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1318
resultados
Última actualización
15/03/2026 [07:37:00]
Resultados 550 a 575 de 1318
Resumen de: WO2026048963A1
Provided is a method for producing a sulfide. The sulfide contains Li, P, S, and M as main constituent elements, M being at least one selected from Ge and Sn. The method for producing a sulfide, which is a liquid-phase synthesis method with which it is possible to reduce the amount of organic solvent used, comprises: a first step for obtaining a first solution by adding an Li source, an S source, and an M source to an aqueous solvent in which the amount of an organic solvent is 50 wt% or less; a second step for obtaining a second solution by adding P2S5 as a P source to the first solution; and a third step for removing the aqueous solvent in the second solution and performing crystallization by heat treatment.
Resumen de: WO2026048626A1
Provided is an all-solid-state secondary battery in which a current collector layer and an electrode layer can be reliably brought into contact with each other, and stable battery characteristics can be obtained. An all-solid-state battery 1 comprises: a power storage element 2 having a solid electrolyte layer 3, a positive electrode layer 4, and a negative electrode layer 5; a first current collector layer 6 provided on a main surface 2a on one side of the power storage element 2; a second current collector layer 7 provided on a main surface 2b on the other side of the power storage element 2; and a sealing layer 8 that is provided between the first current collector layer 6 and the second current collector layer 7 and seals the power storage element 2. An internal space 1a surrounded by the first current collector layer 6, second current collector layer 7, and sealing layer 8 is formed. Where the atmospheric pressure of the internal space 1a at 25°C is denoted by P1 and the atmospheric pressure of an external space at 25°C is denoted by P2, the difference between P2 and P1 (P2 - P1) is 10-100 kPa.
Resumen de: US20260066296A1
The present invention relates to an anode active material, a method of manufacturing the anode active material, and an anode and a secondary battery including the anode active material, the anode active material including secondary carbon particles formed by flocculation of a plurality of primary carbon particles having an average particle diameter (D50) in a range from 5 to 200 nm, wherein the secondary carbon particles have an average particle diameter (D50) in a range from 0.5 to 20 μm.
Resumen de: US20260062301A1
The present disclosure relates to a system (100) for manufacturing spheroidized graphite powder, the system includes a feeder (104) adapted to convey primarily crushed particles to a grinding section (106). A first classifier (108) is located at the top portion of the chamber and is configured to receive the milled particles and adapted to separate the milled particles into a first particle and a second particle. A controller (112) operatively coupled to the one or more motors (110), the controller configured to operate the one or more motors at progressively varying RPM, at higher RPM it cuts the rough edges of the particle to form the first fine graphite particle and second shaped graphite particle and when the it RPM decreased to lower level, the surface smoothening of shaped particle process occurs, which results smooth surfaced spherical graphite.
Resumen de: US20260066395A1
The present disclosure relates to a battery assembly comprising a plurality of battery cells, a receiving case configured to accommodate the plurality of battery cells, an insertion space formed between the plurality of battery cells and the receiving case, and a filler member disposed in the insertion space, wherein the filler member comprises a compressible material.
Resumen de: WO2026049676A1
The invention provides a flow battery, the battery comprising a catholyte section comprising a catholyte tank, having a cathode, a catholyte storage compartment and a catalytic column, an anolyte section comprising an anolyte tank, having an anode, and an anolyte storage compartment, an anion-exchange membrane and a current collector, wherein the flow battery suffers from irreversible side-reactions during charging or discharging in the anolyte section; and the catalytic column is configured to house a catalyst capable of catalysing oxygen production when brought into contact with a cathodic redox mediator in an oxidised state. The invention also provides a method of improving a cycling stability of a flow battery, the method comprising the steps of providing the flow battery, subjecting the battery to a plurality of charge and discharge cycles and restoring/preventing a loss of capacity by subjecting the liquid catholyte to an oxygen evolution reaction (OER).
Resumen de: WO2026050594A1
Some variations provide an anode material comprising: silicon monoxide in the form of first particles; and lithium vanadium oxide (LVO) with a composition given by Li a V b O c , wherein a = 0.1-10, b = 1-3, c = 1-9, wherein the Li a V b O c is capable of being reversibly lithiated, wherein the LVO is present in the form of second particles that are physically mixed with the first particles. Other variations provide an anode material comprising: a Si/C composite in the form of first particles; lithium vanadium oxide in the form of second particles, wherein the first particles and the second particles are physically mixed together, wherein the Si/C composite is present in a Si/C concentration from about 1 wt% to about 99 wt%, and wherein the LVO is present in a LVO concentration from about 1 wt% to about 99 wt%. Examples are provided, demonstrating the utility of the disclosed technology.
Resumen de: WO2026050008A1
A device includes a base and a depressible cover. The base defines a battery opening in which to receive a battery having the form factor of a coin-cell. The base includes a retainer located proximate to the battery opening. The depressible cover is disposed in the battery opening and is secured in place against the retainer to prevent removal of the battery from the base while the cover is coupled to the base. The cover includes a detent and a body portion, wherein the cover is releasably secured to the base upon engagement of the body portion with the retainer and engagement of the detent with a shoulder of the base.
Resumen de: WO2026049597A1
A negative electrode active material for a lithium secondary battery according to the present invention comprises: a graphite-based base material; a low-crystallinity carbon coating layer positioned on the surface of the graphite-based base material; and a conductive material included in the coating layer, wherein the content of the low crystalline carbon is 1.0 to 10 wt %, and the content of the conductive material is 0.1 to 1.0 wt %.
Resumen de: WO2026049589A1
The present specification relates to a negative electrode active material, and a negative electrode and a secondary battery comprising the same. According to one embodiment of the present invention, provided is the negative electrode active material comprising: a silicon-based active material; and a coating layer provided on the silicon-based active material, wherein the silicon-based active material comprises one or more selected from the group consisting of Si, SiOx (0
Resumen de: WO2026049600A1
The present invention relates to a positive electrode active material capable of implementing a battery with improved initial capacity characteristics and lifespan characteristics, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium nickel-based oxide and has an average KAM value (total sum of KAM values of all pixels/total number of pixels) of 0° (exclusive) to 1.0° (inclusive), obtained from a kernel average misorientation map (KAM Map) derived from electron backscatter diffraction (EBSD) analysis.
Resumen de: WO2026049572A1
A solid electrolyte-electrode assembly, as well as an all-solid-state battery including the assembly are described. For instance, a solid electrolyte-cathode assembly can be formed by co-rolling a plurality of cathode particles and a plurality of solid electrolyte particles, which results in the simultaneous production of the assembly and makes it possible to achieve improved interface resistance between the electrolyte membrane and electrode to improve battery performance. Also, the resulting electrolyte can be thin, which improves the energy density, while also maintaining excellent strength by using an electrode as a support.
Resumen de: WO2026049567A1
The present invention provides a positive electrode active material comprising at least one of a single particle consisting of one nodule and a quasi-single particle which is a composite of 30 or fewer nodules, wherein the degree of single crystallization defined by formula (A) is 2.7 or more. Formula (A): Degree of single crystallization = Formula I In formula (A), Ri is a radius of an i-th grain measured when a cross-section of an electrode is subjected to electron backscatter diffraction (EBSD) analysis after ion milling treatment of the electrode manufactured by applying the positive electrode active material, and is a value measured in units of ㎛, but the value substituted into formula (A) is a unitless number that does not include a unit, and n is a total number of grains measured through the electron backscatter diffraction (EBSD) analysis.
Resumen de: WO2026049568A1
The present invention relates to a cathode active material comprising: 80 mol% or more of nickel among all metals excluding lithium; and at least one type of doping elements, wherein the at least one type of doping elements has an average value of a first doping uniformity index as defined by equation 1, measured for individual doping elements, of 16% or less, and a particle strength of 121 MPa or more. Equation 1First doping uniformity index=NSD/Navg wherein, in equation 1, NSD is a standard deviation value of a molar ratio of the individual doping elements to Mn in the entire cathode active material, and Navg is an average value of a molar ratio of the individual doping elements to Mn in the entire cathode active material.
Resumen de: WO2026049173A1
The present invention relates to a method for producing a biomass-based eutectic solvent exhibiting an excellent extraction effect on metal components from waste batteries, a eutectic solvent produced thereby, and a method for recovering resources from waste batteries using same.
Resumen de: WO2026049134A1
The present invention relates to an all-solid-state battery and a method for manufacturing same and, more specifically, to an all-solid-state battery comprising: an electrode assembly in which at least one unit cell is stacked; and a pouch for packaging the electrode assembly. The unit cell includes a positive electrode, a negative electrode, and a solid electrolyte between the positive electrode and the negative electrode, and the pouch includes an insulating layer and a metal layer on the insulating layer, the insulating layer containing a polymer resin and a heat absorbing material dispersed in the polymer resin, wherein the endothermic initiation temperature of the heat absorbing material is 170°C to 300°C.
Resumen de: WO2026049129A1
This washing composition for a solid electrolyte slurry comprises a compound represented by chemical formula 1 below:
Resumen de: WO2026049130A1
The present invention relates to a pouch-type all-solid-state battery comprising: an assembly comprising a positive electrode a solid electrolyte layer and a negative electrode; a first substrate tab protruding from the positive electrode; a second substrate tab protruding from the negative electrode; a first lead tab electrically connected to the first substrate tab; a second lead tab electrically connected to the second substrate tab; a bonding portion provided in the space between the first base tab and the first lead tab and/or the space between the second base tab and the second lead tab; and a pouch case accommodating the assembly. The first and second lead tabs are exposed to the outside of the pouch case, and the bonding portion includes a metal having a melting point lower than 250 °C.
Resumen de: WO2026049165A1
A battery assessment device, according to some embodiments, may comprise: a chamber which provides a space for assessing a battery; a sensor which detects whether a fire occurs in the battery; and a water supplier which, when the sensor detects a fire, sprays a coolant into the chamber so that the battery is immersed. Accordingly, some embodiments of the present invention enable completely extinguishing a fire within a short time while preventing damage to the chamber.
Resumen de: WO2026049116A1
The present invention relates to a fire suppression system for an electric vehicle, the system being characterized by comprising: a battery pack (100) disposed and installed on the bottom of a vehicle body of an electric vehicle (10); a pack case (200) installed to surround the outside of the battery pack (100) so that a passage (210) is provided at a predetermined distance from the surface, bottom surface, and four edge surfaces of the battery pack (100); a fire extinguishing agent supply pipe (220) installed on the outer surface of one side of the pack case (200) so that one end is connected to the passage (210); and an automatic fire extinguishing spray device (300) which includes a tank filled on the inside with a fire extinguishing agent for fire suppression, such as a fire extinguishing liquid or a fire extinguishing gas, and is installed on one side of the outside of the pack case (200) by being connected to the other end of the fire extinguishing agent supply pipe (220) to inject the fire extinguishing agent filled therein into the passage (210) between the pack case (200) and the battery pack (100) by means of an opening and closing valve, operated in conjunction with a fire alarm system, when a fire occurs. The system rapidly extinguishes thermal runaway of the battery pack (100) in an early stage when a fire occurs.
Resumen de: WO2026049243A1
The present invention provides a development view of a separator stacked together with a first electrode and a second electrode, and a structure of an electrode assembly including the separator. According to the present invention, a first region and a second region, which are alternately repeated and connected in series, are defined in the development view of the separator, and the separator is folded so that the first region and the second region alternately and repeatedly overlap each other in a thickness direction.
Resumen de: WO2026049231A1
The present specification relates to a method for preparing a positive electrode active material for a lithium secondary battery, and more specifically to a method for preparing a positive electrode active material for a lithium secondary battery, the positive electrode active material having excellent electrical conductivity and energy density.
Resumen de: WO2026049230A1
The present invention relates to a battery cell aging device comprising: a main body having a hollow in which a battery cell is accommodated; a heater positioned on the inner surface or in the interior of the main body to control the temperature of the battery cell; and a sensor being in contact with a part of the battery cell to measure the temperature thereof.
Resumen de: WO2026049196A1
The present invention relates to a negative electrode for a lithium metal battery and a lithium metal battery including same. More specifically, the negative electrode for a lithium metal battery according to the concept of the present invention includes: a negative electrode current collector; and a negative electrode host layer on the negative electrode current collector, wherein the negative electrode host layer includes a carbon material and a coating layer on the surface of the carbon material. The coating layer includes a lithiophilic material. The negative electrode host layer has a structure including a plurality of pores.
Nº publicación: WO2026049212A1 05/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
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Resumen de: WO2026049212A1
Provided is a solid secondary battery in which performance degradation due to charging and discharging is suppressed without the application of external pressure, or under low confining pressure. The solid electrolyte layer has an assumed shear strength of 15-70 MPa.
BOPI
Sede Electrónica
