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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 750 to 775 of 1601
Absstract of: EP4708529A1
The present disclosure relates to a battery module and a battery pack including the same, and more specifically, to a battery module capable of uniformly discharging gases to the outside of the module case while confining flames inside the module case when flames and gases are generated inside the battery module case, and a battery pack including the same.A battery module according to the present disclosure includes a battery cell, a module case accommodating a plurality of battery cells, and a module gas discharge unit that delays the discharge of flames among flames and gases generated inside the module case and discharges gases to the outside, wherein the module gas discharge unit includes check valves installed at each corner portion of the upper surface of the module case, thereby uniformly discharging gases inside the module case to the outside while confining flames inside the module case, which may prevent the propagation of fire to the surroundings.
Absstract of: EP4708371A1
A heating device for heating an electrode according to an embodiment of the present disclosure includes at least one heating lamp disposed to face the electrode; a heating chamber having an internal receiving space accommodating the heating lamp and configured to allow the electrode to pass through; and a control module configured to adjust the temperature of the electrode.
Absstract of: EP4708383A1
The present invention relates to a method of preparing a positive electrode slurry composition, which includes steps of (S1) mixing a positive electrode active material, a conductive agent, and a binder in a non-aqueous solvent to prepare a mixture having a solid content of greater than 60 wt%; (S2) cooling the mixture to -30°C to 15°C to prepare a positive electrode slurry composition precursor; and (S3) maintaining a temperature of the positive electrode slurry composition precursor to prepare a positive electrode slurry composition having a V<sub>72</sub> of 0% to 50%, wherein V<sub>n</sub> is a viscosity increase rate when the temperature of the positive electrode slurry composition precursor is maintained for n hours, and the viscosity increase rate is represented by Equation 1, and a method of preparing a positive electrode.
Absstract of: EP4708438A1
A monomer for an electrolyte according to embodiments of the present disclosure may include a first monomer represented by Formula 1 and a second monomer represented by Formula 2. A lithium secondary battery according to embodiments of the present disclosure may include a cathode, an anode, and an electrolyte layer, wherein the electrolyte layer may include a polymer derived from a compound represented by Formula 1.
Absstract of: EP4708432A1
The present disclosure relates to a porous organic-inorganic composite electrolyte membrane, an organic-inorganic composite electrolyte comprising the porous organic-inorganic composite electrolyte membrane, a secondary battery comprising the porous organic-inorganic composite electrolyte membrane, and a method for manufacturing the porous organic-inorganic composite electrolyte membrane, the porous organic-inorganic composite electrolyte membrane comprising an oxide-based inorganic electrolyte and a fluorine-based polymer matrix, wherein the oxide-based inorganic electrolyte is contained in the fluorine-based polymer matrix, and, in the X-ray photoelectron spectroscopy (XPS) analysis result of the surface, the ratio (S<sub>CO3</sub>/S<sub>Zr</sub>) of the area (SCO<sub>3</sub>) of a peak corresponding to CO3 in the C1s spectrum to the area (S<sub>Zr</sub>) of a peak corresponding to Zr3d<sub>5/2</sub> in the Zr3d spectrum is greater than 0 and less than or equal to 5.0.
Absstract of: EP4708431A2
An electrode structure for a lithium secondary battery according to exemplary embodiments may comprise: a negative electrode; and a composite electrolyte layer formed on the negative electrode and including an oxide-based electrolyte and a polymer electrolyte. The oxide-based electrolyte may include a sintered body, and the volume of the oxide-based electrolyte included in the composite electrolyte layer may be more than that of the polymer electrolyte included in the composite electrolyte layer. Accordingly, a lithium secondary battery having improved capacity characteristics and lifespan characteristics can be provided.
Absstract of: EP4706479A1
The present disclosure relates to a cleaner including a battery, more particularly, to a battery including a protrusion protruding toward one side from the battery body; and a button configured to selectively fix the battery body to the battery receiving part, and is capable of allowing easy operation of the button to release the handle, and allowing the button to be formed compact without protruding outward, and a cleaner including the same.
Absstract of: EP4708444A1
The present application relates to a preparation method, apparatus, device and medium for a No. 5 lithium-ion battery. The method includes: preparing a battery cell based on a preparation process of the battery cell; selecting a steel material for preparing the battery and stamping it to obtain an upper steel shell of the battery; acquiring and determining bending parameters of the spring sheet based on user requirements and attribute parameters of the spring sheet; assembling a PCB board and the upper steel shell of the battery based on the bending parameters of the spring sheet, bending a negative spring sheet on a side of the PCB board downwards, so that the negative spring sheet is in elastic contact with the upper steel shell, and bending a positive spring sheet at a bottom of the PCB board downwards, so that the positive spring plate is in elastic contact with a top of the battery cell, thus obtaining a complete step-down charging terminal; fitting the complete step-down charging terminal onto the battery cell to obtain a semi-finished product of the battery; and fixing the semi-finished product of the battery by roller pressing along a groove of the battery cell, and covering an insulating film on a outside of the semi-finished product after being fixed roller pressing to obtain a finished product of the battery. The present application has an effect of improving a safety of lithium-ion batteries.
Absstract of: EP4707778A1
Disclosed is a learning apparatus and method for predicting adhesive force to an electrode, an electrode monitoring device and an electrode manufacturing method using a prediction model trained by using the same, and a lithium secondary battery manufactured by the same. The learning apparatus for predicting adhesive force to an electrode includes: a memory in which a near-infrared spectrum for an electrode and a measurement value of adhesive force of the electrode; a prediction model for predicting the adhesive force of the electrode by receiving a differential mean of a plurality of wave number sections including a characteristic for the adhesive force of the electrode in the near-infrared spectrum; and a processor for receiving the near-infrared spectrum, performing primary differentiation on the near-infrared spectrum, extracting the plurality of wave number sections from the primarily differentiated near-infrared spectrum, calculating the differential mean of the plurality of wave number sections, and transmitting the calculated differential mean to the prediction model, in which the processor receives a predicted value for the adhesive force of the electrode and trains the prediction model so that the predicted value is close to the measurement value.
Absstract of: EP4708555A1
The present disclosure provides an insulation structure and a battery. The insulation structure includes an insulation body and a baffle. The baffle is provided on at least one side of the insulation body in the width direction. The baffle is rotatably connected to the insulation body, with the rotation axis of the baffle extending in the length direction of the insulation body. The baffle includes a baffle body and a connecting portion that are connected to each other. The baffle body extends in the length direction of the insulation body. The connecting portion is rotatably connected to the insulation body, and the baffle body is separately provided from the insulation body.
Absstract of: EP4708069A1
Example embodiments of the present technology provide a roll map storing method. The roll map storing method includes transmitting compressed measurement data, which is generated by processing measurement data collected by measuring an electrode sheet, to a server, modifying the compressed measurement data to generate modified measurement data, and storing the modified data, in which the compressed measurement data includes a first measurement start coordinate, a first measurement end coordinate, a first representative value of a first section defined by the first measurement start coordinate and the first measurement end coordinate, a second measurement start coordinate, a second measurement end coordinate, and a second representative value of a second section defined by the second measurement start coordinate and the second measurement end coordinate, and the first measurement start coordinate and the second measurement start coordinate are the same.
Absstract of: EP4707833A1
A battery management apparatus according to an embodiment disclosed herein includes a voltage measurement unit configured to measure a voltage of each of a plurality of batteries and a controller configured to calculate a first deviation, which is a deviation between a long moving average and a short moving average of a battery voltage for each of the plurality of batteries, calculate a second deviation, which is a deviation between a long moving average and a short moving average of an average voltage of the plurality of battery cells, and calculate a first diagnosis deviation between the first deviation and the second deviation for each of the plurality of battery cells, calculate an accumulative deviation by accumulating the first diagnosis deviation when the first diagnosis deviation of at least one of the plurality of batteries exceeds a threshold value, and diagnose at least one of the plurality of batteries as an abnormal battery, based on the accumulative deviation.
Absstract of: EP4708540A1
A separator for an electrochemical device includes a porous polymer substrate; a coating layer provided on at least one surface of the porous polymer substrate and including a first polymer binder and inorganic particles; and an adhesive layer provided on the coating layer and including a second polymer binder, in which the first polymer binder is a solution type binder, and a content of the first polymer binder included in a portion of the coating layer adjacent to the porous polymer substrate is greater than a content of the first polymer binder included in another portion facing away from the porous polymer substrate.
Absstract of: EP4708454A1
This application discloses a battery module, a battery pack, and an electrical device. The battery module comprises a shell, a cell assembly, and a first heat dissipation element. The cell assembly is disposed in the shell. The cell assembly includes a plurality of battery cells. Each battery cell includes a cell housing and electrode terminals extends out of the cell housing. The first heat dissipation element is provided with a first heat dissipation channel. The first heat dissipation channel communicates with the outside. The first heat dissipation element is provided with a first heat dissipation recess. The first heat dissipation recess accommodates at least one cell housing. A part of each cell housing is disposed in the first heat dissipation recess. In this application, by disposing the first heat dissipation recess on the first heat dissipation element and disposing a part of the cell housing in the first heat dissipation recess, the heat of a battery cell can be directly conducted to the first heat dissipation element. The heat is taken away through the first heat dissipation channel, thereby shortening the heat dissipation path. The first heat dissipation recess can increase the heat dissipation area of the first heat dissipation element, thereby improving the heat dissipation efficiency, simplifying the structure of the battery module, and facilitating assembling.
Absstract of: EP4706478A1
The present disclosure relates to a cleaner, more particularly, to a battery including a protrusion protruding toward one side from the battery body; and a button configured to selectively fix the battery body to the battery receiving part, and is capable of allowing easy operation of the button to release the handle, and allowing the button to be formed compact without protruding outward.
Absstract of: EP4707233A1
The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li<sub>6</sub>PS<sub>5</sub>Cl (mLi<sub>6</sub>PS<sub>5</sub>Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li<sub>6</sub>PS<sub>5</sub>Cl, is modified to improve the ionic conductivity of electrolytes of type Li<sub>6</sub>PS<sub>5</sub>Cl or other lithium thiophosphates.
Absstract of: EP4707835A1
Disclosed is a battery diagnosing apparatus and a battery diagnosing method. The battery diagnosing apparatus includes a data obtaining unit configured to obtain a first profile representing a capacity-voltage relationship of a battery cell containing at least two kinds of active materials, and a processor configured to generate a plurality of comparison profiles based on a plurality of electrode profiles included in an electrode profile map. The processor is configured to select, as a second profile, one comparison profile from the plurality of comparison profiles by comparing each of the plurality of comparison profiles with the first profile. The processor is configured to determine at least one diagnostic factor representing a degradation state of the battery cell based on the second profile.
Absstract of: EP4708375A1
The present invention relates to a positive electrode, a manufacturing method therefor, and an all-solid-state battery including same, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, a sulfide-based solid electrolyte, and a binder, the binder includes a first binder having a weight average molecular weight of 300,000 g/mol or more and a second binder having a weight average molecular weight of 50,000 g/mol or less, and the second binder includes a thiol group. According to the present invention, it is possible to provide: the positive electrode having excellent adhesion between interfaces and/or between components in the positive electrode active material layer as well as excellent dispersibility, and having excellent high-rate discharge efficiency at 1.0C and capacity retention across cycles; a manufacturing method for the positive electrode; and an all-solid-state battery having excellent performance by including the positive electrode.
Absstract of: EP4707237A1
The present invention relates to: a silicon carbon composite having a peak A present in a range of 130 ppm to 150 ppm, a peak B present in a range of 110 ppm to 130 ppm, and a peak C present in a range of 15 ppm to 40 ppm during 13C-NMR analysis, and satisfying equation 1 below; a negative electrode active material comprising same; a negative electrode composition; a negative electrode; a lithium secondary battery; a battery module; and a battery pack. Equation 1 0.3 ≤ peak C intensity/(peak A intensity + peak B intensity) ≤ 2.1.
Absstract of: EP4708370A1
A roll map creation system includes an inspection measurement device for moving electrodes represented by the first roll map created in the preceding process from the unwinder to the rewinder and inspecting the electrodes to obtain inspection and/or measurement data; and a roll map creation device for creating a second roll map by assigning coordinates to the electrodes, and matching the inspection and/or measurement data according to the coordinates of the electrodes, where the roll map creation device is configured to create correction data of the difference in lengths when the first roll map length (A) and the second roll map length (B) differ.
Absstract of: EP4707661A1
A gas protection system, a gas protection method, and an energy storage system are provided. The gas protection system (10) includes: a gas transmission pipe (11) in communication with a sealed cabinet (1), where the gas transmission pipe is configured to input and output a protective gas to and from the sealed cabinet; a first detection module (12) disposed in the gas transmission pipe; and a gas supply module (13) configured to acquire gas parameters of the protective gas in the gas transmission pipe from the first detection module and supply a gas to the sealed cabinet based on the gas parameters. The gas protection system can mitigate the issue of thermal runaway in the sealed cabinet.
Absstract of: EP4708385A1
A secondary battery positive electrode material, relating to the field of battery materials. The secondary battery positive electrode material comprises large particles with a particle size greater than or equal to 2 µm and small particles with a particle size smaller than or equal to 1 µm. The surfaces of some of the small particles are provided with a carbon coating layer; and the surfaces of some of the large particles are not provided with a carbon coating layer. According to the positive electrode material, by means of gradation design of the large and small particles, the effect that the small particles fill gaps left by accumulation of the large particles can be achieved, and then the compaction density is improved. Moreover, the surfaces of the small particles are coated with a carbon layer to provide sufficient electron transport paths, so that a stable electron pathway for the large particles wrapped by the small particles can be maintained in a charge and discharge cycle. Additionally, the surfaces of the large particles with the particle size larger than or equal to 2 µm are not hindered by a carbon coating layer, so that the wetting capacity of an electrolyte to the electrode sheet can be improved, and faster transmission of lithium ions at an interface can be realized, thereby reducing the impedance in a charge and discharge process.
Absstract of: EP4707786A1
The present invention belongs to the technical field of computers, and provides a square battery appearance defect detection method and apparatus, a storage medium, and an electronic device. The method comprises: moving a battery to be detected to a first position, and calling a first camera module to photograph a first part of said battery to form a front image and a rear image of said battery; moving said battery to a second position, and calling a second camera module to photograph a second part of said battery to form a left side image and a right side image of said battery; moving said battery to a third position, and calling a third camera module to photograph a third part of said battery to form a bottom image and a top image of said battery; and performing appearance defect identification on said battery according to the front image, the rear image, the left side image, the right side image, the bottom image and the top image. The present invention can improve the overall defect identification efficiency for square batteries.
Absstract of: EP4708611A1
A short circuit precursor detection system (1) includes a battery cell (21), a temperature sensor (13) that measures a battery temperature, a resistance measurement unit (101) that measures electrolyte resistance of a solid-state electrolyte of the battery cell (21), and a determination unit (104) that determines presence or absence of a precursor of occurrence of short circuit between a positive electrode and a negative electrode. The determination unit (104) determines that the precursor is present when an amount of decrease of the electrolyte resistance measured by the resistance measurement unit (101) during charging is larger than an amount of decrease of the electrolyte resistance caused by change in the battery temperature by a predetermined value or more.
Nº publicación: EP4707416A1 11/03/2026
Applicant:
CONSTANTIA TEICH GMBH [AT]
Constantia Teich GmbH
Absstract of: EP4707416A1
The invention relates to a battery foil (current collector) comprising an aluminum alloy, with the following composition:Si: 0.1 - 0.2wt-%,Fe: ≤ 0.6wt-%,Cu: 0.1 - 0.2wt-%,Mn: 0.03 - 0.05wt-%,Mg: 0.0 - 0.05wt-%Zn: 0.0-0.1wt-%Ti: 0.0 - 0.05wt-%,with 3-4 times as much Fe as Si,with at least 4 times as much Cu as Ti,wherein the aluminum alloy may have impurities of Cd with a max 20ppm, Pb with a max 100ppm and Hg with a max 5ppm, the sum of Pb, Hg, Cd and CrVI being ≤100ppm, the others (not mentioned) individually <0.05 wt-% and the sum of the others ≤0.15 wt-%, with the rest of the alloy being Al,and, wherein the battery cathode foil has intermetallic phases having an average diameter length of 0.5µm or more and their number density being on average 1.3×10<4>particles/mm<2> or more.
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