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575
results.
Updated on
14/09/2026 [07:52:00]
Results 75 to 100 of 575
Absstract of: US20260269399A1
Power storage module (10) includes: a plurality of power storages (20); holder (50) including a plurality of containers (51), in which each of the plurality of power storages (20) is accommodated in a corresponding one of the plurality of containers (51), holder (50) includes skeleton (54) made of a first material and deformation portion (55) made of a second material having a lower strength than a strength of the first material, and deformation portion (55) is disposed along a first direction orthogonal to an axial direction of the power storage (20).
Absstract of: US20260269340A1
Disclosed is a nail penetration test device, which can improve the performance of nail penetration tests. The device includes: a voltage acquisition module, including a first connection port and a second connection port, where the first connection port is connected to a nail, and the second connection port is connected to a first electrode terminal of a battery cell; and a nail mechanism, configured to control the nail to move toward the battery cell, where the voltage acquisition module is configured to detect a voltage between the nail and the first electrode terminal during the movement of the nail toward the battery cell, and the voltage is used to determine an initial penetration position of the nail on the battery cell.
Absstract of: US20260269332A1
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer comprises anode active particles, an anode electrically conducting material and an anode binder; wherein the anode binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer that comprises an ether linkage or comprises multiple hydroxyl groups and wherein the second repeat unit is derived from the polymerization of an ethylenically unsaturated monomer that comprises a hydrophilic pendant group.
Absstract of: US20260269263A1
This composite includes: activated carbon that has a specific surface area of 1400 m2/g or greater and satisfies one or both of the following conditions (A) and (B); and at least one of elemental sulfur and a discharge product of elemental sulfur. (A) The peak width of the D band in the Raman spectrum of the activated carbon is 100 cm−1 or less. (B) The peak width of the G band in the Raman spectrum of the activated carbon is 70 cm−1 or less.
Absstract of: AU2025222770A1
A cooling assembly (106) for a battery system (100) includes an inlet system (200). The inlet system (200) includes an inlet manifold (202), an inlet connecting tube (210), a first inlet connecting member (211) defining a first surface (212) and at least one first inlet fluid port (214), and a second inlet connecting member (222) defining at least one second inlet fluid port (226) in fluid communication with the at least one first inlet fluid port (214) of the first inlet connecting member (211). The cooling assembly (106) also includes an outlet system (700) in fluid communication with the inlet system (200). The outlet system (700) includes an outlet manifold (702), a first outlet connecting member (708) defining at least one first outlet fluid port (716, 718), an outlet connecting tube (720), and a second outlet connecting member (722) defining at least one second outlet fluid port (730, 732).
Absstract of: WO2026183658A1
An electrolyte solution and an electrochemical device. The electrolyte solution comprises at least one of compounds of formula I and a polycyano compound. Formula I, wherein R1, R2, R3 and R4 are each independently selected from a hydrogen atom, a fluorine atom, a cyano group, a methylsulfonic acid group, an ethylsulfonic acid group, a propylsulfonic acid group, and an unsubstituted or fluorine-atom-substituted C1 to C3 alkyl group. On the basis of the total mass of the electrolyte solution, the mass content of the compound of formula I is A, and the mass content of the polycyano compound is B, wherein 0.01%≤A≤5%, and 0.1%≤B≤10%. The electrochemical device has good cycle performance and high-temperature storage performance.
Absstract of: AU2024424741A1
Provided in the embodiments of the present application are a method and apparatus for manufacturing a battery, and a control system. The method comprises: performing formation treatment on a battery cell; performing a self-discharge rate (K-value) test and/or an aging test on the battery cell which has undergone the formation treatment, such that the voltage of the battery cell is stable; performing a direct-current resistance test and a capacity test on the battery cell which has undergone the self-discharge rate (K-value) test and/or the aging test; performing a capacity test on the battery cell which has undergone the direct-current resistance test; and performing grading on the battery cell on the basis of a result of the direct-current resistance test and/or a result of the capacity test. The method and apparatus, and the control system in the embodiments of the present application can prolong the service life of a product.
Absstract of: US20260269348A1
A degassing device is a device for degassing gases inside a battery cell after an activation process of the battery cell including an electrode assembly, which may include a degassing pretreatment part provided to irradiate the battery cell with a microwave, for vibrating and heating the gases in the battery cell, and a degassing part provided so that after the microwave irradiation, a gas pocket in the battery cell is pierced and the gases are vacuum-sucked through the pierced portion.
Absstract of: US20260266908A1
Disclosed is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a processor configured to control a stimulation application device to intermittently apply a second electric stimulation that is greater than a first electric stimulation to a target cell during a state change period, and a communication unit configured to obtain current time series data during the state change period and voltage time series data representing a change history of a full-cell voltage of the target cell during rperiods of rest between the intermittently applied second electric stimulation given in the state change period. The processor generates a measurement full-cell profile based on the current time series data and the voltage time series data, and analyzes the measurement full-cell profile to estimate a negative electrode participation start point.
Absstract of: US20260269308A1
The positive electrode for an all-solid-state secondary battery according to the present invention contains a positive electrode active material and a sulfide-based solid electrolyte, and at least a portion of the surface of the positive electrode active material is coated with a coating layer having a composition that contains a compound containing a P—O bond and a compound containing a B—O bond. Also, an all-solid-state secondary battery according to the present invention includes: at least one electrode body in which a negative electrode and a positive electrode face each other with a solid electrolyte layer interposed between the negative electrode and the positive electrode, and the positive electrode is the positive electrode for an all-solid-state secondary battery according to the present invention.
Absstract of: US20260269313A1
Provided is an electrolyte for a power storage device such as a capacitor or a secondary battery, the electrolyte containing, as a charge carrier, a substance having a low environmental load and high safety. The electrolyte for a power storage device uses an ion-modified cellulose as a charge carrier. The ion-modified cellulose is preferably anion-modified cellulose, and may be anion-modified cellulose nanofibers.
Absstract of: US20260271205A1
The electrical device includes an outer case made of resin, a label adhered to an adhesion region provided on a surface of the outer case, and a heat-generating member stored in the outer case. The adhesion region includes a plurality of grooves extending in one direction.
Absstract of: US20260269262A1
0000 A solvent-free process employs carbon nanotubes to prepare compositions and electrodes for lithium-ion batteries. The carbon nanotubes can be multifunctional, providing two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a fibrillizing agent and/or as a mechanical reinforcement. In one example, the carbon nanotubes are provided in combination with a carbon black. In another example, an electroactive material, a fibrillizable binder, e.g., PTFE, and carbon nanotubes are combined in one or more steps. High shear mixing is used to fibrillize the binder. The resulting composition can be formed into a film which can be applied onto a suitable substrate to form an electrode.
Absstract of: US20260269305A1
This solid electrolyte battery includes: a positive electrode; a negative electrode; and a solid electrolyte layer sandwiched between the positive electrode and the negative electrode. The solid electrolyte layer contains a solid electrolyte containing Li, Zr, SOx, and one or more halogens. A first region of the solid electrolyte layer which is in contact with the negative electrode contains P. The solid electrolyte layer has a molar ratio of SOx to Zr of 0.25 to 3.0, a molar ratio of P to Zr of 0.02 to 0.6, and a molar ratio of the halogens to Zr of 3.0 to 6.1.
Absstract of: WO2026184194A1
The present application provides an energy storage device. The energy storage device comprises a battery pack and an energy storage inverter; the battery pack comprises a battery body and a first cooling component, and the first cooling component is configured to adjust the temperature of the battery body; the energy storage inverter comprises an inverter body and a second cooling component, and the second cooling component is configured to adjust the temperature of the inverter body; and a liquid cooling unit is connected to the first cooling component to form a first cooling loop, and is connected to the second cooling component to form a second cooling loop, the first cooling loop and the second cooling loop being independent of each other.
Absstract of: WO2026184254A1
Provided in the embodiments of the present application are a battery cell, a lithium-ion battery, and an electrical apparatus. The battery cell comprises an electrolyte, the electrolyte comprising a carboxylic ester solvent; the battery cell comprises a positive electrode sheet, the positive electrode sheet comprising a positive electrode active material, and the positive electrode active material comprising a lithium transition metal oxide; and the IMP internal resistance of the battery cell satisfies: 0.2 mΩ≤RIMP≤2 mΩ. The battery cell has good overcharge resistance and cycle performance.
Absstract of: DE102026103217A1
Die vorliegende Anmeldung offenbart eine Vorrichtung und ein Verfahren zur Sicherheitsprüfung von Leistungsbatterien, ein Endgerät und ein Medium. Die Vorrichtung umfasst eine Basis, einen geschlossenen kugelförmigen Tank, eine Testplattform, einen Portalrahmen und ein Steuermodul. Der geschlossene kugelförmige Tank umfasst einen oberen Teil und einen unteren Teil des kugelförmigen Tanks. Die Testplattform befindet sich im Inneren des unteren Teils des kugelförmigen Tanks. Eine Befestigungsplattform für die Batterie der Testplattform ist im Kugelmittelpunkt des unteren Teils des kugelförmigen Tanks angeordnet. Die Sensorhalterung ist umlaufend um die Befestigungsplattform für die Batterie angeordnet und in verschiedenen Richtungen jeweils mit Sensoren ausgestattet. Das Steuermodul ist in der Lage, einen Betriebsmodus eines Auslösungsmoduls zur Induktion eines Batterieversagens zu steuern, um ein thermisches Durchgehen einer zu prüfenden Batterie zu erzeugen, und auf Basis der überwachten Werte der Sensoren sowie einer entsprechenden Gewichtung dieser Werte einen Sicherheitswert der zu prüfenden Batterie zu bestimmen. Die Vorrichtung der vorliegenden Anmeldung ermöglicht durch Verwendung einer kugelförmigen Begrenzung sowie Sensoren an verschiedenen Positionen eine direkte und vollumfängliche Überwachung der Verteilung der verschiedenen überwachten Werte während eines Batterieversagens. Auf diese Weise ergibt sich ein Sicherheitswert mit hoher Zuverlässigke
Absstract of: US20260269418A1
A safety valve includes a middle section formed in a rectangular shape at a depressed section of an exterior body, one end section that is continuous with the middle section at the depressed section and is formed in a semicircular shape on the side of one end of the middle section along a first direction (longitudinal direction X), and another end section that is continuous with the middle section at the depressed section and is formed in a semicircular shape on the side of another end of the middle section along the first direction. A first groove and a second groove of the safety valve are formed in linear shapes, a third groove and a fourth groove of the safety valve are formed in arcuate shapes, and the thickness of the first groove is thicker than the thickness of the second groove, the third groove, and the fourth groove.
Absstract of: WO2026184327A1
The present application relates to an electrolyte, a secondary battery, and an electronic device. Specifically, the present application provides an electrolyte. The electrolyte comprises propylene carbonate, propyl propionate, succinonitrile, and 1,3,6-hexanetricarbonitrile. Based on 100 parts by mass of the electrolyte, the propylene carbonate is 14 to 20 parts by mass, the propyl propionate is 10 to 55 parts by mass, the succinonitrile is 0.3 to 4 parts by mass, and the 1,3,6-hexanetricarbonitrile is 1 to 6 parts by mass. The present application can improve the low-temperature discharge performance and over-temperature safety performance of a secondary battery.
Absstract of: US20260269218A1
A lithium-sulfur positive electrode material that can be incorporated into a lithium-sulfur battery includes a sulfur host material configured to receive a sulfur electroactive material that cycles lithium ions. The sulfur host material includes a fibrous carbonaceous network, an electroactive metal associated with the fibrous carbonaceous network, and a plurality of carbon nanotubes formed on the fibrous carbonaceous network. Methods of making a lithium-positive electrode material may include forming a porous membrane from aramid nanofibers, contacting a salt including the electroactive metal with it, contacting a plurality of zeolitic imidazolate framework-67 particles with it, pyrolyzing to form a fibrous carbonaceous network having the electroactive metal, and then forming a plurality of carbon nanoparticles on a plurality of sites in the fibrous carbonaceous network.
Absstract of: US20260268286A1
An electromechanical device, such as a stick vacuum cleaner, a regenerating system and methods are disclosed. The electromechanical device includes a central structure in which at least one electronic device is assembled and, electrically connected to at least one electromechanical device. The at least one electronic device being capable of supplying electrical power and controlling said at least one electromechanical device. These devices are arranged in the form of modules assembled in the central structure and are electrically or functionally connected to each other without tools and in such a way as to be directly operational after their assembly in the central structure.
Absstract of: US20260269415A1
A battery cell arrangement including a battery tray 2 arranged on the underside in the installation position, designed to hold several battery cells 4 arranged next to each other, a battery cell holder 6 acting as a holding element with several battery cell receptacles designed to hold the battery cells 4 inserted into them, a contact carrier 10 arranged on top of the battery cells and comprising contacts for electrical connection to battery cells 4, and a casting resin 8 insertable into the battery tray 2 to enclose the battery cells 4 in the battery cell holder 6 and, if necessary, the contact carrier 10. To reduce throughput times, the battery cell holder 6 is designed as a shell-like battery cell holder shell open at one end, which has a closed holder plane that acts as a mounting surface and is spaced from the open end by a holder edge. The battery cell receptacles include battery cell holder jacket surfaces designed as stubs, and an intermediate section 61 is formed between two adjacent battery cell holder shell surfaces.
Absstract of: US20260265470A1
A polyamide molding composition including at least one polyamide (PA), glass fibers (GFs), and at least one flame retardant (FR), wherein a time of failure (tF) of the composition is at least 5.0 min, preferably at least 6.0 min, more preferably at least 10.0 min, and to a polyamide molding composition including at least one PA, GFs, and at least one FR, wherein the distribution of the lengths of the GFs is characterized by an arithmetic average length (Lav) of 220 μm or more; and the proportion of the GFs having a length higher than 400 μm is at least 20% (in numbers). An article including said composition, and to use of the glass fibers and a flame retardant in improving thermal resistance of a polyamide molding composition.
Absstract of: WO2026183950A1
The present invention belongs to the technical field of energy storage batteries. Provided are a tin-carbon composite material, and a preparation method therefor and the use thereof. The tin-carbon composite material comprises porous hard carbon containing mutually communicating pore channels and carbon-coated tin nanodots in the pore channels. The suitable pore channel structure cooperates with the carbon-coated tin nanodots in the pore channels to synergistically improve the electrochemical performance of the tin-carbon composite material; and the capacity, initial coulombic efficiency, cycle life and fast charging performance of a sodium-ion battery assembled by using the tin-carbon composite material as a working electrode are optimized.
Nº publicación: WO2026184302A1 10/09/2026
Applicant:
HUAWEI TECH CO LTD [CN]
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Absstract of: WO2026184302A1
Provided in the present application are a PCS, an energy storage system and a power replenishment method therefor. Four bridge arms connected in parallel are provided in the PCS, the midpoints of the four bridge arms being respectively connected in series to inductors and then connected to four alternating-current ports, and the four alternating-current ports being used for connecting to one of phase lines or a neutral line of a power grid. In this way, when two of the four alternating-current ports are connected to the power grid, by controlling the operation of the bridge arms connected to the two alternating-current ports that are connected to the power grid, the PCS can be controlled to operate so as to replenish power to the energy storage system. In addition, when three of the four alternating-current ports are connected to three phase lines of a three-phase power grid, and when the four alternating-current ports are connected to three phase lines and a neutral line of a three-phase four-wire system, the PCS can also operate to replenish power to the energy storage system, such that the energy storage system can undergo power replenishment when connected to a power grid of any system, thereby improving the adaptability of power replenishment for the energy storage system.
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