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1369
results.
Updated on
24/10/2026 [08:31:00]
Results 50 to 75 of 1369
Absstract of: US20260331505A1
0000 A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode mixture layer. The positive electrode mixture layer contains a positive-electrode active material, a conductive material, and a binder. The conductive material includes both carbon black and single-wall carbon nanotubes. The binder includes at least one selected from the group consisting of nitrile group-containing rubber and a cellulose derivative.
Absstract of: US20260331480A1
0000 With respect to a nonaqueous electrolyte secondary battery (10) according to one example embodiment of the present invention, a positive electrode (11) contains, as a positive electrode active material, a lithium transition metal composite oxide that has a layered structure and contains not less than 75 mol % of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is in the form of secondary particles that are obtained by aggregation of primary particles; and at least one element selected from the group consisting of Ca and Sr, and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb and Zr are present at the interfaces between the primary particles inside the secondary particles. A negative electrode (12) contains, as a negative electrode active material, a silicon-containing material.
Absstract of: US20260331504A1
A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode mixture layer. The positive electrode mixture layer contains a positive-electrode active material, a conductive material, and a binder. The conductive material includes both single-wall carbon nanotubes and multiwall carbon nanotubes. The binder includes at least one selected from the group consisting of nitrile group-containing rubber and a cellulose derivative.
Absstract of: US20260325856A1
An electronic apparatus comprising: an electric field generator providing a first electrical signal having a first alternating current waveform at a frequency between 50 kHz and 1 MHz; and a controller communicating with the electric field generator, the controller having an input, a processor, and a memory storing an accelerated power-up program, a standard power-up program, and computer-executable instructions that cause the processor to: receive a generator power-down event by the input; detect the generator power-down event; deactuate the electric field generator; store an operating parameter; determine an operating status based at least in part on the operating parameter; and actuate the electric field generator to provide a second electrical signal using the accelerated power-up program responsive to the operating status being the accelerated status; the second electrical signal having a second alternating current waveform at a frequency between 50 kHz and 1 MHz.
Absstract of: US20260331493A1
0000 There is provided a composition for lithium-ion battery cathode and a method for producing the composition. There is also provided an electrode comprising an active material layer formed from the composition on a current collector.
Absstract of: US20260331508A1
A cured product for a lithium-ion secondary battery contains a water-soluble polymer crosslinked with a crosslinking agent. The water-soluble polymer has a carboxy group and a COOX group formed by ion exchange of a part of the carboxy groups. The crosslinking agent is a compound containing a metal capable of having a six-coordinate structure.
Absstract of: US20260331684A1
0000 A ferritic stainless steel material for battery components has a composition comprising, on a mass basis, C: 0.001 to 0.050%, Si: 0.01 to 2.00%, Mn: 0.01 to 2.00%, P: 0.010 to 0.050%, S: 0.0001 to 0.0100%, Cr: 10.0 to 30.0%, and N: 0.001 to 0.050%, and further comprising one or more selected from Ti: 0.01 to 0.50% and Nb: 0.01 to 0.60%, the balance being Fe and impurities. The ferritic stainless steel material for battery components contains 0.010% by volume or more of Ti-based deposits and/or Nb-based deposits.
Absstract of: US20260326616A1
0000 A method for operating a battery cell for a motor vehicle includes capturing an actual temperature of the battery cell and an actual current which relates to a power demand on the battery cell, performing a temperature prediction to calculate a cell core temperature on the basis of a thermal model of the battery cell using the actual temperature and the actual current, calculating a continuous current using the temperature prediction, predicting a degradation of a power limit using the temperature prediction and the continuous current, and outputting a control command for the operation of the battery cell using the power limit.
Absstract of: US20260331479A1
The invention relates to a sodium layered oxide of formula I: NaxM1a+1−y−z−nM2b+yM3c+zM4d+nO2, (I), wherein: M1a+, M2b+, M3c+ and M4d+ are different transition metal ions or mixtures thereof, x is a number ranging from 0.5 to less than 1; y, z and n are numbers ranging from 0.01 to 0.85; y+z+n is less than 1; a, b, c and d are the respective oxidation number of the transition metal ions M1, M2, M3 and M4, respectively; and the cumulative oxidation state of transition metal ions a*(1−y−z−n)+(b*y)+(c*z)+(d*n) is equal to 4−x; and wherein said sodium layered oxide of formula I is not P2-Na2/3Ni1/4Mn1/2Ti1/6Zn1/12O2, P2-Na2/3Ni1/4Mn1/2Ti1/2Mg1/12O2, or P2-Na2/3Ni1/4Mn1/2Ti1/6Zn1/12O2.
Absstract of: US20260331602A1
0000 A wireless microsystem for performing real-time monitoring on in-situ pressure and temperature inside a lithium battery comprises an acoustic wave receiving module, a working condition sensing module, and an acoustic wave transmitting module manufactured based on Micro-Electro-Mechanical System (MEMS) technology and connected sequentially; which can be non-destructively implanted into various lithium batteries; the acoustic wave receiving module is configured to, based on a first acoustic wave signal received from an external acoustic wave transmitter and corresponding to a first preset resonant frequency, perform acoustic-electric signal conversion to obtain a first electrical signal; the working condition sensing module couples an in-situ working state inside the cell to the first electrical signal to obtain a second electrical signal; the acoustic wave transmitting module is configured to perform electric-acoustic signal conversion on an electrical signal component satisfying a preset resonant frequency in the second electrical signal to transmit a second acoustic wave signal.
Absstract of: US20260326692A1
A high voltage modular and expandable unit for electrical power distribution for application in the automotive technical sector.The electrical power distribution unit can use two or more basic electrical modules for any application. The basic electrical module is designed as a high voltage input port connected to an electric/output interface (HV I/O). The basic electrical module may also include current sensors, power relays, fuse and other electrical components that assist the distribution of electrical power.
Absstract of: US20260331553A1
The cell winding apparatus comprises an unwinding mechanism, a winding needle assembly, and an electrode sheet cutting-off device. The unwinding mechanism is configured to be capable of unwinding a first electrode sheet, a second electrode sheet, and a separator. The winding needle assembly is configured to be capable of overlapping the first electrode sheet, the second electrode sheet and the separator which are unwound by the unwinding mechanism and winding same into a wound structure. The electrode sheet cutting-off device comprises a cutter and an adjusting mechanism; the adjusting mechanism and the cutter edge side of the cutter are provided with a path for the first electrode sheet to pass through; the adjusting mechanism is configured to enable a demarcated region to be cut off of the first electrode sheet to be opposite to the cutter edge of the cutter.
Absstract of: US20260328856A1
A charger includes a control unit, a voltage measurement unit, and an OCV data extraction unit. The control unit controls charging of a secondary battery when the secondary battery is attached to the charger. The voltage measurement unit measures a terminal voltage of the secondary battery during charging. The OCV data extraction unit extracts OCV data that can be used to analyze the deterioration degree of the secondary battery. The charger has a first mode and a second mode as one cycle of charging of the secondary battery. In the first mode, the control unit charges the secondary battery with a predetermined current value. The voltage measurement unit measures a terminal voltage value (α) of the secondary battery. The control unit and the voltage measurement unit shift to the second mode after the end of the first mode. In the second mode, the control unit suspends charging for a predetermined suspension time. The voltage measurement unit measures the OCV value (β) of the secondary battery immediately after the elapse of the suspension time. The control unit and the voltage measurement unit return to the first mode after the end of the second mode. The control unit compares a terminal voltage value (αA) acquired in the first mode with a terminal voltage value (αB) acquired in the first mode one cycle before the first mode. The control unit controls the first time such that a difference value between the terminal voltage value (αA) and the terminal voltage value (αB)
Absstract of: US20260331595A1
An electrochemical apparatus, including an electrode assembly, which includes an electrode plate assembly, a first tab, and a second tab. A first electrode plate includes a first current collector and a first active material layer, a first region of a winding tail section of the first current collector is connected to the first tab. A second electrode plate includes a second current collector and a second active material layer, a second region of a winding tail section of the second current collector is connected to the second tab. A sum of equivalent magnetic field strengths of the first current collector F1 and a sum of equivalent magnetic field strengths of the second current collector F2 satisfy: |F1−F2|≤4×10−5, which can better reduce an axial magnetic field at an end face of a wound structure, thereby further reducing interference of the electrochemical apparatus to the electrical device.
Absstract of: US20260331601A1
Disclosed herein is an electrochemical cell comprising an in situ formed intermetallic layer comprising the active metal of the electrodes and one or more metallic elements. The intermetallic layer of the disclosed electrochemical cell is disposed between an electrode and a solid-state electrolyte. Methods of making the same are also disclosed.
Absstract of: US20260331642A1
0000 Provided are a battery pack and a vehicle having same. The battery pack includes a frame, a partition assembly, a liquid cooling plate, and a bottom protection plate. The frame is configured to enclose a receiving cavity. The partition assembly is disposed in the frame to divide the receiving cavity into a plurality of receiving sub-cavities. The liquid cooling plate is located at a bottom of the frame, and has a bottom access opening directly facing one of the plurality of receiving sub-cavities. The liquid cooling plate is fixedly connected to the frame and at least part of the partition assembly adjacent to the bottom access opening. The bottom protection plate is detachably connected below the liquid cooling plate, and configured to open and close the bottom access opening.
Absstract of: US20260331599A1
0000 The present invention addresses the problem of providing an all-solid-state lithium-ion secondary battery that has excellent charging/discharging characteristics. 0000 The present invention includes at least a negative electrode layer, a separator layer, and a positive electrode layer. The negative electrode layer contains a negative electrode active substance which includes graphite. The separator layer is made of an oxide solid electrolyte. A resistance reduction layer is formed between the negative electrode layer and the separator layer, and the resistance reduction layer is made of a lithium alloy. Alternatively, the present invention includes a substance with which a lithium alloy is formed as a result of a secondary battery operation in which current flows between the negative electrode layer and the positive electrode layer.
Absstract of: US20260331462A1
0000 Described herein are, among other things, structured cathodes for use in electrochemical cells (e.g., batteries). In some embodiments, a structured cathode includes at least one electrochemically active material included in a patterned film. The film may be disposed on a substrate (e.g., current collector) or may be free standing. The film has at least one patterned surface, for example has recesses extending into the film. A patterned film may be porous. A patterned film may be made of an assembly of particles including an electrochemically active material. Recesses may include holes or trenches or a combination thereof. Recesses may be formed by removing material from an initial film, such as with laser ablation. Recesses may extend only partially into or entirely through a film. Recesses may be interconnected or separate. Recesses may be disposed regularly or irregularly across a patterned surface. Recesses may be at least partially filled with electrolyte.
Absstract of: US20260324718A1
0000 A vaporizing device can include a pod including a pod battery to power the pod to produce and emit vapor through a mouthpiece. The pod can be a single-use disposable vaporizing device pod. The vaporizing device can also include a power bank including a power bank battery. The power bank and the pod can be structured to fit together in a combined configuration. The power bank battery can charge the pod battery with the power bank and the pod fit together and electrically connected to each other in the combined configuration. The pod can produce and emit vapor in a standalone configuration wherein the pod is not fit together with the power bank or electrically connected to the power bank. Also, the pod can produce and emit vapor in the combined configuration wherein the pod is fit together with the power bank and electrically connected to the power bank.
Absstract of: US20260327872A1
0000 The present invention refers to a nonwoven mat for thermal insulation and protection from fire, a method for the preparation of said nonwoven mat, a partition member, a battery housing and a battery pack; and to the use of the nonwoven mat, the battery spacer and the battery housing for thermal insulation and protection from fire.
Absstract of: US20260331651A1
0000 Disclosed is a packaging material for a battery, including lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of a composition containing a thermoplastic polyolefin, wherein the slipperiness of the inner layer is enhanced to achieve excellent moldability, causing no leakage of cell electrolytes and thereby ensuring safety. The present invention provides a packaging material for a battery, including a lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of composition containing a thermoplastic polyolefin, wherein the composition constituting the inner layer contains an unsaturated secondary fatty acid amide.
Absstract of: US20260331564A1
0000 The present invention relates to a solid electrolyte sheet including a first solid electrolyte layer and a second solid electrolyte layer positioned on the first solid electrolyte layer, wherein the first solid electrolyte layer includes a first solid electrolyte, the second solid electrolyte layer includes a second solid electrolyte, and a density of the first solid electrolyte is greater than a density of the second solid electrolyte.
Absstract of: US20260331736A1
An electrolyte injection system includes an electrolyte injection device, an upper computer and a control device, where the electrolyte injection device includes at least one electrolyte injection pump; the control device is configured to send to the upper computer pump information of a target electrolyte injection pump currently to be subjected to electrolyte preparation in the electrolyte injection device; the upper computer is configured to: acquire the pump information from the control device; determine, on the basis of the pump information and from among bearing positions in a battery cell tray currently entering the electrolyte injection device, a target bearing position currently corresponding to the target electrolyte injection pump; and determine, on the basis of a first correspondence, a target electrolyte injection parameter corresponding to the target bearing position, with the first correspondence including electrolyte injection parameters respectively corresponding to at least one bearing position.
Absstract of: US20260326535A1
An acoustic treatment device for a cooling system of a vehicle is disclosed herein. The acoustic treatment device is configured to be fitted to a cooling system of a vehicle and includes at least one wall which delimits a duct for the circulation of an air flow. The acoustic treatment device includes at least one array of resonators formed by one or more rows of resonators arranged around the duct perpendicular to an axis of elongation of the duct. Each resonator of a row of resonators includes at least one cavity arranged in the wall and a neck connecting the cavity to the duct. For a given dimension of the cavity or of the neck, at least one resonator of the row of resonators has a value that is different from the value of the corresponding dimension of the other resonators of the row.
Nº publicación: US20260327074A1 22/10/2026
Applicant:
SPECIALTY OPERATIONS FRANCE [FR]
SPECIALTY OPERATIONS FRANCE
Absstract of: US20260327074A1
The present invention relates to a method for producing a salt of bis(chlorosulfonyl)imide (HCSI salt), which is economically feasible at industrial scale and which provides a high-purity product. The present invention also provides a method for producing a lithium salt of bis(fluorosulfonyl)imide (LiFSI), wherein said HCSI salt is used as an intermediate compound.
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