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575
results.
Updated on
14/09/2026 [07:52:00]
Results 325 to 350 of 575
Absstract of: WO2026185889A1
The present disclosure provides a cathode active material of formula Li(1+x)NiLi (0.019 ≤Y≤0.031)Ni(v)Mn(w)Co(1-v-w)O2. NiOz, wherein x is in a range of 0 to 0.6, v is in a range of 0.94 to 0.98, w is in a range of 0.01 to 0.03, and z is in a range of 0.001 to 0.015. The present disclosure also provides a cathode comprising the cathode active material as disclosed herein. Further the present disclosure provides a process for preparation of the cathode active material as disclosed herein.
Absstract of: WO2026187198A1
A positive electrode for a lithium secondary battery according to embodiments of the present invention comprises: a current collector including a substrate and a carbon coating layer formed on the substrate; and a positive electrode active material layer formed on the carbon coating layer, wherein the end portion of the carbon coating layer in the width direction protrudes beyond the end portion of the positive electrode active material layer in the width direction. Accordingly, the electrical conductivity of the positive electrode for a lithium secondary battery is increased, thereby reducing the cell resistance of the lithium secondary battery, improving rapid charging performance, and improving the adhesion of the positive electrode active material layer. In addition, the positive electrode for a lithium secondary battery according to the present invention can reduce fracture of the aluminum layer during a rolling process.
Absstract of: WO2026184388A1
The embodiments of the present application relate to the technical field of energy storage. Provided are a liquid cooling plate of a battery pack, and a battery pack. The liquid cooling plate comprises a flow channel plate and a first flow guide plate, a plurality of first flow channels and a plurality of second flow channels being provided in the flow channel plate, the plurality of first flow channels being in communication with the plurality of second flow channels, and the plurality of first flow channels and the plurality of second flow channels being arranged side by side and being alternately arranged in the side-by-side arrangement direction. By means of the provision of the first flow guide plate, a third flow channel is formed between the first flow guide plate and the flow channel plate, so that parallel arrangement of the plurality of first flow channels can be implemented by means of the third flow channel without requiring a plurality of pipes to implement the parallel arrangement of the plurality of first flow channels. Thus, the number of pipes can be reduced, and complex pipe connection can be avoided, effectively reducing the structural complexity of the liquid cooling plate, and also effectively reducing the size of the liquid cooling plate, thereby improving the practicability of the liquid cooling plate.
Absstract of: WO2026184272A1
The present application belongs to the technical field of battery production. Provided are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises a casing, a cover body and an electrode assembly, the cover body being connected to the casing, and the cover body and the casing together enclosing an accommodating chamber. The cover body comprises a first portion, a second portion and a bending portion, the first portion protruding relative to the second portion in a direction away from the electrode assembly, and the bending portion connecting the first portion and the second portion; the first portion, the second portion and the bending portion are all welded to the casing; and the welding fusion portion between the bending portion and the casing has a bending penetration depth, the welding fusion portion between the first portion and the casing has a first penetration depth, the welding portion between the second portion and the casing has a second penetration depth, the bending penetration depth is greater than or less than the first penetration depth, and the bending penetration depth is greater than or less than the second penetration depth. The present application aims to improve the quality of welding between a cover body and a casing and optimize welding costs.
Absstract of: US20260269408A1
Proposed is a tray apparatus for a secondary battery, and the tray apparatus includes a body unit provided for mounting a plurality of secondary batteries in a heating-vacuum-charging equipment, a plurality of heating units arranged at side surfaces and/or lower portions of the plurality of secondary batteries mounted to the body unit, and heating the plurality of secondary batteries, and a moving unit movable on the body unit, and the tray apparatus is capable of heating secondary batteries with simple structure and configuration during a heating-vacuum-charging process, and flexibly corresponding to the secondary batteries of different specifications.
Absstract of: US20260269365A1
A traction battery pack may include a plurality of battery cells. A traction battery pack may include a fluid conduit arranged adjacent the battery cells. The fluid conduit may define a passageway configured to guide thermal exchange fluid relative to the battery cells. The fluid conduit may be made of polymer.
Absstract of: US20260269621A1
0000 Embodiments of the present invention disclose a remote battery control system that can integrate advanced controls, fast pulse charging, open architecture, and grid and off-grid compatibility. The system can provide a robust framework for real-time monitoring, predictive maintenance, and energy optimization through IoT-enabled communication modules, machine learning algorithms, and artificial intelligence. A high-frequency switching circuit facilitates fast pulse charging, optimizing charging efficiency while reducing battery wear and thermal degradation. Open architecture ensures seamless interoperability with multiple power sources, including grid power, renewable energy systems, electric vehicles, and standalone generators. Mesh network options provide enhanced communication security and robustness. Open architecture can employ end-to-end encryption, dynamic routing, and intrusion detection mechanisms to protect against cyberattacks and ensure data integrity. The system's grid and off-grid compatibility enables uninterrupted power delivery, dynamically transitioning between power sources during outages, and provides comprehensive energy management, situational awareness, and AI decision support.
Absstract of: US20260269378A1
According to one embodiment of this disclosure, a pouch-type secondary battery includes an electrode assembly and a pouch accommodating the electrode assembly, the pouch including a sealing portion sealing an external surface of the pouch and an inorganic coating layer formed on an external surface of the sealing portion, wherein the sealing portion may include a coating portion in which the inorganic coating layer is formed on the external surface of the sealing portion and a non-coating portion in which the inorganic coating layer is not formed on the external surface of the sealing portion.
Absstract of: US20260269274A1
An electrode assembly including a first electrode plate, a separator, and a second electrode plate, wherein the first electrode plate includes a first insulating layer having a first surface and a second surface, a first substrate configured to cover the first surface and the second surface of the first insulating layer, the first substrate being made of a metal foil, the first substrate having a first electrode tab, the first electrode tab extending and protruding in a first direction from one side of the first substrate, and the first electrode tab also extending in a second direction from the one side, and a first electrode active material layer configured to cover at least one surface of the first substrate, wherein the first electrode tab consists of an uncoated portion that is not coated with the first electrode active material layer, and a secondary battery including the same.
Absstract of: US20260269338A1
0000 Provided is a weighing apparatus, a weighing system, and a weighing method capable of suppressing contact between a solid electrolyte and air and suppressing accumulation of the solid electrolyte. A weighing apparatus 10 includes: a first storage-equipped quantitative feeder device 15 including a first storage 152 that stores the solid electrolyte SE, and a first quantitative feeder 154 that quantitatively measures the solid electrolyte SE stored in the first storage 152 and feeds the solid electrolyte SE to a first outlet port 153 provided in a lower side surface; a first pipe 12 that has one end fixed to the first inlet port 151 and another end connectable to an FC 30; a first exhauster 22 that exhausts gas from an inside of the first storage-equipped quantitative feeder device 15; and a first air supplier 21 that supplies gas to the inside of the first storage-equipped quantitative feeder device 15.
Absstract of: US20260269339A1
A method for controlling battery pool management, according to an embodiment of the present disclosure, includes inputting a plurality of parameters for each of a plurality of batteries in a battery pool; receiving a battery request signal for the battery pool; classifying the plurality of batteries into a plurality of groups based on the plurality of parameters, with a classification criterion at or after a time at which the battery request signal is received; and outputting information of a group corresponding to the battery request signal, among the plurality of groups.
Absstract of: WO2026186596A1
The present invention causes at least one computer to execute processing for, with respect to a battery cabinet comprising a plurality of banks in which a plurality of power storage elements are connected in series, acquiring first measurement data obtained by measuring the temperatures of the power storage elements and second measurement data obtained by measuring the temperature of the battery cabinet, and displaying, on the basis of the acquired first measurement data and second measurement data, the temperatures of the power storage elements and the battery cabinet such that the display can switch between said temperatures.
Absstract of: US20260269359A1
A multilayer structure includes: a conductive heating layer configured to generate heat through resistive heating when an electrical current is applied; and a first rigid dielectric composite layer positioned on a first side of the conductive heating layer and a second rigid dielectric composite layer positioned on a second side of the conductive heating layer, wherein the first and second rigid dielectric composite layers are electrically insulating and have a Young's modulus greater than 1 GPa.
Absstract of: US20260269361A1
Disclosed is a battery cooling device. The battery cooling device includes a pulsating heat pipe, wherein the pulsating heat pipe is manufactured to have a structure in which a vertical channel performing a heat absorption function and a horizontal channel performing a condensation function form a T-shaped passage to increase the surface area of the horizontal channel. The horizontal channel may be arranged below at least one of two battery cells. The battery cells may be selected from a plurality of battery cells stacked having a predetermined number. The plurality of battery cells are stacked with a surface pressure pad disposed between at least two of the plurality of battery cells to evenly cool the battery cells.
Absstract of: US20260269252A1
A polymer-coated-conductor anode may include a metal conductor. A polymer-coated-conductor anode may include a polymer layer disposed on a first portion of the metal conductor. A polymer-coated-conductor anode may include an electrically-conductive layer disposed on the polymer layer, where the metal conductor and the electrically-conductive layer are in electrical contact.
Absstract of: US20260269349A1
Proposed is a heating vacuum charging apparatus for a secondary battery, the apparatus including a hopper configured to apply pressure through a filling port of a secondary battery housed in a tray, a pressure passage part configured to supply pressure to the hopper, and an on-off controller configured to open or close the hopper depending on a presence or absence of the secondary battery in the tray. According to the apparatus, pressure is transmitted to a secondary battery through the hopper only when the secondary battery is present in the tray, and unnecessary pressure loss is prevented when the tray is empty, thereby improving heat vacuum charging performance.
Absstract of: US20260269336A1
0000 A wireless battery management system may include a plurality of CMUs, and a battery management unit (BMU) implemented externally to the battery system, where a primary CMU among the plurality of CMUs may be configured to receive cell status information measured by the plurality of CMUs via wireless communication and transmit the received cell status information to the BMU.
Absstract of: US20260269253A1
The present disclosure provides a method of improving the flatness of an electrode plate constituting an electrode assembly. According to embodiments of the present disclosure, provided is a secondary battery including an electrode assembly including an electrode plate including an electrode tab attached to an electrode plate substrate, and an exterior case accommodating the electrode assembly, wherein the electrode plate of the electrode assembly further includes a first flatness reinforcement layer applied to a stepped portion between a surface of the electrode tab and a surface of the electrode plate substrate. Accordingly, the flatness of the electrode plate constituting the electrode assembly may be uniformly improved, thereby maximizing the space utilization of the secondary battery and the stacking density of electrode plates to achieve an effect of increasing capacity, and inducing uniform electrochemical behavior between the flat electrode plates to suppress an increase in internal resistance, extend the lifetime, and improve the safety of the secondary battery.
Absstract of: WO2026186817A1
One aspect of the present invention is a nonaqueous electrolyte power storage element that comprises a plurality of wound electrode bodies and a container that accommodates the plurality of wound electrode bodies. Each of the plurality of wound electrode bodies is a flat electrode body that has a flat part. A positive electrode includes a lithium transition metal composite oxide that has an α-NaFeO2 crystal structure. The lithium transition metal composite oxide is a first active material that is single-particle particles and has a molar ratio of cobalt to all metal elements other than lithium of less than 0.2 or a second active material that includes nickel and manganese, has a molar ratio of lithium to all metal elements other than lithium of greater than 1.0, and has a diffraction peak within a diffraction angle 2θ range of 20°–22° on a CuKα x-ray diffraction pattern. The nonaqueous electrolyte power storage element also comprises a first spacer that is provided between the flat parts of adjacent wound electrode bodies.
Absstract of: DE102025108734A1
Die vorliegende Erfindung betrifft ein Verfahren, sowie eine Vorrichtung, geeignet zur Wiederaufbereitung eines Elektrodenmaterials, umfassend die Schritte Behandlung des Elektrodenmaterials zur Deaktivierung einer verbindenden Struktur zwischen einer Trägerfolie und einem Aktivmaterial, und mechanische Beanspruchung zur Trennung der Trägerfolie von dem Aktivmaterial.
Absstract of: WO2026186345A1
A purpose of the present invention is to provide: a non-aqueous secondary battery positive electrode binder composition that exhibits excellent dispersibility for a positive electrode active material and excellent durability against electrolytic solutions; and a method for manufacturing the same. Another purpose of the present invention is to provide: a non-aqueous secondary battery positive electrode composition containing the positive electrode binder composition; a non-aqueous secondary battery positive electrode formed from the positive electrode composition; and a secondary battery having the positive electrode. The present invention uses a non-aqueous secondary battery positive electrode binder composition containing a polyurethane resin including an amide group as an essential component.
Absstract of: US20260269356A1
A method for controlling chilling of a coolant for cooling a rechargeable energy storage system (RESS) during charging of the RESS. The method includes obtaining a first value representative of an ambient temperature and obtaining a second value representative of a relative humidity. The method also includes determining an estimated dew point based on the first value and the second value and controlling a coolant chiller to maintain a temperature of the coolant to be greater than the estimated dew point during charging of the RESS.
Absstract of: US20260269237A1
The present disclosure relates to an electrode assembly and a secondary battery including the same. The electrode assembly may include a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and a separator interposed between the positive and negative electrodes. The positive electrode active material layer may have a loading amount of 14 mg/cm2 or more, the negative electrode active material layer may have a loading amount of 9.2 mg/cm2 or more, and an N/P ratio ranges from 1.2 to 1.7. A density of the positive electrode active material layer may range from 2.25 to 2.85 g/cc, or that of the negative electrode active material layer may range from 1.15 to 1.45 g/cc.
Absstract of: US20260269322A1
An electrolyte compound having the following structure:wherein: A is a linear, branched, or cyclic hydrocarbon group containing at least one carbon atom and optionally containing one or more heteroatoms selected from N, O, and S; Y1 and Y2 are independently selected from H atom and a sulfonylimide group of the formulawherein B+ is an alkali metal ion; wherein at least one of Y1 and Y2 is said sulfonylimide group; and m is an integer of at least 1. Also described herein is an electrolyte solution containing the above described electrolyte compound dissolved in or plasticized with a solvent, as well as lithium-based batteries comprising: a) an anode; (b) a cathode; and (c) the electrolyte solution described above in contact with the anode and cathode.
Nº publicación: US20260269637A1 10/09/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd.
Absstract of: US20260269637A1
A battery cell deactivation system includes a connection device configured to connect a plurality of battery cells in series, a power supply unit capable of adjusting current or voltage and configured to supply power for discharging the plurality of battery cells connected in series through the connection device, and a controller configured to control the power supply unit to discharge the plurality of battery cells connected in series by adjusting at least one of current and voltage of the power supply unit.
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