das Batteriemodul (4) umfasst mehrere Batteriezellen (5) mit jeweils zwei Kontakten (6). Die Batterie (1) umfasst zudem ein von Kühlluft (KL) durchströmbares Kühlungssystem (2) mit wenigstens einer Kanalanordnung (7). Die Kanalanordnung (7) weist dabei mehrere parallel zueinander von Kühlluft (KL) durchströmbare Strömungspfade (10). In jedem der Strömungspfade (10) ist dabei wenigstens einer der Kontakte (6) der Batteriezelle (5) des Batteriemoduls (4) von Kühlluft (KL) umströmbar angeordnet.Die Erfindung betrifft auch ein Fahrzeug (13) mit der Batterie (1) und ein Verfahren (14) zum Kühlen der Batterie (1) des Fahrzeugs (13).

FILLING DEVICE FOR FILLING, WITH A BALLAST MATERIAL, A BATTERY TRAY OF A TRACTION BATTERY FOR A MOBILE WORKING MACHINE

Nº publicación: WO2026082369A1 23/04/2026

Applicant:

KION BATTERY SYSTEMS GMBH [DE]

WO_2026082369_A1

Absstract of: WO2026082369A1

The invention relates to a filling device (1) which is designed to at least partially fill a battery tray (2) of a traction battery (3), in particular a lithium-ion traction battery, for a mobile working machine, in particular an industrial truck, with a ballast material (3a) which comprises shredded metal parts (3). The filling device (1) comprises a metal shredder (10) which is designed to shred scrap metal (11) to form said metal parts (3).

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