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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 675 to 700 of 1601
Absstract of: EP4708379A1
A positive electrode active material is provide, the positive electrode active material including a first positive electrode active material including a lithium iron phosphate-based compound; and a second positive electrode active material including lithium nickel-based composite oxide; wherein the second positive electrode active material is included in an amount of ≥ 1 wt% to ≤ 15 wt% based on 100 wt% of the first positive electrode active material and second positive electrode active material. The positive electrode active material, the positive electrode including the same, and the rechargeable lithium battery according to some example embodiments may achieve high capacity and excellent or suitable stability.
Absstract of: EP4708513A1
According to an embodiment, an electronic device includes a printed circuit board including an electronic component and a battery. The battery includes a metal can case including a plate and a cover formed from a first metal material, and an electrode assembly disposed in the metal can case. The plate includes a first layer formed from a second metal material, and a second layer, formed from at least the first metal material, disposed on the first layer, and facing the electrode assembly. Heat conductivity of the second metal material is greater than heat conductivity of the first metal material, for dissipating heat, generated by the electronic component, transmitted through a heat-conductive member by thermally contacting with the plate.
Absstract of: EP4708532A1
A battery module according to one embodiment of the present disclosure includes: a plurality of battery cells; a module casing that accommodates the plurality of battery cells, and having a first venting hole on one side surface, the first venting hole that discharges venting gas to outside; and a rupture member coupled to the module casing so as to cover the first venting hole from both sides, and that is at least partially ruptured by the venting gas.
Absstract of: EP4707032A1
Example methods to manage a plurality of battery packs of an electric vehicle include initiating a charging process for a primary battery pack and an auxiliary battery pack, determining that an Open Circuit Voltage (OCV) of the primary battery pack matches an OCV of the auxiliary battery pack, and based on determining that the OCV of the primary battery pack matches the OCV of the auxiliary battery, connecting the primary and auxiliary battery packs in parallel and initiating parallel charging of the primary battery pack and the auxiliary battery pack.
Absstract of: EP4706374A2
The present invention discloses a shredding device. The shredding device according to one or more embodiments of the present invention comprises: a shredding body for shredding materials; a frame for supporting the shredding body; and a power supply device that provides electric power to the shredding body. The shredding body comprises a housing, and the housing is provided with a power supply chamber for accommodating at least part of the power supply device. The shredding device according to the present invention features a compact structure, and is easy and safe to operate.
Absstract of: EP4708516A2
A battery rack according to an embodiment of the present disclosure includes a plurality of battery modules, each including at least one battery cell, wherein each battery module has at least one venting hole; a rack case accommodating the plurality of battery modules; and a plurality of support brackets disposed in the rack case such that each support bracket supports each battery module and is in communication with the at least one venting hole.
Absstract of: EP4708541A2
An electrode assembly manufacturing apparatus includes a stack table, a separator supply unit, first and second electrode supply units, and a side sealing device. A stack of a first electrode, a second electrode, and a separator between the first and the second electrode are stackable on the stack table. The separator supply unit is configured for supplying the separator to the stack table. The first electrode supply unit is configured for stacking the first electrode on a section of the separator on the stack table. The second electrode supply unit stacks the second electrode on a further section of the separator on the first electrode. A side sealing device heats at least one side surface of the stack.
Absstract of: EP4708462A2
The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.
Absstract of: EP4707354A1
Disclosed is a heat resistant tape including a flexible tape base material, an adhesive layer added to an outer surface of one side of the tape base material, and a heat resistant layer located on a surface of the adhesive layer, wherein the heat resistant tape is reliably attached and secured by the adhesive layer exposed as the tape base material is stretched.
Absstract of: EP4708472A1
Disclosed are a battery cell with an improved structure and a battery module including the same, and more particularly a battery cell including an electrode assembly having an electrode tab protruding therefrom, the electrode assembly including a positive electrode, a separator, and a negative electrode, a pair of cover separators located so as to wrap the electrode assembly, the pair of cover separators including a first cover separator and a second cover separator, a pouch case configured to receive the electrode assembly and the pair of cover separators, an electrode lead having one side connected to the electrode tab and an other side protruding outward from the pouch case, and an insulating film located between the pouch case and the electrode lead and a battery module including the same.
Absstract of: EP4708499A1
An energy storage device according to the present disclosure comprises a plurality of battery modules including a plurality of battery cells; a case for accommodating the battery modules; and a support frame for supporting a plurality of the battery modules in the case, wherein the support frame comprises a lower support member on which at least one battery module is supported, and an upper support member on which at least one battery module is supported.
Absstract of: EP4708522A2
A battery module according to one embodiment of the present disclosure includes first and second cell block assemblies that include a battery cell stack and are arranged along a direction perpendicular to the stacking direction of the battery cell stack; a module frame that houses the first and second cell block assemblies and is opened in a front and rear direction; and a cooling plate arranged below the bottom portion of the module frame, wherein a flow path through which refrigerant flows is formed in the cooling plate, and the flow path is formed in a direction parallel to the arrangement direction of the first and second cell block assemblies.
Absstract of: EP4708306A2
A system, device, method, and program for acquiring feature data for material composition information based on artificial intelligence are disclosed. The system may include a memory configured to store a first artificial intelligence (AI) model configured to output first feature data for composition information of a material and a second AI model configured to output second feature data for structure information of the material; and a processor configured to learn the first AI model and the second AI model. The processor may be configured to learn the first AI model based on the second feature data for the structure information of the material output by the second AI model, and/or to learn the second AI model based on the first feature data for the composition information of the material output by the first AI model.
Absstract of: EP4708547A2
The claimed invention relates to an energy storage device comprising: an electrode body; and an outer packaging that seals the electrode body, wherein the outer packaging is constituted by a film-like outer packaging member, the outer packaging includes a first sealing portion that is sealed by joining surfaces that face each other in a state in which the outer packaging member is wrapped around the electrode body, a base portion of the first sealing portion is formed at a boundary between a first surface and a second surface of the outer packaging, the first surface has a larger area than the second surface, and the first sealing portion does not overlap the first surface in a plan view, the outer packaging further comprising a lid body, and wherein the lid body: (A) is a metal molded article; (B) is a resin molded article; (C) has a plate shape; (D) is a member that is divided into a first portion and a second portion, and wherein a hole is configured to pass through the lid body; or (E) is a tray-shaped member having a bottom and a rectangular shape in a plan view.
Absstract of: EP4708460A2
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell
Absstract of: EP4708382A2
Provided is an anode material and a battery. The anode material includes a carbon matrix and an active substance, and at least a portion of the active substance is distributed in the carbon matrix; and surface cleanliness of the anode material is γ, and γ≥60%. The anode material and the battery provided in the present disclosure can alleviate cyclic attenuation of the anode material, reduce side reactions between the anode material and an electrolyte solution, and reduce a gas production phenomenon of the anode material, thereby comprehensively improving the capacity, expansion performance, and cycling performance of the anode material.
Absstract of: EP4708436A2
Interfacial films, which are both electronic conducting and ion conducting, for anode films are provided. The one or more protective films described herein may be mixed conduction materials, which are both electronic conducting and ion-conducting. The one or more protective films described herein may include materials selected from lithium transition metal dichalcogenides, Li<sub>9</sub>Ti<sub>5</sub>O<sub>12</sub>, or a combination thereof. The lithium transition metal dichalcogenide includes a transition metal dichalcogenide having the formula MX<sub>2</sub>, wherein M is selected from Ti, Mo, or W and X is selected from S, Se, or Te. The transition metal dichalcogenide may be selected from TiS<sub>2</sub>, MoS<sub>2</sub>, WS<sub>2</sub>, or a combination thereof. The lithium transition metal dichalcogenide may be selected from lithium-titanium-disulfide (e.g., LiTiS<sub>2</sub>), lithium-tungsten-disulfide (e.g., LiWS<sub>2</sub>), lithium-molybdenum-disulfide (e.g., LiMoS<sub>2</sub>), or a combination thereof.
Absstract of: EP4708515A2
Disclosed is a battery module with reinforced safety. The battery module includes a plurality of battery cells stacked in at least one direction; a module case configured to accommodate the plurality of battery cells in an inner space; and a heat dissipation member interposed between at least some of the plurality of battery cells and configured to at least partially contact the module case and transfer heat generated from the plurality of battery cells to the module case.
Absstract of: EP4706785A2
A fire monitoring apparatus according to an embodiment of the present disclosure is a device for monitoring a fire in an energy storage system, and includes a fire level determination unit configured to receive a smoke detection signal from a smoke sensor provided inside the energy storage system and determine a fire level according to the number of smoke sensors that detect the smoke; and a control unit configured to control an operation of at least one of an air conditioning unit, a fire extinguishing unit, a watering unit and a ventilation unit for the energy storage system as a fire suppression measure corresponding to the determined fire level.
Absstract of: EP4708517A1
A sensing assembly includes a plurality of busbars and a plurality of sensing frames arranged along a first direction to support the plurality of busbars. The sensing frames includes a middle sensing frame and an outer sensing frame disposed on a first side of the middle sensing frame along the first direction. The middle sensing frame includes: a first peripheral surface facing toward one side in the first direction; a second peripheral surface disposed on an opposite side to the first peripheral surface and facing toward an opposite side in the first direction; a support surface connected with the second peripheral surface and facing toward one side in a second direction crossing the first direction; a guide protrusion protruding from the first peripheral surface toward the one side in the first direction; and a guide groove disposed where the support surface and the second peripheral surface are connected.
Absstract of: EP4708429A2
The present technology relates to a positive electrode for a lithium secondary battery, and the positive electrode includes: a first positive electrode mixture layer contacting a positive electrode current collector; and at least one second positive electrode mixture layer arranged on the first positive electrode mixture layer. Herein, the first positive electrode mixture layer includes a first positive electrode active material and a first binder, and the second positive electrode mixture layer includes a second positive electrode active material and a second binder. Further, an average particle diameter (D<sub>50</sub>) the first positive electrode active material is smaller than an average particle diameter (D<sub>50</sub>) of the second positive electrode active material and is equal to or less than 3µm, and a specific surface area(BET) of the first positive electrode active material is equal to or greater than 3m<sup>2</sup>/g.
Absstract of: EP4708491A2
A battery module includes a buffer pad for preventing a damage to a battery cell, and a battery pack including the battery module. It is possible to prevent a damage to the outermost battery cell at the time of the swelling of battery cells by including a buffer pad, where first and second regions having different physical properties are positioned, in a region contacting the outermost battery cell of the battery cell laminate.
Absstract of: EP4708497A2
Disclosed are a battery pack configured to guide venting gas to be discharged in a desired direction when a thermal event occurs, and an energy storage system including the same.A battery pack according to one aspect of the present disclosure includes a cell assembly, a pack frame accommodating the cell assembly therein, and a venting guidance portion coupled to the pack frame and configured to cause an outlet, through which venting gas emitted from the cell assembly is discharged to the outside of the pack frame, to be formed at a coupling portion with the pack frame, which is at least partially weakened as the internal pressure of the pack frame increases due to the venting gas.
Absstract of: EP4707243A2
The present disclosure relates to a method of manufacturing a positive electrode active material for nonaqueous electrolyte secondary batteries that comprises a lithium transition metal composite oxide containing at least 80 mol% Ni with reference to the total number of moles of metal elements excluding Li, and that has B present on the particle surface of at least this composite oxide. Assuming that a particle having a particle diameter larger than the 70% volume-based particle diameter (D70) is denoted as a first particle and a particle having a particle diameter smaller than the 30% volume-based particle diameter (D30) is denoted as a second particle, the mole fraction of B, with reference to the total number of moles of metal elements excluding Li, in the first particle is larger than the mole fraction of B, with reference to the total number of moles of metal elements excluding Li, in the second particle.
Nº publicación: EP4708594A1 11/03/2026
Applicant:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
CONTEMPORARY AMPEREX FUTURE ENERGY TECH SHENZHEN LIMITED [CN]
Contemporary Amperex Technology Co., Limited,
Contemporary Amperex Future Energy Technology (Shenzhen) Limited
Absstract of: EP4708594A1
Embodiments of the present disclosure provide an energy storage apparatus, which comprises a cabinet body, a heat dissipation device and an energy storage member. A mounting space is provided inside the cabinet body, and an air inlet and an air outlet are provided on the outer surface of the cabinet body. The air inlet is located on one side of the cabinet body along a first direction, the air outlet is located on one side of the cabinet body along a second direction, and the first direction intersects with the second direction. The heat dissipation device is provided in the mounting space, and the heat dissipation device enables airflow to flow from the air inlet to the air outlet. The heat dissipation device is provided above the energy storage member, and in the projection plane perpendicular to the vertical direction, at least part of the projection of the heat dissipation device along the vertical direction is located within the projection range of the energy storage member along the vertical direction.
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