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455
results.
Updated on
15/11/2026 [07:03:00]
Results 325 to 350 of 455
Absstract of: WO2025145972A1
The invention relates to a polyol component, a potting composition comprising the polyol component, and a polyurethane foam prepared from the potting composition. The present invention also relates to a battery product comprising the foam prepared from the potting composition.
Absstract of: EP4838750A1
A device and a method for controlling battery charging, and a battery system including same according to an embodiment and an experimental example of the present invention may monitor the state of charge (SOC) of a battery, control, on the basis of the SOC of the battery, the battery to be charged according to a first charging method, and control the battery to be charged according to a second charging method when the voltage value of the battery corresponds to the SOC of the battery and reaches a predefined charging voltage value while the battery is charged according to the first charging method.
Absstract of: WO2025227408A1
A battery pack is proposed in the present disclosure. Embodiments of the battery pack may include a plurality of battery cells, at least one of which includes a pressure relief member for escape of an emission for the relief of pressure; a frame defining a battery compartment space for accommodating the plurality of battery cells. The frame includes: a plurality of beams; an opening formed in one or more of the plurality of beams and communicated with external environment of the battery pack; and a passage configured to extend within one or more of the plurality of beams and in fluid communication with the battery compartment space and the opening. The passage includes a plurality of passage sections connected in sequence and section members for separating adjacent passage sections of the plurality of passage sections. An electricity consuming device including the battery pack is also proposed in the present disclosure.
Absstract of: EP4838609A1
0001 A non-aqueous electrolyte energy storage device according to one aspect of the present invention includes: a positive electrode containing a sulfur-based active material; and a non-aqueous electrolyte containing an electrolyte salt, an ionic liquid, and a non-aqueous solvent, wherein the non-aqueous solvent contains a fluorinated cyclic ether.
Absstract of: EP4838597A1
Disclosed are a sensing block and a battery module assembly including the same. The sensing block may include a frame, a circuit board, and a discharge channel. The frame may be formed to correspond to a plurality of battery cells. The circuit board may be mounted on the frame and formed to be connected to an external device in order to monitor a state of the battery cell. The discharge channel may include a discharge channel formed to allow moisture to be discharged from a space between the frame and the circuit board.
Absstract of: EP4838575A1
0001 The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising a lithium transition metal oxide and a coating portion including a metal oxide located on the surface of the lithium transition metal oxide, being in the form of a single particle, and capable of improving initial capacity and resistance performance by having an average particle diameter and an average particle diameter ratio satisfying specific ranges.
Absstract of: EP4838625A1
0001 Embodiments of the present disclosure provide a heat exchange assembly, a battery apparatus, an electric device, and an energy storage device. The battery apparatus comprises a case assembly, a battery cell assembly, and a heat exchange assembly. The battery cell assembly is arranged in the case assembly. The heat exchange assembly is used for heat exchange with the battery cell assembly. The heat exchange assembly comprises rigid connectors and at least two flexible members, wherein the at least two flexible members are stacked, a heat exchange flow channel is formed between the flexible members, and the heat exchange flow channel is used for conducting a heat exchange medium. Each rigid connector is provided with a connection channel, the rigid connectors are connected to the flexible members, and the connection channels are communicated with the heat exchange flow channel. The heat exchange assembly of the battery apparatus provided in the embodiments of the present disclosure can be communicated with the outside by means of the rigid connectors, thereby realizing heat exchange with the battery cell assembly; moreover, the energy density of the battery apparatus can be improved, and the degree of fit between the heat exchange assembly and the case assembly and/or the battery cell assembly can also be improved, thereby improving the heat exchange efficiency and heat exchange effect of the heat exchange assembly.
Absstract of: EP4837929A1
The present invention relates to a polymer composition, a polymer slurry, a separator for battery, and a battery, and may comprise a polymer component comprising a first polymerization unit derived from a monomer containing an N-unsubstituted (meth)acrylamide group; a second polymerization unit derived from a monomer containing an N-disubstituted (meth)acrylamide group; a third polymerization unit derived from a monomer containing a lactam group having 6 or more nuclear atoms; and a fourth polymerization unit derived from a monomer containing a photoreactive functional group.
Absstract of: EP4838563A1
According to exemplary embodiments, secondary battery manufacturing apparatus is provided. The apparatus includes a die coater configured to apply an electrode slurry on a current collector sheet such that an electrode slurry lane is formed on the current collector sheet; and a magnetic module configured to apply a magnetic field to an electrode sheet including the current collector sheet and the electrode slurry lane, and the magnetic field has non-uniform intensity in a transverse direction of the electrode sheet.
Absstract of: EP4838676A1
0001 A battery cell assembly according to certain aspects of the present disclosure comprises: a sub-assembly including a battery cell stack formed by stacking a plurality of battery cells; a frame member that houses the sub-assembly; an inter-busbar that is electrically connected to the battery cells included in the sub-assembly; a terminal member including one end where a screw thread is formed; a frame hole that is formed on at least one side surface of the frame member; and a terminal busbar assembly that covers the frame hole and is connected to the terminal member, wherein the inter-busbar is formed with an inter-busbar hole, and one end of the terminal member is coupled to the inter-busbar hole through the frame hole.
Absstract of: WO2025216533A1
The present invention relates to a method for preparing a pre-lithiated anode for a lithium-ion secondary battery. The present invention relates further to a pre-lithiated anode for a lithium-ion secondary battery obtainable by said method. The present invention relates further to a pre-lithiated anode. The present invention relates further to a lithium-ion secondary battery.
Absstract of: EP4837942A1
The present invention provides a polymer, a separator, a battery, and an electric device. The polymer comprises a first polymer and a second polymer, the Dv50 particle size of the first polymer is greater than the Dv50 particle size of the second polymer, and the first polymer comprises an acrylate copolymer.
Absstract of: GB2645543A
A system, for maintaining a working temperature of an energy storage cell of a battery module, includes a terminal. The terminal includes a heat pipe that defines a head portion and a shank portion. The shank portion is engageable with an electrical tab of the energy storage cell and defines a closed cavity having a hollow structure and a draining structure. Also, the system includes a working fluid contained within the closed cavity. The working fluid is configured to: receive heat from the electrical tab at a region where the shank portion engages with the electrical tab to be vaporized and urged through the hollow structure to reach up to a section of the closed cavity; and release the heat to the head portion at the section of the closed cavity to be condensed and drained through the draining structure to return to the region.
Absstract of: EP4838681A1
0001 A battery unit manufacturing device according to embodiments of the present disclosure may include a worktable configured to enable a battery cell assembly to be seated thereon, and at least one bending member configured to bend multiple lead tabs while moving with respect to the worktable at a position facing the battery cell assembly seated on the worktable, wherein the at least one bending member includes a base movable in a direction parallel to a first direction and a direction parallel to a second direction, a first pressing portion extending from the base in the second direction and configured to sequentially bend a first lead tab and a second lead tab as the base moves, and a second pressing portion spaced apart from the first pressing portion in the first direction and configured to press the bent first lead tab while the first pressing portion bends the second lead tab.
Absstract of: EP4838686A1
According to exemplary embodiments, a battery cell assembly is provided. The battery cell assembly includes: a first battery cell including a first positive terminal and a first negative terminal; a second battery cell including a second positive terminal and a second negative terminal; a first busbar welded to the first negative terminal of the first battery cell and the second positive terminal of the second battery cell, respectively; a first circuit opening device interposed between the first negative terminal and the second positive terminal; and a first insulating layer isolating the first circuit opening device from the first negative terminal, the second positive terminal, and the first busbar.
Absstract of: EP4838606A1
0001 Disclosed are a solid electrolyte for an all-solid-state lithium-ion secondary battery and an all-solid-state lithium-ion secondary battery including the same, which can improve the formability of the solid electrolyte and the performance of the battery by incorporating two or more types of binders with different molecular weights into the solid electrolyte of the all-solid-state battery to reduce the porosity. The solid electrolyte for the all-solid-state lithium-ion secondary battery includes two or more types of binders with different molecular weights (Mw).
Absstract of: EP4838692A1
Disclosed is a battery module, which includes battery cells; a module case configured to accommodate the battery cells therein and having a drain hole for draining electrolyte leaking from the battery cells; and an electrolyte discharge control device configured to block the drain hole, the electrolyte discharge control device being configured to open the drain hole for a predetermined time and then block the drain hole when a level of electrolyte inside the module case rises.
Absstract of: EP4838623A1
0001 Embodiments of the present disclosure provide a battery assembly, a battery, and an electrical apparatus. The battery assembly comprises a battery cell, an insulating film, a connecting member, and a thermal management sleeve member. The insulating film wraps around an outer surface of the battery cell, and the insulating film is provided with a communication hole penetrating through along the thickness direction of the insulating film. At least a portion of the connecting member is disposed in the communication hole. The connecting member is connected to the thermal management sleeve member and the battery cell. The battery assembly in the embodiments of the present disclosure is directly connected to the thermal management sleeve member and the battery cell by means of a connection in the communication hole, reducing the probability that the insulating film is damaged due to relative movement between the thermal management sleeve member and the battery cell, helping to improve the connection strength between the battery cell and the thermal management sleeve member, and making the relative position between the battery cell and the thermal management sleeve member more stable. Additionally, heat exchange between the thermal management sleeve member and the battery cell only passing through the connecting member is facilitated, thereby improving heat exchange efficiency.
Absstract of: EP4838679A1
A battery cell (100), a battery (1100) and an electric device. The battery cell (100) comprises a casing (10), electrode assemblies (20) and adapters (30), wherein the casing (10) is provided with electrode terminals (40) for outputting or inputting electric energy; the electrode assemblies (20) are located in the casing (10), and each comprise a main body portion (21) and tabs (22) connected to an end portion of the main body portion (21); the adapters (30) are located in the casing (10), are provided with tab welding areas (31) configured to be welded to the tabs (22), and are further provided with terminal welding areas (32) configured to be welded to the electrode terminals (40); the tab welding areas (31) each comprise at least two tab welding sub-areas (311); and each terminal welding area (32) is located between two tab welding sub-areas (311).
Absstract of: EP4838654A1
0001 A battery cell according to the present disclosure may include: an electrode assembly configured by winding a first electrode, a second electrode, and a separator, interposed therebetween, around a winding axis; a housing configured to receive the electrode assembly through an opening formed on one side thereof and comprising a bent portion formed by bending an end portion of the opening inward; a current collector coupled to one side of the electrode assembly and electrically connected to the first electrode of the electrode assembly; and a cap coupled to the bent portion to cover the opening of the housing, wherein a portion of the current collector may be coupled to the bent portion of the housing.
Absstract of: EP4838683A1
A battery cell according to an embodiment of the present disclosure includes an electrode assembly configured by winding a first electrode and a second electrode with a separator interposed therebetween around a winding axis to define a core and an outer surface, wherein the first electrode includes a first uncoated portion on which an active material layer is not coated along a winding direction, wherein the second electrode includes a second uncoated portion on which an active material layer is not coated along the winding direction, and wherein the first uncoated portion and the second uncoated portion are provided on the same surface of the electrode assembly, a battery housing having an opening formed on one side and configured to receive the electrode assembly through the opening, an upper cover configured to cover the opening of the battery housing, and a cell terminal passing through the upper cover to be exposed to an outside of the upper cover, electrically connected to the second uncoated portion, and configured to be weldable to the second uncoated portion from the outside.
Absstract of: GB2706130A
A modular housing system comprising a coolant sub-system and a plurality of housing units 100, each comprising a base 120 having an upper face, a wall 121 circumscribing the base and extending away from the upper face, and a unit compartment 136 defined by the base and wall and configured to receive an electrical cell module 110; wherein each unit is configured such that its wall is releasably mountable to a corresponding wall of an adjacent unit; and wherein the coolant sub-system is configured to deliver coolant to cool the module. The coolant sub-system may comprise a thermal conditioning unit (Fig. 11A, 1171) mounted to an upper end of the housing system. Each unit may comprise a coolant inlet in the base of the unit and a first coolant manifold portion 142 mounted to the wall fluidly connecting the inlet (Fig. 4, 144) and the thermal conditioning unit. A second coolant manifold 152 in each unit may connect the thermal conditioning unit and a coolant outlet. An electric vehicle energy storage system comprising one or more modular housing systems. Figure 1A
Absstract of: EP4838670A1
A separator for a non-aqueous secondary battery includes: a porous substrate; a heat-resistant porous layer disposed on one surface or both surfaces of the porous substrate and containing inorganic particles and a binder resin; and an adhesive layer disposed on one surface or both surfaces of a laminate including the porous substrate and the heat-resistant porous layer and containing adhesive resin particles, in which the heat-resistant porous layer has an average pore diameter X of 50 nm to 300 nm, and the adhesive resin particles have an average primary particle diameter Y of 100 nm to 900 nm.
Absstract of: EP4837728A1
0001 The present invention relates to a secondary battery pouch manufacturing method, and more specifically, relates to a secondary battery pouch manufacturing method and a secondary battery pouch manufacturing device, capable of organically and efficiently performing plasma surface treatment. 0002 According to one example of the present invention, a secondary battery pouch manufacturing method may be provided, which comprises: a transfer step of supplying a pouch sheet by transferring and stopping it from a pouch roll at a predetermined cycle using an unwinder; a forming step of forming a cup, in which an electrode assembly is accommodated, by forming the pouch sheet in a stopped state after being transferred through the transfer step; and a surface treatment step of performing plasma surface treatment on the pouch sheet in a stopped state after being transferred through the transfer step.
Nº publicación: EP4837718A1 11/11/2026
Applicant:
SUMITOMO RIKO CO LIMITED [JP]
Sumitomo Riko Company Limited
Absstract of: EP4837718A1
0001 The present invention addresses the problem of providing: a mold which has high durability and is capable of suppressing burrs from a gasket; and a composite member for an electrochemical device. This mold (5) is provided with a first mold (5D) and a second mold (5U). A base material (2) is disposed in the first mold (5D). The second mold (5U) is disposed so as to face the first mold (5D) in the Y direction, and has a cut-off part (50) and a cavity recess part (51) that is disposed on the inner side of the cut-off part (50) in the X-direction and that partitions a cavity (5M) for molding a gasket (4). The cut-off part (50) has: a planar top surface (500) that protrudes toward the base material (2) side with respect to a parting line (PL) and extends in the X direction; a protruding inner side surface (501) that is disposed on the inner side of the top surface (500) in the X-direction; and a protruding outer side surface (502) that is disposed on the outer side of the top surface (500) in the X-direction. The width (W2) in the X-direction between the protruding inner side surface (501) and the protruding outer side surface (502) narrows in the direction from the parting line (PL) toward the top surface (500).
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