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575
results.
Updated on
14/09/2026 [07:52:00]
Results 225 to 250 of 575
Absstract of: DE102025108567A1
Die Erfindung betrifft ein elektrisch betriebenes Fahrzeug mit zumindest einem Montageraum (3) und einem Batteriesystem (5), das im Montageraum (3) des Fahrzeugs angeordnet ist, wobei das Batteriesystem (5) aus Batteriezellen (13) und einer elektronischen Steuereinheit besteht. Erfindungsgemäß weist das Batteriesystem (5) eine modulare Systemarchitektur auf, bei der die Batteriezellen (13) jeweils zu voneinander separat montierbaren/demontierbaren Zellblöcken (7) zusammengefasst sind, und die elektronische Steuereinheit als ein separat von den Zellblöcken (7) montierbarer/demontierbarer Steuerblock (9) bereitgestellt ist.
Absstract of: WO2026184252A1
A battery cell and a preparation method therefor, and an electric device. The battery cell comprises a negative electrode sheet and a positive electrode sheet arranged opposingly; the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer provided on the negative electrode current collector; the negative electrode film layer comprises a negative electrode active material; the negative electrode active material comprises graphite; the particle size Dv50 of the graphite ranges from 3μm to 12 μm, and the areal density of the negative electrode film layer of the battery cell in a 100% state of charge ranges from 3 mg/cm2 to 5 mg/cm2; the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer provided on the positive electrode current collector; the positive electrode film layer comprises a positive electrode active material; and the particle size Dv50 of the positive electrode active material ranges from 2.5 μm to 5 μm, and the areal density of the positive electrode film layer of the battery cell in the 100% state of charge ranges from 5 mg/cm2 to 9 mg/cm2.
Absstract of: WO2026184251A1
The present invention relates to the technical field of batteries, and discloses a lithium-ion battery cell, a lithium-ion battery and an electric device. The lithium-ion battery cell comprises: an electrolyte, wherein the electrolyte comprises a carboxylate solvent, and based on the total mass of the electrolyte, the mass content W1 of the carboxylate solvent satisfies: 5 wt%≤W1≤80 wt%; and a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode film layer, the positive electrode film layer comprises a conductive agent, the conductive agent comprises a one-dimensional carbon-based material, and the one-dimensional carbon-based material comprises one or more of carbon fibers, carbon nanotubes and carbon nanowires. The technical solution of the present application is beneficial for improving the fast charging performance of the battery cell and prolonging the cycle life thereof.
Absstract of: US20260265120A1
A sodium oxide-doped oxynitride glass-ceramic electrolyte includes Na3.6K1.4Ca5.7Mg3.6Al12.6Si16.5O50N6.8 and Na2O, where the sodium oxide-doped oxynitride glass-ceramic is formed by spark plasma sintering a mixture including the Na3.6K1.4Ca5.7Mg3.6Al12.6Si16.5O50N6.8 and the Na2O. The amount of Na2O present in the mixture is in a range from 3 wt. % to 12 wt. % of the total weight of the mixture. The sodium oxide-doped oxynitride glass-ceramic has an alternating current (AC) conductivity greater than or equal to 5×10−11 siemens per centimeter (S·cm−1) measured at 295-degree kelvin (K) and a frequency of 100 Hertz (Hz).
Absstract of: US20260269325A1
0000 A winding-type electrode assembly and a lithium secondary battery including the same, wherein the winding-type electrode assembly can achieve a uniform charging performance of the electrode assembly by controlling the alignment of carbon-based negative electrode active materials contained in the negative electrode active layer according to the degree of spacing of the negative electrode active layers provided on both sides of the negative electrode current collector relative to the winding center of the electrode assembly, as well as improve the performance deterioration of the negative electrode current collector caused by wrinkling, loosening, buckling, etc. during charge and discharge for a long period of time, so the secondary battery comprising the same has the advantage of excellent charge and discharge performance for a long period of time.
Absstract of: WO2026186492A1
Provided is a manufacturing method of an all-solid-state battery in which the strength of a package sealing a power storage element inside is hardly reduced. Provided is a manufacturing method of an all-solid-state battery 1 which includes: a power storage element 2 having a solid electrolyte layer 3, a positive electrode layer 4, and a negative electrode layer 5; a first current collector layer 6 provided on one main surface 2a side of the power storage element 2; a second current collector layer 7 provided on the other main surface 2b side of the power storage element 2; and a bonding layer 9 provided between the first current collector layer 6 and the second current collector layer 7, and in which the power storage element 2 is sealed in a package 10 including the first current collector layer 6, the second current collector layer 7, and the bonding layer 9, the manufacturing method comprising: a preparing step for preparing the package 10 in which the power storage element 2 is disposed inside and a through-hole 8 is provided in the first current collector layer 6 or the second current collector layer 7; and a decompression sealing step for decompressing and exhausting the inside of the package 10 by means of the through-hole 8 and sealing the through-hole 8 after the decompression and exhaustion.
Absstract of: WO2026186601A1
Provided are: a charge/discharge system that can safely and efficiently warm up a secondary battery without using auxiliary equipment; and a method for warming up a secondary battery. A charge/discharge system 10 comprises: a bidirectional AC/DC converter 13; a first bidirectional DC/DC converter 14; and a control device 20 that controls the operation of the bidirectional AC/DC converter 13 and the operation of the first bidirectional DC/DC converter 14. The first bidirectional DC/DC converter 14 detects a battery voltage of a first secondary battery 11, and provides the detected battery voltage to the control device 20. The charge/discharge system 10 further comprises a signal generator 18 that outputs, to a bidirectional DC/DC converter 15, an electrical signal having an amplitude indicating the magnitude of a current flowing through the first secondary battery 11 and a frequency indicating the number of charge/discharge switching cycles of the first secondary battery 11. The control device 20 executes warm-up processing for increasing the temperature of the first secondary battery 11, while monitoring the battery voltage.
Absstract of: WO2026183659A1
Provided are an electrolyte and an electrochemical device. The electrolyte comprises fluoroethylene carbonate and at least one of compounds represented by formula I. On the basis of the total mass of the electrolyte, the mass content of the fluoroethylene carbonate is A, and the mass content of the compound represented by formula I is B, 0.01%≤A≤10.0%, and 0.01%≤B≤3.0%. By adjusting the type of the electrolyte, the mass content of the fluoroethylene carbonate, and the mass content of the compound represented by formula I within the above ranges, the components of the electrolyte of an electrochemical device have suitable mass content and, by means of an synergy, form a fluorine- and sulfur-rich interfacial film on the surface of a negative electrode sheet, such that the storage performance and cycle performance of the electrochemical device can be improved.
Absstract of: WO2026186599A1
Provided is an all-solid-state battery electrode that exhibits excellent load characteristics. The all-solid-state battery electrode includes active material particles, conductive auxiliary particles, and a solid electrolyte. The arithmetic mean C1 of the circularity of the active material particles in a cross section including the thickness direction is 0.70 or more. The arithmetic mean C2 of the circularity of the conductive auxiliary particles in the cross section is 0.60 or less. The proportion s of the conductive auxiliary particles in the cross section is 0.3-7.0% in terms of area ratio.
Absstract of: WO2026187060A1
A battery device according to embodiments may include: a plurality of battery cells stacked in a first direction; a busbar unit that electrically connects at least two battery cells among the plurality of battery cells to each other; a resistance sensing unit that senses the magnitude of the electrical resistance between the at least two battery cells and the busbar unit; and a housing for accommodating the plurality of battery cells. The busbar unit may include a first busbar and a second busbar arranged along a second direction intersecting the first direction, and lead tabs of the at least two battery cells may be arranged between the first busbar and the second busbar.
Absstract of: DE102025108511A1
Die Erfindung betrifft eine Batteriezelle (1) für eine Traktionsbatterie eines Kraftfahrzeugs, mit einer in einem Zellgehäuse (2) angeordneten Elektrodenanordnung, umfassend mehrere Elektroden und einen zwischen den Elektroden angeordneten Separator, sowie mit einem in dem Zellgehäuse (2) vorliegenden Elektrolyten. Dabei ist vorgesehen, dass das Zellgehäuse (2) eine die Elektrodenanordnung umgreifende Verbundmaterialschicht (6) aus einem Verbundmaterial und eine auf der der Elektrodenanordnung zugewandten Seite der Verbundmaterialschicht (6) angeordnete, an die Elektrodenanordnung und/oder den Elektrolyten angrenzende Metallschicht aus einem Metall aufweist. Die Erfindung betrifft weiterhin ein Verfahren zum Herstellen einer Batteriezelle (1) für eine Traktionsbatterie eines Kraftfahrzeugs.
Absstract of: WO2026184247A1
The present application relates to the technical field of batteries, and provides a battery apparatus, an electric device, and an energy storage device. The battery apparatus comprises a case assembly, battery cells, a heat exchange assembly, and a functional member; the battery cells are arranged in the case assembly; the heat exchange assembly comprises a heat exchange plate and a connector component; the heat exchange plate is configured to exchange heat with the battery cells, and a flow guide channel is provided inside the heat exchange plate; the connector component is connected to the heat exchange plate, and the connector component is configured to introduce and/or discharge a heat exchange medium to/from the flow guide channel; the functional member is connected to the case assembly; and the connector component is located on the outer side of the case assembly, and the connector component is configured to exchange heat with the functional member. The connector component is located on the outer side of the case assembly, so that the internal space of the case assembly can be saved; moreover, the connector component can supply a liquid to the heat exchange plate and exchange heat with the functional member.
Absstract of: DE102026104084A1
Ein Batteriepack umfasst: ein Batteriegehäuse, in dem ein Batteriemodul mit mehreren Batteriezellen aufgenommen ist und das in ein Fahrzeug eingebaut ist; und ein Plattenelement, das direkt unter dem Batteriegehäuse angeordnet ist und zur Außenseite des Fahrzeugs freiliegt. Ein Querschnitt des Plattenelements in einer Ebene senkrecht zu einer horizontalen Richtung besitzt eine Form mit mehreren Löchern. Die Größe der einzelnen Löcher nimmt von unten nach oben allmählich ab.
Absstract of: WO2026184696A1
A battery and an electric device. The battery comprises a housing, wherein a type-I battery cell is disposed in the housing. The type-I battery cell comprises a first negative electrode sheet, a composite separator and a first positive electrode sheet, wherein the composite separator comprises a base membrane and an electronic insulating frame disposed on at least one side of the base membrane, the composite separator is located between the first negative electrode sheet and the first positive electrode sheet, and the first negative electrode sheet is close to the electronic insulating frame of the composite separator; and the porosity of the electronic insulating frame is 50-90%.
Absstract of: WO2026184607A1
The present application relates to the field of batteries. Disclosed is a battery safety system, comprising: a plurality of battery packs, which are arranged side by side to form a battery module; tabs, which are arranged on two sides of the battery packs; and a safety device, which is arranged between the battery packs and is configured to protect a runaway battery pack when thermal runaway occurs in the battery pack.
Absstract of: DE102026109209A1
Es werden eine Sekundärbatterie-Testvorrichtung und ein Sekundärbatterie-Testverfahren offenbart. Die Sekundärbatterie-Testvorrichtung enthält eine Pressplatte, die auf einer Außenumfangsfläche einer Elektrodenanordnung angeordnet ist, wobei die Pressplatte als eine flexible Platte bereitgestellt ist, die konfiguriert ist, um die Außenumfangsfläche zu umwickeln, und konfiguriert ist, um die Außenumfangsfläche in Richtung der Mittelachse der Elektrodenanordnung in engem Oberflächenkontakt mit der Außenumfangsfläche gemäß einer äußeren Kraft, die in einer Längsrichtung wirkt, zu pressen.
Absstract of: US20260269346A1
An anode for a lithium secondary battery includes a current collector, an anode active material layer disposed on the current collector, and a surface layer disposed on the anode active material layer. The anode can be characterized by using X-ray diffraction (XRD) analysis as having a ratio (I2/I1) of a peak intensity (I2) of a second peak observed at a position having 2θ of 23.5±0.2°, to a peak intensity (I1) of a first peak observed at a position having 2θ of 24±0.2°, of at least 0.21. The anode can be characterized by using X-ray Photoelectron Spectroscopy (XPS) analysis as having a ratio (I4/I3) of a peak intensity (I4) of a fourth peak observed in a section ranging from 684.0 eV to 685.5 eV, to a peak intensity (I3) of a third peak observed in a section ranging from 686.0 eV to 688.0 eV, of no more than 1.5.
Absstract of: WO2026186658A1
The present invention relates to a composition containing: a compound (A) represented by general formula (1); and one or more compounds (B) selected from the group consisting of a salt represented by general formula (2), diisocyanates, alkenes having at least one of an isocyanuric acid skeleton and a cyclic carboxylic acid anhydride skeleton, compounds having a silicon atom, unsaturated sultones, compounds having a plurality of cyclic sulfate ester structures, an alkyne represented by general formula (3), lithium difluorooxalate phosphate, and fluorinated linear carbonates.
Absstract of: WO2026187997A1
An aircraft includes an airframe. The airframe includes a body, a wing extending from a side of the body, a plurality of rotors coupled with the wing, and a tail extending aft the body. The aircraft also includes a structural panel in the airframe and a battery cell holder coupled to the structural panel. The battery cell holder includes a thermally conductive base layer (3'6), an electrically conductive overlying layer (308), a battery layer (310) comprising a battery cell (318), a lower non-conductive layer (312) between the thermally conductive base layer and the battery layer, and an upper non-conductive layer (314) between the battery layer and the electrically conductive overlying layer.
Absstract of: WO2026186980A1
An all-solid-state battery includes a laminate including a negative electrode layer, a solid electrolyte layer, and a negative electrode layer, and an exterior member covering the laminate, wherein the exterior member may include a first resin layer disposed on the laminate, and a first metal layer in contact with the first resin layer.
Absstract of: WO2026187210A1
A battery cell according to the present invention comprises: an electrode assembly wound around a winding axis, with a separator interposed between a first electrode having a first polarity and a second electrode having a second polarity; a cell housing in which the electrode assembly is accommodated, the cell hosing having a closed portion at one end thereof; and a vent notch portion formed by notching the closed portion, wherein the vent notch portion comprises: a first vent notch portion bent toward the winding axis; and a second vent notch portion excluding the first vent notch portion.
Absstract of: WO2026187691A1
A thin wall-mountable battery pack is disclosed. The battery pack includes a first plurality of battery modules, each comprising a double-layered arrangement of battery cells; and a battery management system and accessary module on one side of the first plurality of battery modules, the battery management system and accessary module comprising a battery management system (BMS) configured to control an operation of each of the first plurality of battery modules. The double-layered arrangement of battery cells comprising a first layer of battery cells and a second layer of battery cells. The first layer of battery cells and the second layer of battery cells are in an interleaved arrangement. The first plurality of battery modules are connected in series. All the battery cells in the wall-mountable battery pack have the same orientation along a length of the wall-mountable battery pack. The thickness of the battery pack is about two inches.
Absstract of: WO2026187132A1
The present invention relates to a positive electrode active material, a positive electrode, and a secondary battery, the positive electrode and the secondary battery including the positive electrode active material. The positive electrode active material is composed of single particles containing nickel (Ni) and cobalt (Co). Each of the single particles is formed by the aggregation of 1-20 primary particles. The size of the primary particles is 2-4 µm. The average particle size (D50) of the positive electrode active material is 3.5-7 µm. The positive electrode active material includes a core and a coating layer. The coating layer contains cobalt (Co) and boron (B). The content of cobalt (Co) in the positive electrode active material is 8-15 mol% on the basis of metals other than lithium, and the content of boron (B) is 500-1200 ppm on the basis of the total weight of the positive electrode active material.
Absstract of: DE102025108768A1
Die Erfindung betrifft ein Verfahren zum Herstellen eines Elektrodenschichtkomplexes (1) für eine Batteriezelle einer Fahrzeugbatterie, bei welchem auf eine Trägerfolie (2) in einem Trockenbeschichtungsverfahren wenigstens zwei Schichten (3) in einer Stapelrichtung (4) übereinander aufgetragen werden, wobei die Stapelrichtung (4) senkrecht zu einer Oberfläche der Trägerfolie (2) verläuft, auf welche die Schichten (3) aufgetragen werden, wobei wenigstens eine der Schichten (3) eine Separatorschicht (S) ist und dazu vorgesehen ist, bei bestimmungsgemäßer Verwendung in der Batteriezelle als Separator zu dienen, und zumindest eine unmittelbar an der Trägerfolie (2) anliegend angeordnete, als Aktivschicht (A, K) ausgebildete weitere Schicht (3) dazu vorgesehen ist, bei bestimmungsgemäßer Verwendung in der Batteriezelle als Anode oder als Kathode zu dienen.
Nº publicación: DE102025109073A1 10/09/2026
Applicant:
VOLKSWAGEN AG [DE]
VOLKSWAGEN AKTIENGESELLSCHAFT
Absstract of: DE102025109073A1
Ein Kraftfahrzeug mit einer Karosserie (1), die eine Bodengruppe umfasst, in der eine Traktionsbatterie (4) aufgenommen ist, wobei unterhalb der Traktionsbatterie (4) eine Schutzstruktur (8), die eine Unterseite der Karosserie (1) ausbildet, angeordnet ist, und mit einer Detektionseinrichtung zur Ermittlung einer Krafteinwirkung auf die Traktionsbatterie (4) und/oder die Schutzstruktur (8) ist dadurch gekennzeichnet, dass die Detektionseinrichtung mindestens eine Messvorrichtung (12) umfasst, die ein erstes Kontaktelement (14) und zweites Kontaktelement (15) umfasst, wobei die Kontaktelemente (14, 15) in einem unbelasteten Zustand der Messvorrichtung (12) beabstandet voneinander angeordnet sind und wobei die mindestens eine Messvorrichtung (12) derart mit einer Auswertevorrichtung (13) der Detektionseinrichtung elektrisch verbunden ist, dass durch einen Kontakt der Kontaktelemente (14, 15) ein elektrischer Stromkreis geschlossen ist.
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