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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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HEAT EXCHANGE TUBE, BATTERY, AND ELECTRIC APPARATUS

Publication No.:  US20260269368A1 10/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
US_20260269368_A1

Absstract of: US20260269368A1

A heat exchange tube, a battery, and an electric apparatus are provided. The heat exchange tube includes a plurality of straight heat exchange sections and at least one bent section. The plurality of straight heat exchange sections are spaced apart. The at least one bent section sequentially connects and communicates with the plurality of straight heat exchange sections; where at least one bent section is provided with a first reinforcement member.

Battery Module Comprising Cooling Fan

Publication No.:  US20260269360A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
US_20260269360_A1

Absstract of: US20260269360A1

The present disclosure provides a battery module containing a plurality of secondary batteries in a module case. The plurality of secondary batteries includes a pouch type case including: two or more electrode assemblies each including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a non-aqueous electrolyte, and two or more housing parts for housing the two or more electrode assemblies arranged in a lateral direction on a plane, and a connection part formed between the housing parts so that the two or more electrode assemblies can be electrically connected in series. The plurality of secondary batteries are stacked such that the connection parts face each other, and separation spaces are respectively formed between the plurality of secondary batteries in the connection part,whereby the cooling fins are respectively located in the respective separation spaces.

METHODS FOR USING CYCLE LIFE DATA TO PROTECT ELECTRIC VEHICLE BATTERY HEALTH DURING USE OF BIDIRECTIONAL CHARGER

Publication No.:  US20260264557A1 10/09/2026
Applicant: 
FERMATA ENERGY II LLC [US]
Fermata Energy II, LLC
US_20260264557_A1

Absstract of: US20260264557A1

A method using temperature data to protect battery health during bidirectional charging in conjunction with monetization activities. The method includes receiving temperature data and determining anticipated energy needs of a building. The temperature data includes at least the temperature of one or more electric vehicle batteries or information required to determine the temperature of the one or more electric vehicle batteries while the anticipated energy needs are relative to ambient air temperature. The method includes determining an amount of discharge of the one or more electric vehicle batteries required to offset the anticipated needs of the building by a predetermined amount and determining based on the temperature data whether discharging the one or more electric vehicle batteries would be harmful to the health of the one or more electric vehicle batteries. The method includes discharging the one or more electric vehicle batteries to offset the anticipated needs of the building.

Positive Electrode Active Material for Secondary Battery, Method for Preparing the Same and Lithium Secondary Battery Comprising the Same

Publication No.:  US20260269230A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
US_20260269230_A1

Absstract of: US20260269230A1

A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.

BATTERY MODULE COOLANT CHANNELS

Publication No.:  US20260269367A1 10/09/2026
Applicant: 
MCLAREN AUTOMOTIVE LTD [GB]
McLaren Automotive Limited
US_20260269367_A1

Absstract of: US20260269367A1

A battery comprising a plurality of battery modules arranged in a row, each battery module comprising a plurality of cells and a housing enclosing the plurality of cells. The battery further comprising a supply coolant conduit and a drain coolant conduit, each adjoining and extending along at least part of the row of battery modules, the supply coolant conduit being configured to supply coolant to multiple ones of the battery modules and the drain coolant conduit being configured to drain coolant from multiple ones of the battery modules.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Publication No.:  US20260269333A1 10/09/2026
Applicant: 
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
US_20260269333_A1

Absstract of: US20260269333A1

Provided is a nonaqueous electrolyte secondary battery in which lithium fluorosulfonate is added to the nonaqueous electrolyte solution and which exhibits excellent low-temperature input characteristics after long-term storage at high temperatures. The nonaqueous electrolyte secondary battery disclosed herein includes a positive electrode, a negative electrode, and a nonaqueous electrolyte solution. The positive electrode is provided with a positive electrode active material layer. This positive electrode active material layer contains trilithium phosphate and, as a positive electrode active material, a lithium transition metal composite oxide that contains at least lithium, nickel, manganese, and cobalt. The negative electrode has a coating film on its surface. The nonaqueous electrolyte solution contains lithium fluorosulfonate. The mass proportion of the trilithium phosphate with reference to the positive electrode active material is not less than 0.9 mass % and not more than 4.25 mass %. The content of the lithium fluorosulfonate in the nonaqueous electrolyte solution is not less than 0.135 mass % and not more than 0.850 mass %.

BATTERY MODULE WITH SEALED STRUCTURE

Publication No.:  US20260269397A1 10/09/2026
Applicant: 
SK ON CO LTD [KR]
SK ON CO., LTD.
US_20260269397_A1

Absstract of: US20260269397A1

The present disclosure relates to a battery module. The battery module according to an embodiment of the present disclosure may comprises: a plurality of battery assemblies stacked in one direction; a first end plate and a second end plate that are respectively disposed on both sides of the plurality of battery assemblies in the one direction; and a first support bar connecting the first end plate to the second end plate, wherein each of the plurality of battery assemblies includes: a battery cell; a case accommodating the battery cell, an opening being formed in a side of the case; and a first support member coupled to the opening, wherein the first support bar is disposed adjacent to the opening of the case and pressurizes the first end plate and the second end plate.

BATTERY AND BATTERY PACK

Publication No.:  AU2025226993A1 10/09/2026
Applicant: 
ZHEJIANG GEELY HOLDING GROUP CO LTD
GEELY AUTOMOBILE RESEARCH INSTITUTE NINGBO CO LTD
ZHEJIANG GEELY HOLDING GROUP CO., LTD.
GEELY AUTOMOBILE RESEARCH INSTITUTE (NINGBO) CO., LTD.
AU_2025226993_PA

Absstract of: AU2025226993A1

Disclosed in the present invention are a direct cooling plate for a battery pack, and the battery pack. The direct cooling plate (100) comprises: a direct cooling plate body, wherein the direct cooling plate body is provided with a first flow channel (12) and a second flow channel (13) which are both in communication with an inlet, the first flow channel (12) being adapted for heat exchange with batteries; and the direct cooling plate body is further provided with a third flow channel (14) in communication with an outlet, the third flow channel (14) being in communication with both the first flow channel (12) and the second flow channel (13) to enable mixing of heat exchange media flowing through the first flow channel (12) and the second flow channel (13).

PRE-INTERCALATED TUNNEL-PHASE V2O5 AS A BATTERY CATHODE MATERIAL

Publication No.:  US20260269244A1 10/09/2026
Applicant: 
THE TEXAS A&M UNIV SYSTEM [US]
THE TEXAS A&M UNIVERSITY SYSTEM
US_20260269244_A1

Absstract of: US20260269244A1

The subject invention pertains to design of strategies that enable the more effective utilization of active intercalation materials in the production of lithium ion batteries. Na- and K-ion intercalation “props” open the 1D tunnel, reduces electrostatic repulsions between inserted Li-ions, and entirely modifies diffusion pathways, enabling orders of magnitude higher Li-ion diffusivities and accessing higher capacities. The subject invention provides materials and batteries comprising the materials produced via the methods disclosed within this application.

CYLINDRICAL LITHIUM ION SECONDARY BATTERY

Publication No.:  US20260269420A1 10/09/2026
Applicant: 
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd.
US_20260269420_A1

Absstract of: US20260269420A1

Various embodiments of the present invention relate to a cylindrical lithium ion secondary battery. The present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cap assembly comprises a top plate having a flat surface on which a notch is formed, a middle plate coupled to the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly, attached to the middle plate with an insulating plate interposed therebetween, and connected to the top plate through the first through-hole of the middle plate.

POWER SUPPLY SYSTEM

Publication No.:  US20260269636A1 10/09/2026
Applicant: 
TOYOTA JIDOSHA KK [JP]
JERA CO INC [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
JERA Co., Inc.
US_20260269636_A1

Absstract of: US20260269636A1

A power supply system includes a battery string and a controller that controls the battery string. The battery string includes a plurality of battery circuit modules connected in series. Each of the plurality of battery circuit modules includes a battery, an output terminal, and a switch circuit that switches between connection and disconnection of the battery to and from the output terminal. The controller is configured to individually perform, for each of the battery circuit modules, switching control to control the switch circuit in accordance with a duty ratio, the duty ratio indicating a ratio between a connection period during which the output terminal outputs a voltage of the battery, and a disconnection period during which the output terminal does not output the voltage of the battery.

AEROSOL GENERATION DEVICE AND NON-TRANSITORY COMPUTER READABLE MEDIUM

Publication No.:  US20260262753A1 10/09/2026
Applicant: 
JAPAN TOBACCO INC [JP]
Japan Tobacco Inc.
US_20260262753_A1

Absstract of: US20260262753A1

An aerosol generation device having a control unit, a first battery, and a heating unit for heating an aerosol source, wherein when a second battery is provided to a cover member attached to the device body, the control unit controls the supply of power from the second battery to the device body.

Battery Module, Battery Pack Including the Same, and Method of Manufacturing Battery Module

Publication No.:  US20260269351A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
US_20260269351_A1

Absstract of: US20260269351A1

Disclosed herein is a battery module and a battery pack including the same. The battery module can include a first sub-module and a second sub-module. Each sub-module can include a battery cell stack with a plurality of stacked battery cells. A busbar assembly including a busbar can electrically connect the battery cells and a busbar frame that covers the battery cell stack on at least one side. The battery module can include a module frame o house the first sub-module and the second sub-module and a sealing assembly that covers opposite opened ends of the module frame. An end plate can cover the sealing assembly. One end of the first sub-module and the other end of the second sub-module can be electrically connected to each other.

FLUID TRANSPORT PIPE

Publication No.:  US20260266401A1 10/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
US_20260266401_A1

Absstract of: US20260266401A1

Discussed is a fluid transport pipe with excellent assembly property, cooling property, condensation prevention performance. The fluid transport pipe includes a main pipe having a shape elongated in one direction and configured to have a main flow path formed therein in a longitudinal direction, the main pipe further having a branch hole formed at a middle portion of the main flow path; and a branch pipe having a branch flow path formed therein and being configured to be detachable from the branch hole of the main pipe.

BATTERY MODULE, BATTERY PACK, AND VEHICLE INCLUDING THE BATTERY PACK

Publication No.:  EP4804266A2 09/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4804266_PA

Absstract of: EP4804266A2

Provided are a battery module configured to ensure structural stability even when a thermal event occurs, a battery pack, and a vehicle including the battery pack.A battery module includes a cell assembly including a plurality of battery cells, and a compression pad assembly located between the plurality of battery cells, the compression pad assembly including a heat blocking unit in which at least one hollow portion is formed.

COVER PLATE ASSEMBLY FOR BATTERY, BATTERY, BATTERY PACK AND VEHICLE

Publication No.:  EP4804304A1 09/09/2026
Applicant: 
BYD CO LTD [CN]
BYD Company Limited
EP_4804304_PA

Absstract of: EP4804304A1

0001 A vehicle (3000), the vehicle (3000) comprising a battery pack (2000). The battery pack (2000) comprises a battery (1000). The battery (1000) comprises a cover plate assembly (100) for the battery (1000). The cover plate assembly (100) comprises a cover plate (10), a sealing cover (20) and a welding seam part (30). A through hole (11) is formed in the cover plate (10). The sealing cover (20) is arranged on the cover plate (10) to block the through hole (11). The welding seam part (30) is arranged between the sealing cover (20) and the cover plate (10), so as to achieve sealed connection between the sealing cover (20) and the cover plate (10). The welding seam part (30) is provided with a welding seam surface (31), the end of the welding seam surface (31) far away from the through hole (11) being connected to the cover plate (10), and the end of the welding seam surface (31) close to the through hole (11) being connected to the sealing cover (20). In the thickness direction of the cover plate assembly (100), the end of the welding seam surface (31) away from the center line of the sealing cover (20) is higher than the end of the welding seam surface (31) close to the center line of the sealing cover (20).

FORMING DIE AND BATTERY CELL MANUFACTURING SYSTEM

Publication No.:  EP4803223A1 09/09/2026
Applicant: 
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
EP_4803223_PA

Absstract of: EP4803223A1

0001 A forming die and a battery cell manufacturing system. The forming die is used for casing forming of battery cells, and the forming die comprises a die and a punch. The die is provided with a through hole, and the punch mates with the through hole to press a piece to be machined. The punch has a first outer side surface; the first outer side surface comprises a first surface and a second surface which are sequentially distributed in a first direction; the first direction is the stamping direction of the punch; the second surface is configured to enter the through hole before the first surface in the first direction; the second surface protrudes from the first surface in a second direction; and the second direction is perpendicular to the first direction. Using the forming die to manufacture casings can improve the reliability of battery cells.

BATTERY CELL AND BATTERY PACK CAPABLE OF BEING TESTED IN SITU, SYSTEM, AND BATTERY MONITORING METHOD

Publication No.:  EP4804288A1 09/09/2026
Applicant: 
SUZHOU ZING TECH CO LTD [CN]
Suzhou Zing Technology Co., Ltd.
EP_4804288_A1

Absstract of: EP4804288A1

0001 The present application discloses a battery cell and a battery pack capable of monitoring in situ, a system and a battery monitoring method, relating to the technical field of battery safety. The battery cell includes a protective shell and an internal component provided inside the protective shell. The internal component includes: a battery winding mandrel; an ultrasonic transducer module adhered to a surface of the battery winding mandrel by winding; and a battery jelly roll layer adhered to a surface of the ultrasonic transducer module by winding. The ultrasonic transducer module is configured for transmitting an ultrasonic transmitting signal and receiving an ultrasonic reflecting echo to perform ultrasonic detection, so as to conduct real-time in-situ detection on the battery cell through the ultrasonic detection. Based on the technical solution provided by the present application, the ultrasonic detection implemented by the ultrasonic transducer module inside the battery cell can realize real-time in-situ detection on the battery cell in service, so as to avoid risks caused by spontaneous explosion of the battery.

SECONDARY BATTERY

Publication No.:  EP4804265A2 09/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4804265_PA

Absstract of: EP4804265A2

0001 Provided is a secondary battery having improved impact resistance. The secondary battery includes a battery case comprising an electrode assembly and an accommodation part configured to accommodate an electrolyte, and the electrode assembly and the electrolyte, which are accommodated in the accommodation part, wherein the secondary battery satisfies following Equation (1): W / S ≤ 42 where, in Equation (1), W is an amount of electrolyte per unit capacity of the secondary battery unit: g/Ah, and S is a product of a total length unit: m and a full width unit: m of the electrode assembly.

ORGANIC/INORGANIC COMPOSITE SEPARATOR HAVING POROUS ACTIVE COATING LAYER AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME

Publication No.:  EP4804320A2 09/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
TORAY INDUSTRIES [JP]
LG Energy Solution, Ltd.
Toray Industries, Inc.
EP_4804320_A2

Absstract of: EP4804320A2

An organic/inorganic composite separator includes (a) a polyolefin porous substrate having pores; and (b) a porous active layer containing a mixture of inorganic particles and a binder polymer, with which at least one surface of the polyolefin porous substrate is coated, wherein the porous active layer has a peeling force of 5 gf/cm or above, and a thermal shrinkage of the separator after being left alone at 150°C. for 1 hour is 50% or below in a machine direction (MD) or in a transverse direction (TD). This organic/inorganic composite separator solves the problem that inorganic particles in the porous active layer formed on the porous substrate are extracted during an assembly process of an electrochemical device, and also it may prevent an electric short circuit between cathode and anode even when the electrochemical device is overheated.

NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Publication No.:  EP4804253A2 09/09/2026
Applicant: 
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
EP_4804253_PA

Absstract of: EP4804253A2

0001 The present invention provides a non-aqueous electrolyte including a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1 below and lithium difluoro(oxalato)borate (LiODFB), and the organic solvent includes ethylene carbonate (EC), propylene carbonate (PC), ethylene propionate (EP), and propyl propionate (PP). 0002 In Formula 1 above, n is an integer of 3 to 10.

A BATTERY OR BATTERY CELL HAVING A HEATER

Publication No.:  EP4802575A1 09/09/2026
Applicant: 
TEKNOLOGIAN TUTKIMUSKESKUS VTT OY [FI]
Teknologian tutkimuskeskus VTT Oy
WO_2025125713_PA

Absstract of: WO2025125713A1

A battery or battery cell according to the invention has a heater on it. The heater is a foil transfer technology manufactured metal foil. The metal foil is flexible, conductive, and solderable material. Further, the metal foil heater comprises pads for soldering.

POWER STORAGE DEVICE

Publication No.:  EP4804324A1 09/09/2026
Applicant: 
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.
EP_4804324_PA

Absstract of: EP4804324A1

A battery (10) comprises: an electrode body (14) in which a belt-like positive electrode (11) and a belt-like negative electrode (12) are wound via a belt-like separator (13); an outer can (16) that accommodates the electrode body (14) and includes a cylindrical part (30); and a sealing body (17) that closes an opening part of the outer can (16). In the axial direction of the electrode body (14), the negative electrode 12 has a first end and a second end. There are: a first current collecting path for electrically connecting the negative electrode (12) and the outer can (16) on the first end side; and a second current collecting path for electrically connecting the negative electrode (12) and the outer can (16) on the second end side.

SULFIDE SOLID ELECTROLYTE, BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

Publication No.:  EP4804210A1 09/09/2026
Applicant: 
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
EP_4804210_PA

Absstract of: EP4804210A1

0001 A main object of the present disclosure is to provide a sulfide solid electrolyte capable of inhibiting increase of battery resistance along with charge and discharge cycle. 0002 The present disclosure achieves the object by providing a sulfide solid electrolyte including a Li element, a P element, and a S element, wherein, in a TOF-SIMS analysis, a ratio (C/C) of a total ionic strength (C) of PO<3+>, SO<4>2- and PSO<+> with respect to a total ionic strength (C) of all is 0 or more and less than 9.10 * 10<-3>.

POWER STORAGE DEVICE

Nº publicación: EP4804322A1 09/09/2026

Applicant:

PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.

EP_4804322_PA

Absstract of: EP4804322A1

0001 A battery (10) comprises: an electrode body (14) in which a belt-shaped positive electrode (11) and a belt-shaped negative electrode (12) are wound with a belt-shaped separator (13) in between; an outer can (16) that accommodates the electrode body (14) and includes a cylindrical part (30); and a sealing body (17) that closes an opening part of the outer can (16). In the axial direction of the electrode body (14), the negative electrode (12) has a first end and a second end. Power is collected from the negative electrode (12) through the first end side. At the second end, there is formed a second exposed part (shock-absorbing part) (46) where a region on the outer peripheral side of the electrode body (14) protrudes outward in the axial direction more than a region on the inner peripheral side. The second exposed part (46) constitutes a shock-absorbing part.

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