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1357
results.
Updated on
05/05/2026 [07:31:00]
Results 775 to 800 of 1357
Absstract of: US20260112715A1
A battery management apparatus according to the present disclosure includes: an AC signal supply unit configured to supply an AC signal to a lithium-ion secondary battery; an impedance detection unit configured to detect a value of a real part of an AC impedance from the lithium-ion secondary battery to which the AC signal has been supplied; an expansion amount calculation unit configured to calculate an amount of expansion of a cell in the lithium-ion secondary battery based on a difference between the detected current value of the real part of the AC impedance and an initial value of the real part of the AC impedance; and a control unit configured to decrease an upper limit value of a state of charge of the lithium-ion secondary battery as the calculated amount of expansion increases.
Absstract of: WO2026081178A1
A porous diaphragm, a preparation method therefor, and a use thereof. The porous diaphragm comprises a polyolefin porous substrate, an ionic liquid, and polyethylene oxide. The polyolefin porous substrate comprises a plurality of polyolefin fibrils and pores formed by mutual overlapping of the plurality of polyolefin fibrils. The ionic liquid and the polyethylene oxide are at least attached to surfaces of the plurality of polyolefin fibrils inside the polyolefin porous substrate. Compared with the polyolefin porous substrate, the porous diaphragm has an average volumetric pore size reduced by 40% to 86% and a thickness increased by 1.5% or less. The porous diaphragm has relatively high ionic conductivity, can effectively reduce internal resistance of a battery cell, also has relatively high puncture strength, thereby further improving battery safety performance. Furthermore, it can also avoid problems such as adhesion and delamination that are likely to occur during winding of the porous diaphragm.
Absstract of: US20260112614A1
A negative electrode active material, a negative electrode composition, a negative electrode including the same, a secondary battery including the negative electrode, a battery module, and a battery pack. The negative electrode active material includes a silicon-based active material; and a coating layer provided on the silicon-based active material. The coating layer includes a metal oxide and an aqueous binder.
Absstract of: WO2026084562A1
A manufacturing method of a positive electrode of an all-solid-state rechargeable battery is provided. The manufacturing method of a positive electrode comprises the steps of: adding a first positive electrode active material and a first solid electrolyte to a solvent and mixing same so as to prepare a pre-dispersion; adding a second positive electrode active material and a second solid electrolyte to the pre-dispersion so as to prepare a positive electrode slurry; and applying the positive electrode slurry onto a current collector.
Absstract of: WO2026083303A1
A method (ICA) for fast charging a battery system comprising one or multiple cells arranged is series and in parallel, within a SOC range (ΔSOC) and a total charge time t(charge), comprising steps of applying a series of intermittent constant voltage plateaus (CVk, k=1, 2, 3... ) for a duration t(CVk) while monitoring the charge current I (C-rate) and the battery temperature Teell, allowing the current Ito go to zero (rest) for a short time duration t(rest) within the constant voltage plateau and measuring the open-circuit voltage during rest, noted as p-OCV or pOCV, between two successive rest times, within a same voltage plateau CVk, applying a voltage pulse for a duration t(pulse), repeating rests and voltage pulses sequences until the current reaches I(min), at Imin applying a voltage step ΔV between two successive voltage plateaus CVk and CVk+i. and measuring the current at the onset of ΔV application noted I(max).
Absstract of: WO2026081197A1
A lithium-ion secondary battery and a manufacturing method therefor, a negative electrode sheet, and an electric device. The lithium-ion secondary battery further comprises a positive electrode sheet, a separator, and a case; intrinsic polyaniline is provided inside the case.
Absstract of: WO2026081217A1
The present application provides a battery cell, a battery device, and an electric device. The battery cell comprises a casing and a pressure relief mechanism. The casing is provided with a wall portion, the wall portion is provided with a pressure relief hole, and the pressure relief hole passes through the wall portion in the thickness direction of the wall portion. The pressure relief hole comprises a plurality of hole sections arranged in the thickness direction of the wall portion, the plurality of hole sections including a first hole section and a second hole section adjacent to each other, and a hole wall surface of the first hole section and a hole wall surface of the second hole section being connected by means of a first stepped surface. The area of the cross section of the second hole section is greater than the area of the cross section of the first hole section, and the cross sections are perpendicular to the thickness direction of the wall portion. The pressure relief mechanism is at least partially located in the second hole section and is arranged facing the first stepped surface, and the projection of the pressure relief mechanism in the thickness direction of the wall portion covers the first hole section. In the thickness direction of the wall portion, there is a first gap between the pressure relief mechanism and the first stepped surface. When the pressure relief mechanism deforms, the connecting position between the hole wall surface of the first hole se
Absstract of: WO2026084249A1
According to exemplary embodiments, a method for generating a recipe for multi step current charging (MSCC) charging is provided. The method comprises the steps of: charging a modeling cell to collect charging data on the modeling cell; deriving a current-capacitance model on the basis of the charging data; and generating a recipe for MSCC charging on the basis of the current-capacitance model.
Absstract of: US20260112615A1
0000 A positive electrode active material particle according to one aspect of the present invention comprises sulfur(S) and boron (B), and when a ratio of a sulfur(S) concentration (ppm) to a boron (B) concentration (ppm) is denoted as S/B, it may be that 8≤S/B≤20.
Absstract of: WO2026081387A1
Provided in the present application are a temperature acquisition structure, an integrated busbar and a battery pack. The temperature acquisition structure comprises: a bracket and a fixing seat, wherein the bracket is fixed to a battery cell, and the fixing seat is disposed on the bracket and is provided with a fixing slot; a temperature sensing component mounted in the fixing slot; and a fixing member fixedly connected to the fixing seat. At least a portion of the fixing member covers the temperature sensing component, thereby improving the installation stability of a temperature acquisition component.
Absstract of: DE102025142290A1
Gegenstand der Erfindung ist ein Korb (2, 3, 8) einer Batterie für Zellen der Batterie (12) zur Ableitung von Schwingungen und zur Positionierung und Fixierung des Kerns (7) der Batterie in ihrem Gehäuse (5), wobei der Korb Steckplätze für Zellen (1) in einer Gitteranordnung aufweist. Die Erfindung ist dadurch gekennzeichnet, dass der Korb (2, 3, 8) an der Außenfläche mit mindestens einer Blattfeder (6) versehen ist.
Absstract of: US20260112782A1
A battery pack interconnect assembly for electrically connect cell terminals of battery cells in a battery pack includes a busbar interconnect with a busbar carrier holding a plurality of busbars each having first and second mating ends for mating with corresponding adjacent cell terminals. The battery pack interconnect assembly includes a sensing harness having sensing modules and sensing cables with sensing conductors coupled to the sensing modules. The sensing modules include sensing circuits electrically connected to the corresponding busbars at sensing points to sense a voltage of each of the corresponding busbars. The sensing cables span between the sensing modules with the sensing conductors electrically connected to the corresponding sensing circuits of the corresponding sensing modules. The sensing conductors of the sensing cables are electrically connected to a control module.
Absstract of: WO2026082374A1
The invention relates to a method for producing a battery tray (2) of a traction battery, in particular a lithium-ion traction battery, for a mobile work machine, in particular an industrial truck, wherein the battery tray (2) is at least partially filled with a ballast filling (15), wherein the ballast filling (15) comprises a ballast material (15a) and a bonding substance (15b). The method comprises the steps of: providing a battery tray (2), wherein the battery tray (2) has an outer casing (4) with a peripheral outer wall (3) and an intermediate base (5) secured to the outer wall (3), wherein a ballast filling space (7) is formed by the intermediate base (5) in the interior of the battery tray (2) and the battery tray (2) is open on the underside (US); positioning the battery tray (2) with the open underside (US) facing upwards on a filling device (1); filling the ballast filling space (7) with the ballast filling (15) by means of the filling device (1) via the open underside (US) of the battery tray (1); closing the open underside (US) of the battery tray (1) with a base plate (12); rotating the battery tray (2) provided with the base plate (12) by 180° about a horizontal axis of rotation (D); setting the ballast filling (15) to form a laminate material.
Absstract of: WO2026082220A2
The embodiments of the present application relate to the technical field of batteries, and provide a battery protection board. The battery protection board comprises a protection board main body, which is vertically placed on a head portion of a cell and comprises an assembly side wall extending along the length direction of the cell, and the assembly side wall is provided with a conductive portion electrically connected to a cell tab, so that when the cell tab is assembled with the protection board main body, neither the tab nor the conductive portion needs to be bent by 180° between the protection board main body and the cell, so as to effectively reduce the space occupied by the connection between the tab and the protection board main body along the length direction of the cell, thereby reducing the size of a packaging structure of the protection board main body along the length direction of the cell, in order to improve battery capacity. The embodiments of the present application further provide a battery protection board, a battery, an electronic device, and a cell connection structure.
Absstract of: US20260109621A1
0000 A method for upcycling degraded cathode materials for lithium-ion batteries includes applying a precursor coating layer to degraded cathode particles and sintering the precursor coated degraded cathode particles to simultaneously directly regenerate and convert the coating layer precursor to a lithium oxide or lithium metal oxide coating layer and obtain the upcycled cathode material with improved electrochemical performance.
Absstract of: WO2026084209A1
The present invention relates to a single energy storage device for voltage balancing of a bipolar DC microgrid and a voltage balancing method using same, and more particularly, to a single energy storage device for voltage balancing of a bipolar DC microgrid and a voltage balancing method using same, wherein voltage imbalance between a positive electrode and a negative electrode can be resolved while storing and supplying power through the single energy storage device installed in the bipolar DC microgrid.
Absstract of: WO2026084275A1
A silicon composition according to the present invention is recovered from waste solar panels. The silicon composition is obtained through a self-propagating high-temperature synthesis method, and contains silicon and oxygen. The oxygen content in the entirety of the silicon composition is 1-7 wt%. The silicon composition may contain 0.1 wt% or less of a group including at least one among sodium (Na), calcium (Ca), magnesium (Mg), and aluminum (Al).
Absstract of: WO2026084180A1
The present invention relates to a system and a method for detecting whether a battery is abnormal. The system for detecting whether a battery is abnormal according to the present invention is a system for detecting whether a battery is abnormal by using a sensor for detecting battery swelling, wherein the sensor comprises: a conductive elastic body deformable by an external force; and an electrode connected to the conductive elastic body, wherein, when the conductive elastic body is deformed by an external force, the sensor measures a change in at least one of resistance (R), inductance (L), and capacitance (C) of the conductive elastic body transmitted through the electrode.
Absstract of: US20260112549A1
A hydrogel composition and its use as an electrolyte in energy storage devices, e.g., supercapacitors, is described. The hydrogel can include a hydrophilic polymer (e.g., polyvinyl alcohol (PVA)) matrix and a mixture of a water-retaining salt (e.g., lithium bromide (LiBr)) and a solid acid (e.g., cesium dihydrogen phosphate (CDP)) embedded in the matrix. Supercapacitors with electrolytes including the hydrogel can have high water retention and low self-discharge rates.
Absstract of: WO2026085381A1
Electrodes and method of making electrodes for secondary batteries. An exemplary method includes mixing a first binder solution and a cross-linker material to form a first slurry solution, adding a graphite and a silicon-carbon composite to the first slurry solution form a second slurry solution, adding a heterocyclic organic compound to the second slurry solution to form a third slurry solution, and adding a second binder solution to the third slurry solution to form a fourth slurry solution. Then the fourth slurry solution is coated onto a current collector and dried at a predefined temperature for predefined amount of time.
Absstract of: WO2026082367A1
The invention relates to a method for producing a battery tray (2) for receiving an energy supply unit, in particular at least one lithium-ion battery module, for a mobile work machine, in particular an industrial truck, wherein the battery tray (2) is at least partly filled with a ballast material (3), the battery tray (2) has an outer shell (6) with an outer wall (5), and the ballast material (3) is filled into the battery tray (2) in a filling process. The ballast material (3) is sprayed with a composite material (15) during the filling process.
Absstract of: US20260110754A1
0000 An apparatus for predicting a battery health state value of a target battery module having one or more electrochemical battery cells is provided. The apparatus includes a processor and a memory. The memory has computer-executable instructions stored thereupon which, when executed by the processor, cause the apparatus to perform the following operations: obtain a machine-learning model, which has been trained with first data segments and first battery health state values corresponding to first data segments associated with a reference battery module; collect battery charging data of the target battery module over one or more charging cycles of the target battery module; extract a second data segment from the battery charging data; transform the second data segment to align with the first data segments; and input the transformed second data segment to the machine-learning model to predict a battery health state value of the target battery module.
Absstract of: WO2026084284A1
The technical idea of the present invention comprises: a housing including a first mounting region, a second mounting region, a first cooling channel extending through the first mounting region, and a second cooling channel extending through the second mounting region; a first cell assembly mounted on the first mounting region of the housing; a second cell assembly mounted on the second mounting region of the housing; and a valve mounted on the housing and including a first port connected to the first cooling channel, a second port connected to the second cooling channel, and a third port, wherein the valve is configured to open or close the first port and the second port to allow or block the flow of a cooling fluid through the first port and the second port.
Absstract of: US20260112911A1
0000 A system for dissipating energy stored in a battery system includes a direct current (DC)-DC converter, an active front end (AFE), and a controller including one or more memories and one or more processors. The one or more processors are configured to determine a current state of charge (SOC) of the battery system; retrieve, from the one or more memories, the minimum energy value to be maintained in the battery system; compare the current SOC of the battery system with the minimum energy value; and dissipate the energy stored in the battery system if the current SOC is greater than the minimum energy value through the DC-DC converter, the AFE, both of the DC-DC converter and the AFE, and/or both of a first semiconductor device of the DC-DC converter and a second semiconductor device of the AFE.
Nº publicación: WO2026081619A1 23/04/2026
Applicant:
ZHUHAI TITANS NEW POWER ELECTRONICS CO LTD [CN]
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Absstract of: WO2026081619A1
Disclosed are a negative-pressure suction nozzle assembly, a suction nozzle, and a lithium battery formation device. The negative-pressure suction nozzle assembly comprises: a suction nozzle, the suction nozzle comprising a suction nozzle body, the suction nozzle body being formed along a first direction with a suction channel that penetrates through, the suction nozzle body comprising a first end and a second end along the first direction, and the first end being used for assembling with an opening of a battery; and a guide member, the guide member comprising a guide body and a guide portion, the guide body being provided at the outer periphery of the suction nozzle body, an assembly gap being provided between the guide body and the outer periphery of the suction nozzle body, the guide portion being provided at a first end of the guide body, the first end of the guide body protruding from the first end of the suction nozzle body in a first direction, and the guide portion being used for providing guidance for assembling an opening of a battery to the assembly gap.
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