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1089
results.
Updated on
22/08/2026 [07:48:00]
Results 1050 to 1075 of 1089
Absstract of: GB2703792A
An apparatus 100 for processing an electric battery 10 for recycling, comprising a tank 102 configured to contain a liquid; a support surface 104 configured to support a battery within the tank, wherein the support surface is located within the tank such that the battery is immersed in the liquid in the tank in use; at least one cutting blade 106 configured to be oriented within the tank so as to cut through the battery along a substantially linear path in each of a plurality of cutting directions, wherein each of the cutting directions is oriented at an angle relative to the other cutting directions. The apparatus may comprise a plurality of cutting blades configured to be oriented within the tank so as to cut through the battery along the plurality of cutting directions. The blades may be spaced apart from one another, located in different regions of the tank, and configured to be oriented within the tank to cut in substantially parallel planes along a same one of the cutting directions. The blades may be independently operable. Also disclosed is a method (Fig. 2, 200) of processing an electric battery for recycling involving the apparatus. Figure 1
Absstract of: EP4790757A1
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes first lithium transition metal oxide particles and second lithium transition metal oxide particles having a median particle diameter (D50) smaller than that of the first lithium transition metal oxide particles. The first lithium transition metal oxide particles and the second lithium transition metal oxide particles each include a lithium-sulfur-metal-containing part and satisfy predetermined relationships of a particle diameter ratio and a sulfur coating amount difference therebetween.
Absstract of: EP4790782A1
The present disclosure relates to a separator for a rechargeable battery, and a rechargeable battery including the separator. The separator for a rechargeable battery includes a porous substrate, and a coating layer formed on at least one surface of the porous substrate. The coating layer includes a core-shell binder having a core and a shell surrounding the core, and the shell has an adhesive functional group at a terminal thereof and has an alkylene glycol group-containing structural unit and a cyano group-containing structural unit.
Absstract of: EP4790816A2
0001 The present disclosure relates to a battery assembly. The battery assembly may comprise: a plurality of battery cells arranged along a stacking direction; and a housing case containing the plurality of battery cells and including at least one end plate; wherein the end plate has a length dimension that extends parallel to the stacking direction and forms a first side of the housing case. The at least one end plate has one or more first type of venting holes penetrating it. The battery assembly possesses improved thermal stability, extended battery life and improved structural stability.
Absstract of: EP4789836A2
Devices, systems and methods used to accurately and/or precisely calender materials and films (e.g., dry electrode materials and/or dry electrode films), and systems thereof, are described. These devices, systems and methods measure thicknesses of films on the calender rollers and/or adjust bulging of calender rollers. Such disclosures may enable active control and/or adjustment of the calendering system in order to more accurately and/or precisely control and/or adjust the thicknesses, densities and/or loadings of films.
Absstract of: EP4790752A1
The present disclosure relates to a positive electrode for an all-solid-state battery. The present disclosure describes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode current collector includes a main body section and a positive electrode tab protruding from the main body section in one direction. The positive electrode active material layer is provided on the main body section, and the positive electrode active material layer includes a positive electrode active material and a solid electrolyte. The main body section includes a first end and a second end opposite to each other in the one direction. The first end crosses a boundary between the positive electrode tab and the body section, and the main body section include a tab adjacent section extending from the first end toward the second end.
Absstract of: EP4790516A1
0001 A head-wearable device comprising a larger battery, a smaller battery, one or more electronic components, and memory including executable instructions for causing the head-wearable device to perform operations is described. The operations are performed in response to a request to perform a computational task. The operations include, in accordance with a determination that a larger battery charge is above a larger battery charge threshold and a smaller battery charge is above a smaller battery charge threshold, providing power from the larger battery and the smaller battery to the one or more electronic components. The operations further include, in accordance with a determination that the larger battery charge is above the larger battery charge threshold and the smaller battery charge is below the smaller battery charge threshold: (i) deactivating a discharging path of the smaller battery and (ii) providing power from the larger battery to the one or more electronic components.
Absstract of: EP4790025A1
A cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-nickel metal oxide particles. The lithium-nickel metal oxide particles have the form of secondary particles in which a plurality of primary particles are agglomerated, and include a tungsten compound at interfaces between the primary particles. When the content of tungsten measured by energy-dispersive X-ray spectroscopy (EDS) satisfies Equation 1, surface stability of the cathode active material is increased, thereby improving high-temperature performance.
Absstract of: EP4789888A2
A vehicle mounting structure for an energy storage apparatus including: an energy storage cell (32) in which a vertical wall (56) extending in a vehicle up and down direction is disposed on an end portion thereof in a first direction orthogonal to the vehicle up and down direction; an upper cover (34) disposed above the energy storage cell (32); a panel member (44, 46) disposed above the upper cover (34); and an elastic member (42) that is disposed between the upper cover (34) and the panel member (44, 46) and is disposed overlapping the vertical wall (56) as viewed from the vehicle up and down direction.
Absstract of: EP4790759A1
0001 Disclosed are lithium manganese iron phosphate (LMFP) battery systems, cells, and methods configured to smooth stair-like voltage behavior inherent to LMFP chemistries. The disclosure describes blending LMFP cathode materials having different iron-to-manganese ratios to moderate multiphase redox reactions and produce a more slope-like voltage profile during charge and discharge. The blended cathode materials may be integrated at a material level, electrode level, cell level, or pack level to improve state-of-charge estimation, power control, and battery management system performance while preserving the inherent safety, cost, and cycle-life advantages of LMFP chemistry. The disclosed systems support modular battery architectures and are adaptable to electric vehicles, heavy-duty applications, and stationary energy storage. By reducing steep voltage transitions without introducing higher-risk chemistries, the disclosed approaches enable improved controllability, reliability, and scalability of LMFP-based energy storage systems.
Absstract of: EP4790788A1
The present disclosure relates to a positive electrode. The positive electrode includes a current collector, an adhesive layer on the current collector, a functional layer on the adhesive layer, and a positive electrode active material layer on the functional layer. The functional layer includes a first binder and functional particle, and the adhesive layer includes a second binder. The functional particle includes at least one of boron nitride (BN), aluminum nitride (AlN), alumina (Al2O3), silicon nitride (Si3N4), boehmite, zeolite, or kaolinite.
Absstract of: EP4790753A1
An electrode plate (5P) includes a current collecting foil (SPF), a conductive bonding layer (5PY) provided on the electrode foil (5PF), an active material layer (SPA) provided on the bonding layer (5PY) and bonded to the bonding layer (5PY), and an insulating protective layer (SPX) provided along the bonding layer (5PY) and the active material layer (5PA) and between an electrode foil exposed portion (5PC) of the electrode foil (SPF), where the electrode foil (5PF) is exposed, and the bonding layer (5PY). The insulating protective layer (SPX) is thinner than the bonding layer (SPY).
Absstract of: EP4789808A1
0001 A laser welding method includes a preparation step and a welding step. A first member and a second member prepared in the preparation step have end faces that are adjusted to the same level in height when stacked with each other. Each of the first member and the second member has a stepped face higher than the end face at a position away from a boundary between the stacked first and second members. In the welding step, the boundary between the end faces of the first member and the second member is irradiated with a laser beam in a state that hoods are placed on the stepped faces of the first member and the second member, respectively.
Absstract of: EP4790793A2
0001 A battery module includes a plurality of battery cells, a cooling plate positioned on the plurality of battery cells and including a main flow path, a first supply portion for supplying coolant to the main flow path, and a second supply portion for supplying fire extinguishing fluid to the main flow path, wherein the coolant and the fire extinguishing fluid are selectively supplied to the main flow path.
Absstract of: EP4790765A1
Composite positive electrode active material particles, a method of manufacturing composite positive electrode active material particles, and a solid-state battery. The composite positive electrode active material particles contain: positive electrode active material particles; a first coating layer coating at least a part of the positive electrode active material particles; and a second coating layer coating at least a part of the first coating layer, wherein the first coating layer contains an oxide, the second coating layer contains a sulfide solid electrolyte, the sulfide solid electrolyte contains an argyrodite-type sulfide, and a 10% particle diameter D10 in a volume-based cumulative particle size distribution is 3.3 µm or less.
Absstract of: EP4790785A1
A laser welding method includes a preparation step and a welding step. A first member and a second member prepared in the preparation step have end faces that are adjusted to the same level in height in a state that the first and second members are stacked with each other. The first member has a stepped face lower than its end face at a position away from a boundary between the stacked first and second members. The second member has a stepped face lower than or higher than its end face at a position away from the boundary between the stacked first and second members. In the welding step, the boundary between the end faces of the first and second members is irradiated with a laser beam in a state that hoods are placed on the stepped faces of the first and second members, respectively.
Absstract of: EP4790764A1
The present disclosure relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode. For example, the present disclosure relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode. The electrode includes a positive electrode current collector, a first positive electrode active material layer on the positive electrode current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first particle, wherein the second positive electrode active material layer includes a second particle, and a third particle. A ratio of an amount of the third particle relative to a total weight of the first, second and third particles is from ≥ 10 wt% to ≤ 30 wt%.
Absstract of: EP4789894A1
The present disclosure refers to a battery system (100), an electric vehicle (2000) including the battery system (100) and a method for the battery system (100).The battery system (100) includes a battery pack (10) with a plurality of battery cells (12) connected to two high voltage lines (14) to form a high voltage, HV, system (16). Each of the high voltage lines (14) includes a main high voltage switch (18) configured to connect the plurality of battery cells (12) to or disconnect the plurality of battery cells (12) from the respective high voltage line (14). The battery system (100) further includes a battery heating system (20) for heating the plurality of battery cells (12) of the battery pack (10) with a heating element (22) and a heating switch (24) connected in series with the heating element (22). The heating element (22) and the heating switch (24) are connected in parallel to one of the high voltage lines (14). The battery system (100) further includes a low voltage, LV, system (26) and a battery management system, BMS, (28) connected to the LV system (26). The BMS (28) includes a signal transmission means (30) configured to transmit a switching signal to the heating switch (24) in a galvanically isolated manner for controlling the heating switch (24) of the battery heating system (20). The battery heating system (20) is configured to receive the switching signal from the signal transmission means (30) of the BMS (28).
Absstract of: EP4790868A1
Provided are a method and apparatus (700) for controlling charging of a battery. The method of controlling charging of a battery (120) includes: measuring (210) a first impedance and a second impedance of the battery (120); calculating (220) an impedance variation based on a difference between the first impedance and the second impedance; setting (230) an end-of-charge voltage based on the impedance variation; and charging (240) the battery based on the end-of-charge voltage.
Absstract of: EP4790799A1
0001 The present disclosure provides a battery pack comprising a plurality of battery arrays, each battery array having at least one terminal and a terminal cover associated with the terminal. The terminal cover comprises a mounting portion and a deflector portion. The mounting portion is configured to affix the terminal cover to the battery array such that the terminal cover is substantially aligned with the terminal. The deflector portion is positioned with respect to the terminal such that, in an event of fluid egress from a battery array via a terminal of the battery array, the fluid egress is directed away from predefined locations of the other respective battery arrays of the battery pack. The terminal cover (100) may include a sidewall (125) and a top portion (115).
Absstract of: EP4790804A1
0001 The present application provides a cover plate, a battery, and an electrical device. The cover plate includes a cover plate body, an explosion-proof structure, and a copper layer. The explosion-proof structure is disposed on the cover plate body, at least one side of the cover plate body is provided with the copper layer, the copper layer covers the explosion-proof structure, and the cover plate body and the copper layer are made of different materials.
Absstract of: EP4790750A1
Provided are an electrode sheet, an electrode assembly, and a battery cell, relating to the field of battery technology. The electrode sheet includes a current collector, an active material layer, and an electrode tab. The current collector includes a body and a protruding portion protruding outwardly from a part of an edge of the body. The active material layer is provided on the body and the protruding portion. The electrode tab is connected to the body.
Absstract of: EP4790783A2
0001 Disclosed are a carboxylmethyl cellulose lithium salt, a method of manufacturing the carboxylmethyl cellulose lithium salt, a negative electrode including the carboxylmethyl cellulose lithium salt, and a rechargeable lithium battery. The method of manufacturing a carboxylmethyl cellulose lithium salt includes performing an alkalization reaction of cellulose and lithium hydroxide, performing an etherification reaction with a halogen-containing acetic acid or a salt thereof, wherein an amine derivative is added during the alkalization reaction or the etherification reaction, and an amount of the halogen-containing acetic acid or a salt thereof added relative to the lithium hydroxide is controlled to a given amount.
Absstract of: GB2703732A
A power system (10, 110) for a goods transport container (12, 112), comprises a power arrangement; and mounting arrangement (14, 114) for mounting the power arrangement (10, 110) with the transportation container (12, 112). Figure 1
Nº publicación: EP4790776A1 12/08/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Absstract of: EP4790776A1
Disclosed are a pouch-shaped secondary battery pressing apparatus including a pressing plate configured to press a pouch-shaped secondary battery, a support plate located in front of the pressing plate, and a driving unit configured to drive the pressing plate forward and backward, wherein the pressing plate includes a first pressing plate configured to press a central part of the pouch-shaped secondary battery and a second pressing plate disposed on each of both sides of the first pressing plate, the second pressing plate being configured to press an edge of the pouch-shaped secondary battery, and a pouch-shaped secondary battery pressing method using the same.
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