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BATTERY SYSTEM

Resumen de: EP4712203A2

Disclosed is a battery system that is easy to install or expand and has improved safety. The battery system according to an aspect of the present disclosure includes a plurality of battery containers, each including a battery rack, a container housing accommodating the battery rack in an internal space, and a first power line configured to transmit charge power and discharge power, wherein the first power lines of the battery containers are connected to each other; and a control cabinet including a control module configured to control the plurality of battery containers, a cabinet housing accommodating the control module in an internal space, and a second power line configured to be connected to the first power line of one of the plurality of battery containers.

SECONDARY BATTERY, BATTERY MODULE COMPRISING SAME, BATTERY PACK, AND ELECTRICAL DEVICE

Resumen de: EP4712202A2

This application relates to a secondary battery, and a battery module, a battery pack, and an electric apparatus containing the same. The secondary battery includes: an electrolyte having a specific percentage of a low-viscosity solvent, a specific percentage of a high-dielectric-constant solvent, and a negative electrode having a negative electrode active material layer, and the secondary battery satisfies the relational expression: 1×10−4≤B×C×POI×CW≤1×10−3, where B is the percentage of the low-viscosity solvent in total solvent in the electrolyte by mass; C is a percentage of an electrolyte salt in the electrolyte by mass; P is a porosity of the negative electrode active material layer; CW is a coating weight of the negative electrode active material layer, measured in mg/cm<2>; and OI is an orientation index of the negative electrode active material layer, where OI=C004/C 110, C004 is a peak area of a 004 characteristic diffraction peak in an X-ray diffraction pattern of the negative electrode active material layer, and C110 is a peak area of a 110 characteristic diffraction peak in the X-ray diffraction pattern of the negative electrode active material layer.

BATTERY PACK

Resumen de: EP4712248A2

Disclosed herein relates to a battery pack for accommodating a battery module, including: a pack case in which a battery module settles; wherein the pack case includes: a main separation wall; a base plate coupled to the main separation wall and including a module area wherein the battery module is settled; and a side wall coupled along a perimeter of a base plate coupled to the main separation wall; wherein the main separation wall includes an insulating material with low thermal conductivity.

BATTERY PACK

Resumen de: EP4712230A2

A battery pack (100) includes:a pack unit body (140) including at least one battery cell (141);a first cooling plate (110) including a first cooling path (111), along which a refrigerant is circulated, and a first inlet pipe (112) connected to the first cooling path (111);a second cooling plate (120) including a second cooling path (121), along which a refrigerant is circulated, and a second inlet pipe (122) connected to the second cooling path (121) and sealingly coupled to the first inlet pipe (112);a main supply pipe (130) branching from the first inlet pipe (112) or the second inlet pipe (122) and supplying a refrigerant to the first inlet pipe (112) and the second inlet pipe (122);a side frame (170) facing the pack unit body (140);a cover member (180) disposed between at least of the first cooling plate (110) or the second cooling plate (120) and the pack unit body (140) to cover the pack unit body (140); anda partition wall frame(171) connected to the side frame (170) such that a third venting hole (171a) opens toward the pack unit body (140),wherein the side frame (170) has a first venting hole (170a) and a second venting hole (170b) connected to the outside; andwherein the partition wall frame (171) has the third venting hole (171a) connected to the first venting hole (170a) .

REFRIGERANT FOR THERMAL MANAGEMENT OF VEHICLE BATTERY, AND METHOD AND APPARATUS FOR THERMAL MANAGEMENT THEREOF BASED ON THE REFRIGERANT

Resumen de: EP4711433A1

Disclosed are a use of a refrigerant, a method, and an apparatus for thermal management of a vehicle battery. The refrigerant comprises at least one of a natural refrigerant; a hydrofluorocarbon (HFC)-based refrigerant; a hydrofluoroolefin (HFO)-based refrigerant; a hydrochlorofluorocarbon (HCFC)-based refrigerant; a hydrocarbon-based refrigerant that is not a natural refrigerant; and a halon or a perfluorocarbon (PFC)-based refrigerant, and can be used for thermal management of the vehicle battery by controlling a temperature of said vehicle battery.

ELECTRODE DRYING DEVICE

Resumen de: EP4711695A1

The present disclosure relates to an electrode drying device including a housing, an electrode transport device configured to transport an electrode through the housing unit in a first direction. An air supply is provided with the housing unit to supply air into the housing unit. A light is disposed between the electrode and the air supply device.

SYSTEM AND METHOD FOR PREVENTING REUSE OF BMS

Resumen de: EP4712206A1

Disclosed are a system and method for preventing the reuse of a battery monitoring system (BMS) and a system and method for preventing an unauthenticated private company from reusing a BMS only when a cell is replaced in a battery pack. The system for preventing the reuse of a BMS includes a battery monitoring unit configured to monitor specifications of a battery, a cell replacement determination unit configured to determine whether a cell has been replaced in a battery pack based on results of the monitoring of the specifications of the battery, and a permanent failure mode entry unit configured to determine whether to enter a permanent failure mode for the battery pack based on the results of the determination of whether the cell has been replaced.

BATTERY PACK COMPRISING THERMAL RESIN

Resumen de: EP4712209A1

Provided is a battery pack including: a battery module comprising a module frame; a pack frame having a bottom plate where the battery module is placed; and a thermally conductive resin interposed between a bottom plate of the battery module and the bottom plate of the pack frame, wherein a hole-shaped or groove-shaped receptor is provided in the bottom plate of the module frame, and the thermally conductive resin comprises an extension extending in upward direction and filling the anchor.

AN ELECTRICAL MODULE FOR A POWER TOOL AND A POWER TOOL

Resumen de: EP4712240A2

The invention is related to an electric module for use in a power tool comprising a housing and an electrical connection terminal. The housing defines a battery chamber which at least partly accommodates a battery assembly. The electrical connection terminal is disposed at the top portion within the housing. The electrical connection terminal is arranged to electrically connect with the battery assembly accommodated in the battery chamber. The housing prevents water and/or foreign matters in the battery chamber from contacting with the electrical connection terminal disposed at the top portion inside the housing. The invention allows the battery chamber exposing to the external through the opening without the necessity of including additional waterproof/enclosed units in the electric module for preventing water and/or foreign matters entering the battery chamber and contacting with the electrical connection terminal disposed at the top portion within the housing. The structure is simple, the production cost is low, and unnecessary units are reduced.

BATTERY SYSTEM HAVING A BATTERY MODULE

Resumen de: EP4712213A2

A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.

CARBON-COATED FAST-IONIC CONDUCTOR-MODIFIED POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4712161A1

The present disclosure provides a carbon-coated fast-ionic conductor-modified positive electrode material and a preparation method therefor. The positive electrode material has a chemical general formula of LiaNixCoyMnzO2·cA·dB, where 1.00 ≤ a ≤ 1.20, 0.00 < c ≤ 0.01, 0.00 < d ≤ 0.02, 0.00 ≤ x < 1.00, 0.00 ≤ y < 0.2, 0.00 ≤ z < 0.4, and x + y + z = 1; A is a first coating material, and B is a second coating material; and the first coating material A is a carbon-coated fast-ionic conductor, and the second coating material B is a carbon escape-prevention compound. According to the present disclosure, a fast-ionic conductor modified through carbon coating is used to modify a positive electrode material, such that the ionic conductivity and the electronic conductivity of the positive electrode material are synchronously improved. In addition, the surface of the carbon-coated fast-ionic conductor is coated with boric acid due to the glassy property, such that the escape of carbon in the carbon-coated fast-ionic conductor is effectively prevented. Therefore, the present disclosure synchronously improves the ionic conductivity and the electronic conductivity of the positive electrode material, and also improves the safety of the battery.

COMPOSITE SUBSTRATE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4712173A1

Provided is a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least any one of copper, copper oxide, or a combination thereof, wherein the metal layer includes a first metal layer disposed on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer disposed on the first metal layer and including a second copper, and the adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.

BATTERY CELL AND MANUFACTURING METHOD AND DEVICE THEREFOR, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4712251A2

Embodiments of the present application provide a battery cell and a manufacturing method and device therefor, a battery, and an electric device. A battery cell (100) comprises: an electrode assembly (1) comprising a main body part (11) and a tab (12), the tab (12) being connected to a side portion of the main body part (11) in a first direction (X); and a protective frame (2) having an integrated structure and comprising three sections of protective plates which are respectively used for protecting three side surfaces of the main body part (11), the three sections of protective plates comprising a first plate (21), a second plate (22), and a third plate (23), the third plate (23) being located between the first plate (21) and the second plate (22), two ends of the third plate (23) being respectively connected to a first end of the first plate (21) and a first end of the second plate (22), and at least one of the first plate (21), the second plate (22), and the third plate (23) being provided with an opening (231), wherein the tab (12) is led out from the opening (231).

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4712169A1

An electrolyte for a lithium secondary battery according to exemplary embodiments includes an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery exhibits improved low-temperature properties and high-temperature stability.

ELECTRODE SUBSTRATE FOR RECHARGEABLE LITHIUM BATTERIES, ELECTRODE AND RECHARGEABLE LITHIUM BATTERIES CONTAINING THE SAME, AND METHOD FOR MANUFACTURING THE ELECTRODE

Resumen de: EP4712153A1

Examples of the disclosure include an electrode substrate for a rechargeable lithium battery, an electrode and a rechargeable lithium battery including the electrode substrate, and a method for manufacturing the electrode. The electrode substrate for a rechargeable lithium battery includes a first metal layer including a first metal; an insulating layer on the first metal layer and including a polymer; and a second metal layer on the insulating layer and including a second metal. The insulating layer has an interconnected pore structure and is divided into a first region and a second region, and the first region further includes a third metal that substantially fills the interconnected pore structure within the insulating layer.

SOLID-STATE BATTERY

Resumen de: EP4712158A1

A solid-state battery (100) has a first collector (110), a first electrode layer (111), an electrolyte layer (120), a second electrode layer (131) and a second collector (130), in that order, wherein the first collector (110) includes a resin layer (112) that contacts the first electrode layer (111), the first electrode layer (111) contains an electrode active material, and the electrode active material has an active material resin.

MIXING DEVICE AND ELECTRODE MIXING METHOD

Resumen de: EP4711034A1

A mixing device (10) includes a supply module (100) configured to provide an active material, a binder, and/or a conductive material to a mixing module (200), the mixing module (200) configured to form an electrode slurry including the active material, the binder, and/or the conductive material, and a discharge module (300) configured to discharge the electrode slurry. The mixing module (200) includes a pair of screws (211, 212) having threads formed on an outer surface in along a longitudinal direction of the mixing module (200), the pair of screws (211, 212) configured to rotate, and a barrel (220) including a hole (230) configured to accommodate the pair of screws (211, 212), the barrel (220) including an embossed pattern (271) or a debossed pattern (281) formed on an inner surface of the hole (230).

NOTCHING APPARATUS AND METHOD USING NOTCHING APPARATUS

Resumen de: EP4711108A1

A notching apparatus includes a base, a die coupled to the base and including an electrode plate insert protruding in an upward direction, the die configured to accommodate an electrode plate comprising a substrate and an active material on an upper surface of the die; and a cutter configured to cut the electrode plate while the electrode plate insert is penetrated into at least a portion of the active material in the upward direction.

BATTERY AND METHOD FOR MANUFACTURING THE BATTERY

Resumen de: EP4712221A1

Disclosed is a battery, comprising battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface and an outer surface opposite to the inner surface; and at least one electrode lead electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case. The outer surface of the inflatable pouch case is sealingly bonded to a surface of the at least one electrode lead.

ELECTRODE ASSEMBLY AND BATTERY CELL AND POWER SOURCE INCLUDING THE SAME

Resumen de: EP4712186A1

An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.

BATTERY PACK

Resumen de: EP4712234A1

A battery pack is provided. The battery pack includes a housing (1), a battery cell group (2), and a plurality of reinforcing plates (3). Each of the plurality of reinforcing plates (3) includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group (2) is arranged in the housing (1). Each of two side walls of the battery cell group (2) along a length direction of the battery cell group (2) is arranged with a corresponding one of the plurality of reinforcing plates (3). The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group (2).

TAPE ATTACHING DEVICE AND METHOD AND SYSTEM FOR MANUFACTURING A CYLINDRICAL BATTERY

Resumen de: EP4712185A1

A tape attaching device (200) including: a lower support structure (210) to support a cylindrical electrode assembly (110); a plurality of compression jigs (220) to bend an insulating tape (120) attached to a side surface (112) of the electrode assembly (110) and protruding in a height direction along a circumference of an upper surface (114) of the electrode assembly (110), and attach the insulating tape (120) to the upper surface (114) of the electrode assembly (110); a pressing device (230) to flatten the upper surface (114) of the electrode assembly (110) to which the insulating tape (120) is attached; and a controller (240) to control the compression jigs (220) and the pressing device (230).

ENERGY STORAGE CONVERTER AND ENERGY STORAGE SYSTEM

Resumen de: EP4712711A1

The present disclosure relates to the technical field of energy storage, and, in particular, to an energy storage converter and an energy storage system. In embodiments of the present disclosure, a first cavity of a housing is configured to include a first region and a second region which are arranged along a first direction, an airflow generation apparatus can generate a first airflow flowing through the first region and a second airflow flowing through the second region, and the first airflow and the second airflow both flow in from a first side of the first cavity and flow out from a second side of the first cavity, so that the first region can be subjected to heat management by using the first airflow, and the second region can be subjected to heat management by using the second airflow. Meanwhile, since an average heat generation of devices arranged in the first region is greater than an average heat generation of devices arranged in the second region, more of the first airflow can flow into and flow out of a first channel defined by a cover by arranging the cover in the first region, so that a heat management effect of the first region can be improved, and then, a heat management effect can be improved on the whole.

PROCESS CONTROLLER, ROLL MAP GENERATION SYSTEM INCLUDING SAME, AND METHOD FOR GENERATING ROLL MAP BY USING SAME

Resumen de: EP4712147A1

Example embodiments of the present technology provide a roll map generating method. The roll map generating method includes collecting first data, which represents a first event of an electrode sheet where a roll-to-roll process is performed, in a first memory region, and copying the first data to a second memory region.

ENERGY STORAGE BATTERY AND CONTROL METHOD THEREFOR

Nº publicación: EP4712297A1 18/03/2026

Solicitante:

SOLAX POWER NETWORK TECH ZHEJIANG CO LTD [CN]
SolaX Power Network Technology (Zhejiang) Co., Ltd

Resumen de: EP4712297A1

An energy storage battery and a control method thereof. The energy storage battery includes battery groups connected in parallel, and each battery group includes batteries connected in series. Each battery includes a charge and discharge circuit, including a storage battery, a first switch, and a second switch, and the first switch and the second switch are used to control conduction of a connection line between two batteries. The batteries are connected in series to form the battery groups, and the battery groups are connected in parallel to form the energy storage battery, such that when the energy storage battery operates, each battery independently controls the on-off of its first switch and second switch to control the conduction of connection lines between the battery and other batteries, thereby allowing each battery of the energy storage battery to be freely extended. When a certain battery has a fault, it is merely required to control the battery group including the battery and to disconnect and repair the faulty battery, thus improving the overall operation efficiency of the energy storage battery.