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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 350 a 375 de 1314
Resumen de: WO2025179677A1
A composite copper foil and a production process therefor, relating to the technical field of copper foil manufacturing. The composite copper foil comprises a substrate (70) and copper plated layers (80) provided on two sides of the substrate. The production process comprises: first, placing a substrate (70) into an acid tank (11), such that the surface of the substrate (70) is slightly corroded and thus coarsened; then using a moving mechanism (20) to take out the substrate (70) and using a rinsing assembly (30) to rinse same; then the moving mechanism (20) feeding the substrate (70) into an alkaline tank (12) for oil removal and, by means of a negative-pressure fan, air-drying the substrate (70) that has undergone the oil removal; then attaching a reducing agent to the substrate (70) and, in a chemical plating mode, soaking the substrate (70) in a reaction tank (90) filled with an electrolyte, such that elemental copper in the electrolyte is attached to the substrate to form copper plated layers; then increasing the thickness of the copper plated layers in a horizontal plating mode; and finally, attaching a negative electrode material to the copper plated layers, so as to complete the manufacturing of the composite copper foil. The copper plated layers have uniform thickness, and the copper foil exhibit good corrosion resistance and thermal conductivity.
Resumen de: WO2025179555A1
The present application provides a battery cell. The battery cell comprises a multi-layer structure formed of positive electrode sheets, negative electrode sheets and separators, wherein each separator is arranged between a positive electrode sheet and a negative electrode sheet. The battery cell can provide a charging rate greater than or equal to 2C. The multi-layer structure at least comprises a non-planar region, wherein in the non-planar region, the distance L1 between inner opposite surfaces of any adjacent positive and negative electrode sheets at any position has an appropriate value, such that the battery cell has an acceptable cycle life at the charging rate.
Resumen de: WO2025183020A1
This secondary battery comprises: a positive electrode; a negative electrode; a separator that is disposed between the positive electrode and the negative electrode; and a nonaqueous electrolyte solution. At the negative electrode, a metal that is a negative electrode active material is deposited during charging, and the metal is dissolved in the nonaqueous electrolyte solution during discharging. The separator comprises a sheet-shaped base material and a spacer that is disposed on the main surface of the base material. The spacer contains a resin. The degree of swelling of the spacer with respect to the nonaqueous electrolyte solution is 1.1 times to 2 times inclusive.
Resumen de: WO2025182565A1
This laminate includes a base material layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and a sealant layer that are sequentially laminated. The second adhesive layer includes an acid-modified polyolefin-based adhesive. The elastic modulus obtained by force curve measurement of the second adhesive layer in a cross section of the laminate in an 80°C environment using a scanning probe microscope is 3 MPa-100 MPa inclusive.
Resumen de: WO2025182546A1
A secondary battery positive electrode 5 according to the present disclosure comprises a positive electrode current collector 5a and a positive electrode active material layer 5b supported by the positive electrode current collector 5a. The positive electrode active material layer 5b includes: active material particles; and solid particles containing boron and phosphorus. The solid particles may contain boron phosphate. The ratio of the mass of the solid particles to the mass of the active material particles is, for example, in the range of 0.1 to 4 mass%.
Resumen de: WO2025182622A1
A battery (10) is provided with: a positive electrode lead (20) having a joint part (75) joined to a positive electrode core body-exposing part (35) where a positive electrode core body (30) is exposed in a positive electrode (11); and a tape (70) that is attached closer to the tip-end of the positive electrode lead (29) than the joint part (75), and includes a core body-side covering part positioned between the positive electrode lead (29) and the positive electrode core body-exposing part (35). The positive electrode lead (20) has a protrusion (75) that protrudes from the tape (70) in the positive electrode width direction.
Resumen de: WO2025182621A1
This battery (10) comprises: an electrode body in which a long positive electrode (11) and a long negative electrode are wound with a separator therebetween; an outer can that houses the electrode body; and a positive electrode lead (20) that is joined to a positive electrode core exposed part (35) in which a positive electrode core (30) is exposed in the positive electrode (11). The positive electrode core (30) is provided with a through-hole (70) that includes a facing part (70a) that faces a tip part (20a) of the positive electrode lead (20) in the thickness direction thereof.
Resumen de: WO2025181935A1
Provided is a watertight electrical discharge container capable of maintaining safety when the temperature of a built-in battery rises abnormally. A watertight electrical discharge container 10 has a battery 12 built in and comprises a pipe 14, a solenoid valve 16, a detection device 18, and an emergency energy discharge system 20. The pipe 14 supplies water to the interior of a container housing 22. The solenoid valve 16 opens and closes a water supply passage 16a. The detection device 18 detects and measures the voltage, the current, and the temperature of the battery 12 inside the container housing 22, and detects and measures smoke inside the container housing 22. When the detection device 18 detects an abnormal voltage, an abnormal current, or an abnormal temperature, or detects smoke inside the container housing 22, the emergency energy discharge system 20 closes an electric switch 12b to electrically discharge battery energy to an electrical discharge resistor 12a, and opens the solenoid valve 16 for opening and closing the water supply passage 16a to issue a command to introduce water into the container housing 22.
Resumen de: WO2025181602A1
An electrolyte for electrochemical devices with an alkali-metal anode having an anode-active material comprising an alkali metal is disclosed in which the electrolyte includes at least one sulfonyl solvent and a co-salt system. The co-salt system includes a lithium cation primary salt at a relatively high concentration and a secondary salt at a relatively low concentration. The secondary salt and its concentration are selected to increase the solubility of the primary salt. The concentration of the secondary salt may be increased to increase the solubility of the primary salt until the presence of the secondary salt begins to diminish the overall performance of the electrolyte. The primary salt may comprise two or more lithium cation salts and the secondary salt may comprise two or more salts.
Resumen de: WO2025181635A1
Provided are a secondary battery excellent in impact resistance, and a manufacturing method therefor. This secondary battery includes a positive electrode, a negative electrode, and an exterior body. The secondary battery includes a first positive electrode lead, a second positive electrode lead, a first negative electrode lead, and a second negative electrode lead on a first side of the exterior body, and has a fixing part on a second side of the exterior body. The first positive electrode lead and the second positive electrode lead are respectively connected to two protruding parts provided in the positive electrode, and the first negative electrode lead and the second negative electrode lead are respectively connected to two protruding parts provided in the negative electrode. The fixing part holds the exterior body so as to crush the internal space of the secondary battery from the outside of the exterior body.
Resumen de: WO2025180541A1
Provided in the present application are a negative electrode material and a battery. The negative electrode material comprises graphite and a carbon layer located on at least part of the surface of the graphite. The particle surface and the particle cross section of the negative electrode material are separately tested by means of Raman spectroscopy; the ratio of the peak area of a characteristic peak D within the range of 1300 cm-1 to 1350 cm-1 to the peak area of a characteristic peak G within the range of 1500 cm-1 to 1580 cm-1 is ID/IG; and the value of the ratio ID/IG of the particle surface of the negative electrode material is measured to be A, the value of the ratio ID/IG of the particle cross section of the negative electrode material is B, and 1.22
Resumen de: WO2025183636A1
The present invention relates to an electrochemical cell comprising: an anode comprising potassium (K), sodium (Na), and carbon (C); a cathode comprising polysulfide; and a catholyte comprising amide. The present invention also relates to an electrochemical cell comprising: an anode comprising K-Na liquid alloy and carbon powder; a cathode comprising K2S8; and a catholyte comprising acetamide and ε-caprolactam. The present invention also relates to a use of an electrochemical cell as disclosed herein for energy storage.
Resumen de: WO2025184462A1
An anode for an energy storage device includes a current collector, a first lithium storage layer overlaying the current collector, and a second lithium storage layer overlaying the first lithium storage layer. The first lithium storage layer includes an alloying lithium storage material and the second lithium storage layer includes a non-alloying metal compound lithium storage material selected from a conversion-type material or an intercalation -type material. A battery cell may include the anode, a cathode, and an electrolyte interposed between the anode and cathode. The electrolyte may optionally include a solid-state electrolyte.
Resumen de: WO2025184331A1
According to one aspect of the invention, a low voltage energy management system for a vehicle is provided. The system includes a low voltage battery; a battery sensor connected to the low voltage battery; a high voltage battery; a controller configured to: in response to a wake-up condition, waking the controller and battery sensor from a sleep state; in response to a recalibration condition, recalibrating the battery sensor; in response to a charging entry condition, charging the low voltage battery with the high voltage battery; and in response to a charging exit condition, stopping the charging of the low voltage battery and putting the controller and battery sensor into the sleep state.
Resumen de: WO2025184241A1
Aspects of the present disclosure are related to systems and methods for performing at least one test to simulate at least one environmental condition on at least one battery pack. A controller can execute a test comprising applying a condition to a battery pack comprising (i) a plurality of battery cells and (ii) a coolant; receive, from a sensor, data regarding at least one parameter associated with at least one of the battery pack or the coolant; determine, using the data from the sensor, a classification of the coolant for use with the plurality of battery cells; and provide an output regarding the test based on the classification of the coolant.
Resumen de: WO2025183876A1
The present disclosure provides a method for heating a dual stack fuel cell system of a vehicle. The method may include receiving a heat power request from a first fuel cell stack, receiving a first temperature of the first fuel cell stack and a second temperature of a second fuel cell stack, initiating, responsive to the first temperature and the second temperature indicating that the first fuel cell stack and the second fuel cell stack are frozen, a freeze-start thermal operating mode for the first fuel cell stack, and transferring, during the freeze-start thermal operating mode for the first fuel cell stack, heat from a brake resistor to the first fuel cell stack.
Resumen de: WO2025183526A1
Provided is a battery pack that improves upon conventional heat sink-based cooling methods by directly cooling battery cells while preventing temperature deviations between the battery cells, due to the positions thereof, within the battery pack. The battery pack of the present invention includes: a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein the outer frame and the partition frame are provided with flow paths through which a cooling fluid can flow, and distribution holes and return holes in communication with the flow paths, so that the cooling fluid flows toward the battery cell assemblies to directly cool the battery cells therein.
Resumen de: WO2025183525A1
The present invention relates to a battery module comprising: a cell assembly comprising a plurality of batter cells; a module case accommodating the cell assembly; and a thermally conductive adhesive interposed between the cell assembly and module case, and having a heat transfer-blocking section at least a portion of which undergoes pyrolysis at a reference temperature and incrementally expands.
Resumen de: WO2025183534A1
The secondary battery according to an embodiment of the present invention may comprise: an electrode assembly; a first exterior material which surrounds the electrode assembly to seal the electrode assembly; a second exterior material, at least a portion of which is spaced apart from the first exterior material, the second exterior material surrounding the outer surface of the first exterior material; and an electrode lead electrically connected to the electrode assembly and extending from the inside of the first and second exterior materials to the outside.
Resumen de: WO2025183540A1
The present specification relates to a carbon nanotube dispersion solution, an electrode slurry composition comprising same, an electrode comprising same, and a secondary battery comprising same, the solution including: carbon nanotubes; a first dispersant comprising a polyvinyl butyral resin in which the content of a repeating unit containing a hydroxyl group is 15 to 30 wt%; a second dispersant comprising an amine group or an imine group; and an alcohol-based solvent.
Resumen de: WO2025183508A1
The present invention relates to a battery assembly and, more specifically, to a battery assembly including rechargeable batteries capable of charging/discharging. A battery assembly according to an embodiment of the present invention includes: a plurality of rechargeable batteries; and a housing accommodating the plurality of rechargeable batteries. Each of the rechargeable batteries includes: an electrode assembly; an accommodation unit which accommodates the electrode assembly; an exterior cladding having an exterior cladding opening which communicates the inner space of the accommodation unit with the outside; and a cover member covering the exterior cladding opening, wherein parts of the exterior cladding overlap each other to form an exterior cladding overlapping part, and the exterior cladding overlapping part may be in close contact between the accommodation unit and the housing or between the accommodation unit and a neighboring rechargeable battery.
Resumen de: WO2025183491A1
The electrode for a secondary battery according to an embodiment of the present disclosure includes: an electrode current collector; electrode mixture layers on both surfaces of the electrode current collector; and insulating layers on both surfaces of the electrode current collector, wherein the electrode for a secondary battery has an α value of 0 to 1 according to Equation 1 below. Equation 1 In Equation 1 above, α is a foil curl parameter, TAis the thickness value in micrometers (μm) of the insulating layer on one surface of the current collector, TB is the thickness value in micrometers (μm) of the insulating layer on the other surface of the current collector, and W is the width value in millimeters (mm) of the insulating layer. According to an embodiment of the present disclosure, it is possible to alleviate problems caused by foil curl in an electrode for a secondary battery.
Resumen de: WO2025183483A1
The present invention comprises: a current collector delamination step for separating a current collector from a negative electrode active material layer by treating, with an organic solvent, a negative electrode determined to be defective during a battery manufacturing process; and a drying step for removing the remaining aqueous solvent by performing heat treatment on the negative electrode active material layer separated from the current collector, and thus can effectively recycle electrode material determined as waste during the battery manufacturing process.
Resumen de: WO2025183518A1
The present invention relates to a method for regenerating a cathode active material, and a regenerated cathode active material prepared thereby. The method comprises the steps of: a) heat-treating, at 300-650 °C, a waste cathode, which has a cathode active material layer formed on a current collector, so as to thermally decompose a binder and a conductive material in the cathode active material layer, thereby separating the current collector from the cathode active material layer and recovering a cathode active material in the cathode active material layer; b) heat-treating the recovered cathode active material again at 350-700 °C for 1-10 hours; c) adding a lithium precursor to the reheated cathode active material and annealing same at 500-1,000 °C; d) washing the annealed cathode active material with a washing solution; and e) surface-coating the washed cathode active material with a coating agent.
Nº publicación: WO2025183516A1 04/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
SAMYANG CORP [KR]
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\uC8FC\uC2DD\uD68C\uC0AC \uC0BC\uC591\uC0AC
Resumen de: WO2025183516A1
The present invention relates to an electrolyte for use in a lithium-sulfur battery, the electrolyte comprising a non-aqueous solvent, a first lithium salt, a second lithium salt, an inorganic nitrate, and an organic nitrate, wherein the non-aqueous solvent comprises an acyclic ether and a conjugated heterocyclic compound, thereby achieving the improvement in coulombic efficiency and lifespan of the lithium-sulfur battery.
BOPI
Sede Electrónica
