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1362
results.
Updated on
02/05/2026 [08:13:00]
Results 50 to 75 of 1362
Absstract of: US20260121245A1
Disclosed are a tab welding structure and a battery. The tab welding structure includes a tab and a to-be-welded part, where the to-be-welded part is welded on the tab to form a connecting portion, a plurality of first welding mark structures that are concave in a thickness direction of the connecting portion are formed on the connecting portion, each of the plurality of first welding mark structures includes a first welding surface and a first surrounding wall that are connected to each other, and the first surrounding wall is an arc surface.
Absstract of: US20260121144A1
Preparing battery-grade graphite including: 1) placing mixed waste electrode materials of a failed lithium-ion battery in a muffle furnace, and performing low-temperature roasting surface modification in an air atmosphere yielding a powder; 2) forming a slurry of the powder, placing the slurry in a flotation machine, and after stirring the slurry, adding a collector and a foaming agent, obtaining a foam product rich in negative electrode graphite) and an ore slurry product rich in positive electrode material) by flotation separation; 3) after filtering and drying the foam product obtained in step (2), performing weak acid washing, obtaining a leached liquid and a leached residue after filtering, and obtaining negative electrode graphite after drying the leached residue; and 4) after filtering and drying the negative electrode graphite of step (3), placing the negative electrode graphite in a high-temperature graphitization furnace and performing oxygen-free heating, to obtain a regenerated graphite product.
Absstract of: WO2026086585A1
The present disclosure relates to the technical field of battery production. Disclosed are a battery cell gripping device and a battery production apparatus. In the battery cell gripping device, a gripper assembly comprises two gripping jaws, a first driving assembly is connected to the two gripping jaws and is configured to drive the two gripping jaws to move close to or away from each other, and a second driving assembly is connected to a suction cup and is configured to drive the suction cup to move away from a base in a second direction or to drive the suction cup to move close to the base in the second direction. The battery cell gripping device is applicable to the transfer of different components.
Absstract of: US20260121236A1
A connector may include a connector housing, a terminal configured to be inserted into the connector housing in a predetermined insertion direction, and a terminal block configured to be inserted into the connector housing, the terminal block surrounding the terminal, and being configured to restrict movement of the terminal in an opposite direction to the insertion direction. In addition, the connector housing may include a first protrusion configured to lock the terminal block.
Absstract of: US20260121132A1
The present invention provides a synthesis method for a mixed zirconium salt electrolyte material and use in a lithium metal battery. The preparation method includes the following steps: first, preparing a turbid solution of a zirconium-containing mixed electrolyte material using an existing commercial lithium battery electrolyte solution as a raw material; second, centrifuging the turbid solution obtained in the first step, taking a lower-layer precipitate, and then washing away excess impurities with a commercial carbonate electrolyte solution solvent; third, drying a white precipitate obtained after washing in the second step, and then grinding and pulverizing to obtain a mixed zirconium salt electrolyte material.
Absstract of: US20260121046A1
Provided is a positive electrode active material for a secondary battery, which is a lithium composite transition metal oxide containing nickel, cobalt, and manganese and having a nickel content accounting for 60 mol % or more of metals excluding lithium and is in the form of a single particle having an average particle diameter (D50) of 1 to 10 μm, wherein a 100-nm region from the surface toward the center of a particle of the lithium composite transition metal oxide has crystal structures of a Fd3M space group and a Fm3m space group, and a phase ratio (Fd3M/Fm3m), which is a ratio of the maximum straight length of portions occupied by the crystal structure of the Fd3M space group and the crystal structure of the Fm3m space group, is 0.2 to 0.7, as determined in a cross-sectional image file of the particle surface part of the lithium composite transition metal oxide particle, which is obtained using transmission electron microscopy (TEM).
Absstract of: US20260121112A1
The present invention can provide a method for producing a sulfide solid electrolyte, the method characterized by including: a solution preparation step for preparing a uniform solution that includes at least elemental lithium (Li), elemental tin (Sn), elemental phosphorus (P), and elemental sulfur (S) in an organic solvent; a drying step for removing the organic solvent from the uniform solution to obtain a precursor; and a heat treatment step for heat-treating the precursor to obtain a sulfide solid electrolyte.
Absstract of: US20260121185A1
Systems and methods related to securing batteries to micro-mobility transit vehicles are disclosed. In one embodiment, a method for securing a battery of a micro-mobility transit vehicle includes connecting a first electrical interface of the battery with a second electrical interface of a battery compartment in which to place the battery. The method includes inserting a mechanical interface extending from the battery into a receiving interface defined in a side of the battery compartment of the micro-mobility transit vehicle. The method includes placing the battery within the battery compartment. The method includes rotating a battery compartment door to a closed position. The method includes engaging locking cams at a first end of the battery compartment door to secure the battery compartment door in the closed position and the battery within the battery compartment.
Absstract of: US20260121063A1
One embodiment of the present application provides a lithium-sulfur battery positive electrode including a positive electrode current collector and a sulfur layer deposited on a surface of the positive electrode current collector, wherein the sulfur layer contains sulfur and/or a sulfur compound which is a main positive electrode active material, a lithium-containing oxide, and a nitrogen-containing organic compound, and the nitrogen-containing organic compound is a nitrogen-containing heterocyclic compound.
Absstract of: WO2026086584A1
The present invention relates to the technical field of battery production. Disclosed are a hot-pressing apparatus and a battery production device. The hot-pressing apparatus comprises a tray, a hot-pressing assembly, a first driving assembly, and a frame. The tray is provided with an accommodating cavity, a heating core body is arranged in the accommodating cavity, and the heating core body is used for preheating a battery cell. The hot-pressing assembly and the first driving assembly are arranged on the frame, and the hot-pressing assembly is connected to the first driving assembly. The first driving assembly is used for driving the hot-pressing assembly to move in a vertical direction. The rack is provided with an accommodating space for accommodating the tray. Before hot-pressing, the tray is used for moving into the accommodating space so that the tray is located at a bottom portion of the hot-pressing assembly. During the hot-pressing, the hot-pressing assembly is used for, under the driving of the first driving assembly, pressing against a surface of the battery cell. After the hot-pressing is completed, the tray is used for moving out of the accommodating space. In the hot-pressing process of the described hot-pressing apparatus, a grip does not need to be used to repeatedly grip the battery cell, thereby avoiding damage from a grip to the battery cell, and increasing the product yield of the battery cell.
Absstract of: WO2026086537A1
The present application relates to the field of battery production, and discloses a battery cell side film wrapping mechanism. The battery cell side film wrapping mechanism is used for folding a first extension portion of an insulating film onto a first side surface of a battery cell. The film wrapping mechanism comprises edge folding structures and first driving devices. Each first driving device is used for driving the corresponding edge folding structure to move to the side of the first extension portion facing away from the battery cell; is further used for driving the corresponding edge folding structure to move in a first direction by a first distance; is further used for driving the corresponding edge folding structure to move in a second direction, so that the edge folding structure presses the end of the first extension portion, which is close to a first large surface, onto the first side surface; and is further used for driving the corresponding edge folding structure to move close to the first side surface in the first direction, so that the edge folding structure presses the end of the first extension portion, which is distant from the first large surface, onto the first side surface. The battery cell side film wrapping mechanism can press the entire first extension portion onto the first side surface, so that the entire first extension portion is firmly attached to the first side surface, thereby reducing the risk of warping of the first extension portion.
Absstract of: US20260121223A1
A separator for a rechargeable lithium battery including a porous substrate and a heat resistant layer on at least one surface of the porous substrate is disclosed. The heat resistant layer includes a crosslinked binder and a filler, the crosslinked binder includes a crosslinked polymer of an urethane-based compound including at least three curable functional groups and having a molecular weight of greater than or equal to about 10,000, and a (meth)acrylate-based compound including at least two curable functional groups and a molecular weight of less than or equal to about 1,000. The filler includes silica particles having a functional group on the surface. The functional group is selected from a (meth)acrylate group, a vinyl group, a hydroxy group, an epoxy group, an oxane group, an oxetane group, an ester group, and an isocyanate group. A rechargeable lithium battery including the separator is also disclosed.
Absstract of: US20260121421A1
A stackable power supply device, container or unit is provided. The power supply device includes an energy conversion module, such as a solar panel. The power supply device includes several power outlets, such as an interface to recharge rechargeable batteries for power tools, an electrical outlet, and a battery to store energy generated by the solar panel. The power supply device is stackable within a modular storage system.
Absstract of: US20260121168A1
The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix′Coy′Alz′ with x′+y′+z′=1, x′>y′ and x′>z′, as electrochemically active material.
Absstract of: US20260118240A1
The present disclosure relates to a method for predicting the occurrence of electrode crack and delamination, and the objective of the present disclosure is to provide a method for predicting the occurrence of electrode crack and delamination, the method comprising: measuring crack force for a dried electrode; and predicting the occurrence of crack and delamination of the electrode on the basis of the measured crack force.
Absstract of: US20260116258A1
A battery management system for an electrified vehicle configured to diagnose an abnormal behavior of a battery using a cell balancing function, and a method for diagnosing a battery thereof, are provided. The battery management system comprises a processor that is configured to monitor a battery. The processor is further configured to perform primary cell balancing, when a battery cell voltage deviation meets a cell balancing entry condition, determine whether an abnormal cell voltage deviation occurs after the primary cell balancing, and diagnose a progressive voltage drop using (N+1)th-order cell balancing, when it is determined that the abnormal cell voltage deviation occurs.
Absstract of: US20260121167A1
An energy storage system includes a battery module, a converter, and a cooling device. The cooling unit of the cooling device is connected to the first liquid inlet and the second liquid outlet through pipelines. The bypass structure is configured to communicate the first liquid outlet with the second liquid inlet and can bypass a portion of a cooling liquid discharged from the first liquid outlet to outside the second liquid inlet. Therefore, only a portion of the cooling liquid enters the second cooling structure from the first cooling structure, allowing only a single cooling device to meet the different flow rate requirements of the first cooling structure and the second cooling structure.
Absstract of: US20260121139A1
Provided are a charging method, a mobile terminal and a computer-readable storage medium. The method includes operations as follows. Battery aging information is acquired in a case where a battery meets a preset trigger condition, where the preset trigger condition includes a trigger condition for switching from a constant current charging mode to a constant voltage charging mode. Charging is stopped for a preset duration, in a case where it is determined the battery aging information meets a charging acceleration condition. A voltage drop of the battery is obtained based on a voltage of the battery before stopping the charging and a voltage of the battery after stopping the charging, and the battery is charged based on the voltage drop.
Absstract of: US20260118438A1
An information processing method includes: acquiring measurement data of a plurality of energy storage devices; executing, based on measurement data of a first energy storage device group selected from the plurality of energy storage devices, a first process for estimating a degradation state of the first energy storage device group; extracting, from among the plurality of energy storage devices, a second energy storage device to be subjected to a second process; and executing, based on measurement data of the extracted second energy storage device, a second process for estimating a degradation state of the second energy storage device.
Absstract of: US20260116551A1
A hybrid rotor drive system includes: a gas turbine engine including a compressor, a combustor, a turbine, and a first output shaft that mechanically connects the compressor to the turbine; an electric motor including a second output shaft; and a gear box including a first input interface, a second input interface, a speed reducer that reduces speed of rotational force input from the first input interface and the second input interface, and an output interface that outputs the rotational force, which has been reduced in speed by the speed reducer, to a rotor. The first output shaft of the gas turbine engine is mechanically connected to the first input interface, and the second output shaft of the electric motor is mechanically connected to the second input interface.
Absstract of: US20260121069A1
The present invention relates to the technical field of lithium-ion batteries, and particularly provides a positive electrode sheet and a preparation method therefor, and a lithium-ion battery comprising the positive electrode sheet. The positive electrode sheet comprises a positive electrode active material layer, and the positive electrode active material layer comprises a positive electrode material, a negative thermal expansion material, a conductive agent, and a binder, wherein the characteristic value J of the positive electrode sheet satisfies: 0.001≤J≤0.005. wherein J=R(F)/ρ, R(F) represents the peak intensity ratio between the main peak (F) of the negative thermal expansion material and the (003) characteristic peak of the positive electrode material in the XRD pattern of the positive electrode sheet, and p represents the surface density of the positive electrode sheet, with a unit of mg/cm2.
Absstract of: US20260121188A1
A box body includes a first box body, a second box body, a first sealing member and a position-limiting portion. The first box body has a first sealing surface. The second box body has a second sealing surface. The first sealing member is arranged between the first sealing surface and the second sealing surface so that the first sealing surface is in sealed connection with the second sealing surface. The position-limiting portion protrudes from the second sealing surface and is configured to limit the movement of the first sealing member.
Absstract of: US20260115883A1
An electric ratchet wrench as one example of the ratchet wrench includes an electric motor, a holder that rotatably holds a socket via a one-way clutch mechanism, and a spindle configured to convert a driving force from the motor into a reciprocating rotation motion of the holder. A space is provided between the socket and the holder. The space includes large interval portions and small interval portions. The small interval portions are adjacent to the large interval portions in a rotation direction (lock direction) of the socket and have distances smaller than distances of the large interval portions. Additionally, the one-way clutch mechanism includes columnar locking pins disposed between the spaces and have a diameter with a size equal to or less than the distances of the large interval portions and exceeding the distances of the small interval portions.
Absstract of: US20260121060A1
Provided herein are dry process electrode films, and energy storage devices incorporating the same, including a microparticulate non-fibrillizable binder having certain particle sizes. The electrode films exhibit improved mechanical and processing characteristics. Also provided are methods for processing such microparticulate non-fibrillizable electrode film binders, and for incorporating the microparticulate non-fibrillizable binders in electrode films.
Nº publicación: WO2026086353A1 30/04/2026
Applicant:
ZHEJIANG GEELY HOLDING GROUP CO LTD [CN]
GEELY AUTOMOBILE RES INSTITUTE NINGBO CO LTD [CN]
\u6D59\u6C5F\u5409\u5229\u63A7\u80A1\u96C6\u56E2\u6709\u9650\u516C\u53F8
\u5409\u5229\u6C7D\u8F66\u7814\u7A76\u9662\uFF08\u5B81\u6CE2\uFF09\u6709\u9650\u516C\u53F8
Absstract of: WO2026086353A1
An explosion-proof valve and a battery pack, relating to the technical field of batteries, and used for improving the safety of a battery pack. The explosion-proof valve (100) comprises a valve seat (1) and a piston rod (2); the valve seat (1) is provided with a first port (11) and a second port (12), and the first port (11) is communicated with the second port (12); the piston rod (2) is detachably connected to the valve seat (1), and has a first position and a second position; the piston rod (2) comprises a piston body (21) and a rod body (26), the piston body (21) is located at the first port (11) and configured to seal the first port (11), and the rod body (26) is connected to one end of the piston body (21) and slidably passes through the second port (12); at the first position, the piston rod (2) is connected to the valve seat (1), and at the second position, the piston rod (2) is disconnected from the valve seat (1) so as to open the first port (11). In this way, the piston rod (2) is separated from the valve seat (1), so that the piston body (21) of the piston rod (2) can open the first port (11), and thus a battery pack can be communicated with the outside by means of the valve seat (1), thereby slowing down heat propagation in the battery pack, and thus gaining the rescue time for a vehicle and being conducive to improving the safety of the battery pack.
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