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1525
resultados
Última actualización
12/09/2025 [07:43:00]
Resultados 1425 a 1450 de 1525
Resumen de: WO2025178806A1
A portable energy system configured for use with an energy management system is provided and comprises a controller operably connected to a battery of the energy management system and a grid and configured to control a cycling period of the battery for charging the battery during internal tare consumption and control energy import from the grid to the battery to initiate a cool down process for lowering a temperature of the battery so that the battery can charge up faster.
Resumen de: WO2025178418A1
The present invention relates to a cathode active material, a cathode and lithium secondary battery comprising same, and a method for evaluating the quality of a lithium secondary battery, and provides a cathode active material, and a cathode and a lithium secondary battery, both comprising same, wherein the cathode active material comprises a lithium composite transition metal oxide and has a ratio of Gaussian Lorentzian full width at half maximum (Strain L/G) of 1.6 or less as defined by Mathematical Formula 1 described in the present specification in an XRD peak pattern measured through XRD analysis. Also provided is a method for evaluating the quality of a lithium secondary battery comprising a cathode including the lithium composite transition metal oxide, an anode, and a separator disposed between the anode and the cathode, the method comprising the steps of: calculating a ratio of Gaussian Lorentzian full width at half maximum (Strain L/G) as defined by mathematical formula 1 described in the present specification in an XRD peak pattern of the cathode active material; and determining the battery as acceptable if the ratio of Gaussian Lorentzian full width at half maximum (Strain L/G) is 1.6 or less or as defective if the ratio exceeds 1.6.
Resumen de: WO2025178362A1
Provided is a structure of a battery pack, the battery pack comprising: a battery module provided with a module frame; a pack frame provided with a bottom plate on which the battery module is mounted; and a thermal resin interposed between a bottom plate of the battery module and the bottom plate of the pack frame, wherein hole- or recess-shaped receiving portions are provided in a bottom plate of the module frame, and the thermal resin has extending portions extending upward so as to be filled in anchor portions.
Resumen de: WO2025178554A1
Embodiments herein disclose methods and systems for identifying bunching of vehicles at a batteiy charging and swapping station in a live manner and addressing the bunching of vehicles by taking necessary actions through various solutions.
Resumen de: WO2025178419A1
The present invention relates to a method for environmentally-friendly and effective recovery of a positive electrode material from black powder, the method comprising: a dissolution step of mixing black powder and a basic solution to dissolve a current collector component; a solid-liquid separation step of removing the solvent in which the current collector component is dissolved; and a drying step of drying the separated solid component.
Resumen de: WO2025178390A1
The present invention relates to a method for recovering high-purity iron from waste lithium iron phosphate. Through a first step of heat-treating a crushed material of waste lithium iron phosphate (LiFePO4, LFP) in an oxygen atmosphere; a second step of recovering FeO-containing slag from a melt produced by adding a flux to and heat-treating, in an oxygen-free atmosphere, the crushed material of the waste lithium iron phosphate that has undergone the first step; a third step of recovering a melt produced by adding a reducing agent to and heat-treating, in an inert atmosphere, the FeO-containing slag recovered in the second step; a fourth step of injecting oxygen gas into the melt recovered in the third step; and a fifth step of adding FeS2 to and heat-treating, in an inert atmosphere, the melt that has undergone the fourth step, high-purity iron metal from which copper and phosphorus have been removed may be recovered.
Resumen de: WO2025178470A1
A method of manufacturing a solid-state battery device is provided. The method comprises: continuously supplying a first composite sheet that includes a cathode layer and a solid electrolyte layer formed on the cathode layer; continuously supplying an aluminum-containing sheet onto the first composite sheet so that the aluminum-containing sheet is positioned on the solid electrolyte layer of the first composite sheet; continuously roll-bonding the aluminum-containing sheet and the first composite sheet in order to provide a second composite sheet that includes the cathode layer; continuously supplying, onto the second composite sheet, a third composite sheet that includes a lithium-containing layer and a conductive layer; and continuously roll-bonding the second composite sheet and the third composite sheet so that the lithium-containing layer and the aluminum-containing layer are compressed to form a prelithiated anode.
Resumen de: WO2025178361A1
The present invention relates to a nonaqueous electrolyte for secondary batteries and a secondary battery comprising same. The secondary battery comprising the nonaqueous electrolyte for secondary batteries according to the present invention can have improved room-temperature lifespan performance due to an increase in capacity retention rate and a reduction in resistance.
Resumen de: WO2025178450A1
The present invention relates to a door opening and closing system applied to a case having an accommodation space therein. The door opening and closing system according to an embodiment of the present invention includes: a door unidirectionally movable to cover the accommodation space; a rod bar coupled to the door; a handle coupled to the rod bar; a roller support coupled to the rod bar and moving integrally with the rod bar; a roller coupled to an end of the roller support; and a roller bracket coupled to the case. When a user moves the handle up and down, the rod bar moves integrally with the handle. The roller bracket extends along a moving path of the roller and includes a rail corresponding to the roller.
Resumen de: WO2025178460A1
An electrode composite material and a method of making same are disclosed. A mixture that includes lithium sulfide (Li2S) particles containing a Li2S compound, carbon particles, and halogenated lithium phosphorous sulfide (LPS-X) particles containing an LPS-X (X is F, Cl, Br, and/or I) compound are provided. The LPS-X particles have crystallinity which can be confirmed with XRD of the LPS-X particles or the mixture showing XRD peaks indicative of crystalline LPS-X. The mixture does not include lithium phosphorous sulfide (LPS) particles made of an LPS compound. The mixture is ball-milled to provide a ball-milled composite material. At least part of the LPS-X compound contained in at least part of the LPS-X particles is converted to the LPS compound. XRD of the ball-milled composite material shows none of the XRD peaks indicative of crystalline LPS-X.
Resumen de: WO2025178245A1
The present invention relates to a positive electrode active material, a method for regenerating the positive electrode active material, and a secondary battery. According to the present invention, there is the effect of providing a positive electrode active material, a method for regenerating the positive electrode active material, a secondary battery, and the like, in which, by detaching and recovering a positive electrode active material from a waste positive electrode, applying a coating agent thereonto, and controlling firing conditions and the like of the positive electrode active material on which the coating agent is applied, a structure similar to the crystal structure of a fresh positive electrode active material can be exhibited while reducing a region where a compound having an olivine structure is mixed in a carbon coating layer on the surface of the positive electrode active material, thus providing satisfactory battery characteristics.
Resumen de: WO2025178469A1
Provided is a solid-state battery device. The solid-state battery includes a cell. The cell includes a positive electrode, a negative electrode, and a solid electrolyte layer. The positive electrode includes positive electrode active material particles, solid electrolyte particles, and carbon particles. The positive electrode active material particles include a positive electrode active material configured to bind to lithium ions. The positive electrode active material particles include single crystal particles, each of which does not include polycrystalline grains therein, and thus first and second solid electrolyte materials are absent inside the single crystal particles, but the first solid electrolyte material is in contact with the surface of the single crystal particles. The positive electrode has a lithium ion diffusivity in the range of 1x10-14 cm2/s to 1x10-7 cm2/s.
Resumen de: WO2025178244A1
A battery module disclosed herein includes: a plurality of battery cells; a cover portion overlapping at least a portion of the plurality of battery cells; a blocking member disposed in at least one of the spaces between the plurality of battery cells and protruding further than the plurality of battery cells toward the cover portion; a first protruding portion protruding from the cover portion toward the plurality of battery cells and including a pair of protrusions; and a venting flow path formed inside the cover portion, wherein the blocking member is inserted between the pair of protrusions of the first protruding portion.
Resumen de: WO2025178298A1
The present disclosure relates to an all-solid-state battery and can provide an all-solid-state battery comprising a cathode, a solid electrolyte layer, an anodeless coating layer, and an anode current collector, and a manufacturing method therefor, wherein the anodeless coating layer includes amorphous carbon and silver nanoparticles, and when the anode-free coating layer is divided in the thickness direction into two equal parts, referred to as a first region and a second region in order from the side closer to the anode current collector, the ratio (C2/C1) of the silver nanoparticle content (C2) in the second region to the silver nanoparticle content (C1) in the first region falls within the range of 0.4 to 2 after charging/discharging. This configuration ensures excellent reactivity between silver nanoparticles and lithium ions, and high lithium ion conductivity. Even after charge and discharge cycles, the distribution characteristics of silver nanoparticles remain excellent, contributing to the uniformity of internal resistance in the battery and effectively regulating lithium dendrite growth. Accordingly, the all-solid-state battery of the present invention has an excellent capacity retention rate, particularly, an excellent capacity retention rate at a high rate, and also exhibits excellent lifespan characteristics.
Resumen de: WO2025178286A1
A battery management apparatus according to an embodiment disclosed in the present document includes: a temperature estimation unit for estimating the temperature of a battery on the basis of EIS data associated with the impedance of the battery; a data acquisition unit for acquiring measurement data associated with the measured temperature of the battery; and a temperature correction unit for correcting the estimated temperature of the battery to correspond to the measured temperature of the battery on the basis of at least one correction coefficient generated on the basis of the error between the measured temperature and the estimated temperature.
Resumen de: WO2025178370A1
A solid-state battery device is provided. The present disclosure relates to a solid-state battery comprising a cell including: a positive electrode, a negative electrode, and a solid electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes first particles containing silicon and second particles containing a material configured to form an alloy with lithium. The second particles are softer than the first particles and are configured to compensate for changes in size of the first particles during charge and discharge cycles of the solid-state battery, so that when the first particles expand in size, the size of the second particles is compressed at a given pressure applied to the solid-state battery, and when the first particles shrink in size, the size of the second particles is expanded at a given pressure applied to the solid-state battery.
Resumen de: WO2025178369A1
The method for sealing a pouch-type battery cell, according to the present invention, is characterized in that at least one of the upper surface of a primary sealing part and the lower surface of the primary sealing part is adhered to a bent surface of a pouch exterior material, formed by bending, at a portion where the primary sealing part and the bent part intersect.
Resumen de: WO2025178274A1
The present invention provides a contamination-resistant battery cell carrier comprising: a lower carrier (100) including a lower plate (110) on which one or more battery cells (50) are mounted; and an upper carrier (200) including an upper plate (210) that is disposed above the lower carrier (100) and the one or more battery cells (50) and is coupled to the lower carrier (100), one or more hoppers (220) that are arranged to pass through the upper plate (210) and respectively contact the one or more battery cells (50), and a barrier (230) that is formed to protrude upward from the upper plate (210). Each of the one or more hoppers (220) may be open at the top and bottom and may include an upper injection port (222) that contacts an electrolyte injector and a lower injection port (224) that contacts a respective battery cell (50). Accordingly, an electrolyte may be injected into each battery cell (50) via each hopper (220), or the electrolyte inside each battery cell (50) may leak or splash to the outside of the battery cell (50). The barrier (230) may entirely surround the one or more hoppers (220).
Resumen de: WO2025178331A1
A battery cell assembly according to one embodiment of the present invention includes: a battery cell stack including a first battery cell stack and a second battery cell stack in which a plurality of battery cells are stacked; a frame member accommodating the battery cell stack; and an inlet and an outlet for circulating a refrigerant into the frame member, wherein the refrigerant is introduced into the frame member through the inlet and discharged through the outlet, the frame member includes an intermediate plate disposed between the first battery cell stack and the second battery cell stack, and the intermediate plate has at least one opening through which the refrigerant passes.
Resumen de: WO2025178316A1
The battery cell according to an embodiment of the present invention comprises: an electrode assembly in which a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode are successively stacked multiple times; and a prismatic case in which the electrode assembly is contained. The battery cell comprises a first electrode terminal electrically connected to the first electrode and a second electrode terminal electrically connected to the second electrode. The first electrode terminal and the second electrode terminal extend in opposite directions with reference to the longitudinal direction of the electrode assembly. The first electrode terminal and the second electrode terminal protrude toward the outside of the prismatic case from both ends of the prismatic case, respectively.
Resumen de: WO2025178312A1
The present invention may provide a pressing device including: a plurality of pad members in which a plurality of cell accommodation parts are each formed between two adjacent pad members, to press a plurality of battery cells comprising a curable electrolyte composition in a pressing direction (PD); and an elastic part comprising at least one elastic member arranged between the two adjacent pad members.
Resumen de: WO2025178179A1
This secondary battery inspection apparatus may comprise a sensor module, a detection circuit, a transfer device, a processor, and a memory. The processor may be configured to divide a measured value of a parameter obtained through the detection circuit into a plurality of sections, and identify a defect of a secondary battery for the plurality of sections.
Resumen de: WO2025178183A1
The present disclosure relates to a method and apparatus for inspecting a battery header. A method for inspecting a battery header, according to an embodiment of the present disclosure, is to inspect a battery header comprising: a base; a pin passing through the top surface and the bottom surface of the base; and a glass sealing for insulating the base and the pin, and comprises the steps of: inspecting the dimensions of the battery header; inspecting an electrolyte inlet formed in the base; inspecting surface scratches of the battery header; inspecting insulation between the pin and the base by bringing electrodes into contact with the pin and the base, respectively; inspecting a glass sealing state between the pin and the base from the top; and inspecting a glass sealing state between the pin and the base from the bottom.
Resumen de: WO2025178164A1
The present invention relates to a battery cell and a battery module comprising same, and solves the technical problem of providing a battery cell capable of improving energy efficiency for the same volume and weight, and a battery module comprising same. To this end, the present invention provides a battery cell comprising: an electrode assembly; a cell case accommodating the electrode assembly; and a cap plate coupled to the cell case and sealing the cell case, wherein the cell case includes a first case body and a second case body made of a material different from that of the first case body.
Nº publicación: WO2025178162A1 28/08/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
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Resumen de: WO2025178162A1
The present invention relates to a secondary battery having a structure in which a plurality of electrode assemblies is stacked and a manufacturing method thereof. The technical problem to be solved is to propose a secondary battery having a structure in which a plurality of electrode assemblies is stacked within one battery case, so as to be alternatively utilized in an application of configuring and using a battery module/pack by stacking secondary batteries. To this end, the present invention provides a secondary battery comprising: a secondary battery case; a plurality of electrode assemblies which are vertically stacked and embedded in the case and each of which has an electrode tab; a current collecting part connected to each electrode tab of the plurality of stacked electrode assemblies; and a cap plate which is bonded to the case and with which a terminal connected to the current collecting part is assembled.
BOPI
Sede Electrónica
