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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 750 a 775 de 1724
Resumen de: WO2026054437A1
The tension control system of a roll-to-roll facility related to the present embodiment may comprise: a load cell which comprises an unwinder provided to unwind a substrate, a rewinder provided to wind the substrate, and transfer rolls arranged between the unwinder and the rewinder to guide travelling of the substrate, and is provided to measure a vertical load of the travelling substrate; a friction coefficient measuring unit provided to measure a friction coefficient between the travelling substrate and the transfer rolls; a dancer roll which guides the travelling of the substrate and is provided to be movable in a direction perpendicular to the width direction of the substrate; and a tension controller provided to receive a measured value input from the load cell and a measured value input from the friction coefficient measuring unit to control operation of the dancer roll so as to control tension of the travelling substrate.
Resumen de: WO2026054440A1
The present invention relates to a cathode active material, and a cathode and a lithium secondary battery which comprise the cathode active material. The cathode active material comprises: a lithium iron phosphate-based compound having an olivine structure; and a coating portion formed on the lithium iron phosphate-based compound and containing carbon and nitrogen, wherein the value of X1 according to equation 1 described in the present specification is 0.550-0.850, and the value of X2 according to equation 2 described in the present specification is 0.0030-0.0065.
Resumen de: WO2026054405A1
According to exemplary embodiments of the present invention, provided is a battery pack. The battery pack comprises: a pack housing including a base plate; a cooling channel which is in the base plate and includes a first sub-flow path and a main flow path for supplying cooling water to the first sub-flow path; a first battery cell assembly which is on the base plate and overlaps the first sub-flow path in a first direction; and a blocking member located inside the first sub-flow path, wherein the blocking member may include a bimetal part comprising a first metal and a second metal which are arranged in the first direction and which have different coefficients of thermal expansion.
Resumen de: WO2026052148A1
Provided in the present application are a positive electrode material, a positive electrode sheet, and a secondary battery. The positive electrode material contains an element M, the element M being selected from at least one metal element in groups IA and IIA in the periodic table of elements; the distribution of the element M among particles satisfies: 1.2≤X2/X1≤20, wherein X1 is the concentration of the element M at a central region of the particles and X2 is the concentration of the element M at a surface layer region of the particles; and the surface of the positive electrode material contains nitrate ions, and the amount of nitrate ions is N1, wherein 10 ppm≤N1≤100 ppm. The positive electrode material of the present application has high structural stability and few microcracks, and a stable interface protection layer can be formed on the surface of the positive electrode material, reducing the occurrence of side reactions between an electrolyte and the surface of the positive electrode material, and thereby comprehensively improving the capacity and cycle performance of a battery prepared using the positive electrode material while also improving gas production performance.
Resumen de: WO2026052149A1
Provided in the present application are a positive electrode material, a positive electrode pole piece thereof, and a secondary battery. The positive electrode material comprises a plurality of particles. At least some of the particles have micro-cracks. The size of the micro-cracks is 0.5 nm to 30 nm. The proportion of the number of the particles having micro-cracks in the total number of particles of the positive electrode material is 1.5% to 13%. The method for measuring the proportion comprises: performing a scanning electron microscope test on the positive electrode material to obtain a scanning electron microscope image, selecting 300 positive electrode material particles from the scanning electron microscope image, and counting the number of positive electrode material particles having micro-cracks to obtain the proportion. The positive electrode material or a positive electrode pole piece using the positive electrode material is applied to a secondary battery, which has significantly reduced gas generation behavior and a relatively high capacity, which can facilitate the improvement of the cycle stability and safety of the secondary battery.
Resumen de: WO2026052145A1
A cleaning apparatus comprising a fan assembly (300), a power supply assembly (600) and a handle (500), wherein a first air channel (500c) is formed inside the handle (500), and the first air channel (500) is configured to communicate the fan assembly (300) with the power supply assembly (600), such that an airflow flows from an accommodating cavity (380b) into an inner cavity of a battery compartment (620); and the fan assembly (300) has a filter member (800) for filtering the airflow that enters the first air channel (500c).
Resumen de: WO2026054449A1
The purpose of the present invention is to provide an apparatus and a method for separating two electrode plates for a secondary battery. According to the present invention, the apparatus for separating two electrode plates for a secondary battery comprises: a pickup main frame (130); and a pickup inversion unit supported by the pickup main frame (130) and configured to pick up one electrode plate (10) among multiple electrode plates (10) stacked in a stack magazine (132) of the pickup main frame (130) and invert the one electrode plate (10). In the present invention, unlike the prior art, electrode plates can be reliably picked up one at a time rather than two at a time, thereby solving the problem of disruptions occurring in the pickup and placement process of secondary battery electrode plates, and further solving the problem of disruptions occurring in the overall manufacturing process of a secondary battery.
Resumen de: WO2026054453A1
The present invention relates to a dry positive electrode comprising a positive electrode active material comprising an overlithiated manganese-rich oxide, and a method for producing same. The positive electrode comprises: a current collector; and a film-shaped positive electrode mixture layer disposed on the current collector and including a positive electrode active material, a fiberized binder, and a conductive material, wherein the positive electrode active material includes a predetermined overlithiated manganese-rich oxide, and the porosity of the positive electrode mixture layer may be 22% or more and less than 28%.
Resumen de: WO2026054441A1
A tension control system of a roll-to-roll facility, according to an embodiment of the present invention, may comprise: an unwinder provided to unwind a substrate; a re-winder provided to wind the substrate; and transfer rolls arranged between the unwinder and the re-winder to guide movement of the substrate. In addition, the tension control system of a roll-to-roll facility may comprise: a friction coefficient measurement unit including a measurement roll having a sensor provided on the surface thereof, wherein the measurement roll is arranged between the transfer rolls to measure a friction coefficient due to friction with the moving substrate; a dancer roll provided to guide the movement of the substrate while moving up and down in a direction perpendicular to the width direction of the substrate so that the tension of the substrate is changed; and a tension controller provided to control the operation of the dancer roll on the basis of the measured value of the friction coefficient measurement unit.
Resumen de: WO2026054446A1
The present invention relates to a cathode active material, and a cathode and a lithium secondary battery comprising same, the cathode active material comprising: an olivine-structured lithium iron phosphate-based compound; and a coating part, which is formed on the lithium iron phosphate-based compound and includes carbon and nitrogen, wherein value (X1) according to formula 1 described in the present specification is 0.930 or greater and value (X2) according to formula 2 described in the present specification is 0.0064-0.0107.
Resumen de: WO2026052154A1
The present application relates to a negative electrode material. The negative electrode material comprises an inner core and a coating layer located on at least part of the surface of the inner core; the inner core comprises a carbon matrix and a silicon material, and at least part of the silicon material is located in the carbon matrix; and the mass content of the coating layer in the negative electrode material is A% and the powder conductivity of the negative electrode material at 20 kN is ρ S/cm, wherein 4≤A*ρ≤30. In the negative electrode material of the present application, the product relationship between the mass content of the coating layer and the powder conductivity of the negative electrode material is controlled to be within a certain range, thus achieving a balance between the thickness of the coating layer and the powder conductivity, and reducing the occurrence of powder conductivity decrease caused by excessive coating layer thickness, such that the negative electrode material can have good powder conductivity while maintaining the advantage, brought about by the coating layer, of a reduction in side reactions.
Resumen de: WO2026052147A1
A cleaning device, comprising a fan assembly (300) and a cover plate apparatus (400). The fan assembly (300) comprises a main housing (350); an accommodating cavity (380b) used for accommodating a filter member (800) is formed within the main housing (350), one end of the main housing (350) along a first direction has an opening (380c), first through holes (380a) are formed on a side wall of the main housing (350), the opening (380c) and the first through holes (380a) are in communication with the accommodating cavity (380b), and the first direction is parallel to the axial direction of the fan assembly (300). The cover plate apparatus (400) is movably mounted on the main housing (350) such that the cover plate apparatus (400) has a first state for covering the opening (380c) or a second state for opening the opening (380c), and when the cover plate apparatus (400) is in the second state, the filter member (800) can be loaded into or removed from the accommodating cavity (380b) through the opening (380c). The cover plate apparatus (400) comprises a cover plate (410) and a display component (900), the display component (900) being mounted on the side of the cover plate (410) facing away from the accommodating cavity (380b) along the first direction.
Resumen de: WO2026052144A1
A cleaning apparatus comprising a fan assembly (300), a handle (500) and a support member (510), wherein the fan assembly (300) comprises a main housing (350) and an electric motor (360), the electric motor (360) being located in the main housing (350); the handle (500) is connected to the lower side of the fan assembly (300); the support member (510) is connected to the lower side of the fan assembly (300) and is spaced apart from the handle (500); and the connection between the handle (500) and the fan assembly (300) is located at the axial front end of the electric motor (360), and the connection between the support member (510) and the fan assembly (300) is located at the axial rear end of the electric motor (360).
Resumen de: WO2026054477A1
A secondary battery according to one embodiment of the present specification comprises: an electrode assembly; an exterior film having an inner space for accommodating the electrode assembly, and an exterior material opening for communicating the inner space with the outside; a cover member for covering the exterior material opening of the exterior film; and a gasket member disposed between the cover member and the exterior film, wherein the gasket member has a plurality of cover sealing parts in contact with the exterior film, the exterior film has a film sealing part on any one surface of surfaces perpendicular to the exterior material opening, and IDV, which is defined as a factor of the sealing length and width of the cover sealing parts and the film sealing part, is 0.5 or more. The secondary battery can ensure safety by inducing a vent direction.
Resumen de: WO2026054403A1
According to exemplary embodiments of the present invention, a pack housing is provided. The pack housing comprises: a base plate which intersects a first direction; a cooling channel which is in the base plate and includes a sub-flow path and a main flow path for supplying cooling water to the sub-flow path; and a blocking member which is inside the sub-flow path, wherein the blocking member may include a bimetal part comprising a first metal and a second metal which are arranged in a second direction that intersects the first direction and which have different coefficients of thermal expansion.
Resumen de: WO2026054485A1
A negative electrode for an all-solid-state battery according to the present invention comprises: a negative electrode current collector; and a negative electrode coating layer disposed on the negative electrode current collector, wherein the negative electrode coating layer comprises carbon material powder, the carbon material powder comprises a carbon material and first metal nanoparticles, the average particle diameter of the first metal nanoparticles is 1 μm or less, and the average particle diameter of the carbon material powder is 100 nm to 2 μm.
Resumen de: WO2026054468A1
The present invention relates to a conductive material dispersion for a secondary battery and a slurry composition comprising same for a secondary battery electrode. Specifically, the conductive material dispersion, which exhibits excellent performance compared with existing dispersants due to the inclusion of a vinyl-based dispersant, can be used for a secondary battery electrode.
Resumen de: WO2026054454A1
The present invention relates to a separator for an electrochemical device and an electrochemical device comprising same. Specifically, the present invention relates to a separator for an electrochemical device and an electrochemical device comprising same, wherein the separator contains substituted polyacrylic acid in a coating layer and thus can improve resistance and cycle performance.
Resumen de: WO2026054354A1
The present invention relates to a separator for an electrochemical device, wherein an aerogel layer containing cellulose nanofibers is provided on a coating layer containing inorganic particles. The separator for an electrochemical device includes a cellulose nanofiber aerogel having high porosity and excellent mechanical strength compared to conventional coating layers made of inorganic materials, and has high mechanical strength, such as high puncture strength, and low resistance.
Resumen de: WO2026054365A1
Provided is an electrode assembly according to exemplary embodiments of the present invention. The electrode assembly comprises, laminated in a first direction, positive and negative electrodes, a separator, and an insulation member, wherein the insulation member comprises one or more holes overlapping the electrode in the first direction. The electrode assembly allows ions to move through the one or more holes and may be in the form of a stack.
Resumen de: WO2026054362A1
The present invention relates to a solid electrolyte membrane and an all-solid-state battery comprising same, and more specifically, comprises: a first solid electrolyte having a particle form and having a first average particle diameter; and a second solid electrolyte having a fine particle form and having a long axis length of 1 μm or less, wherein the first average particle diameter is 2 μm to 10 μm, and the weight ratio of the second solid electrolyte to the total weight of the first and second solid electrolytes is 10 wt% to 30 wt%.
Resumen de: WO2026054317A1
A communication ID allocation system according to an embodiment of the present disclosure comprises a plurality of slave BMSs for storing a plurality of first certificates, respectively, and a master BMS including a certificate chain, wherein the master BMS includes a memory for storing the certificate chain, and a processor for: receiving a plurality of first certificates from the plurality of slave BMSs, respectively, by transmitting a certificate transmission request signal to the plurality of slave BMSs when communication connections to the plurality of slave BMSs are detected; verifying integrity of each of the plurality of first certificates by using the certificate chain; determining the validity of each of the plurality of slave BMSs on the basis of whether the integrity of each of the plurality of first certificates is secured; and allocating first communication IDs to valid slave BMSs among the plurality of slave BMSs.
Resumen de: WO2026054320A1
A battery system, according to one embodiment of the present invention, may comprise: an upper BMS; and a plurality of lower BMSs. Here, the upper BMS and the lower BMSs may be communicatively connected via a communication bus. In addition, each of the lower BMSs may be connected to a filter for reducing communication noise, and the upper BMS may be connected to a compensation circuit for compensating for attenuation of a communication signal caused by the filters.
Resumen de: WO2026054828A2
A method includes charging a battery of a vehicle to a charge threshold voltage. The method also includes discharging the battery from the charge threshold voltage to a post-task voltage by performing a travel task using the vehicle. The method additionally includes determining that a battery calibration condition has been met. The method further includes, based on determining that the battery calibration condition has been met, discharging the battery from the post-task voltage to a discharge threshold voltage by performing a battery discharge task. The method yet further includes determining a capacity of the battery based on a first electrical output of the battery during the travel task and a second electrical output of the battery during the battery discharge task.
Nº publicación: WO2026054394A1 12/03/2026
Solicitante:
GB CYCLE HOLDINGS CO LTD [KR]
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Resumen de: WO2026054394A1
The present invention relates to a recycling method for recovering and recycling battery-grade lithium carbonate (Li2CO3) from waste lithium-ion batteries, and to a system applying same. Recycled lithium carbonate crystals of the present invention have a very high proportion of plate-shaped crystals while having high purity, and thus, battery-grade recycled lithium carbonate can be produced and provided with high economic efficiency.
BOPI
Sede Electrónica
