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1452
results.
Updated on
06/05/2025 [07:23:00]
Results 475 to 500 of 1452
Absstract of: US2025141030A1
A battery cell holder includes a cell support configured to support battery cells, through-holes through the cell support, an adhesive liquid being fitted in the through-holes, and guide grooves extending on the cell support along longitudinal directions of respective ones of the battery cells, the guide grooves being in fluid communication with the through-holes and being configured to form a passage through which the adhesive liquid is flowable along side surfaces of the battery cells.
Absstract of: US2025141024A1
A battery module is disclosed. In some implementations, the battery module includes: a cell assembly including a plurality of battery cells; a busbar assembly including a busbar electrically connected to at least one of the plurality of battery cells, and a busbar frame disposed on the cell assembly and supporting the busbar; an end plate disposed on each of two sides of the cell assembly; and an end plate cap covering at least a portion of the end plate and connected to the busbar and the busbar frame.
Absstract of: US2025141031A1
The present application provides a battery enclosure, a battery, and a power consuming device. The battery enclosure comprises: an enclosure body having a plurality of side walls enclosing an accommodating space for accommodating battery cells; and first pressure relief mechanisms disposed on at least one side wall and used for pressure relief of the battery enclosure. The first pressure relief mechanisms do not protrude outwardly from the at least one side wall.
Absstract of: US2025140864A1
A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.
Absstract of: US2025140927A1
A non-aqueous battery includes a case, an electrode assembly, and an electrolyte solution. The case has a width direction, a height direction, and a thickness direction. The case includes a first side wall and a second side wall. The second side wall faces the first side wall. Each of the first side wall and the second side wall is orthogonal to the width direction. A positive electrode terminal and a negative electrode terminal are provided at the first side wall. The electrode assembly is of a wound type. A winding axis of the electrode assembly is parallel to the width direction. The electrode assembly includes a first end portion and a second end portion. The first end portion faces the first side wall. A relationship of “R1/R2>1” is satisfied. R1 represents an electrode resistance at the first end portion. R2 represents an electrode resistance at the second end portion.
Absstract of: US2025140926A1
A battery cell includes an electrolyte, positive and negative electrode plates, and a separator between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material includes a carbon-based material and a silicon-carbon composite. A mass percentage of silicon in the silicon-carbon composite with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 10.0%.
Absstract of: US2025140892A1
A battery 10, including an electrode body 30 that includes an electrode and a separator, and an exterior body 20A, 20B that is disposed around the electrode body 30, the battery being restrained by a restraining member, the electrode body 30 having a bonded portion at which the electrode and the separator are bonded to each other, and a non-bonded portion at which the electrode and the separator are not bonded to each other, and at least a part of the non-bonded portion of the electrode body 30 matching a portion of the battery restrained by the restraining member 40.
Absstract of: US2025140891A1
A rechargeable battery includes an electrode assembly including a first wound part and a second wound part connected by a connection part, the electrode assembly being formed by being wound at each of both ends of a stacked body of a first electrode plate, a first separator, a second electrode plate, and a second separator; and a case that accommodates the electrode assembly, wherein the case includes flat sides facing each other at both sides of the case in a width direction, and curved sides at both ends of the case in a length direction, and the flat sides and the first wound part and the second wound part surround an electrolyte solution accommodating space therebetween.
Absstract of: US2025140928A1
The lithium ion battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode mixture. The positive electrode mixture contains a positive electrode active material and active lithium. A mass fraction of the active lithium with respect to a total of the positive electrode active material and the active lithium is 0.25% or more. The electrolytic solution contains a solvent and a lithium salt. The solvent contains a carboxylic acid ester in a volume fraction of 40% or more.
Absstract of: US2025141239A1
A system for managing a battery, may include a wireless communication unit configured to communicate using a plurality of associated lower-level battery management systems disposed in a same battery rack through a first communication channel, and a channel change unit configured to allow the wireless communication unit to communicate with a non-associated lower-level battery management system in a different battery rack using a second communication channel different from the first communication channel for a preset time at a preset period.
Absstract of: US2025141240A1
A method can include modeling a state of each battery cell within a battery pack and contemporaneously with discharging a first subset of battery cells of the battery pack either providing a differential drain on the first subset of battery cells such that battery cells of the first subset of battery cells are discharged faster than a second subset of battery cells or charging the second subset of battery cells (e.g., using the first subset of battery cells) where battery cells are identified as in the first subset or the second subset based on the states of the battery cells.
Absstract of: US2025141020A1
The disclosure relates to a battery module member for a battery module assembly for a battery pack, wherein the battery module member has a longitudinal extension in a longitudinal direction, a width extension in a width direction and a height extension in a height direction, and wherein the battery module member is formed as a frame configured to enclose and retain a plurality of battery cells, as seen in a sectional plane defined by the longitudinal direction and the width direction. The disclosure also relates to a battery module assembly, a battery pack and a vehicle.
Absstract of: US2025141026A1
An intrinsically-safe battery assembly for field devices, the intrinsically-safe battery assembly includes an intrinsically-safe battery and polymeric chassis. In an example, the polymeric chassis is removably coupled to the intrinsically-safe battery and has at least one retention mechanism configured to engage the intrinsically-safe battery. In another example, the polymeric structure has at least one battery ejection mechanism configured to eject the intrinsically-safe battery. A field device is also provided.
Absstract of: US2025141243A1
A temperature detection circuit is provided. The temperature detection circuit includes an enable signal generation module and a detection output module. The enable signal generation module is configured to segmentally generate four detection enable signals. The detection output module is connected to an output terminal of the enable signal generation module, and is configured to segmentally generate four thresholds based on the four detection enable signals, and sequentially compare the four thresholds with a detection value. A charging-prohibited signal is valid when a low temperature protection or a high temperature protection is triggered, and a charging-prohibited/discharging-prohibited signal is valid when an ultra-low temperature protection or an ultra-high temperature protection is triggered. The temperature detection circuit of the present disclosure addresses several issues associated with existing lithium battery temperature protection chips, including difficulties in controlling temperature detection results, unstable accuracy, and a cumbersome trimming process due to excessive variables.
Absstract of: US2025140889A1
A sheet connection device for a secondary battery including: a first main roller around which a first sheet is wound; a second main roller around which a second sheet is wound; a first correction roller configured to wind at least a portion of the first sheet moving from the first main roller; a first sensor configured to detect a position of the first sheet moving from the first main roller to the first correction roller; a controller configured to adjust the position of the first sheet in a sheet width direction while the at least the portion of the first sheet is being wound around the first correction roller; and a connection unit configured to connect the repositioned first sheet with the second sheet.
Absstract of: US2025140888A1
Apparatus and method for aligning the lugs on a stack of battery plates in a jig box. The apparatus comprises a frame carrying a lug alignment mechanism for positioning over the jig box. The frame comprises a set of feet that engage the jig box to locate the lug alignment mechanism. The frame feet on one side comprise fixed surfaces configured to engage contact surfaces on a first side of the jig box. The frame feet on the opposite side comprise for engaging contact surfaces on the corresponding second side. The actuators are operable such that when the frame is positioned over the jig box, moveable surfaces are moveable between a first position and a second position in which they are engaged with the contact surfaces on the second side and the fixed surfaces are engaged with the contact surfaces on the first side.
Absstract of: US2025140790A1
A non-aqueous rechargeable battery includes a cathode sheet, an anode sheet, and a non-aqueous electrolyte solution. A cathode mixture forming the cathode sheet contains a cathode active material, a fibrous conductive material, a hydroxy-NMP, and a cathode binder. An amount of the hydroxy-NMP present per unit area of the cathode active material is between 0.0026 μg/cm2 and 0.0150 g/cm2, inclusive.
Absstract of: US2025140805A1
A negative electrode for a lithium secondary battery, a method for manufacturing the same, and a lithium secondary battery including the same are provided. The negative electrode includes a first negative electrode active material layer having a first negative electrode active material comprising one or more selected from the group consisting of a carbon-based active material, a silicon-based active material, a metal-based active material capable of forming an alloy with lithium, and a lithium-containing nitride; and a second negative electrode active material layer having a second negative electrode active material comprising one or more selected from the group consisting of Si, SiOx (0
Absstract of: US2025140804A1
In accordance with one exemplary embodiment of the present invention, there is a negative electrode active material for a secondary battery which includes a silicon-carbon composite that includes a carbon-based material and a first silicon-based nano-coating layer formed on the carbon-based material; silicon carbide; silicon nitride; and second silicon-based particles.
Absstract of: US2025141014A1
The present invention is intended to provide a lithium battery pack for a wheelchair and medical auxiliary driving equipment, the lithium battery pack including a battery module configured such that a plurality of cylindrical batteries are arranged along the horizontal and vertical directions therein, an insulation case configured to cover the battery module in an insulating manner while fastening the battery module, and a battery case injection-molded with aluminum so that it has excellent heat dissipation performance, wherein the insulation case covering the battery module is allowed to be detachably inserted and fastened into the battery case, so that the lithium battery pack can be easily mounted on various types of auxiliary driving equipment such as a medical electric scooter, a medical electric wheelchair, etc.
Absstract of: US2025141009A1
A battery system for supplying power to a drive unit of a bicycle, includes a housing, wherein a battery module with at least one battery cell is arranged in the housing. The housing is a pot-like housing part, the pot-like housing part has a peripheral housing wall and a bottom formed in one piece therewith, the housing has a closure element, and the battery module is fixedly connected to the bottom. A bicycle having a battery system and a method for assembly of a battery system are also related.
Absstract of: US2025141028A1
A battery pack in one aspect of the present disclosure includes: secondary battery cells each having a cylindrical shape and including a first contact area and a second contact area which are on a side surface of the cylindrical shape thereof and which are different from each other; a rod body having a rod shape extending in one direction, the rod body has a side surface, a part of the side surface of the rod body contacting the first contact area of each secondary battery cells; and a housing having a storage space therein that accommodating the secondary battery cells and the rod body therein, a part of an inner surface of the storage space contacting the second contact area of the each secondary battery cell. While the secondary battery cells and the rod body are accommodated in the storage space of the housing, at least one of the secondary battery cells is held at the first contact area of the at least one secondary battery cell which contacts a part of the side surface of the rod body and at the second contact area of the at least one secondary battery cell which contacts a part of the inner surface of the storage space of the housing.
Absstract of: US2025141034A1
A device may include an enclosure assembly providing an interior that houses at least one battery array. A device may include a pressure relief valve that communicates a flow of vent byproducts from the interior of the enclosure assembly when the pressure relief valve is in an open position. A device may include a filtering system having at least one first filter that filters the flow and at least one second filter that filters the flow, the first filter having a first permeability, the second filter having a second permeability that is different than the first permeability.
Absstract of: US2025141021A1
A battery pack includes a battery seat and a lock assembly. The lock assembly has a button disposed in the battery seat and has two opposite first inclined surfaces, and two lock members disposed in the battery seat and located at two opposite sides of the button. The lock members each have a second inclined surface abutted against the first inclined surface of the button, such that the lock members are pushed closer to each other by the button to move from a lock position to an unlock position, thus unlocking the battery pack from an electronic device. Thus, the present invention allows a user to hold the battery seat by one hand and operate the button by an index finger of the same hand for achieving an unlocking effect. Further, the present invention provides a method of disassembling the battery pack from the electronic device.
Nº publicación: US2025140793A1 01/05/2025
Applicant:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Absstract of: US2025140793A1
A positive electrode active material contains particles of compound A having a composition represented by LixNiaCobMncOy, and particles of compound B having a composition represented by MdOe, wherein, in the particles of compound B, an amount of an element having an ion radius α of 0.60 Å≤α≤1.38 Å is greater than or equal to 45 mol %, and surface area proportion X of the particles of compound B, with respect to a total of the particles of compound A and the particles of compound B, is 0.8%≤X≤19.6%. (Note that 0.1≤x≤1.5, 0.5≤a≤1.0, 0≤b≤0.3, 0≤c≤0.3, a+b+c=1.0, 1.5≤y≤2.1, 0.001≤d≤0.2 and 0.002≤e≤0.4, and M represents at least one element selected from the group consisting of Ti, Zr, Ta, Pr, K, La, Ba, Y, Sr, Ce, Se, Hf and Rh.)
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