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1190
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Updated on
25/10/2026 [07:33:00]
Results 525 to 550 of 1190
Absstract of: US20260321713A1
The present invention relates to an organic-inorganic composite porous membrane for an electrolyte, a composite electrolyte comprising the same, and a secondary battery comprising the composite electrolyte, wherein the organic-inorganic composite porous membrane for an electrolyte includes: a nano-fiber web containing a metal oxide-based nano-fiber; and a binder resin. Accordingly, the organic-inorganic composite porous membrane of the present invention can have excellent ionic conductivity and mechanical strength.
Absstract of: US20260322140A1
0000 Systems and methods for managing battery banks are disclosed. A system may include a plurality of batteries, each battery associated with a battery management system (BMS) configured to control charge and discharge paths. The system further includes a controller configured to: monitor one or more battery parameters associated with the plurality of batteries; control protection states of the plurality of batteries; assign the plurality of batteries into one or more groups based on the monitored battery parameters; enable charging of batteries having relatively lower energy levels during a charging condition; enable discharging of batteries having relatively higher energy levels during a discharging condition; and iteratively modify the protection states of the plurality of batteries to reduce imbalance while the battery bank remains in operation. A mobile surveillance unit is also disclosed.
Absstract of: US20260321580A1
0000 A secondary battery may include a positive electrode and a negative electrode facing each other with a separator interposed therebetween. The negative electrode may include a negative electrode current collector, a negative electrode composite layer disposed on the negative electrode current collector and containing graphite particles and a binder, and a resin layer disposed between a surface of the negative electrode composite layer and the separator. The negative electrode composite layer may include a surface layer in contact with the resin layer and a main layer between the surface layer and the negative electrode current collector. In an XRD profile of the main layer, a degree of orientation, defined as an intensity ratio of a (110) plane to a (002) plane of a graphite crystal, may be 0.03 or greater.
Absstract of: WO2026216900A1
The present disclosure relates to a lithium secondary battery and a preparation method therefor. An embodiment provides a lithium secondary battery comprising: a positive electrode comprising a positive electrode current collector and a positive electrode mixture layer arranged on the positive electrode current collector; a negative electrode comprising a negative electrode current collector; a volume-change absorption layer arranged on the positive electrode or the negative electrode and having a three-dimensional network structure in which a polymer resin is formed in the form of nanofibers; and a gel polymer electrolyte comprising a polymer, an organic solvent, and a Lewis acidic lithium salt, wherein the polymer comprises a main chain consisting of a carbon-carbon-based chain, and has a structure in which a cyano group (-CN)-containing functional group and a hydroxy group (-OH)-containing functional group are bonded to the main chain.
Absstract of: DE102025001205A1
Die Erfindung betrifft ein Verfahren zum Kühlen einer Antriebsbatterie (20) eines elektrisch betreibbaren Fahrzeugs (10), welche Antriebsbatterie (20) eine Mehrzahl von Batteriezellen aufweist, umfassend Kühlen der Antriebsbatterie (20) während eines Ladevorgangs durch Leiten eines Luftstroms aus einer Drucklufteinrichtung (14) des Fahrzeugs (10) über eine Abzweigleitung (16) der Drucklufteinrichtung (14) durch einen Batterieinnenraum (22) der Antriebsbatterie (20).Die Erfindung betrifft ferner ein System (100) zum Kühlen einer Antriebsbatterie (20) eines elektrisch betreibbaren Fahrzeugs (10).
Absstract of: AT529199A1
Die Erfindung betrifft ein Batteriemodul mit zumindest einer Batterieeinheit (1, 2) umfassend mehrere Batteriesubeinheiten (3) wie Batteriezellen, wobei das Batteriemodul ein Gehäuse (4) aufweist, in der die Batterieeinheit (1, 2) angeordnet ist, wobei das Gehäuse (4) an zumindest einer Seite der Batterieeinheit (1, 2) Gasableiträume (7, 8, 10) zum Ableiten von durch die Batterieeinheit (1, 2) produziertem Gas und Partikel aufweist, wobei an der zumindest einen Seite der Batterieeinheit (1, 2) eine erste Ableitebene (E1) und eine zweite Ableitebene (E2) vorgesehen sind, die jeweils Gasableiträume (7, 8) aufweisen, wobei die erste Ableitebene (E1) zwischen der Batterieeinheit (1, 2) und der zweiten Ableitebene (E2) angeordnet ist, dadurch gekennzeichnet, dass Gasableiträume (7, 8, 10) der ersten Ableitebene (E1) zumindest teilweise als erste Ableitkanäle (7) ausgeführt sind und dass Gasableiträume (7, 8, 10) der zweiten Ableitebene (E2) zumindest teilweise als zweite Ableitkanäle (8) ausgeführt sind, welche in einem Winkel (13) zu den ersten Ableitkanälen (7) der ersten Ableitebene (E1) verlaufen und zumindest teilweise mit den ersten Ableitkanälen (7) der ersten Ableitebene (E1) strömungsverbunden sind.
Absstract of: KR20260150358A
0001a 본 발명의 일 실시예는 복수의 배터리 셀들이 적층된 적층체, 상기 적층체의 양측에 각각 배치된 냉각 플레이트 및 상기 냉각 플레이트와 접하도록 상기 적층체의 양측에 각각 배치된 냉각부재를 포함하고, 상기 냉각부재는 제1 냉각부재 및 제2 냉각부재를 포함하며, 상기 제1 냉각부재 및 상기 제2 냉각부재는 상기 냉각 플레이트의 서로 다른 면에 각각 접하는 배터리 모듈을 제공한다.
Absstract of: US20260321835A1
An apparatus for cutting a prismatic battery cell can including a base, a fixture coupled to the base for orienting the prismatic battery cell can, and a cutting device. The cutting device includes one or more guide rails coupled to the base, a retainer coupled to the one or more guide rails and movable with respect to a first axis, a tool guide coupled to the base, and one or more cutting tools coupled to the retainer and to the tool guide, the one or more cutting tools being movable with respect to the first axis and a second axis that is perpendicular to the first axis.
Absstract of: US20260321754A1
0000 An apparatus for inspecting whether an aluminum layer is exposed in a pouch cell or a battery module including a plurality of stacked pouch cells according to an embodiment of the present disclosure may include at least one contact part configured to contact a cut surface of a sealing portion of the pouch cell and be electrically connected to the aluminum layer, a photon irradiator configured to irradiate photons toward a surface of the pouch cell to induce a photoelectric effect in the aluminum layer when the aluminum layer is exposed, and a controller including a determination unit configured to read an electrical signal generated when electrons emitted from the aluminum layer by the photoelectric effect are transmitted through the at least one contact part, and determine whether the aluminum layer is exposed based on the read electrical signal.
Absstract of: WO2026214203A1
A lithium metal battery and a manufacturing method therefor, and an electric device. The lithium metal battery comprises a negative electrode sheet, a positive electrode sheet, and an electrolyte. The negative electrode sheet comprises lithium metal; the electrolyte comprises a lithium salt, a long-chain fluoroether solvent A, and a short-chain fluoroether solvent B; and the structures of the long-chain fluoroether solvent A and the short-chain fluoroether solvent B are represented by formula I and formula II, respectively, wherein R1 is selected from F, C1-C3 alkyl or fluorinated C1-C3 alkyl; R'1 is selected from H, C1-C3 alkyl or fluorinated C1-C3 alkyl; R2 and R3 are each independently selected from C1-C3 alkyl or fluorinated C1-C3 alkyl; R4 and R7 are each independently selected from F or fluorinated C1-C3 alkyl; and R5-R9 are each independently selected from H or F.
Absstract of: US20260316598A1
0000 An energy storage device includes a first major component associated with an electrochemical subsystem and a second major component associated with an electrical control subsystem. The components are configured to join at an electrically isolable interface formed by complementary subcomponent connectors. The interface enables the major components to be selectively coupled or uncoupled to establish or interrupt electrical continuity, facilitating safe handling, service, and transport. In some embodiments, the connectors include embedded conductive elements, male-to-female structures, or removable pin interfaces that provide electrical isolation when disengaged. The device may further include enclosure structures, mounting features, cable-routing paths, and thermal or shielding elements that support modular assembly and system integration. Methods of assembling, isolating, servicing, and preparing the energy storage device for installation or operation are also provided.
Absstract of: WO2026216262A1
This power storage device comprises: an electrode group 2 having a positive electrode 10, a negative electrode 12, and a separator 14; and an electrolyte solution. The negative electrode 12 has a negative electrode mixture layer 36 containing a negative electrode active material. The negative electrode active material contains a silicon-containing material. The separator 14 has a base material 38 composed of polyolefin. On the surface of the base material 38, a ratio, O/C, of the area of the O1s peak measured by X-ray photoelectron spectroscopy to the area of the C1s peak measured by X-ray photoelectron spectroscopy is more than 0.01 but less than 0.11.
Absstract of: DE102025114646A1
Die Offenbarung betrifft ein Verfahren zum Erfassen eines thermischen Durchgehens einer in einem Gehäuse (4) eines elektrischen Energiespeichers (2) aufgenommenen Speicherzelle (3), mit den Schritten:- Bereitstellen eines Temperierkreislaufs (5) zum Temperieren der Speicherzellen (3), wobei der Temperierkreislauf (5) zumindest ein von einem Kühlfluid durchströmtes Kühlelement (6) mit einem veränderlichen Strömungsquerschnitt aufweist,- Bereitstellen einer in dem Temperierkreislauf (5) angeordneten Sensoreinheit (11) zum Detektieren einer Druck- und/oder Füllstandsänderung in dem Temperierkreislauf (5), und- Erfassen des thermischen Durchgehens, wenn die Druck- und/oder Füllstandsänderung einen vorbestimmten Schwellenwert übersteigt.
Absstract of: US20260316151A1
A belt caster wheel assembly for a battery component continuous casting machine is set forth. As main components, the belt caster wheel assembly has a rotatable caster wheel, a moveable belt, and one or more temperature-controlled shoes. Compared to past approaches, the belt caster wheel assembly exhibits a heightened degree of temperature control capabilities at and/or near a mold cavity of the rotatable caster wheel, enabling a faster run-rate thereof and an increased production effectiveness and efficiency of a continuous strip of battery components that are ultimately produced. In various implementations, the temperature control capabilities are effected via one or more of: pockets residing at the mold cavity, one or more internal recesses residing in a cylindrical wall of the rotatable caster wheel, and/or one or more inserts disposed at an interior region of the cylindrical wall.
Absstract of: US20260321733A1
In an electrode laminate module of the present disclosure, a current collector layer includes an extension portion extending beyond a cathode active material layer and an anode active material layer. A plurality of bipolar electrode laminates, a plurality of separator layers, and a plurality of resin sealing members are repeatedly stacked in a peripheral edge of the electrode laminate module in order of the bipolar electrode laminate, the resin sealing member, the separator layer, and the resin sealing member. The current collector layers of all or part of the bipolar electrode laminates each include, at part of a peripheral edge, an exposed portion that is exposed from the resin sealing members.
Absstract of: US20260316583A1
0000 An electrical energy system for a vehicle includes a high voltage system including battery cells arranged in at least two strings of battery cells, at least one DC/DC converter for each of the strings of battery cells configured to down-convert a high voltage from the high voltage system to a low voltage provided to the low voltage system, a cell supervision system for supervising voltages of individual battery cells of the high voltage system including a separate communication loop for each of the strings of battery cells, a switching unit configured to selectively connect or disconnect the strings, and a control unit configured to control the switching unit to disconnect an affected string from the high voltage system and the low voltage system and to connect or keep another string connected with the high voltage system and/or the low voltage system.
Absstract of: WO2026216698A1
The present invention relates to a positive electrode for an all-solid-state battery and an all-solid-state battery comprising same. The positive electrode for an all-solid-state battery comprises: a positive electrode current collector; and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a solid electrolyte, and viscoelastic crystals, the viscoelastic crystals are derived from a mixture of plastic crystals and an acrylate-based compound, and the plastic crystals have a structure formed by the bonding of a cation represented by chemical formula 1 and an anion represented by chemical formula 2.
Absstract of: US20260321845A1
0000 A rechargeable battery pack supplies electrical drive power to an electrically driven piece of work equipment. The rechargeable battery pack has rechargeable battery cells, electrical cell contactors, and an FPC connector. The cell contactors are electrically connected to the rechargeable battery cells. The FPC connector is electrically connected to the cell contactors in each case by resistance welding joints produced from above via welding electrodes. The rechargeable battery pack has a cell holder that holds the rechargeable battery cells. The cell holder is formed as a welding support for producing the resistance welding joints. The cell holder is arranged physically below the cell contactor and the FPC connector, and/or the FPC connector has electrically conductive connector welding surfaces, wherein the connector welding surfaces each extend continuously between welding points of the resistance welding joints with a respective cell contactor of the cell contactors, in particular wherein the cell contactors are physically arranged below the connector welding surfaces to produce the resistance welding joints.
Absstract of: US20260321904A1
0000 A rechargeable battery pack supplies electrical drive power to electrically driven piece of work equipment. The rechargeable battery pack has rechargeable battery cells, an FPC connector and a pack housing. The FPC connector is electrically connected to the rechargeable battery cells. The rechargeable battery cells and the FPC connector are physically arranged in the pack housing. The pack housing has guide grooves which, running side by side, are designed to guide the rechargeable battery pack for mechanical connection with the piece of work equipment. The FPC connector is physically arranged between the guide grooves and not next to the guide grooves, and/or the rechargeable battery pack has at least one cell holder, wherein the cell holder is physically arranged in the pack housing. The cell holder has at least one holding part, wherein the holding part holds the rechargeable battery cells. The cell holder has at least one spacer projection such that the pack housing, together with the at least one holding part, forms a gap, wherein the FPC connector is physically arranged in a connector space created by the gap.
Absstract of: US20260321931A1
Embodiments pertain to a system and method for electrostatic discharge protection, incorporating a housing composed of dissipative material, an electrical sink, and battery contacts encased in insulators. The system is designed such that the first battery contact is electrically connected to the dissipative material with a lower resistance than the second contact, establishing a dedicated path to the electrical sink. This configuration is suitable for portable communication devices and battery cells, ensuring compliance with applicable safety standards by effectively managing electrostatic discharge.
Absstract of: US20260321839A1
A battery pack includes a pack housing and a plurality of battery cells accommodated in the pack housing. A spraying unit including a flow tube is arranged inside the pack housing. The spraying unit is configured to adjust a spraying path to cause a fire extinguishing agent to be sprayed toward any one of the battery cells.
Absstract of: US20260321737A1
0000 An electrode-separator assembly includes: an electrode assembly; and a separator. The electrode assembly includes: a conductive substrate coated with electrode material; a first face; a second face opposite the first face; a first end defining a first serrated geometry; a second end opposite the first end and defining a second serrated geometry; a first side extending between the first end and the second end; and a second side opposite the first side. The separator includes a conformal separator coating and extends continuously: across the first face and the second face of the first electrode assembly; around the first side and the second side of the first electrode assembly; and around proximal resected regions on the first end and the second end of the first electrode assembly.
Absstract of: US20260321913A1
An electrode assembly includes a first electrode plate, a plurality of first electrode tabs connected to the first electrode plate, a second electrode plate wound together with the first electrode plate about an axis that extends in a first direction, and a plurality of second electrode tabs connected to the second electrode plate. The plurality of first electrode tabs do not to overlap each other in a second direction that is perpendicular to the first direction.
Absstract of: US20260321906A1
A cap plate assembly electrically connected to an electrode tab of at least one electrode assembly, the cap plate assembly may include: a foil connector including a plurality of ribs extending in a first direction and arranged side by side in a second direction intersecting the first direction; a cap plate including a plurality of grooves overlapping the plurality of ribs in a third direction intersecting the first direction and the second direction; and a weld portion electrically connecting the electrode tab, the plurality of ribs, and the plurality of grooves to each other.
Nº publicación: US20260321736A1 15/10/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Absstract of: US20260321736A1
0000 An electrode assembly including a first electrode; a second electrode; and a separator between the first electrode and the second electrode, the first electrode, the second electrode, and the separator are stacked and wound in a circular direction, the first electrode comprises a first current collector comprising a first uncoated portion; a first active material layer located on the first current collector; and a first electrode tab formed by the first uncoated portion, the second electrode comprises a second current collector including a second uncoated portion; a second active material layer located on the second current collector; and a second electrode tab formed by the second uncoated portion, the first electrode tab and the second electrode tab extend in opposite directions, and at least one electrode tab of the first electrode tab and the second electrode tab is wound the circular direction.
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