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STRETCHING DEVICE AND METHOD FOR STRETCHING A PLASTIC FILM IN ITS TRANSPORT DIRECTION

Resumen de: EP4606557A2

Die Erfindung betrifft eine Streckvorrichtung zum Verstrecken einer Kunststofffolie in ihrer Transportrichtung mit einer ersten Walze, welche mit einem ersten Antrieb antreibbar und mit einer ersten Rotationsgeschwindigkeit rotierbar ist, und mit einer zweiten Walze, welche mit einem zweiten Antrieb antreibbar und mit einer zweiten Rotationsgeschwindigkeit rotierbar ist, wobei die zweite Rotationsgeschwindigkeit größer als die erste Rotationsgeschwindigkeit ist, wobei im Transportweg der Kunststofffolie die zweite Walze stromabwärts der ersten Walze angeordnet ist, wobei mindestens eine der Walzen eine von außen nach innen luftdurchströmbare Walze ist. Erfindungsgemäß ist die mindestens eine luftdurchströmbare Walze kontinuierlich abreinigbar.

NEGATIVE ACTIVE MATERIAL COMPOSITE FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: EP4607600A2

A negative active material composite includes a core and a coating layer around (surrounding) the core. The core includes amorphous carbon and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.

CRIMPING APPARATUS FOR CYLINDRICAL BATTERY, HAVING POSITION MEASUREMENT PART FOR CRIMP-PRESSING PART

Resumen de: EP4607662A1

Disclosed is a crimping apparatus for cylindrical batteries with a crimping pressing portion position measurement unit, and more particularly a crimping apparatus for cylindrical batteries, the crimping apparatus including an upper body including a crimping pressing portion and a cam on which the upper body is disposed in plural in a circular shape, the cam being configured to rotate together with the upper bodies, wherein the crimping apparatus includes a position measurement sensor configured to measure the height of the crimping pressing portion.

BATTERY ASSEMBLING SYSTEM AND CONTROL METHOD THEREFOR, AND BATTERY PRODUCTION LINE

Resumen de: EP4607633A1

This disclosure proposes a battery assembly system, a control method, and a battery production line; and relates to the field of battery technologies. The battery assembly system can reduce the risk of congestion during the return process of trays and facilitate the miniaturization of the battery assembly system. The battery assembly system includes a stacking platform, an assembly apparatus, an assembly circulation line, and a return apparatus. The stacking platform is configured to store trays and battery modules located within the trays; one end of the assembly apparatus is connected to one end of the stacking platform via the assembly circulation line; the assembly apparatus is configured to perform assembly process for to-be-assembled battery modules; the assembly circulation line is configured to transport trays carrying the to-be-assembled battery modules to the assembly apparatus; another end of the assembly apparatus is connected to another end of the stacking platform via the return apparatus; and the return apparatus is configured to transport trays carrying assembled battery modules to the stacking platform.

ELECTRICAL ENERGY STORE

Resumen de: EP4607669A1

Die Erfindung betrifft eine Vorrichtung zum Speichern von elektrischer Energie, bei der eine Anzahl von Batteriezellen (6) modulartig in Batteriemodulen (2) gehalten und elektrisch miteinander verschaltet angeordnet sind, wobei mindestens zwei derartige Batteriemodule (2) in einer stapelartigen Anordnung einander zugeordnet und elektrisch miteinander verschaltet angeordnet sind, bei der die Vorrichtung aus mindestens einer Makrozelle (1) oder einer Anzahl von parallel und/oder in Reihe geschalteten Makrozellen (1) gebildet ist, wobei jede Makrozelle (1) aus in Reihe geschalteten Subeinheiten (2) besteht und die Subeinheiten (2) eine Anzahl von Batteriezellen (6) enthalten, die wiederum in Reihe geschaltet sind, und die Subeinheiten (2) hintereinander in einem sich vorzugsweise längs erstreckenden Trägergehäuse (21), vorzugsweise einem Rohr oder dgl., verschiebbar angeordnet sind.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Resumen de: EP4607672A1

A battery module according to an embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack and is opened on one surface and the other surface facing each other; and end plates that cover each of the one surface and the other surface of the module frame. The module frame includes a first joint surface formed on sides constituting the one surface and the other surface respectively, and the end plate includes a second joint surface joined to the first joint surface. A first rib is formed in any one of the end plate and the module frame, with the first rib protruding while being located inner than the portion where the first joint surface and the second joint surface are joined, and a second rib is formed on one surface of the first rib along the protruding direction of the first rib. A recessed part is formed in the other one of the end plate and the module frame, with the recessed part having a recessed shape so as to correspond to the first rib and the second rib.

POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, SODIUM ION BATTERY, MANUFACTURING METHOD THEREFOR, AND USE THEREOF

Resumen de: EP4607615A1

The present invention discloses a positive-electrode material, a positive-electrode plate, a sodium-ion battery, manufacturing methods therefor, and uses thereof. The positive-electrode material of the present invention presents an O3 phase and has a chemical formula of NanMn1-x-y-zMxZnyLizO2; where M is at least one of Cu<2+>, Ni<2+>, Cr<2+>, Fe<3+>, and Co<2+>; where, 0.5 ≤ x ≤ 0.6, 0.05 ≤ y ≤ 0.1, 0.005 ≤ z ≤ 0.05, 0.9 ≤ n ≤ 1.1, and x, y, z, and n meet a principle of electroneutrality numerically; and in the NanMn1-x-y-zMxZnyLizO2, all the element Zn is located at a site Wyckoff 3b in a form of Zn<2+>, and all the element Li is located at a site Wyckoff 4c in a form of Li<+>. Mn serves as a basic framework of a core material of the positive-electrode material. An active element M is doped at the side of Mn to provide capacity, and at the same time Li and Zn are distributed in lattices orderly. Moreover, the synergistic doping and coupling effects of non-active elements Li and Zn facilitate the oxidation/reduction reaction of the active element M and inhibit the unfavorable phase transformations during charging and discharging processes, thereby improving the capacity and cyclic stability of the positive-electrode material.

DOPED POLYANION MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4607622A1

The present invention discloses a doped polyanion material, a preparation method therefor, and use thereof. The doped polyanion material of the present invention has a chemical formula of Na4+xMxFe3-x(PO4)2P2O7, where M is a monovalent cation and is doped at a Fe position, and 0.03 ≤ x ≤ 0.3.In the doped polyanion material of the present invention, a bivalent element Fe is partially substituted by the monovalent cation M, which not only can reduce a band gap to increase the electronic conductivity of the polyanion material and improve the electrochemical activity of the polyanion material, thus enhancing the specific capacity and rate capability of the polyanion material; but also can effectively increase the Na content in the interstitial site of the polyanion material such that the Na content in Na4+xMxFe3-x(PO4)2P2O7 is greater than 4 to obviously accelerate the diffusion of Na ions, thereby significantly improving the rate capability of the polyanion material; and the lattice distortion of the polyanion material during sodium removal can be further inhibited to enhance the cyclic stability of the polyanion material.

DOPED MANGANESE-BASED PRUSSIAN WHITE POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4607621A1

Disclosed in the present invention are a doped manganese-based Prussian white positive-electrode material, a preparation method therefor, and use thereof. The doped manganese-based Prussian white positive-electrode material of the present invention has a chemical formula of Nan-dAdMn1-xMxFe(CN)6y•zH2O, where A is one or more of Li<+>, K<+>, Rb<+>, Cs<+>, NH4<+>, Cu<+>, or Ag<+>; M is one or more of Ni<2+>, Fe<2+>, Co<2+>, Zn<2>, or Cu<2+>; and 1.7 ≤ n ≤ 2, 0.02 ≤ d ≤ 0.2, 0.2 ≤ x ≤ 0.4, 0.9 ≤ y < 1, and 0 < z < 0.8. In the doped manganese-based Prussian white positive-electrode material of the present invention, positions Mn and Na are co-doped. Two doping ions of M and A are mutually synergistic to not only effectively inhibit the Jahn-Teller effect of Mn<3+>, but also to substantially reduce the content of crystal water in the positive-electrode material. Meanwhile, such a configuration further achieves the effects of reducing lattice defects, enhancing lattice stability and transport dynamics of Na ions such that the doped manganese-based Prussian white positive-electrode material has high capacity, good rate capability, and excellent cyclic stability.

Process for the preparation of silicon-containing composite particles

Resumen de: GB2638575A

The invention relates to a process for preparing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles in a pressure reactor; (b) contacting the plurality of porous particles with a silicon precursor gas at conditions effective to cause deposition of silicon in the pores of the porous particles to provide composite particles comprising a porous particle framework and elemental silicon within the pores of the porous particle framework.

NEGATIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC APPARATUS

Resumen de: EP4607605A1

An electric apparatus, and relate to the field of batteries. The negative electrode plate includes a negative electrode current collector and a negative electrode active material layer disposed on at least one side surface of the negative electrode current collector, where the negative electrode active material layer includes a silicon-carbon composite material and a lanthanide compound.

BATTERY CELL, MANUFACTURING METHOD THEREOF AND BATTERY MODULE

Resumen de: EP4607661A1

The present disclosure provides a battery cell including: a cell case including a side wall having an accommodation space and an upper plate having a through-hole; an electrode terminal coupled to the through-hole and having a coupling hole; an electrode assembly disposed in the accommodation space; and a first current collector electrically connecting the electrode terminal and the electrode assembly, where the first current collector includes a connection terminal having a protrusion inserted into the coupling hole, a welding space is formed between an upper end of a side surface of the protrusion and an inner surface of the coupling hole, and a welding area is formed in the welding space by welding performed on an outer side of the cell case in a state in which the protrusion is inserted into the coupling hole.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Resumen de: EP4607678A1

The present disclosure includes a battery module and a battery pack including the same, and the battery module according to one embodiment of the present disclosure comprises: a battery cell stack in which a plurality of battery cells are stacked; a module frame which comprises a lower frame on which the battery cell stack is mounted, and an upper cover that is coupled with the lower frame while covering the upper part of the battery cell stack; end plates which cover the front and rear surfaces of the battery cell stack; a heat insulating member which is located while covering the upper part and both side surface parts of the module frame, and located while covering the end plate; and a cover member which is located on the heat insulating member, located while covering a partial region of the upper part, both side surface parts and the lower part of the module frame, and located while covering the end plate.

EXPLOSION PREVENTION VALVE, COVER PLATE ASSEMBLY, BATTERY CORE, BATTERY PACK, AND ELECTRICAL SYSTEM

Resumen de: EP4607069A1

An explosion prevention valve, a cover plate assembly, a battery core, a battery pack, and an electrical system are provided. The explosion prevention valve includes a main body (1), an explosion prevention piece (2), and a temperature-sensitive film (3). The main body is provided with a pressure relief hole (11) extending through a thickness direction thereof. The explosion prevention piece and the temperature-sensitive film are connected to the main body, and are arranged to cover the pressure relief hole. The temperature-sensitive film is made of plastic, and has a critical breaking pressure value which is inversely proportional to a temperature of the explosion prevention valve. A thickness of the temperature-sensitive film is A, and may be 0.05 mm ≤ A ≤ 0.5 mm. In technical solutions of the present disclosure, the temperature-sensitive film is arranged in the explosion prevention valve, and a dimension of the temperature-sensitive film is defined. Within the defined dimension, when the battery core is in a normal operating condition, the temperature-sensitive film and the explosion prevention piece can jointly cover the pressure relief hole of the main body, to increase an opening pressure of the pressure relief hole, so as to reduce a risk of accidentally opening the pressure relief hole, and when the battery core is out of control, a high temperature generated after the battery core is out of control quickly softens the temperature-sensitive film, to reduce the ope

SMARTCELL CLUSTER AND BATTERY PACKAGING FOR LOW ELECTROMAGNETIC FIELD EFFECT

Resumen de: EP4606629A1

Various technologies and embodiments are presented to minimize/mitigate electromagnetic field (EMF) effects and electromagnetic interference (EMI) effects generated in a battery module/battery pack when the battery module/battery pack is utilized with alternating current (AC) operation. Respective electrical flowpaths are created throughout a battery module such that EMF/EMI generated in a first portion of a flowpath negates EMF/EMI generated in an adjacent second portion of a flowpath. The battery module operates as a smartcell, wherein battery module comprises a pair of clusterboards located between a first cluster of battery cells and a second cluster of battery cells, wherein the central positioning of the pair of clusterboards functions to isolate the first cluster of battery cells from the second cluster of battery cells.

ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4607611A1

An anode active material according to embodiments of the present disclosure includes a silicon-based active material including core particles and a carbon coating which covers a surface of the core particles. An onset temperature of the silicon-based active material measured through a thermogravimetric analysis method is greater than 350°C and less than 390°C, and a ratio of a change value of a weight loss rate to a change value of a temperature of the silicon-based active material measured through a differential thermogravimetric analysis method is 0.000050 to 0.000150.

RECHARGEABLE BATTERY

Resumen de: EP4607637A2

A rechargeable battery of the present disclosure includes an electrode assembly comprising a plurality of electrodes stacked together and having a separator disposed between respective ones of the plurality of electrodes, and an adhesive member disposed at at least two of corner parts of the electrode assembly and attached to cover an upper surface, side surface, and lower surface of the electrode assembly.

PREVENTION OF AIR TRAP FORMATION DURING BIPOLAR STACK BATTERY FABRICATION

Resumen de: EP4607625A1

A bipolar stacked battery that prevents air from becoming trapped during formation of the bipolar stacked battery has a plurality of stacked battery cells. An electrically and ionically insulating frame is formed between each of the plurality of stacked battery cells.

ELECTRODE ASSEMBLY TAPING DEVICE AND METHOD OF RECHARGEABLE BATTERY

Resumen de: EP4607636A1

An electrode assembly taping device of a rechargeable battery comprises: a cell seating jig; a bending jig that is separately disposed at both sides of the cell seating jig to adsorb a cut tape and relatively raise and lower the cell seating jig in a height direction; a gripper that introduces a wound or stacked electrode assembly to seat the electrode assembly on the cell seating jig; and an attachment roller that attaches the tape to the electrode assembly together with a relative raising and lowering operation of the cell seating jig and the bending jig and an operation of the gripper. The cell seating jig comprises a non-contact portion that is in non-contact with an outer line of the tape.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: KR20250128006A

본 발명의 일 실시예에 따른 전지 모듈은, 복수의 제1 전지셀들이 각각 적층된 제1a 전지셀 적층체 및 제1b 전지셀 적층체를 포함하는 제1 전지셀 어셈블리; 복수의 제2 전지셀들이 각각 적층된 제2a 전지셀 적층체 및 제2b 전지셀 적층체를 포함하는 제2 전지셀 어셈블리; 상기 제1 전지셀 어셈블리 및 상기 제2 전지셀 어셈블리를 수용하는 모듈 프레임; 및 상기 모듈 프레임의 내부로 냉매를 순환시키기 위한 인렛과 아웃렛을 포함하고, 상기 냉매가 상기 인렛을 통해 상기 모듈 프레임 내부로 유입되고, 상기 아웃렛을 통해 배출되고, 상기 모듈 프레임은 상기 제1 전지셀 어셈블리와 상기 제2 전지셀 어셈블리 사이에 위치하는 파티션 플레이트를 포함한다.

BATTERY MODULE

Resumen de: KR20250128097A

본 발명의 실시예에 따른 배터리 모듈은, 제1 방향으로 배터리 셀이 배열되는 제1 셀 그룹과, 제1 셀 그룹으로부터 제1 방향으로 이격되어 제1 방향으로 배터리 셀이 배열되는 제2 셀 그룹 및 제1 셀 그룹과 제2 셀 그룹의 사이에 배치되어 제1 셀 그룹과 제2 셀 그룹을 지지하는 지지부재를 포함할 수 있다.

실리콘-카본 음극 재료 및 이의 제조 방법, 음극 플레이트, 및 전기화학 장치

Resumen de: WO2024160115A1

The present disclosure relates to the technical field of negative electrode materials for batteries, and in particular relates to a silicon-carbon negative electrode material and a preparation method therefor, a negative electrode sheet, and an electrochemical device. The silicon-carbon negative electrode material comprises carbon and modified particles dispersed in the carbon, wherein the modified particles comprise silicon carbide and silicon, the silicon being at least partially connected to the carbon by means of the silicon carbide, and the mass ratio of the silicon carbide to the silicon being 1:1-50.

충전식 배터리용 캐소드 재료의 전구체용 수산화물의 제조 방법

Resumen de: WO2024141338A1

The invention is in general related to hydroxides for precursors of cathode materials for rechargeable batteries. Particularly, the invention is related to methods for manufacturing aqueous slurry/slurries comprising hydroxide(s) of at least one metal element such as Ni, Co, and/or Mn. The aqueous slurry/slurries may subsequently be used in various applications, especially for making precursors for lithium transition metal oxides for rechargeable batteries.

RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY THEREOF

Resumen de: US2025266508A1

An electrode assembly includes a first electrode, a first separator on the first electrode, a second electrode on the first separator, the second electrode including an outer uncoated portion, a second separator on the second electrode, the first electrode, the first separator, the second electrode, and the second separator being wound into a jelly roll shape, and the outer uncoated portion of the second electrode being at an outermost turn of the jelly roll shape, and a swelling tape attached to at least one of opposite surfaces of the outer uncoated portion of the second electrode, the swelling tape including swelling particles.

BATTERY ASSEMBLY AND BATTERY PACK INCLUDING THE SAME

Nº publicación: KR20250128237A 27/08/2025

Solicitante:

주식회사엘지에너지솔루션