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1659
results.
Updated on
18/12/2025 [07:24:00]
Results 50 to 75 of 1659
Absstract of: EP4664492A1
There is provided a diphosphorus pentasulfide composition according to the present embodiment, in which a degree of crystallinity calculated from a spectrum obtained by X-ray diffraction using a CuKa ray as a ray source is equal to or more than 40% and equal to or less than 80%, in a DSC curve of the diphosphorus pentasulfide composition obtained by measurement using a differential scanning calorimeter under conditions of a start temperature of 25°C, a measurement temperature range of equal to or more than 30°C and equal to or less than 350°C, a temperature rising rate of 5°C/min, and an argon atmosphere of 100 ml/min, an endothermic peak is observed in a temperature range of equal to or more than 280°C and equal to or less than 300°C, and a heat of fusion of the endothermic peak is equal to or more than 60 J/g and equal to or less than 100 J/g.
Absstract of: EP4664549A1
Provided is a means capable of reducing resistance in an electrode for an all-solid-state battery including an active material layer containing an active material, a solid electrolyte, a fibrous conductive aid, and polytetrafluoroethylene and having sufficient dispersibility. Provided is a method for manufacturing an electrode for an all-solid-state battery including an active material layer containing an active material, a solid electrolyte, a fibrous conductive aid, and polytetrafluoroethylene, the method including: a first stirring step of placing the active material and the solid electrolyte in a first container and stirring them using a resonance acoustic mixer; and a second stirring step of placing a mixture obtained in the first stirring step and the fibrous conductive aid in a second container and stirring them using a resonance acoustic mixer, wherein the first stirring step and the second stirring step satisfy at least one of predetermined conditions (1) to (4).
Absstract of: EP4664624A1
In a manufacturing method of a battery of embodiments, a pair of terminals are attached to a lid, in which first and second edges along a first direction and third and fourth edges along a second direction intersecting the first direction form an outer periphery, while separating a second terminal from a first terminal to a side where the fourth edge is located. In the manufacturing method, a proximity portion closer to the first terminal than the third edge on the first edge is formed, and an outer periphery of the lid is welded to the outer container by performing laser welding a plurality of times. At least the proximity portion is welded by first laser welding, and one or more of start points and one or more of end points of the plurality of processes of laser welding are located in a range between the terminals.
Absstract of: EP4664131A1
An object of the invention is to provide a technique capable of determining a state of a battery at high speed and in detail. A battery diagnosis device according to the invention determines whether a battery is in a first state based on a first difference in battery voltage within 4 msec from an end time point at which charging or discharging of the battery is ended, and further determines whether the battery is in a second state based on a second difference in battery voltage thereafter (see FIG. 3).
Absstract of: AU2024217972A1
A copper-zinc battery cell including a first pan and second pan, each of the pans forming a well for receiving an electrolyte. The battery cell may include a membrane comprising a 2D material composite which separates the respective wells of the first and second pan. The battery cell allows for scaling of a resultant battery pack for various applications.
Absstract of: CN120604348A
The present disclosure provides an electrode 1 comprising a 3D composite current collector 2 having an electrically conductive base current collector 3 with a plurality of laterally distributed electrically conductive upright bracket elements 4 comprising carbon-based protrusions 6 and covered by a passivation layer 10 for protecting the struts from direct contact with the electrode or electrolyte material, the passivation layer (10) consists of a first composition (10c) that allows the transmission of electrons to the substrate and prevents the transmission of lithium through the passivation layer. In a preferred embodiment, the electrode is coated with a stack of functional cell layers comprising one or more of a seed layer 20, an anode metal layer 30, and an anode passivation layer 40. The present disclosure also relates to a method of manufacture and an energy storage device comprising the electrode.
Absstract of: CN120584412A
The present invention relates to a composite powder for use in a negative electrode of a battery, the composite powder comprising composite particles and carbon nanotubes, the composite particles comprising a carbonaceous matrix material in which silicon-based particles are embedded, and wherein the surfaces of the composite particles are at least partially covered by the carbon nanotubes.
Absstract of: WO2024165410A1
The present invention relates to an electrode-forming composition comprising a tetrafluoroethylene (TFE) (co)polymer having a specific surface area of 4 m2/g or less, preferably 2 m2/g or less, measured pursuant to the method ISO9277, at least one electroactive material, optionally at least one solid ionic conducting inorganic material and optionally at least one processing aid; to a separator- forming composition comprising said TFE (co)polymer, at least one solid ionic conducting inorganic material, and optionally at least one processing aid; to a process for manufacturing an electrode or a separator by using the compositions, and to an electrode or a separator obtainable by the process. The present invention also relates to a process for manufacturing a gel polymer electrode; to a gel polymer electrode obtainable by the process; to a secondary battery comprising an electrode, a separator or a gel polymer electrode according to the present invention, and to use of the TFE (co)polymer in a binder composition for a secondary battery.
Absstract of: CN120322883A
The invention relates to a solid electrolyte having improved dendritic stability (stability against dendritic formation), comprising a lithium ion conductive material, in particular a glass ceramic, and to the use and to a method for the production thereof.
Absstract of: WO2024165861A1
The present invention relates to composite materials and processes for forming said composite materials. The invention also relates to composites obtained by the processes described herein.
Absstract of: EP4663469A1
A vehicle includes a battery and a computer system that obtains battery state information related to a state of the battery from the battery, at least partially processes a calculation related to energy management of the vehicle by using the battery state information, and provides the battery with result information obtained by processing the calculation.
Absstract of: EP4664588A2
Embodiments of this application provide a battery cell, a battery, an electric apparatus, and an energy storage apparatus. The battery cell includes a housing and at least one electrode assembly. The electrode assembly is accommodated within the housing. The housing is a right parallelepiped, a size of the housing in a first direction being W1, a size of the housing in a second direction being T1, a size of the housing in a third direction being H1, and the first direction, the second direction, and the third direction being mutually perpendicular. The housing includes a first wall and a second wall disposed opposite each other along the first direction, a third wall and a fourth wall disposed opposite each other along the second direction, and a fifth wall and a sixth wall disposed opposite each other along the third direction, a sum of thicknesses of the first wall and the second wall being a, a sum of thicknesses of the third wall and the fourth wall being b, a sum of thicknesses of the fifth wall and the sixth wall being c, and (W1-a)*(T1-b)*(H1-c)/(W1*T1*H1)≥90%. This allows the volumetric energy density of the battery cell to be increased under the same chemical material system.
Absstract of: EP4664587A2
Embodiments of this application provide a battery cell, a battery, an electric apparatus, and an energy storage apparatus. The battery cell includes a housing and at least one electrode assembly. The electrode assembly is accommodated within the housing. The housing is a right parallelepiped, a size of the housing in a first direction being W1, a size of the housing in a second direction being T1, a size of the housing in a third direction being H1, and the first direction, the second direction, and the third direction being mutually perpendicular. The housing includes a first wall and a second wall disposed opposite each other along the first direction, a third wall and a fourth wall disposed opposite each other along the second direction, and a fifth wall and a sixth wall disposed opposite each other along the third direction, a sum of thicknesses of the first wall and the second wall being a, a sum of thicknesses of the third wall and the fourth wall being b, a sum of thicknesses of the fifth wall and the sixth wall being c, and (W1-a)*(T1-b)*(H1-c)/(W1*T1*H1)≥90%. This allows the volumetric energy density of the battery cell to be increased under the same chemical material system.
Absstract of: EP4664586A2
Embodiments of this application provide a battery cell, a battery, an electric apparatus, and an energy storage apparatus. The battery cell includes a housing and at least one electrode assembly. The electrode assembly is accommodated within the housing. The housing is a right parallelepiped, a size of the housing in a first direction being a size of the housing in a second direction being T1, a size of the housing in a third direction being H1, and the first direction, the second direction, and the third direction being mutually perpendicular. The housing includes a first wall and a second wall disposed opposite each other along the first direction, a third wall and a fourth wall disposed opposite each other along the second direction, and a fifth wall and a sixth wall disposed opposite each other along the third direction, a sum of thicknesses of the first wall and the second wall being a, a sum of thicknesses of the third wall and the fourth wall being b, a sum of thicknesses of the fifth wall and the sixth wall being c, and (W1-a)*(T1-b)*(H1-c)/(W1*T1*H1)≥90%. This allows the volumetric energy density of the battery cell to be increased under the same chemical material system.
Absstract of: EP4663285A1
A slurry homogenization process and a use thereof, including the following steps: performing a first pre-mixing on a main material, a first conductive agent, and a binder to obtain a first mixture, while performing a second mixing on a first solvent independently; adding the first mixture into the first solvent, and sequentially performing a second pre-mixing and a first dispersing to obtain a third mixture; and adding a conductive slurry into the third mixture, sequentially performing a third pre-mixing and a second dispersing, and defoaming and cooling to obtain a homogenized slurry.
Absstract of: EP4664601A1
This application provides a battery and a charging method thereof, a battery management system, and an electric device, capable of improving charging performance of the battery. The battery includes at least one battery cell and a battery management system. A positive electrode active material of the battery cell includes LiMPO<sub>4</sub>, and M includes element Mn and element Fe. The battery management system is configured to: when an SOC of the battery is less than or equal to a preset SOC threshold, control the battery to charge based on a first charging current so as to heat the battery during a charging process; and when the SOC of the battery is greater than the SOC threshold, control the battery to charge based on a second charging current, where the first charging current is greater than the second charging current.
Absstract of: EP4664582A1
A battery cell, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises a housing assembly, an electrode assembly, and a current collector assembly. The housing assembly comprises an electrode lead-out portion for inputting or outputting electric energy. The electrode assembly is accommodated in the housing assembly. The electrode assembly comprises a main body and a tab, and the tab is provided on the main body. The materials of the tab and the electrode lead-out portion are different. The current collector assembly comprises an additional portion of the same material as the electrode lead-out portion and a main body portion of the same material as the tab. The additional portion is connected to the main body portion. The additional portion is connected to the electrode lead-out portion in a welded manner. The main body portion is connected to the tab in a welded manner. By configuring the additional portion and the electrode lead-out portion to be made of the same material and welded to each other, phenomena such as different melting points and coefficients of thermal expansion caused by welding of the current collector assembly and the electrode lead-out portion of different materials are alleviated, thereby reducing welding cracks between the current collector assembly and the electrode lead-out portion, and reducing the risk of electrolyte leakage in the battery cell.
Absstract of: EP4664631A1
This application provides an energy storage container and an energy storage container system. The energy storage container includes a container body. The container body has accommodation space. The accommodation space includes a plurality of battery compartments and one temperature control compartment. The plurality of battery compartments are sequentially arranged in a first direction to form a battery region. The temperature control compartment is located between two adjacent battery compartments, or the temperature control compartment is located at an end part that is of the battery region and that is in the first direction. Each of the battery compartments is provided with a door plate, and all of door plates are located on a same side of the container body. The energy storage container provided in this application has high space utilization, high energy density, low levelized costs of storage, and high system efficiency, and is designed with a single door. Therefore, self-stacking may be implemented to form an energy storage container system for transport, and a high-density side-by-side arrangement may be further implemented to form an energy storage container system for an application scenario.
Absstract of: EP4664639A1
Provided are a CTP battery pack and a vehicle having the CTP battery pack. The CTP battery pack includes a housing (1) and at least one battery cell module (2). The housing (1) has at least one first accommodating cavity (15). Each battery cell module (2) is disposed in one first accommodating cavity (15) of the at least one first accommodating cavity (15). The at least one first accommodating cavity (15) is filled with foam (3).
Absstract of: EP4663607A1
The present application provides a precursor material and a preparation method therefor, a positive electrode material, a secondary battery, and a power consuming apparatus. The precursor material has a chemical formula of NixCoyMnzMa(OH)2, where element M includes at least one of Zr, Y, Al, Ti, W, Sr, Ta, Mo, Sb, Nb, Na, K, Ca, Ce, and La, 0.55≤x<1.0, 0≤y<0.45, 0≤z<0.45, 0
Absstract of: EP4664542A1
The present application provides a positive electrode active material composition, a positive electrode plate, a battery, and an electrical apparatus. The positive electrode active material composition comprises a first positive electrode active material and a second positive electrode active material having different crystal form from the first positive electrode active material. The second positive electrode active material comprises a phosphate material, and the positive electrode active material composition satisfies: Dv10(1)/Dv50(2)>1, Dv50(1)/Dv50(2)≥1.4 and -2.0≤1 - (ρ2×W2)/(ρ1×W1)≤0.98. Above parameters are as defined herein, respectively.
Absstract of: EP4664605A1
The present invention provides a structure of A battery pack comprising: a pack frame; and a plurality of battery modules arranged in the pack frame along a widthwise direction of the pack frame and spaced apart from each other, wherein the pack frame comprises: a bottom plate; a side plate; a cavity is provided in the bottom plate and filled with a coolant without empty space; and an outlet port communicating an inside of the cavity with an outside of the pack frame.
Absstract of: EP4664637A1
A battery pack and an electric device provided in the invention relate to the technical field of batteries. The battery pack includes a box body, a cross beam and a plurality of battery cell groups, the box body is provided with an accommodating chamber having an opening at an end, the box body includes a bottom plate and a frame body formed by a plurality of side plates in an enclosing manner, a direction perpendicular to the bottom plate is a first direction, and the plurality of side plates are fixedly connected to the bottom plate along the first direction; the cross beam is arranged in the accommodating chamber to divide the accommodating chamber into a plurality of accommodating units, a direction parallel to the bottom plate is a second direction, and the cross beam is perpendicular to the bottom plate and extends along the second direction; and the plurality of battery cell groups are arranged in the accommodating units along the second direction, a direction perpendicular to the cross beam is a third direction, and each battery cell group includes a plurality of battery cells stacked along the third direction, the cross beam abuts against at least one end surface of the battery cell group. In this way, the assembly of the battery cell groups is facilitated, and it is beneficial to fixing the battery cell groups.
Absstract of: EP4663787A1
The present invention relates to a method for recovering metals from a black mass from spent lithium-ion batteries. In particular, it relates to a method for leaching Co, Ni and Li from a solid S obtainable from a black mass from spent Li-ion batteries, said solid S comprising Ni, Co, Mn and Li, said method comprising contacting the solid S with a sulfur-containing inorganic peracid, such as Caro's acid (peroxymonosulfuric acid), thereby obtaining a solution C comprising Co, Ni, and Li on the one hand, and a solid S" comprising Mn on the other hand.
Nº publicación: EP4664602A1 17/12/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Absstract of: EP4664602A1
The present disclosure refers to a battery module (100) with a simple connection structure enabling assembly with fewer steps, including a plurality of battery cells (10), a busbar (1) for contacting the plurality of battery cells (10), a thermally and electrically conducting bushing (2) thermally and electrically fixed to the busbar (1), and a circuit board (3) fixed to the bushing (2) by fixation means such that the bushing (2) spaces the circuit board (3) from the busbar (1), wherein the circuit board (3) includes a temperature sensor (5) configured for contacting the busbar (1) through the bushing (2) in a thermally conducting manner, and a voltage signal line (6) configured for contacting the busbar (1) through the bushing (2) in an electrically conducting manner.
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