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ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: US20260018611A1

An electrochemical device includes a negative electrode plate. The negative electrode plate includes a negative current collector, a first layer, and a second layer. The first layer is located between the negative current collector and the second layer. The first layer and the second layer both include graphite. A ratio of an intensity of a D peak to an intensity of a G peak in a Raman spectrum of the graphite in the first layer is A, A ranges from 0.05 to 0.3, a ratio of an intensity of a D peak to an intensity of a G peak in a Raman spectrum of the graphite in the second layer is B, B ranges from 0.4 to 0.8, and 0.2≤B−A≤0.5.

HEAT MANAGEMENT ASSEMBLY, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: US20260018702A1

A heat management assembly, a battery, and an electrical apparatus are disclosed. The heat management assembly has a liquid inlet and a liquid outlet and a heat exchange plate and a first partition plate. The heat exchange plate is formed with a plurality of heat exchange channels that are arranged in a first direction and allow a heat exchange medium to flow, the heat exchange channels extend in a second direction, and the first direction intersects with the second direction. The first partition plate is disposed at one end of the heat exchange plate in the second direction, and the first partition plate is to block a portion of the liquid inlet, so that at least part of the heat exchange channels are connected in series with one another, thereby mitigating uneven heating and improving the temperature consistency of the battery cells, and enhancing the heat exchange effect of the battery.

COOLER, ARRANGEMENT STRUCTURE OF SUPPLY-DISCHARGE PORTION, AND ELECTRICITY STORAGE APPARATUS

Resumen de: US20260018700A1

A cooler mounted on an electricity storage apparatus includes: a cooler main body in which a circulation passage of a refrigerant is provided; and a supply-discharge portion that communicates with the circulation passage of the cooler main body and is to be inserted into the cooler main body to supply the refrigerant to the circulation passage of the cooler main body or discharge the refrigerant from the circulation passage of the cooler main body. The supply-discharge portion includes a contacting portion that arranges the supply-discharge portion in a preset position in the cooler main body by being in contact with a portion to be contacted of the electricity storage apparatus, in a state in which the cooler is mounted on the electricity storage apparatus.

BATTERY DEVICE

Resumen de: US20260018728A1

A battery device according to the disclosed technology may include a cell assembly in which a plurality of battery cells are stacked, a busbar assembly coupled to one side of the cell assembly, and a cell guide extending from the busbar assembly toward the cell assembly and partially facing both side surfaces of the cell assembly.

TERMINAL COOLING PART FOR ELECTRICITY STORAGE DEVICE, BUS BAR FOR ELECTRICITY STORAGE DEVICE, AND ELECTRICITY STORAGE DEVICE MODULE

Resumen de: US20260018699A1

A terminal cooling part for an electricity storage device includes a first plate and a second plate. The first plate includes a joining portion that is joined to the electrode terminal. The second plate is opposed to a surface of the first plate at an opposite side to a surface of the first plate that is superimposed on the end surface of the electrode terminal except for the joining portion. The second plate includes a raised portion that forms a refrigerant circulating space between the raised portion and the first plate. The second plate is configured such that a portion around the raised portion is joined to the first plate. The second plate includes a supply port via which a refrigerant is supplied to the refrigerant circulating space, and a discharge port via which the refrigerant is discharged from the refrigerant circulating space.

BATTERY PACK AND ELECTRIC APPARATUS

Resumen de: US20260018696A1

A battery pack includes a box, a cold plate and a cell assembly. The box is provided with an accommodation space. The cell assembly is located in the accommodation space and includes multiple cells. The multiple cells are arranged in a horizontal plane and are disposed at equal spacing. A potting adhesive is filled in the cell assembly. The cold plate fits an upper side and/or a lower side of the cell assembly and the potting adhesive.

INSULATIVE COMPOSITES AND ARTICLES MADE THEREFROM

Resumen de: US20260015488A1

Insulative composites as well as articles formed therefrom are described herein. The insulative composites include a fibrillated polymer matrix, insulative particles, and additional particulate components such as at least one of reinforcement fibers, expandable microspheres, and opacifiers. The insulative particles and additional particulate components are durably enmeshed within the fibrillated polymer matrix. The insulative composites act as a heat propagation barrier when exposed to temperatures sufficient to partially or completely volatilize the fibrillated polymeric matrix within the insulative composite. The insulative composite is suitable for use in applications and/or in articles that have at least one thermally sensitive component that is capable (generally upon failure of that component) of releasing energy that is sufficient to result in a temperature that partially or completely volatilizes the fibrillated polymer matrix within the insulative composite yet still provides a sufficient insulative effect to protect one or more adjacent thermally sensitive components from damage.

DEVICE, TRANSPORT UNIT AND METHOD FOR TRANSPORTING NON-RIGID ELEMENTS

Resumen de: US20260015193A1

A device, a transport unit and a method for transporting non-rigid elements for the manufacture of a battery and/or fuel cell. The device has a transport mechanism for transporting the elements from a first region to a second region, a guide plate for guiding the transport mechanism, a drive unit for moving the transport mechanism, a lifting device for coupling the drive unit and the transport mechanism, and an assembly frame. The guide plate has a plate-like main body, a closed guide contour and a through-opening; the transport mechanism is guided by the guide contour; the drive unit has a drive shaft which extends in the first direction and is axially fixedly received in the through-opening; and the lifting device couples the transport mechanism and the drive unit to each other in a torque-transmitting manner and can adjust a distance between the two in a second direction.

Pouch Film Supply Device for Secondary Batteries

Resumen de: US20260015198A1

A pouch film supply device for a secondary battery of the present technology includes: a plurality of first guide rollers installed between a pouch film inlet and a pouch film outlet to be spaced apart from each other, and configured to guide a pouch film, wherein one side of each of the plurality of first guide rollers is fixedly supported; a plurality of second guide rollers installed below the plurality of first guide rollers between the pouch film inlet and the pouch film outlet to be spaced apart from each other, and configured to guide the pouch film; and an inclination measurement member provided on another side of each of the first guide rollers to measure at least one of a vertical inclination and a horizontal inclination of each of the first guide rollers.

METHOD OF COOLING AN ELECTRICAL EQUIPMENT SYSTEM BY USING A DIELECTRIC FLUID COMPOSITION HAVING GOOD HEAT DISSIPATION OVER A WIDE TEMPERATURE RANGE

Resumen de: US20260015536A1

A method of cooling an electrical equipment system by using a dielectric fluid composition containing a base fluid containing hydrogenated oligomers obtained from the oligomerization of butene. The method provides good and consistent heat dissipation of the electrical equipment system over a wide temperature range.

WINDER

Resumen de: US20260015196A1

A winder applied can include a turret part configured to hold a running film roll and a standby film roll, and a leading part including a head part configured to sense a finishing tape attached to an end side of a thin film wound on the standby film roll, grip the finishing tape, and remove the finishing tape from the standby film roll. The head part can include a head body part, a sensing unit disposed on the head body part, and a tape adsorption part disposed on the head body part. The tape adsorption part may be configured to move to a position of the finishing tape sensed by the sensing unit, temporarily couple to the finishing tape, and remove the finishing tape from the end side of the thin film wound on the standby film roll. The sensing unit may be configured to sense the finishing tape.

WARNING SYSTEM FOR PROVIDING A WARNING INDICATING A THERMAL RUNAWAY

Resumen de: US20260014897A1

A warning system for providing a warning indicating a thermal runaway of a battery device, the warning system comprising an electromechanical switch configured to be operatively connected to a pressure actuatable device of the battery device such that actuation of the pressure actuatable device causes activation of the electromechanical switch, and an electric conduit connected to the electromechanical switch and configured to be connected to an indicating device for providing an indication of thermal runaway of the battery device.

INTEGRATED STORAGE AND CHARGING DEVICE AND CHARGING SYSTEM

Resumen de: US20260014890A1

The integrated storage and charging device includes a first voltage conversion module, a second voltage conversion module, an energy storage module, a first switch module, and a second switch module. An output end of the first voltage conversion module is connected to a first end of the first switch module. A second end of the first switch module is connected to the energy storage module. An output end of the second voltage conversion module is connected to a first end of the second switch module. A second end of the second switch module is connected to the energy storage module. The integrated storage and charging device is configured to: control the on-off state of the first switch module and the on-off state of the second switch module and perform charging and discharging tests between the first voltage conversion module, the second voltage conversion module, and the energy storage module.

BATTERY SAFETY DEVICE FOR ENSURING COMPLIANCE WITH FUNCTIONAL SAFETY REQUIREMENTS

Resumen de: US20260014874A1

In an embodiment, an apparatus includes a battery having one or more battery cells. The apparatus also includes a battery safety device coupled to the battery, where the battery safety device is configured to receive one or more analog signals indicating a measured value of an operational characteristic of a battery cell, and change a state of a control signal in response to detecting that the measured value of the operational characteristic is outside of a safe operating area that is defined for the battery. The apparatus also includes a contactor configured to disconnect the battery from a load based on the control signal. The operational characteristic can include voltage, temperature, and/or current in the battery. The battery safety device is remote from the BMS.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: US20260018765A1

A battery cell comprises an electrode assembly, a shell, an electrode terminal, an insulating member, and a protective member. The shell comprises a wall portion provided with an electrode lead-out hole. The electrode assembly is accommodated in the shell and comprises a tab. The electrode terminal is electrically connected to the tab. The electrode terminal comprises a terminal body passing through the electrode lead-out hole and a fixing portion connected to the terminal body. The insulating member is arranged surrounding the terminal body. At least a portion of the insulating member is located between the fixing portion and the wall portion to isolate, in an insulated manner, the fixing portion from the wall portion. The protective member is arranged surrounding the terminal body and in contact with the insulating member.

BATTERY PACK

Resumen de: US20260018725A1

A battery pack includes a battery module, an equipment member disposed on the battery module, and a supporting member disposed between the battery module and the equipment member and formed of insulation resin. A busbar having electrical conductivity is disposed in the supporting member, one end of the busbar that has passed through the inside of the supporting member toward the battery module side is connected to the battery module, a connection terminal is provided on the other end of the busbar that has passed through the inside of the supporting member toward the equipment member side, and the connection terminal of the busbar is connected to a connection terminal of the equipment member.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: US20260018757A1

A battery cell, a battery and an electric device, relating to the technical field of batteries. The battery cell comprises: a housing, an electrode column body and an electrode column cover plate, wherein the housing defines an accommodating cavity; the electrode column body is arranged on the housing; a communication channel in communication with the accommodating cavity is formed on the electrode column body; the electrode column cover plate is arranged on the electrode column body; and a liquid injection hole in communication with the communication channel is formed in the electrode column cover plate.

LAMINATED CELL, PRISMATIC LITHIUM BATTERY AND BATTERY PACK

Resumen de: US20260018754A1

A laminated cell, a prismatic lithium battery and a battery pack are provided. The laminated cell includes a plurality of cell units stacked in sequence along a first direction, each of the cell units includes a positive electrode plate, a separator and a negative electrode plate that are stacked in sequence, and a separator is disposed between two adjacent ones of the cell units. A ratio of a length to a thickness of the positive electrode plate and a ratio of a length to a thickness of the negative electrode plate are respectively and independently selected from 6.3×102 to 9.4×102, and a ratio of a width to the thickness of the positive electrode plate and a ratio of a width to the thickness of the negative electrode plate are respectively and independently selected 6.3×102 to 9.4×102.

BATTERY MODULE AND METHOD OF MANUFACTURING BATTERY MODULE

Resumen de: US20260018755A1

A battery module (50) includes: a plurality of battery cells (100) stacked in a predetermined direction; and a plurality of lead portions (110) each folded back between at least one battery cell (100) and at least another battery cell (100), wherein an average of tilts of end surfaces of the plurality of lead portions (110) relative to a direction perpendicular to the predetermined direction is equal to or greater than 85.0° and equal to or less than 95.0°.

POSITIVE ELECTRODE MATERIAL COMPOSITION, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260018609A1

A positive electrode material composition, a secondary battery, and an electric apparatus. The positive electrode material composition includes a phosphate-based positive electrode material and a ternary positive electrode material, where a weight of the phosphate-based positive electrode material is denoted as W1; a weight of the ternary positive electrode material is denoted as W2; α=W1/(W1+W2), where 50%≤α≤97%, optionally 70%≤α≤90%; and the phosphate-based positive electrode material is a polycrystalline secondary sphere material and/or the ternary positive electrode material is a polycrystalline secondary sphere material.

Positive Electrode and Lithium Secondary Battery Including the Same

Resumen de: US20260018606A1

A positive electrode having a mixture layer includes a single particle-type positive electrode active material and a point-type conductive material, disposed on a current collector. The positive electrode having the mixture layer also includes a rolling index ranging from 0.01 to 1.00. The rolling index is determined using a single particle formation degree of a single particle-type lithium nickel-based oxide, a bulk density, a BET specific surface area, and an oil absorption number of a point-type conductive material. The positive electrode exhibits a low porosity and a high rolling density. Also provided is a lithium secondary battery including the same having excellent energy density.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: US20260018605A1

The present application provides a battery and an electrical apparatus. The battery comprises a case, an electrode assembly and an electrolyte solution. The case is provided with an accommodating cavity inside, and the electrode assembly and the electrolyte solution are both arranged within the accommodating cavity. The electrode assembly comprises a positive electrode plate comprising a positive electrode current collector and a positive electrode active layer located on at least one surface of the positive electrode current collector. The positive electrode active layer comprises a positive electrode active material having a chemical formula of Lix(NiaCobMnc)1−aMaO2−yAy; the KEL of the battery satisfies 1.6 g/Ah≤KEL≤1.9 g/Ah, KEL represents the ratio of the mass of free electrolyte solution to the rated capacity of the battery, in units of g/Ah; and the space utilization rate η of the battery is ≥0.8.

COMPLIANT SOLID-STATE IONICALLY CONDUCTIVE COMPOSITE MATERIALS AND METHOD FOR MAKING SAME

Resumen de: US20260018603A1

Provided herein are ionically conductive solid-state compositions that include ionically conductive inorganic particles in a matrix of an organic material. The resulting composite material has high ionic conductivity and mechanical properties that facilitate processing. In particular embodiments, the ionically conductive solid-state compositions are compliant and may be cast as films. In some embodiments of the present invention, solid-state electrolytes including the ionically conductive solid-state compositions are provided. In some embodiments of the present invention, electrodes including the ionically conductive solid-state compositions are provided. The present invention further includes embodiments that are directed to methods of manufacturing the ionically conductive solid-state compositions and batteries incorporating the ionically conductive solid-state compositions.

Ultrasonic Welding Device and Welding Method for Secondary Battery

Resumen de: US20260014640A1

An ultrasonic welding device for a secondary battery is provided. The ultrasonic welding device is configured to weld an overlapping surface of an electrode tab and an electrode lead in an electrode assembly. The ultrasonic welding device includes an anvil on which the overlapping surface of the electrode tab and the electrode lead are disposed. A horn is configured to apply ultrasonic waves to the overlapping surface of the electrode tab and the electrode lead while pressing the overlapping surface. The overlapping surface is disposed on the anvil. An electrode tab measuring part is configured to measure a thickness of the electrode tab disposed on the overlapping surface. A pressure adjusting device is configured to adjust a pressure applied to the overlapping surface by the anvil and the horn according to the thickness value of the electrode tab. The thickness value is measured by the electrode tab measuring part.

ENERGY STORAGE DEVICE AND ENERGY STORAGE SYSTEM

Nº publicación: US20260014879A1 15/01/2026

Solicitante:

ISUZU MOTORS LTD [JP]
ISUZU MOTORS LIMITED

Resumen de: US20260014879A1

An energy storage device mounted in a moving body, the energy storage device including a plurality of thin-coated cells to which first active materials having thicknesses within a first range are applied between a current collector and a separator, and a plurality of thick-coated cells to which second active materials having thicknesses within a second range whose lower limit value is greater than an upper limit value of the first range, are applied between the current collector and the separator. The thin-coated cells and the thick-coated cells are alternately arranged at predetermined intervals.