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1808
resultados
Última actualización
06/06/2025 [07:29:00]
Resultados 575 a 600 de 1808
Resumen de: WO2025110309A1
The present invention relates to a jig for a secondary battery electrode laser notching, a secondary battery electrode laser notching device, and a secondary battery electrode laser notching method, and solves the technical problem of providing: a jig for secondary battery electrode laser notching, wherein the jig supports and fixes a secondary battery electrode to prevent the secondary battery electrode from bending while being laser notched; a secondary battery electrode laser notching device; and a secondary battery electrode laser notching method. To this end, the present invention provides a jig for secondary battery electrode laser notching, the jig comprising: a first plate for supporting a secondary battery electrode; and a second plate which overlaps the first plate, with the secondary battery electrode interposed therebetween, and presses the secondary battery electrode toward the first plate, and which has a laser passing part through which the secondary battery electrode is partially exposed so that a laser is emitted to the secondary battery electrode.
Resumen de: WO2025107770A1
Provided is a battery flattening device (1). The battery flattening device (1) comprises a base (11) and a flattening mechanism (12); the base (11) comprises a body (111) and two driving assemblies (112) spaced apart in a first direction (X); the flattening mechanism (12) comprises transmission assemblies (121) and flattening assemblies (122); the transmission assemblies (121) each are of a flexible structure; the transmission assemblies (121) which each are of a flexible structure are sleeved on the two driving assemblies (112), so that the transmission assemblies (121) are in an elliptical shape; the flattening assemblies (122) can be used for flattening tabs on the end surfaces of a battery; and the flattening assemblies (122) are connected to the driving assemblies (112) and move synchronously with the driving assemblies (112), so that the flattening assemblies (122) can operate along an elliptical trajectory, and thus the battery flattening device (1) can be used for flattening the end surfaces of the square battery.
Resumen de: WO2025107838A1
Disclosed in the present application are an electrode assembly, a battery and an electric device. The electrode assembly comprises a positive electrode sheet and a negative electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer located on at least one side of the positive electrode current collector; the negative electrode sheet comprises a negative electrode current collector and two insulating coatings arranged on the surface of the negative electrode current collector close to the positive electrode sheet, the distance between the two insulating coatings is larger than the width of the positive electrode active material layer, and the two insulating coatings do not face the positive electrode active material layer; and each of the insulating coatings comprises an insulating filler and a binder, and has a density greater than or equal to 20%. The electrode assembly provided by the present application enables the battery to have a high reliability and good cycle performance.
Resumen de: WO2025107908A1
A battery cell, a battery and an electronic product. The battery cell comprises a battery cell body (10), a first tab and a second tab, wherein the battery cell body (10) comprises a first electrode sheet and a second electrode sheet; the first tab is connected to the first electrode sheet, and comprises a first metal strip (20) and a first insulating portion (30); the second tab is connected to the second electrode sheet, and comprises a second metal strip (40) and a second insulating portion (50); the second metal strip (40) extends in the direction of height of the battery cell body (10); the second insulating portion (50) is arranged on the second metal strip (40) and protrudes from an edge of the second metal strip (40) in the direction of width of the battery cell body (10); there is a spacing between the first metal strip (20) and the second metal strip (40); and the first insulating portion (30) and the second insulating portion (50) at least partially overlap to form an overlapping region (35). The problem of the lower limit of the width of the battery cell being restricted by means of reducing the lengths of insulating adhesives of positive and negative tabs in the direction of width of the battery cell is solved.
Resumen de: WO2025111373A1
Provided herein are methods and systems for preparing electrodes for rechargeable energy devices in a continuous two-step process. In certain aspects, this disclosure provides a two-step process for selective electrochemical extraction of lithium from an aqueous source comprising lithium, followed by electrochemical plating of lithium metal for use as a Li-metal battery electrode.
Resumen de: WO2025110640A1
A battery pack according to an embodiment of the present invention comprises: a cell array structure which includes a plurality of battery cells and a plurality of cooling tubes provided between the plurality of battery cells; and a pack case in which the cell array structure is accommodated and which has a cooling medium flow path communicating with the plurality of cooling tubes.
Resumen de: WO2025110652A1
A cooling unit for a secondary battery, according to an embodiment of the present invention, can cool a folded terrace part of a pouched type secondary battery. The cooling unit for a secondary battery may comprise: a main body of which at least a portion is curved or bent in the direction of surrounding the folded terrace part; and a plurality of spray parts which are disposed on the inner surface of the main body and which spray gas toward the folded terrace part.
Resumen de: WO2025110573A1
Provided is a method for manufacturing electrode assembly, the method comprising: a preparation step of aligning electrode tabs of one or more first electrode plates; a cooling step of cooling the electrode tabs; and a connecting step of coupling the cooled electrode tabs and lead tabs to each other.
Resumen de: WO2025110863A1
The present invention relates to a battery module comprising: a cell stack including multiple battery cells; a module case configured to accommodate the cell stack; and a heat conductive layer provided between the module case and the cell stack and configured to have a difference in adhesive force from the outside to the inside thereof.
Resumen de: WO2025110564A1
The present invention relates to a cathode comprising a cathode active material layer and an all-solid-state battery comprising same, the cathode active material layer comprising a cathode active material, a sulfide-based solid electrolyte, a conductive material composite, and a fibrillized binder, wherein the conductive material composite includes: a core part containing a carbon-based conductive material; and a coating part disposed on at least a portion of the core part and containing polymer nanoparticles, the polymer nanoparticles being composed of a copolymer of polyvinylidene fluoride (PVDF) and a comonomer, the comonomer being at least one selected from the group consisting of hexafluoropropylene (HFP), chlorotrifluoroethylene (CTFE), hexafluoroacetone (HFA), 1-hydropentafluoropropylene (HPFP), tetrafluoroethylene (TFE), and trifluoroethylene (TrFE). According to the present invention, a cathode and an all-solid-state battery comprising same can be provided wherein the cathode has excellent ionic/electrical conductivity and charge and discharge performance as well as superb mechanical properties, such as tensile strength.
Resumen de: WO2025110067A1
This battery pack comprises: a plurality of secondary battery cells each having a cell end surface; a battery holder for storing the plurality of secondary battery cells; and a plurality of lead plates connected to the cell end surfaces of the plurality of secondary battery cells stored in the battery holder. The battery holder is provided with a storage cylinder for storing the plurality of secondary battery cells, the battery holder being equipped with a main holder in which both ends of the storage cylinder are opened, and a lid holder for closing at least a portion of the open region of the body holder. The lid holder is configured to be capable of defining a plurality of sub-holders. Each sub-holder has an electrode window opened therein, the electrode window partially exposing the cell end surface of the respective secondary battery cell, and the cell end surface is connected to any one of the plurality of lead plates via the electrode window.
Resumen de: WO2025110454A1
One embodiment of the present invention provides a method for recycling a waste secondary battery electrode material by using galvanic corrosion. According to the present invention, lithium in waste secondary battery electrode material can be replenished through a simple method under room temperature and atmospheric pressure conditions, and thus waste secondary battery electrode material of various degrees of deterioration can be collected in a single distribution to facilitate the recycling of the waste secondary battery electrode material.
Resumen de: WO2025110322A1
The present invention relates to a battery module end plate. The battery module end plate according to the present invention, which couples to both sides of a hollow rectangular battery case, comprises: a first plate which is made of a synthetic resin material having insulation properties and is formed by injection; a second plate which is made of a metal material and bent by a press, is coupled to the front of the first plate, and is welded to both sides of the battery case; and bushing members which are disposed between the two sides of the first plate and the two sides of the second plate so as to extend in the longitudinal direction, and in each of which an insertion hole is formed in the longitudinal direction, and which are fixedly coupled to the first plate or the second plate, wherein seating covers protruding forward are formed in a bent manner on either side of the second plate, the rear of each seating cover has a seating groove into which a bushing member is inserted, and the upper parts and/or the lower parts of the seating covers have movement-preventing covers formed in a bent manner, the movement-preventing covers covering the upper ends or the lower ends of the bushing members seated in the seating grooves.
Resumen de: WO2025110050A1
PROBLEM TO BE SOLVED To provide a raw material for a negative electrode active material composed of silicon particles capable of improving initial current density in a negative electrode material having improved cycle characteristics by controlling the particle diameter of the silicon. SOLUTION The silicon used as a raw material for a negative electrode active material of an all-solid-state lithium ion secondary battery has an oxygen concentration of 15-30 mass % and a carbon concentration of 3-15 mass % measured at a depth of 5 nm from the surface, and a weight ratio (C-O/Si-Si) of a ratio of a C-O bond to a ratio of an Si-Si bond exceeds 0.01.
Resumen de: WO2025107907A1
A battery cell, a battery and an electric apparatus. The battery cell comprises a positive electrode sheet and a negative electrode sheet. The negative electrode sheet comprises a negative current collector, two insulating coatings arranged on the surface of the negative current collector that is close to the positive electrode sheet, and an interface modification layer located between the two insulating coatings, wherein the thickness of each insulating coating is denoted as H1μm, and the width thereof is denoted as W1mm, the thickness of the interface modification layer is denoted as H0μm, and the negative electrode sheet meets: |H1-H0|≤W1 and W1<0. Thus, the problem of dendrite growth at a negative electrode end portion can be ameliorated, so that batteries have good cycle performance, and negative electrode sheets can also have good processing performance, such that continuous winding can be performed.
Resumen de: WO2025107754A1
A bilateral dual-ultrasonic roll welding system for a composite current collector, comprising a film unwinding mechanism (2), foil unwinding mechanisms, roll pressing and smoothing mechanisms, an ultrasonic roll welding mechanism (5) and a winding mechanism (6). Deviation correction mechanisms and a plurality of guide rollers are respectively arranged between the film unwinding mechanism (2), the foil unwinding mechanisms and the roll pressing and smoothing mechanisms; the film unwinding mechanism (2) and the foil unwinding mechanisms respectively feed the film and the foils to the deviation correction mechanisms for deviation correction and the guide rollers for stretching and flattening, the film and the foils are laminated by a front roll pressing and smoothing mechanism (41), and then the laminated material is welded by the ultrasonic roll welding mechanism (5) to form a composite current collector film which is wound by the winding mechanism (6). The bilateral dual-ultrasonic roll welding system for a composite current collector uses the ultrasonic roll welding mechanism (5) to carry out bilateral welding on the film material so as to form a bilateral double-sided foil-supplemented composite current collector, so that one device can synchronously achieve the working efficiency of two old welding devices, thereby saving the spatial layout of workshops, and achieving the objective of reducing production costs.
Resumen de: WO2025107747A1
Embodiments of the present application provide a battery, an electric device, and an energy storage device, and allow for improved battery performance. The battery comprises: a battery cell, a first wall of the battery cell being provided with a pressure relief mechanism; an attachment component, a first surface of the attachment component being attached to the first wall by means of an adhesive; an isolation component connected to the attachment component, the isolation component being configured to prevent the adhesive from getting between the attachment component and the pressure relief mechanism; and a protection component connected to that surface of the isolation component facing away from the pressure relief mechanism, said protection component being used to protect the isolation component; wherein, the attachment component is provided with a first through hole corresponding to the position of the pressure relief mechanism.
Resumen de: WO2025110580A1
The present disclosure relates to a battery conveying apparatus comprising: a carriage including a first inlet at the front and receiving battery cells thereinto through the first inlet; a first shield in the form of a screen, for opening and closing the first inlet in the event of a fire inside the carriage; and first gaskets positioned on either side of the first inlet and expandable toward the first shield in the event of a fire inside the carriage.
Resumen de: WO2025110791A1
The present invention relates to a lithium secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the discharge potential of the negative electrode is controlled to 0-1.5 V (vs. Li/Li+) without using the full profile of the negative electrode, and the cut-off potential of the negative electrode is controlled to be less than the discharge potential of the negative electrode according to the type of the negative electrode, thereby leaving residual negative electrode capacity and thus improving lifespan characteristics.
Resumen de: WO2025110834A1
The present application relates to a high energy density electrochemical cell having notably enhanced life characteristics by effectively inhibiting side reactions at the interface between lithium metal and a solid electrolyte. The present application comprises: a negative electrode comprising lithium metal; a positive electrode; and a solid electrolyte positioned between the negative electrode and the positive electrode. The solid electrolyte comprises: a first ion conductor which is a complex hydride comprising hydride-based complex anions; and a second ion conductor comprising a sulfur compound.
Resumen de: WO2025110585A1
The present invention relates to a battery module and a battery pack including same. A battery module according to an aspect of the present invention may include: a battery cell including a cell body and a first electrode lead and a second electrode lead respectively provided on one side and the other side of the cell body; a first voltage measurement member and a second voltage measurement member respectively electrically connected to the first electrode lead and the second electrode lead; and a temperature-measuring member coupled to the first electrode lead so as to construct a thermocouple with the first voltage measurement member.
Resumen de: WO2025110581A1
The present disclosure relates to a battery inspection device for determining the type of a battery cell in a transfer member that accommodates the battery cell, an inspection method using same, and a battery manufacturing system comprising same, the battery inspection device comprising: a placement member that moves the transfer member; and a measurement member, located outside the placement member, that determines the type of the battery cell accommodated in the transfer member.
Resumen de: WO2025110323A1
The present invention relates to an end plate for a battery module, the end plate comprising: a first plate and a second plate that are coupled to each other; and bushing members that are arranged lengthwise vertically between both sides of the first plate and both sides of the second plate, have vertical insert holes formed therein, and are coupled and fixed to the first plate or the second plate. A mounting cover protruding forward is formed bent on both sides of the second plate, a mounting groove is formed behind the mounting cover, a coupling member integrally formed by injection is formed, protruding forward, on both sides of the first plate, the bushing members are coupled and fixed to the inside of the coupling member by insert injection, the coupling member having the bushing members inserted therein is inserted into the mounting groove, and a plurality of ring-shaped concave grooves are formed along a circumferential direction in the outer circumferential surface of the bushing members. When coupling and fixing the bushing members to the inside of the coupling member by insert injection, the bushing members are fixed to the coupling member by filling the concave grooves with an injection molding material.
Resumen de: WO2025110321A1
The present invention relates to battery module end plates and, particularly, to battery module end plates which couple to the two ends of a hollow battery case. The battery module end plates according to the present invention, which couple to both sides of a hollow rectangular battery case, each comprise: a first plate which is made of a synthetic resin material having insulation properties and is formed by injection; a second plate which is made of a metal material and bent by a press, is coupled to the front of the first plate, and is welded to both sides of the battery case; and bushing members, each of which has an insertion hole formed therein in the vertical direction, and which are fixedly coupled, by welding, to either side of the second plate.
Nº publicación: WO2025110450A1 30/05/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uC5D0\uB108\uC9C0\uC194\uB8E8\uC158
Resumen de: WO2025110450A1
A battery module for delaying thermal runaway according to an embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells are stacked; a module case for accommodating the battery cell stack; and an end plate disposed on one side of the module case, wherein a flame retardant paint is applied to at least a portion of the end plate.
BOPI
Sede Electrónica
