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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 700 a 725 de 1190
Resumen de: WO2026213827A1
A secondary battery with improved cycle performance and an electronic device. The secondary battery comprises a negative electrode sheet and an electrolyte. The negative electrode sheet comprises a negative current collector, a first negative electrode material layer and a second negative electrode material layer, wherein in the thickness direction of the negative electrode sheet, the first negative electrode material layer is disposed between the negative current collector and the second negative electrode material layer; the second negative electrode material layer comprises a second negative electrode active material; and the second negative electrode active material comprises silicon that accounts for a content percentage by mass WS2 relative to the mass of the second negative electrode active material. The electrolyte comprises a fluorinated compound that accounts for a content percentage by mass WF relative to the total mass of the electrolyte; and WS2 and WF satisfy the following relationship: 0.5≤WF/WS2≤2.85.
Resumen de: US20260321758A1
A fire detector includes: a detection device; a cover member surrounding the detection device; and a conductor wire positioned such that one side thereof contacts at least one area of the cover member, wherein the cover member comprises a mesh, and another side of the conductor wire is grounded.
Resumen de: US20260318796A1
0000 The present disclosure relates to a rupture pressure measurement apparatus and is directed to providing a rupture pressure measurement apparatus capable of measuring a rupture pressure of a secondary battery in an environment similar to an actual ignition situation. To this end, the present disclosure provides a rupture pressure measurement apparatus including a chamber provided with a secondary battery therein, a heating unit that heats the secondary battery, a pressing unit that presses the secondary battery until the secondary battery is ruptured, and a main sensor that measures a rupture pressure of the secondary battery when the secondary battery is ruptured.
Resumen de: US20260321734A1
0000 A solid-state battery includes: a first electrode layer containing a first electrode active material; an electrolyte layer containing a solid electrolyte and disposed on the first electrode layer; and a second electrode layer containing a second electrode active material and disposed on the electrolyte layer. An Sdr of a surface of the first electrode layer in contact with the electrolyte layer is 9.2% or more.
Resumen de: US20260321761A1
0000 Provided is a method for producing a precursor of a positive electrode active material in which uneven distribution of Mn in the center portion of particles is suppressed. The method for producing a precursor of a positive electrode active material of the present disclosure includes a step of adding a raw material solution containing Ni, Co, Mn, ammonia, an ammonium ion, and a carbonate ion to a precipitation solution to precipitate a carbonate containing Ni, Co, and Mn. The concentration of ammonia in the precipitation solution is lower than the concentration of ammonia in the raw material solution.
Resumen de: US20260321749A1
0000 A conversion system and method therefor are provided, the system including: battery management systems (BMSs), each utilizing a communication protocol, such as e.g., Modbus (RTU/TCP), CAN Bus, SMBus, BLE; a control unit utilizing a communication protocol different from that utilized by at least one of the BMSs, and a smart hardware adaptor operatively connected between the BMSs and the control unit. The adaptor stores a mapping table mapping data between each of the protocols of the BMSs and the protocol of the control unit, and is configured to receive signal(s) from the BMSs and reformat the signal(s) to the protocol of the control unit and to receive signal(s) from the control unit and reformat the signal(s) to a protocol of a corresponding one of the BMSs, according to the mapping table.
Resumen de: WO2026214223A1
Disclosed in the present application are a battery cell, a battery apparatus and an electric apparatus. The battery cell comprises a positive electrode sheet, which comprises a positive-electrode current collector and a positive-electrode film layer located on at least one side of the positive-electrode current collector, wherein the positive-electrode film layer comprises a positive-electrode active material; the positive-electrode active material has a single-particle morphology; and a particle size distribution curve of the positive-electrode active material shows a bimodal distribution, wherein a mode value of one mode ranges from 2 μm to 4 μm, and a mode value of the other mode ranges from 4.5 μm to 7.5 μm. The battery cell provided in the embodiments of the present application takes into consideration both a high energy density and a high dynamic performance.
Resumen de: US20260321730A1
0000 Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, a composition can include between about 2 wt % and about 15 wt % of a fluoroether, a first electrolyte solvent, and a second electrolyte solvent different from the first electrolyte solvent. The composition can further include a first salt including hexafluorophosphate ions and a second salt different from the first salt. The first salt and the second salt collectively have a concentration between about 5 wt % and about 30 wt %. The composition further includes about 0.5 wt % to about 1.5 wt % of a first additive and about 0.5 wt % to about 1.5 wt % of a second additive, the second additive different from the first additive. In some embodiments, the composition can include between about 10 wt % and about 76 wt % of the first electrolyte solvent.
Resumen de: US20260321756A1
The battery system 1 includes plural battery modules 10 connected to a load 100 and includes a control device 60. The battery module 10 includes a pre-charge unit 40 having a pre-resistance 41. The control device 60 includes a pre-charge process executing part 67 that executes a pre-charge process on each one battery module 10 of the plural battery modules 10 one by one. The control device 60 further includes a time obtaining part 64 that obtains a cooling time TC being an elapsed time since a previous pre-charge process is performed on a previous hierarchy No. 1 battery module on which the pre-charge process is firstly executed when the previous connection to the load 100 is performed, and includes an order deciding part 65 that decides the order to inhibit the pre-charge process from being executed firstly on the previous hierarchy No. 1 battery module when the cooling time TC is equal to or less than a reference time TD. Accordingly, it is possible to suppress a deviation of the deteriorations of the pre-resistances.
Resumen de: DE102025114728A1
Verfahren zur Branderkennung in einer Batterie (2), umfassend die Schritte: Bereitstellen eines Batteriegehäuses (4) mit einem Ventil (5), insbesondere einem Venting-Ventil,Detektieren eines Druckanstiegs im Batteriegehäuse (4) infolge eines Zellbrands mittels eines Druckschalters (6),Erzeugen eines Branderkennungssignals mittels einer Steuereinheit (7) basierend auf einem Signal des Druckschalters (6).
Resumen de: KR20260150313A
본 발명은 전고체 이차전지의 고체 전해질에 있어서, 양극 활물질을 포함하는 양극 합제가 도포된 양극 집전체; 음극 활물질을 포함하는 음극 합제가 도포된 음극 집전체; 및 상기 양극 집전체 및 상기 음극 집전체 사이에 배치되어, 상기 양극 집전체 및 상기 음극 집전체 사이를 이동하는 이온의 경로를 형성하는 매트릭스와, 실리콘이 도핑된 NBR를 가지는 바인더를 포함하는 고체 전해질에 의해 달성될 수 있다. 본 발명에 의하면, NBR에 기반한 바인더를 사용하여 제조되는 고체 전해질에 이크릴레이팅 처리를 함으로써, 기존 NBR 고체 전해질 바인더 대비 접착력, 연신율 및 강도를 좀더 개선시키고, 이온전도성, 전기안정성 및 산화안정성도 향상시킨 고체 전해질 및 이를 포함하는 전고체 이차전지를 제공할 수 있다.
Resumen de: WO2026216154A1
Provided is a positive electrode active material for a lithium ion battery, which is expressed by a composition represented by the following formula (1): LiaNibCocMndMeOf. (In the formula (1), M is Nb and W, or Nb and Ta, 1.0 ≤ a ≤ 1.07, 0.88 ≤ b ≤ 0.92, b + c + d + e = 1, 1.8 ≤ f ≤ 2.2, and 0.005 ≤ e/(b + c + d + e) ≤ 0.007.) The positive electrode active material for a lithium ion battery has a crystallite size of the (003) plane of 420-570 Å and a 50% cumulative volume particle size D50 of 5-8 μm.
Resumen de: KR20260150412A
0001a 본원발명은 프레임을 이송하는 이송부, 상기 프레임에 홈을 형성하는 가압부, 및 상기 이송부를 통해 이송되는 상기 프레임의 위치 및 틀어짐을 감지하는 센싱부를 포함하고, 상기 가압부는 원통형의 본체부, 및 상기 본체부의 표면에 형성된 복수의 돌기들을 포함하는 전고체전지용 프레임 제조장치에 관한 것이다.
Resumen de: WO2026214535A1
The present application provides a solid-state battery, a solid-state electrolyte membrane, a preparation method for the solid-state electrolyte membrane, and an electric device. The solid-state battery comprises a positive electrode layer, a solid-state electrolyte membrane, and a negative electrode layer, wherein the solid-state electrolyte membrane is located between the positive electrode layer and the negative electrode layer; the solid-state electrolyte membrane comprises a porous support and a solid-state electrolyte, the solid-state electrolyte is provided in pores of the porous support, and the tensile strength of the porous support is greater than the tensile strength of the solid-state electrolyte membrane.
Resumen de: WO2026214237A1
The present application provides a secondary battery and a manufacturing method therefor, and an electric device. The secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises: a negative electrode current collector; and a negative electrode active material layer, the negative electrode active material layer being located on at least one side of the negative electrode current collector, and the porosity of the negative electrode active material layer being 35% to 45%.
Resumen de: WO2026216696A1
The present invention relates to a positive electrode for a lithium-sulfur battery and a lithium-sulfur battery comprising same. The positive electrode for a lithium-sulfur battery comprises: a positive electrode current collector; and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector, wherein the positive electrode active material layer includes a positive electrode active material including a sulfide-based composite, a solid electrolyte, and a polymer composite, the sulfide-based composite includes a sulfur-based material, a metal halide salt, and a carbon-based material, and the polymer composite is derived from a mixture of a nitrile-based compound, an acrylate-based compound, and a lithium salt.
Resumen de: DE102025114304A1
Es wird ein Verfahren zum Betrieb einer Hochvoltbatterie (100), insbesondere einer Traktionsbatterie eines Kraftfahrzeugs (200), vorgeschlagen, wobei ein Kommunikationsmodul (1) der Hochvoltbatterie (100) in regelmäßigen Zeitabständen drahtlos Informationen zum Zustand der Hochvoltbatterie (100) sendet.
Resumen de: US20260317858A1
A method for recovering copper that is capable of separating and recovering Cu with high selectivity from an object containing Ni, Co, and Cu is provided. The method for recovering copper of the present disclosure includes a first ammonia leaching step of leaching an object containing Ni, Co, and Cu as metals using first ammonia water having a concentration of 2.5 mol/L or less to obtain an aqueous phase containing Cu and a solid residue. The leaching in the first ammonia leaching step is performed in the presence of oxygen.
Resumen de: US20260321762A1
Provided is a method capable of simply separating Li, Ni, Co, and Cu from an object containing a water-soluble Li compound, Ni, Co, and Cu, and in which the leaching agent is suitable for reuse. The method for recovering valuable metals of the present disclosure includes a Li, Cu leaching step of leaching Li and Cu into a first aqueous phase by ammonia leaching from an object containing a water-soluble Li compound, Ni, Co, and Cu, a separation step of evaporating ammonia from the first aqueous phase to separate Li and Cu, and a Ni, Co leaching step of leaching Ni and Co into a second aqueous phase by ammonia leaching from the solid residue obtained in the Li, Cu leaching step.
Resumen de: US20260321936A1
A porous barrier layer supporting tape for use in energy storages devices comprising a porous adhesive layer and a porous substrate, and methods thereof are disclosed. Porous barrier layer supporting tapes may allow active use of the entire electrode compared to conventional energy storage devices where sections of the electrode are typically rendered inactive by the impermeable barrier layer supporting tape. The porous barrier layer supporting tapes may further provide additional support to prevent short circuiting and provide protection from wear-related puncture over the life of the energy storage device.
Resumen de: WO2026215306A1
The present invention relates to a charge monitoring device, a charge monitoring system comprising a plurality of the charge monitoring devices, and a charge monitoring method. The charge monitoring device (100, 200) comprises cell monitoring circuitry (108, 208), which in operation, detects cell charge states of a plurality of battery cells arranged in a battery module (150) electrically connected to the charge monitoring device (100, 200), and which in operation, balances the charge state of at least one balancing target battery cell among the plurality of battery cells. The charge monitoring device (100, 200), in operation, is communicatively coupled to a charge transferring device (110), the charge transferring device (110) being configured to transfer charge between the battery module (150) connected to the charge monitoring device (100, 200) and an adjacent battery module (150), and the cell monitoring circuitry (108, 208), in operation, controls the charge transfer between the battery module (150) connected to the charge monitoring device (100, 200) and the adjacent battery module (150).
Resumen de: US20260321644A1
An electrode includes a substrate, a first active material layer formed on the substrate, and a second active material layer formed on the first active material layer. A porosity of the first active material layer is greater than a porosity of the second active material layer.
Resumen de: US20260321801A1
0000 A battery pack includes a housing, a plurality of battery cells accommodated in the housing and each including a vent, a cover coupled to the housing and spaced apart from the battery cells, and a heat-resistant layer on the cover and facing the battery cells.
Resumen de: WO2026216719A1
The present invention relates to a composite solid electrolyte having improved mechanical and electrochemical performance, a preparation method therefor, and a lithium secondary battery comprising same, and, specifically, to: a composite solid electrolyte, a preparation method therefor, and a lithium secondary battery comprising same, the electrolyte having a polymer nanoweb containing ferroelectrics impregnated and crosslinked in a polymer electrolyte precursor solution, thereby having high ionic conductivity and excellent interfacial contact at an electrolyte-electrode interface.
Nº publicación: US20260321618A1 15/10/2026
Solicitante:
KK TOSHIBA [JP]
KABUSHIKI KAISHA TOSHIBA
Resumen de: US20260321618A1
In general, according to an embodiment, an electrode includes an active material-containing layer containing an active material and a fibrous carbon material. The active material includes a primary particles containing a nickel containing composite oxide having a layered structure. An average particle size of the primary particles is within a range of 0.1 μm or more and 10 μm or less. FUave of the primary particles is 0.70 or more. The FUave is an average value of a coefficient of form unevenness FU represented by the following expression (1).FU=ffc=4πaℓ2(1)In the expression (1), l is an outer peripheral length of each of the primary particles in a projected cross-section, and a is an area of the projected cross-section.
BOPI
Sede Electrónica
