Alerta

BATTERY CELL, AND BATTERY PACK AND VEHICLE COMPRISING SAME

Resumen de: MX2025012625A

The present invention provides a battery cell, and a battery pack and a vehicle comprising same. The battery cell comprises: a battery can comprising a bottom member and a sidewall member connected to the bottom member and extending in an axial direction, the battery can having an opening formed at one end thereof; an electrode assembly which is accommodated in the battery can through the opening of the battery can; a cap for covering the opening of the battery can; a gasket interposed between the battery can and the cap; and a current collector plate which comprises an electrode connection part, having at least a portion electrically connected to one end of the electrode assembly, and a can connection part, extending radially outward from the electrode connection part toward the sidewall member of the battery can, wherein at least a portion of the end of the edge region of the can connection part has a chamfered shape.

METHOD FOR OBTAINING CATHODE ACTIVE MATERIALS FROM BLACK MASS OF BATTERIES AND APPARATUS FOR OBTAINING CATHODE ACTIVE MATERIALS TO BE USED IN SUCH METHOD

Resumen de: MX2025012521A

A method (10) for obtaining cathode active materials (CAM) from black mass (11), which consists in: - subjecting the black mass (11) to a leaching operation (L), by using a leaching agent (12), thus obtaining a leaching liquor (13), - subjecting the leaching liquor (13) to a step of mixing (Mi) with supercritical water (16), generating nanoparticle precipitation, thus obtaining a nanoparticle solution (17) of metal oxides, - subjecting the nanoparticle solution (17) to a step of mixing (M2) with a stream (18) of additives and/or cold water to obtain a stoichiometrically correct and/or chemically stable nanoparticle solution (19), - cooling (R) the stoichiometrically balanced and/or chemically stable nanoparticle solution (19), thus obtaining the cathode active materials (CAM) and/or precursors of cathode active materials (PCAM).

BATTERY CELL AND METHOD FOR MANUFACTURING BATTERY CELL

Resumen de: MX2025012549A

The present invention provides a welding structure of a battery can, a current collector plate, and a cap, a welding method, and a battery cell having same applied thereto. The battery cell comprises a can; and an electrode assembly accommodated in the can. The can comprises: a bottom member; a side wall member connected to the bottom member so as to extend in an axial direction; and a cap configured to cover an open end portion provided at one axial end portion of the side wall member. A can connecting portion is provided at an edge of the current collecting plate which is electrically connected to an electrode of the electrode assembly, and is electrically connected to the can so as to abut same. The edge of the cap is welded and fixed. The welding comprises: multiple first welding portions formed to be spaced apart from each other in the circumferential direction such that the open end-side edge of the side wall member, the edge of the cap, and the can connection part are welded thereto together; and a second welding portion disposed between the first welding portion such that at least the open end-side edge of the side wall member and the edge of the cap are welded thereto. The first welding portions and the second welding portion are formed continuously while being disposed alternately along the circumferential direction.

METHOD FOR REGENERATING CATHODE ACTIVE MATERIAL, AND REGENERATED CATHODE ACTIVE MATERIAL PREPARED THEREBY

Resumen de: MX2025012465A

The present invention relates to a method for regenerating a cathode active material, and a regenerated cathode active material prepared thereby. The method comprises the steps of: a) heat-treating, at 300-650 °C, a waste cathode, which has a cathode active material layer formed on a current collector, so as to thermally decompose a binder and a conductive material in the cathode active material layer, thereby separating the current collector from the cathode active material layer and recovering a cathode active material in the cathode active material layer; b) heat-treating the recovered cathode active material again at 350-700 °C for 1-10 hours; c) adding a lithium precursor to the reheated cathode active material and annealing same at 500-1,000 °C; d) washing the annealed cathode active material with a washing solution; and e) surface-coating the washed cathode active material with a coating agent.

LITHIUM SECONDARY BATTERY

Resumen de: MX2025012449A

The present invention relates to a lithium secondary battery with improved output characteristics and low-temperature characteristics. The lithium secondary battery comprises a cathode, an anode, and an electrolyte containing a lithium salt and a non-aqueous organic solvent. The cathode comprises: a cathode current collector; and an active material layer formed on the cathode current collector and containing a cathode active material, a conductive material, and an oxide-based solid electrolyte having a lithium ion source. The cathode active material and the oxide-based solid electrolyte are dispersed in the form of particles within the active material layer, and the average particle diameter (D50) of the particles satisfies a predetermined ratio.

BATTERY CELL AND BATTERY PACK AND VEHICLE INCLUDING BATTERY CELL

Resumen de: MX2025012367A

A battery cell according to one embodiment of the present invention includes: an electrode assembly including a first electrode having a first non-coating portion, a second electrode having a second non-coating portion, and a separator interposed therebetween; a battery housing configured to accommodate the electrode assembly through an opening provided on one side thereof; and a first current collector provided on the side of the opening and configured to electrically connect the first non-coating portion and the battery housing, wherein at least a portion of the first current collector may be configured to be separated from the battery housing when the internal pressure increases to a reference value or more.

ALL-SOLID-STATE BATTERY, NEGATIVE ELECTRODE ASSEMBLY, AND METHOD FOR MANUFACTURING SAME

Resumen de: MX2025011668A

The present invention relates to an all-solid-state battery comprising a positive electrode, a solid electrolyte layer, a coating layer, and a negative electrode current collector, wherein the coating layer comprises amorphous carbon, the amorphous carbon comprises nitrogen-containing amorphous carbon, and the nitrogen content (atomic %) contained in the coating layer is in the range of 0.5% to 7%. The all-solid-state battery according to the present invention may have an excellent capacity retention rate according to cycles during high-rate charging and discharging.

ÉLECTROLYTE TERNAIRE

Resumen de: CH721727A2

L'invention concerne un électrolyte ternaire comprenant entre 30 et 60 % en poids d'un premier oxyde de polyéthylène (PEO) et/ou d'un deuxième PEO et optionnellement du polyfluorure de vinylidène (PVDF), par rapport au poids total de l'électrolyte ternaire, m el1 , avec le PVDF présent au moins lorsque l'électrolyte ternaire ne comprend pas le premier PEO, ledit premier PEO ayant un premier poids moléculaire M w1 compris entre 0,75 * 10 6 et 10 * 10 6 g/mol, ledit deuxième PEO ayant un deuxième poids moléculaire M w2 compris entre 0,2 * 10 6 et 0,7 * 10 6 g/mol, et ledit PVDF ayant un troisième poids moléculaire M w3 compris entre 0,1 * 10 6 et 1 * 10 6 g/mol; entre 5 et 15 % en poids d'un sel d'un métal alcalin et entre 35 et 50 % en poids d'un liquide ionique, par rapport au m el1 ; et entre 2,5 et 10 % en poids d'une charge inorganique par rapport au poids total des autres composants dans l'électrolyte ternaire, m el2 . L'invention concerne également un procédé de fabrication d'un tel électrolyte, ainsi qu'une batterie Li-ion, Na-ion ou Li-métal polymère.

Cellule en sachet de batterie électrique et procédé de fabrication correspondant.

Resumen de: FR3161806A1

La présente divulgation concerne une cellule en sachet (100) pour un module de batterie électrique (1000), formée d’un sachet refermable (101) comprenant au moins une bande d’électrodes (150, 152, 154) dont les électrodes sont aptes, en fonctionnement, à faire réagir électro-chimiquement un électrolyte, la réaction électrochimique de l’électrolyte déclenchant la génération d’un gaz, le sachet refermable (101) comprenant une pluralité de logements (110, 120) alignés, chacun desdits logements (110, 120) étant formé dans une surface interne du sachet refermable (101) et étant apte à accueillir le gaz généré.

LIQUID DETECTION SENSOR

Resumen de: JP2025106416A

To provide a liquid detection sensor having versatility, capable of preventing deterioration in a metal-air battery as a power source even when installed for a long period of time, and capable of allowing the metal-air battery as the power source to exhibit excellent power generation performance.SOLUTION: A liquid detection sensor includes a metal-air battery having a positive electrode, a negative electrode, and electrolyte components located between the positive electrode and the negative electrode. The electrolyte components are enclosed inside a resin bag body, and a resin of the resin bag body has solubility or dispersibility in a liquid to be detected.SELECTED DRAWING: Figure 1

제조 장치 및 양극 활물질의 제작 방법

Resumen de: WO2024176061A1

An aspect of the present invention provides a low-production-cost method for producing a positive electrode active material. Also provided is a very safe secondary battery. A powder starting material is introduced into a container (also referred to as a capsule or pod); this is placed in a furnace core tube; and heating is carried out while rotating the furnace core tube. Sticking to the inner walls of the container is prevented and the uniformity is improved when the starting material is stirred not only during heating (temperature increase, temperature maintenance), but also during cooling (temperature reduction). There is no limitation to the placement of one container in a single furnace core tube, and a plurality of containers may also be placed in a single furnace core tube, a large amount of starting material may be divided into a plurality of containers, and heat treatment may be performed using a rotary kiln apparatus.

Lithium bisfluorosulfonylimide and its carbonate solution with reduced content of fluorosulfonyl compound

Resumen de: KR20250155817A

본 발명은 플루오로설포닐 이소시아네이트 및/또는 카보닐 비스(설파모일플루오라이드)의 함량이 저감된 리튬 비스(플루오로설포닐)이미드 및 이의 카보네이트 용액 및 이를 포함하는 전해액 및 이의 제조방법에 관한 것이다.

Method for Recovering Ammonium Fluorosulfate from By-product in Producing Bisfluorosulfonylimide

Resumen de: KR20250155946A

본 발명은 비스(플루오로설포닐)이미드의 제조 부산물로부터 암모늄 플루오로설페이트의 회수 방법에 관한 것이다. 본 발명의 회수 방법에 따르면, 암모늄 플루오로설페이트를 포함하는 비스(플루오로설포닐)이미드의 제조 부산물로부터 암모늄 플루오로설페이트를 높은 회수율로 선택적으로 회수할 수 있다.

NEGATIVE ELECTRODE FOR ALL SOILID-STATE BATTERY AND ALL SOLID-STATE BATTERY INCLUDING SAME

Resumen de: WO2025225798A1

The present invention relates to a negative electrode for an all solid-state battery and an all solid-state battery including same, wherein the negative electrode for an all solid-state battery comprises a negative electrode coating layer that comprises a mixture of metal particles and a carbon-based material and that has a first peak appearing at a binding energy of 160eV-162eV and a second peak appearing at a binding energy of 163eV-165eV, in the S2p spectrum, when measured using X-ray photoelectron spectroscopy (XPS), the ratio of the second peak to the first peak being 3-12.

Lithium bisfluorosulfonylimide comprising carbonate

Resumen de: KR20250155816A

본 발명은 카보네이트 용제를 0.01 내지 5중량% 포함하는 리튬 비스(플루오로설포닐)이미드(LiFSI) 및 그의 제조 방법에 관한 것이다.

Positive electrode active material for rechargeable lithium battery positive electrode including the same and rechargeable lithium battery including the same

Resumen de: EP4641675A2

A positive electrode active material comprises first particles having an olivine structure, second particles having a spinel structure, third particles having a layered structure and fourth particles in a weight ratio of about 0.5 wt% to about 5 wt% based on a total weight of the positive electrode active material. Also disclosed are positive electrodes including the positive active electrode material, and recharageable lithum batteries including the positive electrode material.

Energy Saving Apparatus

Resumen de: KR20250155791A

본 개시는 복수 개의 배터리 셀; 상기 복수 개의 배터리 셀을 수납하는 랙;상기 랙의 외측에 구비되어 유체를 저장하는 저장탱크; 상기 랙에 배치되어 상기 복수 개의 배터리 셀을 지지하며, 내부에 제1 공간 및 제2 공간을 포함하는 플레이트부; 상기 플레이트부 및 상기 저장탱크와 연결되며 상기 제1 공간을 통해 상기 유체를 순환시키는 제1 유로; 및 상기 플레이트부 및 상기 저장탱크와 연결되며 상기 제2 공간에 유체를 공급하는 제2 유로를 포함할 수 있다.

Mitigating thermal runaway propagation in lithium-ion battery packs

Resumen de: NZ798856A

A lithium-ion battery assembly includes a plurality of battery cells in a spaced-apart and generally parallel arrangement, each cell of the battery cells extending along a central axis and having a first end portion with a negative terminal and a second end portion with a positive terminal· The assembly includes a first capture plate and a second capture plate, where at least the first capture plate defines capture plate openings corresponding to the plurality of battery cells, the first capture plate spaced from and oriented generally parallel to the second capture plate. Each of the plurality of battery cells extends between the first and second capture plates and is coaxially arranged with one of the capture plate openings in the first capture plate. The assembly optionally includes a body between the capture plates, the body defining a void for each battery cell.

전기화학 및 전기기술 부품용 냉각 장치

Resumen de: CN120380641A

The invention relates to a cooling device (2) for electrochemical and electrical components, comprising a component housing (4), the component housing (4) being equipped with an inlet (10) and an outlet (12), the component housing (10) comprising a main valve (40) and a control valve (42), wherein a main valve (40) is arranged in a first region of the component housing (4) downstream of the inlet (10) and is designed to control a supply of coolant into the component housing (4), and wherein a control valve (42) is arranged in a second region of the component housing (4) and is in fluid connection with the main valve (40), the open position of the main valve (40) is adjusted as a function of the coolant filling level in the component housing (4). The invention further relates to a cooling system and to a valve assembly.

용액 처리된 n형 전도성 폴리머를 포함하는 전극 슬러리 조성물.

Resumen de: TW202441820A

The present invention relates to an electrode for use in an energy storage device, said electrode comprising an electron collector, an active material and a conductive binder, wherein said conductive binder comprises solution-processed n-type conducting polymer having a conductivity of at least 100 S/cm.

COMPOSITE FOR LITHIUM ION METAL HYBRID BATTERY ANODE AND ITS MANUFACTURING METHOD

Resumen de: KR20250155694A

본 발명은 탄소 섬유; 및 상기 탄소 섬유 표면에 형성된 코발트 유래 물질을 포함하는, 리튬 이온 금속 하이브리드 배터리 음극용 복합체 및 이의 제조 방법에 관한 것이다. 본 발명에 따르면, 본 발명의 복합체는 리튬 친화적 특성이 향상되어 리튬 덴드라이트 성장을 억제시킴과 동시에 향상된 전기적 특성을 가질 수 있고, 본 발명의 제조 방법은 줄열 공정을 통해 보다 신속하고 간단하게 높은 성능을 나타내는 리튬 이온 금속 하이브리드 배터리 음극용 복합체를 제조할 수 있다.

ELECTRODE ASSEMBLY FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY

Resumen de: US2025337130A1

An electrode assembly and a rechargeable lithium battery including the same are disclosed. The electrode assembly can prevent generation of cracks between a current collector region provided with a tab and a current collector region without a tab, thereby improving reliability and lifespan. To this end, the electrode assembly has a structure in which a side surface of the tab is secured to the current collector by a thermoplastic resin.

Battery cell assemblies battery pack and vehicle having the same

Resumen de: WO2025225989A1

A battery cell assembly relating to one embodiment of the present invention may comprise: a plurality of battery cells; a housing including an accommodation part in which the plurality of battery cells is accommodated; and at least one fixing member which is provided to cover at least a partial area of the outer surface of each of the plurality of battery cells so as to fix the battery cell to the inside of the accommodation part, and which has a battery cell exposure hole to allow a part of the battery cell to be exposed to the outside.

전기화학 또는 전기기술 부품용 냉각 장치

Resumen de: CN120359651A

The invention relates to a cooling device (1) for electrochemical and electrical components, comprising a component housing (4) having a housing body (6) and a cover (8), the component housing (4) being equipped with an inlet (10) and an outlet (12), an inner space (4) for receiving a coolant being provided in the component housing (4), the cover (6) comprising a first cover element (16) having an inner side (18) and an outer side (20), wherein the first cover element (16) has a semi-permeable element (22), and wherein the cover (6) comprises a second cover element (24) having an inner side (26) and an outer side (28), and wherein a gap (30) is formed between the outer side (20) of the first cover element (24) and the inner side (26) of the second cover element (24), which gap is fluidically connected to the outlet (12). The invention further relates to a cooling system.

Method for Preparing Lithium Fluorosulfate from By-product in Producing Bisfluorosulfonylimide

Nº publicación: KR20250155947A 31/10/2025

Solicitante:

주식회사천보주식회사천보비엘에스주식회사천보신소재