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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 425 to 450 of 1358
Absstract of: EP4664716A1
An information terminal acquires a plurality of abnormal state items indicating a state item for which an abnormal value is detected from among a plurality of state items indicating a plurality of states of a plurality of batteries, upon receiving selection of one abnormal state item of one battery among the plurality of abnormal state items having been acquired, acquires a related state item indicating a state item related to the one abnormal state item having been selected from among the plurality of state items of the one battery, and displays an operation history of the related state item having been acquired.
Absstract of: EP4664534A1
A battery manufacturing apparatus includes a negative electrode notching device configured to assign a first electrode ID to individual notched electrodes; a first cutting device for separating individual negative electrodes assigned the first electrode ID; a positive electrode notching device configured to assign a second electrode ID to individual notched electrodes; a second cutting device for separating individual positive electrodes assigned the second electrode ID; a stacking device configured to stack the individual positive electrodes and the individual negative electrodes with a separator therebetween; and a roll map creating device.
Absstract of: EP4664134A1
A connector inspection device according to an embodiment of the present disclosure, which is an inspection device connected to a connector of a battery module and inspecting the performance of the connector, may include a first body portion; a second body portion having one surface connected to one surface of the first body portion; a third body portion that has one surface connected to the other surface of the second body portion and includes a detection member connected to the connector and receiving an electrical signal from the connector; and a fourth body portion having one surface facing the other surface of the third body portion, having the detection member located therein, and being movable toward the third body portion, wherein the second body portion, the third body portion and the fourth body portion may be movable along one surface of the first body portion.
Absstract of: EP4664099A1
A testing apparatus (400) and a battery production device, which belong to the technical field of batteries. The testing apparatus (400) comprises an X-ray source (410), a linear array detector (420) and a carrying platform (430). The linear array detector (420) is opposite an emission port of the X-ray source (410), the carrying platform (430) can move in a first direction Y, a movement trajectory of the carrying platform (430) passes between the X-ray source (410) and the linear array detector (420), and the carrying platform (430) is configured to carry a battery (500) to be tested. The linear array detector (420) comprises a plurality of columns of sensing regions (421), which are arranged in the first direction Y. The testing apparatus (400) provided can test the battery (500) and improve the testing efficiency.
Absstract of: EP4664546A1
A negative electrode for a nonaqueous electrolyte energy storage device according to one aspect of the present invention includes a negative active material layer including negative active material particles, in which the negative active material particles include natural graphite particles, an internal void ratio of the negative active material particles is 2% or less, a pore volume of pores having a pore size of 7.8 nm or less in the negative active material particles is 0.0030 cm<sup>3</sup>/g or less, and a porosity of the negative active material layer is 35% or more and 60% or less.
Absstract of: EP4664653A1
Provided in this application are a composite separator, a secondary battery, and a power consuming apparatus. The composite separator includes a separator substrate and a conductive coating disposed on a side of the separator substrate. The conductive coating in the composite separator is conducive to improving the current density for deposition of metal ions on a negative electrode current collector such that the metal ions are evenly deposited, and is also conducive to reducing an overpotential of a battery including same such that metal dendrites are further alleviated, thereby improving the cycle performance, service life, and safety of the battery.
Absstract of: EP4663403A1
The present application provides a lithium carbon composite belt and a preparation method therefor. The lithium carbon composite belt comprises a substrate, a metal lithium transition layer on each side of the substrate, and a lithium carbon composite material layer on an outer layer of the metal lithium transition layer, wherein a mass fraction of carbon in the lithium carbon composite material layer is in a range from 5% to 90%. The substrate layer of the lithium carbon composite belt provides high tensile performance for the lithium carbon composite belt, which is suitable for large scale industrial production. The metal lithium transition layer makes the substrate layer tightly bound with the lithium carbon composite material layer, avoiding the problem of forming bumps during the production of the lithium carbon composite belt. The presence of the metal lithium transition layer can effectively reduce the internal resistance of the lithium carbon composite belt. The lithium in the transition layer is active lithium, and thus can also participate in the battery cycling process, so as to compensate the consumption of the metal lithium in the lithium carbon layer. The lithium carbon composite material layer contains a carbon skeleton, which can not only provide a reserved space for metal lithium deposition, inhibiting the volume change of the metal lithium during the cycling, but also effectively reduce local current density on an electrode, preventing the formation of lithi
Absstract of: TW202450155A
According to one aspect, a feedstock for fabricating an iron electrode of an electrochemical cell may include iron-containing particles of a first material, sulfide-containing particles of a second material different from the first material, and a barrier material different from each of the first material and the second material, the barrier material at least partially physically separating the sulfide-containing particles from the iron particles, the at least partial physical separation of the iron-containing particles from the sulfide-containing particles maintainable by the barrier material at temperatures at which iron in the iron-containing particles bonds in the solid state.
Absstract of: CN120677059A
A catalyst device for a lead acid battery, and a lead acid battery comprising the catalyst device are disclosed. A catalyst layer (120) is mounted in a cavity (112) of the device, and a porous layer (140) comprising a thermoplastic material is mounted in the cavity so as to cover a face of the catalyst layer and is configured to prevent thermal runaway of the catalyst device. And the plane size of the porous layer is larger than that of the catalyst layer. The catalyst layer is mounted in a cavity within a maintenance means (130) configured to maintain the position of the catalyst layer within the cavity, and wherein at least one face is covered by the porous layer, thereby ensuring alignment of the catalyst layer and the porous layer in use.
Absstract of: EP4664101A1
A detection apparatus for a tab (501) of a battery cell (500) and a production device for the battery cell (500) are provided, belonging to the field of battery technology. The detection apparatus includes an X-ray source (100), a flat panel detector (200), a carrying platform (300), and a controller (400). The flat panel detector (200) is opposite an emission port of the X-ray source (100), the carrying platform (300) is located between the X-ray source (100) and the flat panel detector (200), and the controller (400) is electrically connected and/or communicatively connected to the flat panel detector (200). The controller (400) is configured to acquire a detection image of the tab (501) of the battery cell (500). The detection image is a detection image of the tab (501) acquired by the flat panel detector (200) based on received rays, where the rays are emitted by the X-ray source (100), pass through the tab (501) of the battery cell (500) placed on the carrying platform (300), and are then projected onto the flat panel detector (200). The detection apparatus determines defect information of the tab (501) based on the detection image. The detection apparatus can achieve comprehensive detection of the tab (501).
Absstract of: EP4664537A1
Provided are a negative electrode plate, a secondary battery, and an electrical apparatus. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector, and the negative electrode film layer comprises a binder, wherein the negative electrode film layer comprises a first region and a second region, and the mass ratio of the binder in the first region to the binder in the second region is 0.1-1.4. The first region is a region that extends from a surface on a side of the negative electrode film layer away from the negative electrode current collector towards the interior of the negative electrode film layer by a distance within h/2, the second region is a region that extends from a surface on a side of the negative electrode film layer close to the negative electrode current collector towards the first region by a distance within h/2, and h represents a thickness of the negative electrode film layer.
Absstract of: EP4664573A1
The present invention relates to a protective tape attachment device for electrode tab protection of a secondary battery and a battery cell manufacturing method using the same, and more specifically, relates to a protective tape attachment device capable of attaching both ends of a protective tape, and a battery cell manufacturing method using the same.According to one example of the present invention, it may provide a protective tape attachment device capable of bonding both ends of each of an upper protective tape and a lower protective tape to each other up and down, comprising an upper main attachment device and a lower main attachment device attaching the upper protective tape and the lower protective tape to an electrode tab respectively, and an upper end attachment device and a lower end attachment device moving independently of the upper main attachment device and the lower main attachment device on both sides of the upper main attachment device and the lower main attachment device respectively.
Absstract of: EP4664566A1
The present disclosure, which relates to a negative electrode for a lithium metal battery, provides a negative electrode comprising a substrate and a porous layer on the substrate wherein the porous layer includes a plurality of metal powders and a plurality of pores, the metal powders having a core part and a shell part coated on at least a portion of the surface of the core part.
Absstract of: EP4664545A1
The present disclosure relates to a negative electrode for a lithium metal battery, the negative electrode comprising a substrate and a porous layer on the substrate, wherein the porous layer contains metal powder and has a porosity of at least 30% determined by XRM analysis in a completely discharged state or prior to the electrodeposition of lithium metal.
Absstract of: EP4664714A1
A charging method and system, an electronic device, and a computer storage medium are disclosed. The system includes a first device (100) and a second device (200). The first device includes a boost chip (730) and a first battery (740). The second device includes a charge pump chip (830) and a second battery (840). The first battery is configured to output a first voltage to the boost chip. The boost chip is configured to: receive the first voltage and output a second voltage to the second device, where the second voltage is greater than the first voltage. The charge pump chip is configured to: receive the second voltage and output a third voltage to the second battery, where the second voltage is M times the third voltage, and M is a positive number greater than 1. The second battery is configured to: receive the third voltage and perform charging.
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: 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: EP4664533A1
Example embodiments provide a secondary battery manufacturing system. The secondary battery manufacturing system includes a server configured to store a roll map including defect data indicating a defect of an electrode roll and datum point data indicating a datum point on the electrode roll, a controller configured to load the defect data and the datum point data from the server, and a datum point sensor configured to generate a datum point sensing signal by sensing the datum point on an electrode sheet unwound from the electrode roll, in which the controller is configured to generate datum point sensing data based on the datum point sensing signal and compare the datum point data with the datum point sensing data.
Absstract of: EP4664632A1
A battery pack includes a battery cell assembly including one or more battery cells, a case in which at least a portion of the battery cell assembly is accommodated, the case including a first groove and a second groove, a cover coupled to the case, and a sealing member between the case and the cover, a portion of the sealing member being located in the first groove and the second groove.
Absstract of: EP4664613A1
A secondary battery includes an electrode assembly including a plurality of unit cells stacked in a first direction, and having electrode leads at opposing ends in a second direction perpendicular to the first direction; a multifunctional terminal block (MTB) included at the opposing ends of the electrode assembly; and a laminate sheet that wraps around sides of the electrode assembly, wherein the MTB includes: an electrode terminal part electrically coupled with the electrode leads of the electrode assembly; and a rupture disk configured to rupture to discharge gas.
Absstract of: EP4664536A1
The present application relates to a positive electrode sheet and a preparation method therefor, a secondary battery, and an electric device. The negative electrode sheet includes a negative electrode current collector, an active material layer, and a passivation layer, where the active material layer is provided between the negative electrode current collector and the passivation layer; the active material layer includes a negative electrode active material, the passivation layer includes ion resin, and the ion resin includes one or more of carboxymethyl cellulose and a metal salt of carboxymethyl cellulose.
Absstract of: EP4664634A1
A battery (100) and a vehicle (1000) are provided. The battery (100) includes: at least one battery cell (17), a box (1), and a buffer structure (23). The battery cell (17) is arranged in the box (1). The buffer structure (23) is fixedly connected to the box (1), and the buffer structure (23) protrudes out of a side wall of the box (1).
Nº publicación: EP4664599A1 17/12/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Absstract of: EP4664599A1
The present disclosure relates to a battery module that includes: a cell stack including a plurality of battery cells arranged to be stacked in one direction; a module case configured to accommodate the cell stack; a venting hole formed on the module case and configured to discharge gas generated from the battery cell to the outside of the module case; and a cartridge having at least a portion coupled to the module case and configured to release carbon dioxide stored therein toward the venting hole.
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