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BATTERY MODULE

Resumen de: EP4730523A1

Disclosed is a battery module. The battery module includes a plurality of battery cells, an output terminal, and a grip unit. The output terminal is electrically connected to the plurality of battery cells. The grip unit is disposed to face the output terminal. In addition, the grip unit is formed to be connected to an arm of a transfer apparatus.

BATTERY MODULE

Resumen de: EP4730524A1

0001 Disclosed is a battery module. The battery module includes a plurality of battery cells, a connection block, a grip unit, and a mounting cover. The connection block connects the plurality of battery cells. The grip unit is coupled to the connection block and formed to be connected to an arm of a transfer apparatus. The mounting cover is provided with a connection channel formed to allow the arm to be connected to the grip unit, and the mounting cover is disposed to cover the grip unit.

BATTERY MODULE TRANSFER METHOD AND TRANSFER HEAD

Resumen de: EP4730525A1

Disclosed are a battery module transfer method and a battery module transfer head. The battery module transfer method includes a first connection step of connecting a first arm of a transfer head to a first grip unit of a battery module, a second connection step of connecting a second arm of the transfer head to a second grip unit of the battery module, and a step of moving the transfer head to transfer the battery module. A direction in which the first arm is connected to the first grip unit is a direction intersecting a direction in which the second arm is connected to the second grip unit.

BATTERY PRODUCTION DEVICE, BATTERY PRODUCTION APPARATUS, AND BATTERY PRODUCTION METHOD

Resumen de: EP4730453A1

0001 Disclosed in the present application are a battery production device, a battery production apparatus, and a battery production method. The battery production device includes a frame, a moving mechanism, and a cover body. The moving mechanism is connected to the frame, has a first station, and is used for moving a first support cup to the first station, the first support cup having a first mounting cavity configured to receive a battery therein; and the cover body is used for sealing and covering the first support cup located at the first station, so as to seal the first mounting cavity. The moving mechanism does not need to take the battery out from the support cup, such that the movement actions of a mechanism are reduced, and the operation actions are simplified, which is beneficial to increasing the production efficiency of the battery and is then beneficial to meeting the high-speed manufacturing requirement of the battery.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4730427A1

The present invention relates to a positive electrode active material and a lithime secondary battery comprising the same, the positive electrode active material being capable of reducing the amount of gas generated in an activation process or the like of the lithium secondary battery, and further improving the energy density and discharge capacity characteristics of the lithium secondary battery. The positive electrode active material includes: a first phase containing a lithium manganese oxide with a rock salt structure; and a second phase containing a lithium metal oxide with a layered structure, in a mixed state. In the positive electrode active material, the content of manganese may account for about 50 mol% or more of the total content of metals contained in the positive electrode active material, excluding lithium, and niobium (Nb) which is additionally doped on the positive electrode active material may be further included in an amount of about 2,000 ppm to 9,500 ppm based on the total content of the positive electrode active material.

LIQUID LEAD STORAGE BATTERY

Resumen de: EP4730475A1

A flooded-type lead-acid battery includes an element, an electrolyte solution, and a cell chamber that stores the element and the electrolyte solution. The element includes a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode material. The negative electrode plate includes a negative electrode material. The negative electrode material contains an organic expander having a sulfur element content of 2000 µmol/g or more. In a cross section, parallel to the bottom part of the cell chamber, of the flooded-type lead-acid battery, the ratio Ra (= Se/Sg) of the area Se (= S1 - Sg), which is obtained by subtracting the cross-sectional area Sg of the element from the cross-sectional area S1 inside the cell chamber, to the cross-sectional area Sg of the element is 0.20 or less.

BATTERY PACK

Resumen de: WO2024261769A1

The present invention is directed to a battery pack (100) and arrangement of at least one battery pack on the vehicle (10). The battery pack (100) includes a first casing (102) and a second casing (104) adapted to be fastened to each other and enclose a plurality of battery cells. The first casing (102) includes a first inner surface and a first outer surface (102b). The second casing (104) includes a second inner surface (104a) and a second outer surface (104b). The first outer surface (102b) has one or more first heat dissipating units (108) and the second outer surface (104b) has one or more second heat dissipating units (110). The orientation of the one or more first heat dissipating units (108) being different from the orientation of the one or more second heat dissipating units (110).

HEATING SYSTEM FOR BATTERY MODULE, HEATING EQUIPMENT FOR BATTERY MODULE, AND HEATING METHOD FOR BATTERY MODULE

Resumen de: EP4730452A1

The present disclosure provides a heating system for a battery module, heating equipment for a battery module, and a heating method for a battery module. The heating system for the battery module includes: a heating device (1) configured to heat the battery module; a temperature detection portion (2) including a first temperature detection component (21) configured to detect a temperature of the heating device (1); a circuit control component (4) including a power adjustment device (41) that is provided in a power supply circuit (3) electrically connected to the heating component (1) and that adjusts a heating power of the heating device (1); and a temperature control device (5) signal-connected to both the first temperature detection component (21) and the power adjustment device (41) and configured to: based on a difference between the temperature detected by the first temperature detection component (21) and a predetermined temperature, adjust the heating power of the heating device (1) through the circuit control component (4) to adjust the temperature of the heating device (1) toward the predetermined temperature.

ENERGY STORAGE DEVICE

Resumen de: EP4730502A1

Embodiments of this application provide an energy storage device, pertaining to the field of energy storage technology. The energy storage device includes a casing and a plurality of battery cells, where the casing has a battery compartment, the plurality of battery cells being accommodated within the battery compartment, and the battery cell includes a housing and electrode terminals, the electrode terminals being disposed on the housing. A volume of the battery compartment is denoted as V₁, a sum of volumes of the housings of the plurality of battery cells is denoted as V₂, and 0.4 ≤ V₂/V₁ ≤ 0.95. This ensures that all battery cells occupy a relatively large proportion of volume within the battery compartment, thereby enhancing the space utilization of the battery compartment and enhancing the volumetric energy density of the energy storage device.

BINDER COMPOSITION FOR SEPARATOR OF ELECTROCHEMICAL DEVICE, AND SEPARATOR OF ELECTROCHEMICAL DEVICE, COMPRISING SAME

Resumen de: EP4730539A1

0001 The present disclosure provides a composition for a separator of an electrochemical device, a separator including the same, and an electrochemical device including the same, the composition capable of improving electrode adhesion and close adhesion to an olefin polymer porous support while minimizing a binder polymer content, and simultaneously exhibiting low resistance and excellent electrolyte liquid impregnation. 0002 The binder composition for a separator of an electrochemical device according to one embodiment of the present disclosure includes a polyvinyl alcohol-based compound, a binder resin and an aqueous dispersant, wherein the polyvinyl alcohol-based compound is included in an amount of 0.01 wt% to 1.5 wt% based on 100 wt% of the total solid content in the binder composition, and the binder resin includes at least one particle-type acrylic polymer resin.

PEAK HOLD DEVICE, IMPEDANCE MEASUREMENT DEVICE, METAL DEPOSITION DETECTION DEVICE, AND BATTERY INTERNAL TEMPERATURE ESTIMATION DEVICE

Resumen de: EP4730658A1

Provided is a peak hold device 100 that uses a maximum peak or a minimum peak as a target peak from which to acquire a peak value, and for a plurality of damped oscillation waveforms, repeats a process of starting to hold a damped oscillation waveform value at a time before the target peak, and ceasing to hold the damped oscillation waveform value at a time after the target peak.

BATTERY UNIT STATE-OF-SAFETY MONITORING

Resumen de: WO2025045662A1

A battery unit for use in an aerosol generation device, the battery unit comprising: a first battery cell; a battery unit controller; and a second battery cell configured to deliver a plurality of pulses of current to the controller; wherein the controller is configured to measure a characteristic of the first battery cell in response to one or more of the plurality of pulses of current.

ANODE SLURRY COMPOSITION, LITHIUM SECONDARY BATTERY ANODE INCLUDING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4730440A1

0001 An anode slurry composition includes: an anode active material; a conductive material; and two or more types of cellulose-based binders. The cellulose-based binders include carboxymethyl cellulose (CMC) and cellulose nanofibrils (CNF), and the weight ratio of the cellulose nanofibrils (CNF) to the carboxymethyl cellulose (CMC) in the cellulose-based binders (CNF/CMC) is in the range of about 0.05 to 3.00.

DIAGNOSTIC DEVICE AND METHOD FOR OPERATING DIAGNOSTIC DEVICE

Resumen de: EP4729928A1

0001 A diagnosis apparatus according to an embodiment disclosed herein includes a communication circuit configured to obtain, from a Raman spectroscope, information about a Raman spectrum for a mixed sample of different carbon materials including a carbon nanotube (CNT) and a processor configured to obtain intensities of nodes divided by reference wavenumber spacings of a spectrum, based on the information, generate a network of the nodes based on the intensities, and calculate a CNT content of the sample based on characteristics of the network.

A COMMUNICATIONS SYSTEM FOR MONITORING AN ELECTRIC BATTERY SYSTEM

Resumen de: EP4481889A1

The present disclosure relates to a communications system for monitoring an electrical battery system. The communications system is a multitiered system with distinct Time-Division-Multiple-Access (TDMA) for respective levels.

INDEPENDENT BATTERY APPARATUS

Resumen de: WO2024261463A2

An energy storage and release apparatus, or battery apparatus, 100, 200 comprises a plurality of batteries 102 and a controller 135 configured to control the current to and from each battery individually. The apparatus 100 may comprise a plurality of bidirectional AC-DC power conversion modules 104, and an AC electrical link 140 configured to allow power flow between the power conversion modules and to allow electrical connection of the apparatus to an external load 145. Each battery may have a dedicated power conversion module between that battery and the AC electrical link. The apparatus 100 may be arranged such that power flow between the plurality of batteries 102 is permitted only via the AC electrical link 140. The apparatus 100 may comprise at least one temperature sensor, and the controller 135 may be arranged to control the current to two or more batteries 102 in a dynamically-varying way to provide Joule heating to warm the batteries.

SEAL MATERIAL, OBSERVATION WINDOW, AND BATTERY UNIT

Resumen de: EP4729810A1

0001 A sealing material (100) includes a sealing material main body (10) that performs a sealing function between members, and a detection unit (20) that changes color when coming into contact with a detection target gas.

INSULATION ELEMENT

Resumen de: EP4480695A1

The present invention relates to an insulation element for thermal and/or electrical insulation of a rechargeable battery. The insulation element has a first outer layer and a second outer layer, the outer layers being made of an electrically insulating material. Further, the insulation element has at least one intermediate element which is arranged between the outer layers, the intermediate element being made of a textile and/or thermally insulating material, in particular a nonwoven.According to a first aspect, the insulation element has a central region which is arranged between edge regions of the insulation element, wherein the outer layers are connected to each other in the central region and wherein the central region is arranged between two different sections of the intermediate element or between two intermediate elements.According to a further aspect, a thickness of the insulation element is reduced in a central region.According to a further aspect, the insulation element has at least one ventilation channel arranged between the outer layers.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4730532A1

This application provides a battery cell, a battery, and an electric apparatus, and pertains to the field of battery technology. The battery cell includes a housing, an electrode assembly, and a one-way valve. The housing has a wall portion, the electrode assembly is accommodated within the housing, the one-way valve is disposed on the wall portion, and the one-way valve is configured to discharge gas from inside the housing. Through provision of the one-way valve on the wall portion of the housing, the one-way valve can open unidirectionally to discharge gas inside the housing to the exterior of the housing, allowing gas generated inside the housing during normal operation of the battery cell to be discharged to the exterior of the housing through the one-way valve. This mitigates a phenomenon that internal pressure of the battery cell reaches a threshold prematurely due to a rise of internal gas pressure of the battery cell, thereby effectively enhancing operational stability of the battery cell and improving service life and reliability of the battery cell.

BATTERY CELL, BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4730531A1

0001 This application provides a battery cell, a battery, and an electric apparatus, pertaining to the field of battery technologies. The battery cell includes a housing, an electrode assembly, a one-way valve, and a cover member. The housing has a wall portion, the electrode assembly is accommodated within the housing, and the one-way valve is disposed on the wall portion. The one-way valve has an exhaust port, and the exhaust port is configured to discharge gas from inside the housing. The cover member is mounted on the wall portion. Along a thickness direction of the wall portion, the cover member is located on a side of the one-way valve facing away from the electrode assembly, and the cover member covers the one-way valve. An exhaust passage is formed between the cover member and the wall portion, and the exhaust passage communicates the exhaust port to an exterior of the housing. The cover member can protect and shield the one-way valve, reducing wear or damage to the one-way valve, lowering the risk of impurities from the external environment entering the one-way valve, enhancing the aesthetic appearance of the outer surface of the battery cell, and facilitating the connection of a detection component and another part on a side of the cover member facing away from the one-way valve.

POLYMER LAYER

Resumen de: EP4730443A1

The present specification discloses a polymer layer, a production method thereof, and a use thereof. The polymer layer exhibits a so-called PTC (Positive Temperature Coefficient) effect at a required level at a required time, whereby it can be applied as a material that can secure stability in applications where stability problems due to abnormally high heat or flame are caused. The polymer layer can exhibit oxidation potential characteristics suitable for a use, and stably maintain such oxidation potential characteristics even under harsh environments. In the polymer layer, the PTC effect can rapidly appear at a desired level at a required time. The polymer layer has a flat surface, and thus has excellent resistance to scratches, and the like. The present specification discloses a production method and a use of the polymer layer.

BATTERY CELL

Resumen de: EP4730547A1

0001 Provided is a battery cell comprising: a case forming an internal space; an electrode assembly including a plurality of electrode plates and a plurality of separators, and accommodated in the inner space; a current collector electrically connected to the plurality of electrode plates; a cap plate coupled to at least one side of the case; an electrode terminal installed on the cap plate; and a connector electrically connecting the electrode terminal and the current collector, wherein the current collector and the connector are in surface contact with each other by means of a plurality of protrusions provided on at least one of the current collector and the connector.

BATTERY CELL COMPRISING CASE AND MANUFACTURING DEVICE OF CASE

Resumen de: EP4730493A1

0001 A battery cell is provided. The battery cell may include a case and an electrode assembly arranged in the case. The case may include a central portion having a first thickness, and an edge portion extending from the central portion and having a second thickness less than the first thickness.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4730420A1

0001 The present application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric device. The positive electrode active material includes:         NaNiFeMnM1M2O<2+δ-f>F, where M1 includes a rare earth element; M2 includes at least one of a group IA element, a group IIA element, a group IIIA element, a group IVA element, a group VA element, a group VIA element, and a transition element; and 0.6 ≤ x ≤ 1.2, 0 < a ≤ 0.5, 0 < b ≤ 0.4, 0.3 ≤ c ≤ 0.75, 0.001 ≤ d ≤ 0.05, 0 ≤ e ≤ 0.3, -0.1 ≤ δ ≤ 0.1, 0 ≤ f ≤ 0.1, 0.005 ≤ d/c ≤ 0.05, and a + b + c + d + e = 1.