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Negative electrode for lithium metal battery and lithium metal battery including the same

Resumen de: WO2025225782A1

The present invention relates to a negative electrode for a lithium metal battery and a lithium metal battery comprising same, the negative electrode, more specifically, comprising: a negative electrode current collector comprising titanium or an alloy thereof; an oxide layer on the negative electrode current collector, the oxide layer comprising crystalline titanium oxide; and a polymer coating layer on the oxide layer. The polymer coating layer comprises a polymer having a trifluoromethanesulfonylimide (TFSI) functional group.

Apparatus for Unwinding Electrode Sheet

Resumen de: KR20250154634A

본 발명은 전극롤이 장착되는 권출부; 상기 권출부가 복수개 결합된 지지부; 상기 전극롤들 중에서 권출이 진행되고 있는 권출롤의 제1전극시트와 상기 전극롤들 중에서 권출을 대기하고 있는 대기롤의 제2전극시트를 이어 붙이는 접합공정을 수행하기 위한 접합부; 및 상기 대기롤의 제2전극시트에 상기 제1전극시트와 상기 제2전극시트의 접합공정을 위한 접합테이프를 부착하는 부착부를 포함하는 전극시트 권출장치에 관한 것이다.

Electrolyte Solution Additive Electrolyte Solution For Battery And Secondary Battery Comprising The Same

Resumen de: KR20250154939A

본 발명은 전해액 첨가제, 이를 포함하는 전해액 및 이차전지에 관한 것으로, 본 발명에 따르면 NMX 전지, LMR 전지, LMX 전지, OLO 전지, LCO 전지, 또는 DRX 전지를 비롯한 다양한 리튬이차전지 양·음극에 안정한 피막을 형성하여 전지 내부의 부반응을 억제하고 충방전 저항이 낮아 충전 효율 및 출력이 향상될 수 있고, 고온 조건에서 장시간 보관하더라도 전지의 저항 증가가 억제될 수 있으며, 전해액 성분의 분해에 의한 가스 발생 또한 현저하게 억제되어 장기 수명 및 고온 용량 유지율이 우수하며, 전지 양극의 불안정성에 의한 부반응 산물 중 불산을 효과적으로 스캐빈징(scavenging)하여 전해액의 산도 증가 및 양극의 전이금속이온 용출을 억제하여 전지 특성 및 수명이 탁월한 이차전지를 제공하는 효과가 있다.

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

Resumen de: US2025329732A1

Examples include a positive electrode active material, a preparation method of the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material. An example positive electrode active material includes a first particle which has an olivine structure and a crystal structure that belongs to a Pbnm space group, wherein an X-ray diffraction (XRD) spectrum of the first particle obtained using Cu-Kα radiation exhibits a first peak corresponding to a (200) plane of the first particle and a second peak corresponding to a (020) plane of the first particle, a full width at half maximum (FWHM) of the first peak is in a range of at least about 0.14°, and a ratio of an intensity of the first peak to an intensity of the second peak is in a range of at least about 0.55°.

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

Resumen de: KR20250154848A

본 발명은 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지에 관한 것으로, 보다 상세하게는, 상술한 화학식 1의 화합물을 포함하고, 제1 평균 입경을 갖는 제1 입자를 포함한다. 상기 제1 입자는 라만 분광 측정에 의하여 얻어진 라만　스펙트럼 중 1590±10cm-1의 파수에 존재하는 G 피크의 세기(IG)에 대한 1340±10cm-1의 파수에 존재하는 D 피크의 세기(ID)의 비율(ID/IG)이 0.9 내지 1.3 이다.

Battery Cell And The Manufacturing Method Of The Same

Resumen de: US2025329830A1

The present disclosure relates to a battery cell comprising: an electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode; a case having a first opening at one end and forming a space in which the electrode assembly is accommodated through the first opening; and a cap assembly coupled with the case to form the space together with the case and closing the first opening.

MÉTODO PARA LA RECUPERACIÓN DE METALES VALIOSOS

Resumen de: TW202526043A

A method for recovery of valuable metals according to the present disclosure comprises the steps of: (S1) leaching a sulfate solution from waste battery material; (S2) adding a phosphorus compound to the sulfate solution to precipitate aluminum phosphate; and (S3) isolating the aluminum phosphate from the sulfate solution through solid-liquid separation, wherein the sulfate solution contains metal sulfate at a concentration of 90 g/L or higher.

Waste lithium ion battery sorting and recovery device and recovery method

Resumen de: KR20250154653A

본 발명은 폐 리튬 이온전지 선별 회수장치를 개시한다. 본 발명에 따른 폐 리튬 이온전지 선별 회수장치는, 방전된 배터리셀을 공급받아 파쇄하여 1차 처리물을 생성하는 파쇄기; 상기 파쇄기에 연결되어 1차 처리물을 공급받아 입자 크기에 따라 분리시키는 것으로, 매쉬망 구조의 진동스크린을 통과시켜 2차 처리물을 선별 낙하시키고, 무게가 가벼운 분리막은 풍압으로 부상시켜 분리 배출시키는 분리막 제거기; 상기 분리막 제거기에 연결되어 2차 처리물을 공급받아 전해액을 기화시켜 배출처리하고 전해액이 제거된 3차 처리물을 생성하는 저온소성기; 상기 저온소성기에 연결되어 3차 처리물을 공급받는 것으로 내부 온도가 350~450℃를 유지하면서 잔류 분리막과 바인더를 연소시켜 불순물을 제거한 4차 처리물을 생성하는 고온소성기; 상기 고온소성기에 연결되어 4차 처리물을 공급받아 1마이크론 크기의 파우더로 분쇄하여 분쇄물을 생성하는 분쇄기; 상기 분쇄기에 연결되어 비산되는 부유물질을 백필터로 포집하는 싸이클론 백필터 및 상기 분쇄물을 공급받아 진동선별을 통해 블랙매스를 분리하는 진동선별기로 구성된다. 이와 같이 구성되는 본 발명은 폐 리튬 이온전지로부터 양극 활물질 금속을 비롯한 블랙매스를

Secondary battery and manufacturing methode thereof

Resumen de: US2025329906A1

Embodiments relate to a secondary battery, in which a concave area is provided in a case, and a negative pressure is maintained to secure a space, into which an electrolyte is injected, and reduce deformation due to an internal pressure, and which has a buffer structure against the falling, and a method for manufacturing the same. The secondary battery includes an electrode assembly provided with a first electrode plate and a second electrode plate, a case which has an interior space therein and in which the electrode assembly is accommodated, and a cap plate configured to seal an opening of the case. The case has a concave area that is concave toward the interior space of the case in each of two long side surfaces facing each other, and the interior space sealed by the case and the cap plate is in a negative pressure state.

Proceso sin disolventes para la preparación de baterías de iones de litio

Resumen de: TW202447994A

A solvent-free process employs carbon nanotubes to prepare compositions and electrodes for lithium-ion batteries. The carbon nanotubes can be multifunctional, providing two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a fibrillizing agent and/or as a mechanical reinforcement. In one example, the carbon nanotubes are provided in combination with a carbon black. In another example, an electroactive material, a fibrillizable binder, e.g., PTFE, and carbon nanotubes are combined in one or more steps. High shear mixing is used to fibrillize the binder. The resulting composition can be formed into a film which can be applied onto a suitable substrate to form an electrode.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: EP4641795A2

The battery pack according to one embodiment of the present disclosure includes: a lower pack housing including a plurality of module regions; a thermally conductive resin layer located in the module region; a battery module mounted on the module region and located on the thermally conductive resin layer; and an upper pack housing for covering the battery module, wherein the battery module comprises a battery cell stack in which a plurality of battery cells are stacked, and the battery cell stack directly faces the thermally conductive resin layer, wherein the battery cell stack includes cooling fin located between battery cells adjacent to each other among the plurality of battery cells, and wherein the end portion of the cooling fin comes into contact with the thermally conductive resin layer.

POUCH-TYPE SECONDARY BATTERY AND BATTERY MODULE COMPRISING THE SAME

Resumen de: EP4641790A2

A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an accommodating portion configured to accommodate the electrode assembly therein, a sealing portion formed at an edge of the accommodating portion, and an indent portion formed of a cutting edge cut at a plurality of angles and a rounded edge cut to connect the cutting edges adjacent to each other in a portion of the sealing portion corresponding to a vertex of the accommodating portion.

SULFIDE-BASED SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4641734A1

The present disclosure relates to a sulfide-based solid electrolyte and an all-solid-state battery comprising same, and more particularly to a sulfide-based solid electrolyte comprising lithium (Li), phosphorus (P), sulfur (S), and chlorine (C), wherein a heterogeneous element is substituted at the phosphorus (P) site, and if at least two selected from the group consisting of Ge, Sn, Sb and Si are substituted in equal proportions, the ionic conductivity of the sulfide-based solid electrolyte can be improved.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

Resumen de: EP4641809A2

Provided is a separator for an electrochemical device. The separator includes a separator substrate made of a porous polymer material, wherein the separator substrate has a small thickness, excellent resistance characteristics and ion conductivity, and high mechanical strength. When the separator is applied to a battery, it is possible to improve the output characteristics of the battery.

BINDER FOR ALL-SOLID-STATE BATTERY, BINDER COMPOSITION, POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

Resumen de: EP4641703A1

The present disclosure relates to a binder for an all-solid-state battery comprising a main chain crosslinked by a compound comprising two or more thiol functional groups, wherein the main chain comprises an aromatic vinyl monomer-derived repeating unit and a conjugated diene-based monomer-derived repeating unit; a positive electrode for an all-solid-state battery comprising the binder for an all-solid-state battery, a conductive material, a positive electrode active material, and a solid electrolyte; and an all-solid-state battery comprising a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, wherein the positive electrode comprises the positive electrode for an all-solid-state battery.

DEVICE FOR MEASURING BACK ENGAGEMENT OF SLITTING KNIFE

Resumen de: EP4641130A1

This application provides a detection device for a knife clearance of a slitting knife. The device includes a support unit and a detection unit. A knife holder of the slitting knife is disposed on the support unit. The detection unit is connected to the support unit. The detection unit includes a charge-coupled device (CCD) sensor assembly. The CCD sensor assembly faces the slitting knife. The CCD sensor assembly is configured to detect the knife clearance of the slitting knife. Compared with the manual visual method for determining the knife clearance, using the CCD sensor assembly to detect the knife clearance of the slitting knife can improve the detection efficiency and the detection precision, thereby ensuring the product quality.

IMPROVED SEPARATORS, LEAD ACID BATTERIES, AND METHODS AND SYSTEMS ASSOCIATED THEREWITH

Resumen de: EP4641748A2

A separator is provided with a novel construction and/or a combination of improved properties. Batteries, methods, and systems associated therewith are also provided. In certain embodiments, novel or improved separators, battery separators, enhanced flooded battery separators, batteries, cells, and/or methods of manufacture and/or use of such separators, battery separators, enhanced flooded battery separators, cells, and/or batteries are provided. In addition, there is disclosed herein methods, systems, and battery separators having a reduced ER, improved puncture strength, improved separator CMD stiffness, improved oxidation resistance, reduced separator thickness, reduced basis weight, and any combination thereof. In accordance with at least certain embodiments, separators are provided in battery applications for flat-plate batteries, tubular batteries, vehicle SLI, and HEV ISS applications, deep cycle applications, golf car or golf cart, and e-rickshaw batteries, batteries operating in a partial state of charge ("PSOC"), inverter batteries; and storage batteries for renewable energy sources, and any combination thereof.

ALL-SOLID-STATE BATTERY

Resumen de: EP4641743A1

According to the present disclosure, provided is an all-solid-state battery, particularly an all-solid-state battery in which a lithium layer is formed during a charging process without forming a separate negative electrode active material layer on a negative electrode current collector during the manufacturing process of the battery, wherein energy density may be further maximized by not including amorphous carbon between the negative electrode current collector and a solid electrolyte layer, and the lithium dendrites may be prevented from growing through the gaps in the solid electrolyte layer as charging and discharging processes are repeated, even without including amorphous carbon, thereby solving the defects of generating short circuits or capacity reduction, and further, exhibiting excellent capacity retention according to the cycle.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4641747A1

An electrode assembly according to an embodiment of the present disclosure comprises: a first electrode; a second electrode; and a separator interposed between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound together to form a jelly roll structure. The first electrode includes a first electrode current collector and a first active material part formed by applying an electrode active material to one side or both sides of the first electrode current collector. The second electrode includes a second electrode current collector and a second active material part formed by applying an electrode active material to one side or both sides of the second electrode current collector. A first exposed part to which the electrode active material is not applied in the first electrode current collector extends in a first direction, and a second exposed part to which the electrode active material is not applied in the second electrode current collector extends in a second direction opposite to the first direction. The first exposed part and the second exposed part have a bending point for each winding turn. The length from the end of the first electrode current collector in the second direction to the bending point of the first exposed part gradually increases for each winding turn along the radial direction of the jelly roll structure. The radial direction is a direction directed from a core part to an outer part of the jell

METHOD FOR REGENERATING POSITIVE ELECTRODE ACTIVE MATERIAL AND REGENERATED POSITIVE ELECTRODE ACTIVE MATERIAL MANUFACTURED THEREBY

Resumen de: EP4641757A1

The present invention relates to a method of recycling a cathode active material and a recycled cathode active material prepared using the same. More particularly, the present inventio relates to a method of recycling a cathode active material, the method including step (a) of heat-treating a waste cathode containing a current collector and a cathode active material layer coated on the current collector in the air or under oxygen atmosphere to recover a cathode active material; step (b) of adding a lithium precursor to the recovered cathode active material and performing heat treatment in the air to recover the crystal structure of the cathode active material; step (c) of adding a dopant precursor to the cathode active material having the recovered crystal structure and performing doping by heat treatment; and step (d) of washing the doped cathode active material with a washing solution and a recycled cathode active material prepared using the same.According to the present invention, the present invention has an effect of providing a method of recycling a cathode active material having improved capacity characteristics and lifespan characteristics and excellent crack resistance by doping a recycled cathode active material with a predetermined dopant according to a predetermined method and a recycled cathode active material prepared using the same.

APPARATUS FOR INSPECTING BATTERY SLITTER

Resumen de: EP4641179A1

An apparatus for inspecting a slitter, according to an embodiment of the present invention, inspects the assembly state of a slitter that is applied to a slitting process of a battery, and may comprise: an imaging device for capturing an image of installation shapes of an upper knife and a lower knife included in an upper-knife unit and a lower-knife unit and cutting an electrode through a rotational motion; and a control unit for deriving at least one inspection parameter from the captured image of the installation shapes of the upper knife and the lower knife, and determining the assembly state of the slitter according to the derived inspection parameter.

WELDING STRUCTURE OF BATTERY CAN, CURRENT COLLECTING PLATE AND CAP, AND BATTERY CELL USING SAME

Resumen de: EP4641817A1

The present disclosure provides a welding structure of a battery can, a current collector plate and a cap, a battery cell utilizing the same, and a manufacturing method thereof. The current collector plate of the battery cell includes a body portion connected to an electrode tab of the electrode assembly, a can connection portion that is disposed radially further outward than the body portion and is connected to at least one of the side wall member and the cap, and a bridge whose radial inner side is connected to the body portion and whose radial outer side is connected to the can connection portion, and which extends radially. The bridge includes a first bending portion bent so that an extension direction of the bridge portion extending radially outward is directed to an axial outer side, a second bending portion bent so that an extension direction of the bridge portion extending axially outward is directed to a radial outer side, and an offset bridge portion whose radial inner side is connected to the first bending portion and whose radial outer side is connected to the second bending portion. Accordingly, the impact of the welding heat of the can and the cap on the electrode assembly through the current collector plate may be minimized.

PRINTED CIRCUIT BOARD AND BATTERY SYSTEM USING SAME

Resumen de: EP4642172A1

Provided are a printed circuit board and a battery system using the same. The printed circuit board includes: a plurality of battery monitoring integrated circuit (BMIC) mounting circuits, each providing an electrical connection for its corresponding plurality of battery cells; and a connection module providing electrical connections among the first BMIC mounting circuit disposed at one outermost side of the plurality of BMIC mounting circuits, the second BMIC mounting circuit adjacent to the first BMIC mounting circuit, and a first connection terminal, wherein the first connection terminal is connected to a master battery management system (MBMS), the connection module provides the connection between the second BMIC mounting circuit and the first connection terminal when the BMIC is not electrically connected to the first BMIC mounting circuit, and the connection module provides the connections between the first connection terminal and the first BMIC mounting circuit and between the first BMIC mounting circuit and the second BMIC mounting circuit when the BMIC is electrically connected to the first BMIC mounting circuit.

ELECTRONIC DEVICE FOR OBTAINING POWER ON BASIS OF POWER RANGE OF EXTERNAL ELECTRONIC DEVICE, AND METHOD THEREFOR

Resumen de: EP4641874A2

An electronic device according to one embodiment may comprise a port, a battery, a charge circuit, a charge controller and a processor. The processor can be configured to: use the charge controller so as to communicate, on the basis of a first data signal received through the port, with an external electronic device connected to the port, thereby obtaining a power signal from the external electronic device; receive a second data signal from the external electronic device while the battery is charged by means of the charge circuit having received the power signal; and control the charge circuit on the basis of first power indicated by means of the first data signal and/or second power indicated by means of the second data signal and on the basis of power-limit-related parameters, which are included in the second data signal and indicate the external electronic device state.

SOLID ELECTROLYTE LAYER, ELECTROCHEMICAL CELL, ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE STORAGE DEVICE

Nº publicación: EP4641719A1 29/10/2025

Solicitante:

KYOCERA CORP [JP]
Kyocera Corporation

Resumen de: EP4641719A1

A solid electrolyte layer (6) includes a first surface (6a) and a second surface (6b) facing each other in a thickness direction, and has a plurality of electrolytic particles (61) containing an oxide. The plurality of electrolytic particles (61) includes at least one first particle (61a) and a second particle (61b). The at least one first particle (61a) is in contact with both the first surface (6a) and the second surface (6b). The second particle (61b) is in contact with either one of the first surface (6a) and the second surface (6b) and is in no contact with the other.